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docker/libnetwork
iptables/conntrack.go
DeleteConntrackEntries
func DeleteConntrackEntries(nlh *netlink.Handle, ipv4List []net.IP, ipv6List []net.IP) (uint, uint, error) { if !IsConntrackProgrammable(nlh) { return 0, 0, ErrConntrackNotConfigurable } var totalIPv4FlowPurged uint for _, ipAddress := range ipv4List { flowPurged, err := purgeConntrackState(nlh, syscall.AF_INET, ipAddress) if err != nil { logrus.Warnf("Failed to delete conntrack state for %s: %v", ipAddress, err) continue } totalIPv4FlowPurged += flowPurged } var totalIPv6FlowPurged uint for _, ipAddress := range ipv6List { flowPurged, err := purgeConntrackState(nlh, syscall.AF_INET6, ipAddress) if err != nil { logrus.Warnf("Failed to delete conntrack state for %s: %v", ipAddress, err) continue } totalIPv6FlowPurged += flowPurged } logrus.Debugf("DeleteConntrackEntries purged ipv4:%d, ipv6:%d", totalIPv4FlowPurged, totalIPv6FlowPurged) return totalIPv4FlowPurged, totalIPv6FlowPurged, nil }
go
func DeleteConntrackEntries(nlh *netlink.Handle, ipv4List []net.IP, ipv6List []net.IP) (uint, uint, error) { if !IsConntrackProgrammable(nlh) { return 0, 0, ErrConntrackNotConfigurable } var totalIPv4FlowPurged uint for _, ipAddress := range ipv4List { flowPurged, err := purgeConntrackState(nlh, syscall.AF_INET, ipAddress) if err != nil { logrus.Warnf("Failed to delete conntrack state for %s: %v", ipAddress, err) continue } totalIPv4FlowPurged += flowPurged } var totalIPv6FlowPurged uint for _, ipAddress := range ipv6List { flowPurged, err := purgeConntrackState(nlh, syscall.AF_INET6, ipAddress) if err != nil { logrus.Warnf("Failed to delete conntrack state for %s: %v", ipAddress, err) continue } totalIPv6FlowPurged += flowPurged } logrus.Debugf("DeleteConntrackEntries purged ipv4:%d, ipv6:%d", totalIPv4FlowPurged, totalIPv6FlowPurged) return totalIPv4FlowPurged, totalIPv6FlowPurged, nil }
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// DeleteConntrackEntries deletes all the conntrack connections on the host for the specified IP // Returns the number of flows deleted for IPv4, IPv6 else error
[ "DeleteConntrackEntries", "deletes", "all", "the", "conntrack", "connections", "on", "the", "host", "for", "the", "specified", "IP", "Returns", "the", "number", "of", "flows", "deleted", "for", "IPv4", "IPv6", "else", "error" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/conntrack.go#L24-L51
train
docker/libnetwork
client/service.go
CmdServicePublish
func (cli *NetworkCli) CmdServicePublish(chain string, args ...string) error { cmd := cli.Subcmd(chain, "publish", "SERVICE[.NETWORK]", "Publish a new service on a network", false) flAlias := opts.NewListOpts(netutils.ValidateAlias) cmd.Var(&flAlias, []string{"-alias"}, "Add alias to self") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(0)) sc := serviceCreate{Name: sn, Network: nn, MyAliases: flAlias.GetAll()} obj, _, err := readBody(cli.call("POST", "/services", sc, nil)) if err != nil { return err } var replyID string err = json.Unmarshal(obj, &replyID) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", replyID) return nil }
go
func (cli *NetworkCli) CmdServicePublish(chain string, args ...string) error { cmd := cli.Subcmd(chain, "publish", "SERVICE[.NETWORK]", "Publish a new service on a network", false) flAlias := opts.NewListOpts(netutils.ValidateAlias) cmd.Var(&flAlias, []string{"-alias"}, "Add alias to self") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(0)) sc := serviceCreate{Name: sn, Network: nn, MyAliases: flAlias.GetAll()} obj, _, err := readBody(cli.call("POST", "/services", sc, nil)) if err != nil { return err } var replyID string err = json.Unmarshal(obj, &replyID) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", replyID) return nil }
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// CmdServicePublish handles service create UI
[ "CmdServicePublish", "handles", "service", "create", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/service.go#L165-L190
train
docker/libnetwork
client/service.go
CmdServiceUnpublish
func (cli *NetworkCli) CmdServiceUnpublish(chain string, args ...string) error { cmd := cli.Subcmd(chain, "unpublish", "SERVICE[.NETWORK]", "Removes a service", false) force := cmd.Bool([]string{"f", "-force"}, false, "force unpublish service") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(0)) serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } sd := serviceDelete{Name: sn, Force: *force} _, _, err = readBody(cli.call("DELETE", "/services/"+serviceID, sd, nil)) return err }
go
func (cli *NetworkCli) CmdServiceUnpublish(chain string, args ...string) error { cmd := cli.Subcmd(chain, "unpublish", "SERVICE[.NETWORK]", "Removes a service", false) force := cmd.Bool([]string{"f", "-force"}, false, "force unpublish service") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(0)) serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } sd := serviceDelete{Name: sn, Force: *force} _, _, err = readBody(cli.call("DELETE", "/services/"+serviceID, sd, nil)) return err }
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// CmdServiceUnpublish handles service delete UI
[ "CmdServiceUnpublish", "handles", "service", "delete", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/service.go#L193-L212
train
docker/libnetwork
client/service.go
CmdServiceLs
func (cli *NetworkCli) CmdServiceLs(chain string, args ...string) error { cmd := cli.Subcmd(chain, "ls", "SERVICE", "Lists all the services on a network", false) flNetwork := cmd.String([]string{"net", "-network"}, "", "Only show the services that are published on the specified network") quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs") noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Do not truncate the output") err := cmd.ParseFlags(args, true) if err != nil { return err } var obj []byte if *flNetwork == "" { obj, _, err = readBody(cli.call("GET", "/services", nil, nil)) } else { obj, _, err = readBody(cli.call("GET", "/services?network="+*flNetwork, nil, nil)) } if err != nil { return err } var serviceResources []serviceResource err = json.Unmarshal(obj, &serviceResources) if err != nil { fmt.Println(err) return err } wr := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) // unless quiet (-q) is specified, print field titles if !*quiet { fmt.Fprintln(wr, "SERVICE ID\tNAME\tNETWORK\tCONTAINER\tSANDBOX") } for _, sr := range serviceResources { ID := sr.ID bkID, sbID, err := getBackendID(cli, ID) if err != nil { return err } if !*noTrunc { ID = stringid.TruncateID(ID) bkID = stringid.TruncateID(bkID) sbID = stringid.TruncateID(sbID) } if !*quiet { fmt.Fprintf(wr, "%s\t%s\t%s\t%s\t%s\n", ID, sr.Name, sr.Network, bkID, sbID) } else { fmt.Fprintln(wr, ID) } } wr.Flush() return nil }
go
func (cli *NetworkCli) CmdServiceLs(chain string, args ...string) error { cmd := cli.Subcmd(chain, "ls", "SERVICE", "Lists all the services on a network", false) flNetwork := cmd.String([]string{"net", "-network"}, "", "Only show the services that are published on the specified network") quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs") noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Do not truncate the output") err := cmd.ParseFlags(args, true) if err != nil { return err } var obj []byte if *flNetwork == "" { obj, _, err = readBody(cli.call("GET", "/services", nil, nil)) } else { obj, _, err = readBody(cli.call("GET", "/services?network="+*flNetwork, nil, nil)) } if err != nil { return err } var serviceResources []serviceResource err = json.Unmarshal(obj, &serviceResources) if err != nil { fmt.Println(err) return err } wr := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) // unless quiet (-q) is specified, print field titles if !*quiet { fmt.Fprintln(wr, "SERVICE ID\tNAME\tNETWORK\tCONTAINER\tSANDBOX") } for _, sr := range serviceResources { ID := sr.ID bkID, sbID, err := getBackendID(cli, ID) if err != nil { return err } if !*noTrunc { ID = stringid.TruncateID(ID) bkID = stringid.TruncateID(bkID) sbID = stringid.TruncateID(sbID) } if !*quiet { fmt.Fprintf(wr, "%s\t%s\t%s\t%s\t%s\n", ID, sr.Name, sr.Network, bkID, sbID) } else { fmt.Fprintln(wr, ID) } } wr.Flush() return nil }
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// CmdServiceLs handles service list UI
[ "CmdServiceLs", "handles", "service", "list", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/service.go#L215-L269
train
docker/libnetwork
client/service.go
CmdServiceInfo
func (cli *NetworkCli) CmdServiceInfo(chain string, args ...string) error { cmd := cli.Subcmd(chain, "info", "SERVICE[.NETWORK]", "Displays detailed information about a service", false) cmd.Require(flag.Min, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(0)) serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } obj, _, err := readBody(cli.call("GET", "/services/"+serviceID, nil, nil)) if err != nil { return err } sr := &serviceResource{} if err := json.NewDecoder(bytes.NewReader(obj)).Decode(sr); err != nil { return err } fmt.Fprintf(cli.out, "Service Id: %s\n", sr.ID) fmt.Fprintf(cli.out, "\tName: %s\n", sr.Name) fmt.Fprintf(cli.out, "\tNetwork: %s\n", sr.Network) return nil }
go
func (cli *NetworkCli) CmdServiceInfo(chain string, args ...string) error { cmd := cli.Subcmd(chain, "info", "SERVICE[.NETWORK]", "Displays detailed information about a service", false) cmd.Require(flag.Min, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(0)) serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } obj, _, err := readBody(cli.call("GET", "/services/"+serviceID, nil, nil)) if err != nil { return err } sr := &serviceResource{} if err := json.NewDecoder(bytes.NewReader(obj)).Decode(sr); err != nil { return err } fmt.Fprintf(cli.out, "Service Id: %s\n", sr.ID) fmt.Fprintf(cli.out, "\tName: %s\n", sr.Name) fmt.Fprintf(cli.out, "\tNetwork: %s\n", sr.Network) return nil }
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// CmdServiceInfo handles service info UI
[ "CmdServiceInfo", "handles", "service", "info", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/service.go#L294-L324
train
docker/libnetwork
client/service.go
CmdServiceAttach
func (cli *NetworkCli) CmdServiceAttach(chain string, args ...string) error { cmd := cli.Subcmd(chain, "attach", "CONTAINER SERVICE[.NETWORK]", "Sets a container as a service backend", false) flAlias := opts.NewListOpts(netutils.ValidateAlias) cmd.Var(&flAlias, []string{"-alias"}, "Add alias for another container") cmd.Require(flag.Min, 2) err := cmd.ParseFlags(args, true) if err != nil { return err } containerID, err := lookupContainerID(cli, cmd.Arg(0)) if err != nil { return err } sandboxID, err := lookupSandboxID(cli, containerID) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(1)) serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } nc := serviceAttach{SandboxID: sandboxID, Aliases: flAlias.GetAll()} _, _, err = readBody(cli.call("POST", "/services/"+serviceID+"/backend", nc, nil)) return err }
go
func (cli *NetworkCli) CmdServiceAttach(chain string, args ...string) error { cmd := cli.Subcmd(chain, "attach", "CONTAINER SERVICE[.NETWORK]", "Sets a container as a service backend", false) flAlias := opts.NewListOpts(netutils.ValidateAlias) cmd.Var(&flAlias, []string{"-alias"}, "Add alias for another container") cmd.Require(flag.Min, 2) err := cmd.ParseFlags(args, true) if err != nil { return err } containerID, err := lookupContainerID(cli, cmd.Arg(0)) if err != nil { return err } sandboxID, err := lookupSandboxID(cli, containerID) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(1)) serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } nc := serviceAttach{SandboxID: sandboxID, Aliases: flAlias.GetAll()} _, _, err = readBody(cli.call("POST", "/services/"+serviceID+"/backend", nc, nil)) return err }
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// CmdServiceAttach handles service attach UI
[ "CmdServiceAttach", "handles", "service", "attach", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/service.go#L327-L358
train
docker/libnetwork
client/service.go
CmdServiceDetach
func (cli *NetworkCli) CmdServiceDetach(chain string, args ...string) error { cmd := cli.Subcmd(chain, "detach", "CONTAINER SERVICE", "Removes a container from service backend", false) cmd.Require(flag.Min, 2) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(1)) containerID, err := lookupContainerID(cli, cmd.Arg(0)) if err != nil { return err } sandboxID, err := lookupSandboxID(cli, containerID) if err != nil { return err } serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } _, _, err = readBody(cli.call("DELETE", "/services/"+serviceID+"/backend/"+sandboxID, nil, nil)) if err != nil { return err } return nil }
go
func (cli *NetworkCli) CmdServiceDetach(chain string, args ...string) error { cmd := cli.Subcmd(chain, "detach", "CONTAINER SERVICE", "Removes a container from service backend", false) cmd.Require(flag.Min, 2) err := cmd.ParseFlags(args, true) if err != nil { return err } sn, nn := parseServiceName(cmd.Arg(1)) containerID, err := lookupContainerID(cli, cmd.Arg(0)) if err != nil { return err } sandboxID, err := lookupSandboxID(cli, containerID) if err != nil { return err } serviceID, err := lookupServiceID(cli, nn, sn) if err != nil { return err } _, _, err = readBody(cli.call("DELETE", "/services/"+serviceID+"/backend/"+sandboxID, nil, nil)) if err != nil { return err } return nil }
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// CmdServiceDetach handles service detach UI
[ "CmdServiceDetach", "handles", "service", "detach", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/service.go#L361-L390
train
docker/libnetwork
ipam/store.go
SetValue
func (aSpace *addrSpace) SetValue(value []byte) error { rc := &addrSpace{subnets: make(map[SubnetKey]*PoolData)} if err := json.Unmarshal(value, rc); err != nil { return err } aSpace.subnets = rc.subnets return nil }
go
func (aSpace *addrSpace) SetValue(value []byte) error { rc := &addrSpace{subnets: make(map[SubnetKey]*PoolData)} if err := json.Unmarshal(value, rc); err != nil { return err } aSpace.subnets = rc.subnets return nil }
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// SetValue unmarshalls the data from the KV store.
[ "SetValue", "unmarshalls", "the", "data", "from", "the", "KV", "store", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipam/store.go#L36-L43
train
docker/libnetwork
ipvs/ipvs.go
New
func New(path string) (*Handle, error) { setup() n := netns.None() if path != "" { var err error n, err = netns.GetFromPath(path) if err != nil { return nil, err } } defer n.Close() sock, err := nl.GetNetlinkSocketAt(n, netns.None(), syscall.NETLINK_GENERIC) if err != nil { return nil, err } // Add operation timeout to avoid deadlocks tv := syscall.NsecToTimeval(netlinkSendSocketTimeout.Nanoseconds()) if err := sock.SetSendTimeout(&tv); err != nil { return nil, err } tv = syscall.NsecToTimeval(netlinkRecvSocketsTimeout.Nanoseconds()) if err := sock.SetReceiveTimeout(&tv); err != nil { return nil, err } return &Handle{sock: sock}, nil }
go
func New(path string) (*Handle, error) { setup() n := netns.None() if path != "" { var err error n, err = netns.GetFromPath(path) if err != nil { return nil, err } } defer n.Close() sock, err := nl.GetNetlinkSocketAt(n, netns.None(), syscall.NETLINK_GENERIC) if err != nil { return nil, err } // Add operation timeout to avoid deadlocks tv := syscall.NsecToTimeval(netlinkSendSocketTimeout.Nanoseconds()) if err := sock.SetSendTimeout(&tv); err != nil { return nil, err } tv = syscall.NsecToTimeval(netlinkRecvSocketsTimeout.Nanoseconds()) if err := sock.SetReceiveTimeout(&tv); err != nil { return nil, err } return &Handle{sock: sock}, nil }
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// New provides a new ipvs handle in the namespace pointed to by the // passed path. It will return a valid handle or an error in case an // error occurred while creating the handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L88-L116
train
docker/libnetwork
ipvs/ipvs.go
NewService
func (i *Handle) NewService(s *Service) error { return i.doCmd(s, nil, ipvsCmdNewService) }
go
func (i *Handle) NewService(s *Service) error { return i.doCmd(s, nil, ipvsCmdNewService) }
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// NewService creates a new ipvs service in the passed handle.
[ "NewService", "creates", "a", "new", "ipvs", "service", "in", "the", "passed", "handle", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L127-L129
train
docker/libnetwork
ipvs/ipvs.go
IsServicePresent
func (i *Handle) IsServicePresent(s *Service) bool { return nil == i.doCmd(s, nil, ipvsCmdGetService) }
go
func (i *Handle) IsServicePresent(s *Service) bool { return nil == i.doCmd(s, nil, ipvsCmdGetService) }
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// IsServicePresent queries for the ipvs service in the passed handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L132-L134
train
docker/libnetwork
ipvs/ipvs.go
UpdateService
func (i *Handle) UpdateService(s *Service) error { return i.doCmd(s, nil, ipvsCmdSetService) }
go
func (i *Handle) UpdateService(s *Service) error { return i.doCmd(s, nil, ipvsCmdSetService) }
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// UpdateService updates an already existing service in the passed // handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L138-L140
train
docker/libnetwork
ipvs/ipvs.go
DelService
func (i *Handle) DelService(s *Service) error { return i.doCmd(s, nil, ipvsCmdDelService) }
go
func (i *Handle) DelService(s *Service) error { return i.doCmd(s, nil, ipvsCmdDelService) }
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// DelService deletes an already existing service in the passed // handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L144-L146
train
docker/libnetwork
ipvs/ipvs.go
Flush
func (i *Handle) Flush() error { _, err := i.doCmdWithoutAttr(ipvsCmdFlush) return err }
go
func (i *Handle) Flush() error { _, err := i.doCmdWithoutAttr(ipvsCmdFlush) return err }
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// Flush deletes all existing services in the passed // handle.
[ "Flush", "deletes", "all", "existing", "services", "in", "the", "passed", "handle", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L150-L153
train
docker/libnetwork
ipvs/ipvs.go
NewDestination
func (i *Handle) NewDestination(s *Service, d *Destination) error { return i.doCmd(s, d, ipvsCmdNewDest) }
go
func (i *Handle) NewDestination(s *Service, d *Destination) error { return i.doCmd(s, d, ipvsCmdNewDest) }
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// NewDestination creates a new real server in the passed ipvs // service which should already be existing in the passed handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L157-L159
train
docker/libnetwork
ipvs/ipvs.go
UpdateDestination
func (i *Handle) UpdateDestination(s *Service, d *Destination) error { return i.doCmd(s, d, ipvsCmdSetDest) }
go
func (i *Handle) UpdateDestination(s *Service, d *Destination) error { return i.doCmd(s, d, ipvsCmdSetDest) }
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// UpdateDestination updates an already existing real server in the // passed ipvs service in the passed handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L163-L165
train
docker/libnetwork
ipvs/ipvs.go
DelDestination
func (i *Handle) DelDestination(s *Service, d *Destination) error { return i.doCmd(s, d, ipvsCmdDelDest) }
go
func (i *Handle) DelDestination(s *Service, d *Destination) error { return i.doCmd(s, d, ipvsCmdDelDest) }
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// DelDestination deletes an already existing real server in the // passed ipvs service in the passed handle.
[ "DelDestination", "deletes", "an", "already", "existing", "real", "server", "in", "the", "passed", "ipvs", "service", "in", "the", "passed", "handle", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L169-L171
train
docker/libnetwork
ipvs/ipvs.go
GetDestinations
func (i *Handle) GetDestinations(s *Service) ([]*Destination, error) { return i.doGetDestinationsCmd(s, nil) }
go
func (i *Handle) GetDestinations(s *Service) ([]*Destination, error) { return i.doGetDestinationsCmd(s, nil) }
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// GetDestinations returns an array of Destinations configured for this Service
[ "GetDestinations", "returns", "an", "array", "of", "Destinations", "configured", "for", "this", "Service" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L179-L181
train
docker/libnetwork
ipvs/ipvs.go
GetService
func (i *Handle) GetService(s *Service) (*Service, error) { res, err := i.doGetServicesCmd(s) if err != nil { return nil, err } // We are looking for exactly one service otherwise error out if len(res) != 1 { return nil, fmt.Errorf("Expected only one service obtained=%d", len(res)) } return res[0], nil }
go
func (i *Handle) GetService(s *Service) (*Service, error) { res, err := i.doGetServicesCmd(s) if err != nil { return nil, err } // We are looking for exactly one service otherwise error out if len(res) != 1 { return nil, fmt.Errorf("Expected only one service obtained=%d", len(res)) } return res[0], nil }
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// GetService gets details of a specific IPVS services, useful in updating statisics etc.,
[ "GetService", "gets", "details", "of", "a", "specific", "IPVS", "services", "useful", "in", "updating", "statisics", "etc", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipvs/ipvs.go#L184-L197
train
docker/libnetwork
portmapper/mapper.go
NewWithPortAllocator
func NewWithPortAllocator(allocator *portallocator.PortAllocator, proxyPath string) *PortMapper { return &PortMapper{ currentMappings: make(map[string]*mapping), Allocator: allocator, proxyPath: proxyPath, } }
go
func NewWithPortAllocator(allocator *portallocator.PortAllocator, proxyPath string) *PortMapper { return &PortMapper{ currentMappings: make(map[string]*mapping), Allocator: allocator, proxyPath: proxyPath, } }
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// NewWithPortAllocator returns a new instance of PortMapper which will use the specified PortAllocator
[ "NewWithPortAllocator", "returns", "a", "new", "instance", "of", "PortMapper", "which", "will", "use", "the", "specified", "PortAllocator" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/portmapper/mapper.go#L39-L45
train
docker/libnetwork
portmapper/mapper.go
Map
func (pm *PortMapper) Map(container net.Addr, hostIP net.IP, hostPort int, useProxy bool) (host net.Addr, err error) { return pm.MapRange(container, hostIP, hostPort, hostPort, useProxy) }
go
func (pm *PortMapper) Map(container net.Addr, hostIP net.IP, hostPort int, useProxy bool) (host net.Addr, err error) { return pm.MapRange(container, hostIP, hostPort, hostPort, useProxy) }
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// Map maps the specified container transport address to the host's network address and transport port
[ "Map", "maps", "the", "specified", "container", "transport", "address", "to", "the", "host", "s", "network", "address", "and", "transport", "port" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/portmapper/mapper.go#L48-L50
train
docker/libnetwork
portmapper/mapper.go
Unmap
func (pm *PortMapper) Unmap(host net.Addr) error { pm.lock.Lock() defer pm.lock.Unlock() key := getKey(host) data, exists := pm.currentMappings[key] if !exists { return ErrPortNotMapped } if data.userlandProxy != nil { data.userlandProxy.Stop() } delete(pm.currentMappings, key) containerIP, containerPort := getIPAndPort(data.container) hostIP, hostPort := getIPAndPort(data.host) if err := pm.DeleteForwardingTableEntry(data.proto, hostIP, hostPort, containerIP.String(), containerPort); err != nil { logrus.Errorf("Error on iptables delete: %s", err) } switch a := host.(type) { case *net.TCPAddr: return pm.Allocator.ReleasePort(a.IP, "tcp", a.Port) case *net.UDPAddr: return pm.Allocator.ReleasePort(a.IP, "udp", a.Port) case *sctp.SCTPAddr: if len(a.IP) == 0 { return ErrSCTPAddrNoIP } return pm.Allocator.ReleasePort(a.IP[0], "sctp", a.Port) } return ErrUnknownBackendAddressType }
go
func (pm *PortMapper) Unmap(host net.Addr) error { pm.lock.Lock() defer pm.lock.Unlock() key := getKey(host) data, exists := pm.currentMappings[key] if !exists { return ErrPortNotMapped } if data.userlandProxy != nil { data.userlandProxy.Stop() } delete(pm.currentMappings, key) containerIP, containerPort := getIPAndPort(data.container) hostIP, hostPort := getIPAndPort(data.host) if err := pm.DeleteForwardingTableEntry(data.proto, hostIP, hostPort, containerIP.String(), containerPort); err != nil { logrus.Errorf("Error on iptables delete: %s", err) } switch a := host.(type) { case *net.TCPAddr: return pm.Allocator.ReleasePort(a.IP, "tcp", a.Port) case *net.UDPAddr: return pm.Allocator.ReleasePort(a.IP, "udp", a.Port) case *sctp.SCTPAddr: if len(a.IP) == 0 { return ErrSCTPAddrNoIP } return pm.Allocator.ReleasePort(a.IP[0], "sctp", a.Port) } return ErrUnknownBackendAddressType }
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// Unmap removes stored mapping for the specified host transport address
[ "Unmap", "removes", "stored", "mapping", "for", "the", "specified", "host", "transport", "address" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/portmapper/mapper.go#L185-L219
train
docker/libnetwork
portmapper/mapper.go
ReMapAll
func (pm *PortMapper) ReMapAll() { pm.lock.Lock() defer pm.lock.Unlock() logrus.Debugln("Re-applying all port mappings.") for _, data := range pm.currentMappings { containerIP, containerPort := getIPAndPort(data.container) hostIP, hostPort := getIPAndPort(data.host) if err := pm.AppendForwardingTableEntry(data.proto, hostIP, hostPort, containerIP.String(), containerPort); err != nil { logrus.Errorf("Error on iptables add: %s", err) } } }
go
func (pm *PortMapper) ReMapAll() { pm.lock.Lock() defer pm.lock.Unlock() logrus.Debugln("Re-applying all port mappings.") for _, data := range pm.currentMappings { containerIP, containerPort := getIPAndPort(data.container) hostIP, hostPort := getIPAndPort(data.host) if err := pm.AppendForwardingTableEntry(data.proto, hostIP, hostPort, containerIP.String(), containerPort); err != nil { logrus.Errorf("Error on iptables add: %s", err) } } }
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//ReMapAll will re-apply all port mappings
[ "ReMapAll", "will", "re", "-", "apply", "all", "port", "mappings" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/portmapper/mapper.go#L222-L233
train
docker/libnetwork
datastore/mock_store.go
Get
func (s *MockStore) Get(key string) (*store.KVPair, error) { mData := s.db[key] if mData == nil { return nil, nil } return &store.KVPair{Value: mData.Data, LastIndex: mData.Index}, nil }
go
func (s *MockStore) Get(key string) (*store.KVPair, error) { mData := s.db[key] if mData == nil { return nil, nil } return &store.KVPair{Value: mData.Data, LastIndex: mData.Index}, nil }
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// Get the value at "key", returns the last modified index // to use in conjunction to CAS calls
[ "Get", "the", "value", "at", "key", "returns", "the", "last", "modified", "index", "to", "use", "in", "conjunction", "to", "CAS", "calls" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L34-L41
train
docker/libnetwork
datastore/mock_store.go
Put
func (s *MockStore) Put(key string, value []byte, options *store.WriteOptions) error { mData := s.db[key] if mData == nil { mData = &MockData{value, 0} } mData.Index = mData.Index + 1 s.db[key] = mData return nil }
go
func (s *MockStore) Put(key string, value []byte, options *store.WriteOptions) error { mData := s.db[key] if mData == nil { mData = &MockData{value, 0} } mData.Index = mData.Index + 1 s.db[key] = mData return nil }
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// Put a value at "key"
[ "Put", "a", "value", "at", "key" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L44-L52
train
docker/libnetwork
datastore/mock_store.go
Delete
func (s *MockStore) Delete(key string) error { delete(s.db, key) return nil }
go
func (s *MockStore) Delete(key string) error { delete(s.db, key) return nil }
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// Delete a value at "key"
[ "Delete", "a", "value", "at", "key" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L55-L58
train
docker/libnetwork
datastore/mock_store.go
Exists
func (s *MockStore) Exists(key string) (bool, error) { _, ok := s.db[key] return ok, nil }
go
func (s *MockStore) Exists(key string) (bool, error) { _, ok := s.db[key] return ok, nil }
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// Exists checks that the key exists inside the store
[ "Exists", "checks", "that", "the", "key", "exists", "inside", "the", "store" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L61-L64
train
docker/libnetwork
datastore/mock_store.go
List
func (s *MockStore) List(prefix string) ([]*store.KVPair, error) { return nil, ErrNotImplemented }
go
func (s *MockStore) List(prefix string) ([]*store.KVPair, error) { return nil, ErrNotImplemented }
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// List gets a range of values at "directory"
[ "List", "gets", "a", "range", "of", "values", "at", "directory" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L67-L69
train
docker/libnetwork
datastore/mock_store.go
DeleteTree
func (s *MockStore) DeleteTree(prefix string) error { delete(s.db, prefix) return nil }
go
func (s *MockStore) DeleteTree(prefix string) error { delete(s.db, prefix) return nil }
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// DeleteTree deletes a range of values at "directory"
[ "DeleteTree", "deletes", "a", "range", "of", "values", "at", "directory" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L72-L75
train
docker/libnetwork
datastore/mock_store.go
Watch
func (s *MockStore) Watch(key string, stopCh <-chan struct{}) (<-chan *store.KVPair, error) { return nil, ErrNotImplemented }
go
func (s *MockStore) Watch(key string, stopCh <-chan struct{}) (<-chan *store.KVPair, error) { return nil, ErrNotImplemented }
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// Watch a single key for modifications
[ "Watch", "a", "single", "key", "for", "modifications" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L78-L80
train
docker/libnetwork
datastore/mock_store.go
WatchTree
func (s *MockStore) WatchTree(prefix string, stopCh <-chan struct{}) (<-chan []*store.KVPair, error) { return nil, ErrNotImplemented }
go
func (s *MockStore) WatchTree(prefix string, stopCh <-chan struct{}) (<-chan []*store.KVPair, error) { return nil, ErrNotImplemented }
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// WatchTree triggers a watch on a range of values at "directory"
[ "WatchTree", "triggers", "a", "watch", "on", "a", "range", "of", "values", "at", "directory" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L83-L85
train
docker/libnetwork
datastore/mock_store.go
AtomicPut
func (s *MockStore) AtomicPut(key string, newValue []byte, previous *store.KVPair, options *store.WriteOptions) (bool, *store.KVPair, error) { mData := s.db[key] if previous == nil { if mData != nil { return false, nil, types.BadRequestErrorf("atomic put failed because key exists") } // Else OK. } else { if mData == nil { return false, nil, types.BadRequestErrorf("atomic put failed because key exists") } if mData != nil && mData.Index != previous.LastIndex { return false, nil, types.BadRequestErrorf("atomic put failed due to mismatched Index") } // Else OK. } err := s.Put(key, newValue, nil) if err != nil { return false, nil, err } return true, &store.KVPair{Key: key, Value: newValue, LastIndex: s.db[key].Index}, nil }
go
func (s *MockStore) AtomicPut(key string, newValue []byte, previous *store.KVPair, options *store.WriteOptions) (bool, *store.KVPair, error) { mData := s.db[key] if previous == nil { if mData != nil { return false, nil, types.BadRequestErrorf("atomic put failed because key exists") } // Else OK. } else { if mData == nil { return false, nil, types.BadRequestErrorf("atomic put failed because key exists") } if mData != nil && mData.Index != previous.LastIndex { return false, nil, types.BadRequestErrorf("atomic put failed due to mismatched Index") } // Else OK. } err := s.Put(key, newValue, nil) if err != nil { return false, nil, err } return true, &store.KVPair{Key: key, Value: newValue, LastIndex: s.db[key].Index}, nil }
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// AtomicPut put a value at "key" if the key has not been // modified in the meantime, throws an error if this is the case
[ "AtomicPut", "put", "a", "value", "at", "key", "if", "the", "key", "has", "not", "been", "modified", "in", "the", "meantime", "throws", "an", "error", "if", "this", "is", "the", "case" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L94-L114
train
docker/libnetwork
datastore/mock_store.go
AtomicDelete
func (s *MockStore) AtomicDelete(key string, previous *store.KVPair) (bool, error) { mData := s.db[key] if mData != nil && mData.Index != previous.LastIndex { return false, types.BadRequestErrorf("atomic delete failed due to mismatched Index") } return true, s.Delete(key) }
go
func (s *MockStore) AtomicDelete(key string, previous *store.KVPair) (bool, error) { mData := s.db[key] if mData != nil && mData.Index != previous.LastIndex { return false, types.BadRequestErrorf("atomic delete failed due to mismatched Index") } return true, s.Delete(key) }
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// AtomicDelete deletes a value at "key" if the key has not // been modified in the meantime, throws an error if this is the case
[ "AtomicDelete", "deletes", "a", "value", "at", "key", "if", "the", "key", "has", "not", "been", "modified", "in", "the", "meantime", "throws", "an", "error", "if", "this", "is", "the", "case" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/datastore/mock_store.go#L118-L124
train
docker/libnetwork
resolver.go
NewResolver
func NewResolver(address string, proxyDNS bool, resolverKey string, backend DNSBackend) Resolver { return &resolver{ backend: backend, proxyDNS: proxyDNS, listenAddress: address, resolverKey: resolverKey, err: fmt.Errorf("setup not done yet"), startCh: make(chan struct{}, 1), } }
go
func NewResolver(address string, proxyDNS bool, resolverKey string, backend DNSBackend) Resolver { return &resolver{ backend: backend, proxyDNS: proxyDNS, listenAddress: address, resolverKey: resolverKey, err: fmt.Errorf("setup not done yet"), startCh: make(chan struct{}, 1), } }
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// NewResolver creates a new instance of the Resolver
[ "NewResolver", "creates", "a", "new", "instance", "of", "the", "Resolver" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/resolver.go#L102-L111
train
docker/libnetwork
ipam/utils.go
generateAddress
func generateAddress(ordinal uint64, network *net.IPNet) net.IP { var address [16]byte // Get network portion of IP if getAddressVersion(network.IP) == v4 { copy(address[:], network.IP.To4()) } else { copy(address[:], network.IP) } end := len(network.Mask) addIntToIP(address[:end], ordinal) return net.IP(address[:end]) }
go
func generateAddress(ordinal uint64, network *net.IPNet) net.IP { var address [16]byte // Get network portion of IP if getAddressVersion(network.IP) == v4 { copy(address[:], network.IP.To4()) } else { copy(address[:], network.IP) } end := len(network.Mask) addIntToIP(address[:end], ordinal) return net.IP(address[:end]) }
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// It generates the ip address in the passed subnet specified by // the passed host address ordinal
[ "It", "generates", "the", "ip", "address", "in", "the", "passed", "subnet", "specified", "by", "the", "passed", "host", "address", "ordinal" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipam/utils.go#L41-L55
train
docker/libnetwork
ipam/utils.go
addIntToIP
func addIntToIP(array []byte, ordinal uint64) { for i := len(array) - 1; i >= 0; i-- { array[i] |= (byte)(ordinal & 0xff) ordinal >>= 8 } }
go
func addIntToIP(array []byte, ordinal uint64) { for i := len(array) - 1; i >= 0; i-- { array[i] |= (byte)(ordinal & 0xff) ordinal >>= 8 } }
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// Adds the ordinal IP to the current array // 192.168.0.0 + 53 => 192.168.0.53
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipam/utils.go#L66-L71
train
docker/libnetwork
ipam/utils.go
ipToUint64
func ipToUint64(ip []byte) (value uint64) { cip := types.GetMinimalIP(ip) for i := 0; i < len(cip); i++ { j := len(cip) - 1 - i value += uint64(cip[i]) << uint(j*8) } return value }
go
func ipToUint64(ip []byte) (value uint64) { cip := types.GetMinimalIP(ip) for i := 0; i < len(cip); i++ { j := len(cip) - 1 - i value += uint64(cip[i]) << uint(j*8) } return value }
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// Convert an ordinal to the respective IP address
[ "Convert", "an", "ordinal", "to", "the", "respective", "IP", "address" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipam/utils.go#L74-L81
train
docker/libnetwork
netlabel/labels.go
Key
func Key(label string) (key string) { if kv := strings.SplitN(label, "=", 2); len(kv) > 0 { key = kv[0] } return }
go
func Key(label string) (key string) { if kv := strings.SplitN(label, "=", 2); len(kv) > 0 { key = kv[0] } return }
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// Key extracts the key portion of the label
[ "Key", "extracts", "the", "key", "portion", "of", "the", "label" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/netlabel/labels.go#L105-L110
train
docker/libnetwork
netlabel/labels.go
Value
func Value(label string) (value string) { if kv := strings.SplitN(label, "=", 2); len(kv) > 1 { value = kv[1] } return }
go
func Value(label string) (value string) { if kv := strings.SplitN(label, "=", 2); len(kv) > 1 { value = kv[1] } return }
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// Value extracts the value portion of the label
[ "Value", "extracts", "the", "value", "portion", "of", "the", "label" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/netlabel/labels.go#L113-L118
train
docker/libnetwork
ipams/windowsipam/windowsipam.go
GetInit
func GetInit(ipamName string) func(ic ipamapi.Callback, l, g interface{}) error { return func(ic ipamapi.Callback, l, g interface{}) error { return ic.RegisterIpamDriver(ipamName, &allocator{}) } }
go
func GetInit(ipamName string) func(ic ipamapi.Callback, l, g interface{}) error { return func(ic ipamapi.Callback, l, g interface{}) error { return ic.RegisterIpamDriver(ipamName, &allocator{}) } }
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// GetInit registers the built-in ipam service with libnetwork
[ "GetInit", "registers", "the", "built", "-", "in", "ipam", "service", "with", "libnetwork" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipams/windowsipam/windowsipam.go#L28-L32
train
docker/libnetwork
ipams/windowsipam/windowsipam.go
RequestPool
func (a *allocator) RequestPool(addressSpace, pool, subPool string, options map[string]string, v6 bool) (string, *net.IPNet, map[string]string, error) { logrus.Debugf("RequestPool(%s, %s, %s, %v, %t)", addressSpace, pool, subPool, options, v6) if subPool != "" || v6 { return "", nil, nil, types.InternalErrorf("This request is not supported by null ipam driver") } var ipNet *net.IPNet var err error if pool != "" { _, ipNet, err = net.ParseCIDR(pool) if err != nil { return "", nil, nil, err } } else { ipNet = defaultPool } return ipNet.String(), ipNet, nil, nil }
go
func (a *allocator) RequestPool(addressSpace, pool, subPool string, options map[string]string, v6 bool) (string, *net.IPNet, map[string]string, error) { logrus.Debugf("RequestPool(%s, %s, %s, %v, %t)", addressSpace, pool, subPool, options, v6) if subPool != "" || v6 { return "", nil, nil, types.InternalErrorf("This request is not supported by null ipam driver") } var ipNet *net.IPNet var err error if pool != "" { _, ipNet, err = net.ParseCIDR(pool) if err != nil { return "", nil, nil, err } } else { ipNet = defaultPool } return ipNet.String(), ipNet, nil, nil }
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// RequestPool returns an address pool along with its unique id. This is a null ipam driver. It allocates the // subnet user asked and does not validate anything. Doesn't support subpool allocation
[ "RequestPool", "returns", "an", "address", "pool", "along", "with", "its", "unique", "id", ".", "This", "is", "a", "null", "ipam", "driver", ".", "It", "allocates", "the", "subnet", "user", "asked", "and", "does", "not", "validate", "anything", ".", "Doesn", "t", "support", "subpool", "allocation" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipams/windowsipam/windowsipam.go#L40-L59
train
docker/libnetwork
ipams/windowsipam/windowsipam.go
ReleasePool
func (a *allocator) ReleasePool(poolID string) error { logrus.Debugf("ReleasePool(%s)", poolID) return nil }
go
func (a *allocator) ReleasePool(poolID string) error { logrus.Debugf("ReleasePool(%s)", poolID) return nil }
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// ReleasePool releases the address pool - always succeeds
[ "ReleasePool", "releases", "the", "address", "pool", "-", "always", "succeeds" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipams/windowsipam/windowsipam.go#L62-L65
train
docker/libnetwork
ipams/windowsipam/windowsipam.go
ReleaseAddress
func (a *allocator) ReleaseAddress(poolID string, address net.IP) error { logrus.Debugf("ReleaseAddress(%s, %v)", poolID, address) return nil }
go
func (a *allocator) ReleaseAddress(poolID string, address net.IP) error { logrus.Debugf("ReleaseAddress(%s, %v)", poolID, address) return nil }
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// ReleaseAddress releases the address - always succeeds
[ "ReleaseAddress", "releases", "the", "address", "-", "always", "succeeds" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipams/windowsipam/windowsipam.go#L85-L88
train
docker/libnetwork
ipams/remote/api/api.go
ToCapability
func (capRes GetCapabilityResponse) ToCapability() *ipamapi.Capability { return &ipamapi.Capability{ RequiresMACAddress: capRes.RequiresMACAddress, RequiresRequestReplay: capRes.RequiresRequestReplay, } }
go
func (capRes GetCapabilityResponse) ToCapability() *ipamapi.Capability { return &ipamapi.Capability{ RequiresMACAddress: capRes.RequiresMACAddress, RequiresRequestReplay: capRes.RequiresRequestReplay, } }
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// ToCapability converts the capability response into the internal ipam driver capability structure
[ "ToCapability", "converts", "the", "capability", "response", "into", "the", "internal", "ipam", "driver", "capability", "structure" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/ipams/remote/api/api.go#L30-L35
train
docker/libnetwork
driverapi/driverapi.go
IsValidType
func IsValidType(objType ObjectType) bool { switch objType { case EndpointObject: fallthrough case NetworkObject: fallthrough case OpaqueObject: return true } return false }
go
func IsValidType(objType ObjectType) bool { switch objType { case EndpointObject: fallthrough case NetworkObject: fallthrough case OpaqueObject: return true } return false }
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// IsValidType validates the passed in type against the valid object types
[ "IsValidType", "validates", "the", "passed", "in", "type", "against", "the", "valid", "object", "types" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/driverapi/driverapi.go#L203-L213
train
docker/libnetwork
network.go
Validate
func (c *IpamConf) Validate() error { if c.Gateway != "" && nil == net.ParseIP(c.Gateway) { return types.BadRequestErrorf("invalid gateway address %s in Ipam configuration", c.Gateway) } return nil }
go
func (c *IpamConf) Validate() error { if c.Gateway != "" && nil == net.ParseIP(c.Gateway) { return types.BadRequestErrorf("invalid gateway address %s in Ipam configuration", c.Gateway) } return nil }
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// Validate checks whether the configuration is valid
[ "Validate", "checks", "whether", "the", "configuration", "is", "valid" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L146-L151
train
docker/libnetwork
network.go
MarshalJSON
func (i *IpamInfo) MarshalJSON() ([]byte, error) { m := map[string]interface{}{ "PoolID": i.PoolID, } v, err := json.Marshal(&i.IPAMData) if err != nil { return nil, err } m["IPAMData"] = string(v) if i.Meta != nil { m["Meta"] = i.Meta } return json.Marshal(m) }
go
func (i *IpamInfo) MarshalJSON() ([]byte, error) { m := map[string]interface{}{ "PoolID": i.PoolID, } v, err := json.Marshal(&i.IPAMData) if err != nil { return nil, err } m["IPAMData"] = string(v) if i.Meta != nil { m["Meta"] = i.Meta } return json.Marshal(m) }
[ "func", "(", "i", "*", "IpamInfo", ")", "MarshalJSON", "(", ")", "(", "[", "]", "byte", ",", "error", ")", "{", "m", ":=", "map", "[", "string", "]", "interface", "{", "}", "{", "\"PoolID\"", ":", "i", ".", "PoolID", ",", "}", "\n", "v", ",", "err", ":=", "json", ".", "Marshal", "(", "&", "i", ".", "IPAMData", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "m", "[", "\"IPAMData\"", "]", "=", "string", "(", "v", ")", "\n", "if", "i", ".", "Meta", "!=", "nil", "{", "m", "[", "\"Meta\"", "]", "=", "i", ".", "Meta", "\n", "}", "\n", "return", "json", ".", "Marshal", "(", "m", ")", "\n", "}" ]
// MarshalJSON encodes IpamInfo into json message
[ "MarshalJSON", "encodes", "IpamInfo", "into", "json", "message" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L161-L175
train
docker/libnetwork
network.go
UnmarshalJSON
func (i *IpamInfo) UnmarshalJSON(data []byte) error { var ( m map[string]interface{} err error ) if err = json.Unmarshal(data, &m); err != nil { return err } i.PoolID = m["PoolID"].(string) if v, ok := m["Meta"]; ok { b, _ := json.Marshal(v) if err = json.Unmarshal(b, &i.Meta); err != nil { return err } } if v, ok := m["IPAMData"]; ok { if err = json.Unmarshal([]byte(v.(string)), &i.IPAMData); err != nil { return err } } return nil }
go
func (i *IpamInfo) UnmarshalJSON(data []byte) error { var ( m map[string]interface{} err error ) if err = json.Unmarshal(data, &m); err != nil { return err } i.PoolID = m["PoolID"].(string) if v, ok := m["Meta"]; ok { b, _ := json.Marshal(v) if err = json.Unmarshal(b, &i.Meta); err != nil { return err } } if v, ok := m["IPAMData"]; ok { if err = json.Unmarshal([]byte(v.(string)), &i.IPAMData); err != nil { return err } } return nil }
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// UnmarshalJSON decodes json message into PoolData
[ "UnmarshalJSON", "decodes", "json", "message", "into", "PoolData" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L178-L199
train
docker/libnetwork
network.go
CopyTo
func (c *IpamConf) CopyTo(dstC *IpamConf) error { dstC.PreferredPool = c.PreferredPool dstC.SubPool = c.SubPool dstC.Gateway = c.Gateway if c.AuxAddresses != nil { dstC.AuxAddresses = make(map[string]string, len(c.AuxAddresses)) for k, v := range c.AuxAddresses { dstC.AuxAddresses[k] = v } } return nil }
go
func (c *IpamConf) CopyTo(dstC *IpamConf) error { dstC.PreferredPool = c.PreferredPool dstC.SubPool = c.SubPool dstC.Gateway = c.Gateway if c.AuxAddresses != nil { dstC.AuxAddresses = make(map[string]string, len(c.AuxAddresses)) for k, v := range c.AuxAddresses { dstC.AuxAddresses[k] = v } } return nil }
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// CopyTo deep copies to the destination IpamConfig
[ "CopyTo", "deep", "copies", "to", "the", "destination", "IpamConfig" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L335-L346
train
docker/libnetwork
network.go
CopyTo
func (i *IpamInfo) CopyTo(dstI *IpamInfo) error { dstI.PoolID = i.PoolID if i.Meta != nil { dstI.Meta = make(map[string]string) for k, v := range i.Meta { dstI.Meta[k] = v } } dstI.AddressSpace = i.AddressSpace dstI.Pool = types.GetIPNetCopy(i.Pool) dstI.Gateway = types.GetIPNetCopy(i.Gateway) if i.AuxAddresses != nil { dstI.AuxAddresses = make(map[string]*net.IPNet) for k, v := range i.AuxAddresses { dstI.AuxAddresses[k] = types.GetIPNetCopy(v) } } return nil }
go
func (i *IpamInfo) CopyTo(dstI *IpamInfo) error { dstI.PoolID = i.PoolID if i.Meta != nil { dstI.Meta = make(map[string]string) for k, v := range i.Meta { dstI.Meta[k] = v } } dstI.AddressSpace = i.AddressSpace dstI.Pool = types.GetIPNetCopy(i.Pool) dstI.Gateway = types.GetIPNetCopy(i.Gateway) if i.AuxAddresses != nil { dstI.AuxAddresses = make(map[string]*net.IPNet) for k, v := range i.AuxAddresses { dstI.AuxAddresses[k] = types.GetIPNetCopy(v) } } return nil }
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// CopyTo deep copies to the destination IpamInfo
[ "CopyTo", "deep", "copies", "to", "the", "destination", "IpamInfo" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L349-L370
train
docker/libnetwork
network.go
applyConfigurationTo
func (n *network) applyConfigurationTo(to *network) error { to.enableIPv6 = n.enableIPv6 if len(n.labels) > 0 { to.labels = make(map[string]string, len(n.labels)) for k, v := range n.labels { if _, ok := to.labels[k]; !ok { to.labels[k] = v } } } if len(n.ipamType) != 0 { to.ipamType = n.ipamType } if len(n.ipamOptions) > 0 { to.ipamOptions = make(map[string]string, len(n.ipamOptions)) for k, v := range n.ipamOptions { if _, ok := to.ipamOptions[k]; !ok { to.ipamOptions[k] = v } } } if len(n.ipamV4Config) > 0 { to.ipamV4Config = make([]*IpamConf, 0, len(n.ipamV4Config)) to.ipamV4Config = append(to.ipamV4Config, n.ipamV4Config...) } if len(n.ipamV6Config) > 0 { to.ipamV6Config = make([]*IpamConf, 0, len(n.ipamV6Config)) to.ipamV6Config = append(to.ipamV6Config, n.ipamV6Config...) } if len(n.generic) > 0 { to.generic = options.Generic{} for k, v := range n.generic { to.generic[k] = v } } return nil }
go
func (n *network) applyConfigurationTo(to *network) error { to.enableIPv6 = n.enableIPv6 if len(n.labels) > 0 { to.labels = make(map[string]string, len(n.labels)) for k, v := range n.labels { if _, ok := to.labels[k]; !ok { to.labels[k] = v } } } if len(n.ipamType) != 0 { to.ipamType = n.ipamType } if len(n.ipamOptions) > 0 { to.ipamOptions = make(map[string]string, len(n.ipamOptions)) for k, v := range n.ipamOptions { if _, ok := to.ipamOptions[k]; !ok { to.ipamOptions[k] = v } } } if len(n.ipamV4Config) > 0 { to.ipamV4Config = make([]*IpamConf, 0, len(n.ipamV4Config)) to.ipamV4Config = append(to.ipamV4Config, n.ipamV4Config...) } if len(n.ipamV6Config) > 0 { to.ipamV6Config = make([]*IpamConf, 0, len(n.ipamV6Config)) to.ipamV6Config = append(to.ipamV6Config, n.ipamV6Config...) } if len(n.generic) > 0 { to.generic = options.Generic{} for k, v := range n.generic { to.generic[k] = v } } return nil }
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// Applies network specific configurations
[ "Applies", "network", "specific", "configurations" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L420-L456
train
docker/libnetwork
network.go
NetworkOptionGeneric
func NetworkOptionGeneric(generic map[string]interface{}) NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } if val, ok := generic[netlabel.EnableIPv6]; ok { n.enableIPv6 = val.(bool) } if val, ok := generic[netlabel.Internal]; ok { n.internal = val.(bool) } for k, v := range generic { n.generic[k] = v } } }
go
func NetworkOptionGeneric(generic map[string]interface{}) NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } if val, ok := generic[netlabel.EnableIPv6]; ok { n.enableIPv6 = val.(bool) } if val, ok := generic[netlabel.Internal]; ok { n.internal = val.(bool) } for k, v := range generic { n.generic[k] = v } } }
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// NetworkOptionGeneric function returns an option setter for a Generic option defined // in a Dictionary of Key-Value pair
[ "NetworkOptionGeneric", "function", "returns", "an", "option", "setter", "for", "a", "Generic", "option", "defined", "in", "a", "Dictionary", "of", "Key", "-", "Value", "pair" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L733-L748
train
docker/libnetwork
network.go
NetworkOptionEnableIPv6
func NetworkOptionEnableIPv6(enableIPv6 bool) NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } n.enableIPv6 = enableIPv6 n.generic[netlabel.EnableIPv6] = enableIPv6 } }
go
func NetworkOptionEnableIPv6(enableIPv6 bool) NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } n.enableIPv6 = enableIPv6 n.generic[netlabel.EnableIPv6] = enableIPv6 } }
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// NetworkOptionEnableIPv6 returns an option setter to explicitly configure IPv6
[ "NetworkOptionEnableIPv6", "returns", "an", "option", "setter", "to", "explicitly", "configure", "IPv6" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L766-L774
train
docker/libnetwork
network.go
NetworkOptionInternalNetwork
func NetworkOptionInternalNetwork() NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } n.internal = true n.generic[netlabel.Internal] = true } }
go
func NetworkOptionInternalNetwork() NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } n.internal = true n.generic[netlabel.Internal] = true } }
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// NetworkOptionInternalNetwork returns an option setter to config the network // to be internal which disables default gateway service
[ "NetworkOptionInternalNetwork", "returns", "an", "option", "setter", "to", "config", "the", "network", "to", "be", "internal", "which", "disables", "default", "gateway", "service" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L778-L786
train
docker/libnetwork
network.go
NetworkOptionIpam
func NetworkOptionIpam(ipamDriver string, addrSpace string, ipV4 []*IpamConf, ipV6 []*IpamConf, opts map[string]string) NetworkOption { return func(n *network) { if ipamDriver != "" { n.ipamType = ipamDriver if ipamDriver == ipamapi.DefaultIPAM { n.ipamType = defaultIpamForNetworkType(n.Type()) } } n.ipamOptions = opts n.addrSpace = addrSpace n.ipamV4Config = ipV4 n.ipamV6Config = ipV6 } }
go
func NetworkOptionIpam(ipamDriver string, addrSpace string, ipV4 []*IpamConf, ipV6 []*IpamConf, opts map[string]string) NetworkOption { return func(n *network) { if ipamDriver != "" { n.ipamType = ipamDriver if ipamDriver == ipamapi.DefaultIPAM { n.ipamType = defaultIpamForNetworkType(n.Type()) } } n.ipamOptions = opts n.addrSpace = addrSpace n.ipamV4Config = ipV4 n.ipamV6Config = ipV6 } }
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// NetworkOptionIpam function returns an option setter for the ipam configuration for this network
[ "NetworkOptionIpam", "function", "returns", "an", "option", "setter", "for", "the", "ipam", "configuration", "for", "this", "network" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L804-L817
train
docker/libnetwork
network.go
NetworkOptionLBEndpoint
func NetworkOptionLBEndpoint(ip net.IP) NetworkOption { return func(n *network) { n.loadBalancerIP = ip } }
go
func NetworkOptionLBEndpoint(ip net.IP) NetworkOption { return func(n *network) { n.loadBalancerIP = ip } }
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// NetworkOptionLBEndpoint function returns an option setter for the configuration of the load balancer endpoint for this network
[ "NetworkOptionLBEndpoint", "function", "returns", "an", "option", "setter", "for", "the", "configuration", "of", "the", "load", "balancer", "endpoint", "for", "this", "network" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L820-L824
train
docker/libnetwork
network.go
NetworkOptionDriverOpts
func NetworkOptionDriverOpts(opts map[string]string) NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } if opts == nil { opts = make(map[string]string) } // Store the options n.generic[netlabel.GenericData] = opts } }
go
func NetworkOptionDriverOpts(opts map[string]string) NetworkOption { return func(n *network) { if n.generic == nil { n.generic = make(map[string]interface{}) } if opts == nil { opts = make(map[string]string) } // Store the options n.generic[netlabel.GenericData] = opts } }
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// NetworkOptionDriverOpts function returns an option setter for any driver parameter described by a map
[ "NetworkOptionDriverOpts", "function", "returns", "an", "option", "setter", "for", "any", "driver", "parameter", "described", "by", "a", "map" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L827-L838
train
docker/libnetwork
network.go
NetworkOptionLabels
func NetworkOptionLabels(labels map[string]string) NetworkOption { return func(n *network) { n.labels = labels } }
go
func NetworkOptionLabels(labels map[string]string) NetworkOption { return func(n *network) { n.labels = labels } }
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// NetworkOptionLabels function returns an option setter for labels specific to a network
[ "NetworkOptionLabels", "function", "returns", "an", "option", "setter", "for", "labels", "specific", "to", "a", "network" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L841-L845
train
docker/libnetwork
network.go
getConfigNetwork
func (c *controller) getConfigNetwork(name string) (*network, error) { var n Network s := func(current Network) bool { if current.Info().ConfigOnly() && current.Name() == name { n = current return true } return false } c.WalkNetworks(s) if n == nil { return nil, types.NotFoundErrorf("configuration network %q not found", name) } return n.(*network), nil }
go
func (c *controller) getConfigNetwork(name string) (*network, error) { var n Network s := func(current Network) bool { if current.Info().ConfigOnly() && current.Name() == name { n = current return true } return false } c.WalkNetworks(s) if n == nil { return nil, types.NotFoundErrorf("configuration network %q not found", name) } return n.(*network), nil }
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// config-only network is looked up by name
[ "config", "-", "only", "network", "is", "looked", "up", "by", "name" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/network.go#L2105-L2123
train
docker/libnetwork
iptables/iptables.go
NewChain
func NewChain(name string, table Table, hairpinMode bool) (*ChainInfo, error) { c := &ChainInfo{ Name: name, Table: table, HairpinMode: hairpinMode, } if string(c.Table) == "" { c.Table = Filter } // Add chain if it doesn't exist if _, err := Raw("-t", string(c.Table), "-n", "-L", c.Name); err != nil { if output, err := Raw("-t", string(c.Table), "-N", c.Name); err != nil { return nil, err } else if len(output) != 0 { return nil, fmt.Errorf("Could not create %s/%s chain: %s", c.Table, c.Name, output) } } return c, nil }
go
func NewChain(name string, table Table, hairpinMode bool) (*ChainInfo, error) { c := &ChainInfo{ Name: name, Table: table, HairpinMode: hairpinMode, } if string(c.Table) == "" { c.Table = Filter } // Add chain if it doesn't exist if _, err := Raw("-t", string(c.Table), "-n", "-L", c.Name); err != nil { if output, err := Raw("-t", string(c.Table), "-N", c.Name); err != nil { return nil, err } else if len(output) != 0 { return nil, fmt.Errorf("Could not create %s/%s chain: %s", c.Table, c.Name, output) } } return c, nil }
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// NewChain adds a new chain to ip table.
[ "NewChain", "adds", "a", "new", "chain", "to", "ip", "table", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L120-L139
train
docker/libnetwork
iptables/iptables.go
RemoveExistingChain
func RemoveExistingChain(name string, table Table) error { c := &ChainInfo{ Name: name, Table: table, } if string(c.Table) == "" { c.Table = Filter } return c.Remove() }
go
func RemoveExistingChain(name string, table Table) error { c := &ChainInfo{ Name: name, Table: table, } if string(c.Table) == "" { c.Table = Filter } return c.Remove() }
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// RemoveExistingChain removes existing chain from the table.
[ "RemoveExistingChain", "removes", "existing", "chain", "from", "the", "table", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L227-L236
train
docker/libnetwork
iptables/iptables.go
Forward
func (c *ChainInfo) Forward(action Action, ip net.IP, port int, proto, destAddr string, destPort int, bridgeName string) error { daddr := ip.String() if ip.IsUnspecified() { // iptables interprets "0.0.0.0" as "0.0.0.0/32", whereas we // want "0.0.0.0/0". "0/0" is correctly interpreted as "any // value" by both iptables and ip6tables. daddr = "0/0" } args := []string{ "-p", proto, "-d", daddr, "--dport", strconv.Itoa(port), "-j", "DNAT", "--to-destination", net.JoinHostPort(destAddr, strconv.Itoa(destPort))} if !c.HairpinMode { args = append(args, "!", "-i", bridgeName) } if err := ProgramRule(Nat, c.Name, action, args); err != nil { return err } args = []string{ "!", "-i", bridgeName, "-o", bridgeName, "-p", proto, "-d", destAddr, "--dport", strconv.Itoa(destPort), "-j", "ACCEPT", } if err := ProgramRule(Filter, c.Name, action, args); err != nil { return err } args = []string{ "-p", proto, "-s", destAddr, "-d", destAddr, "--dport", strconv.Itoa(destPort), "-j", "MASQUERADE", } if err := ProgramRule(Nat, "POSTROUTING", action, args); err != nil { return err } if proto == "sctp" { // Linux kernel v4.9 and below enables NETIF_F_SCTP_CRC for veth by // the following commit. // This introduces a problem when conbined with a physical NIC without // NETIF_F_SCTP_CRC. As for a workaround, here we add an iptables entry // to fill the checksum. // // https://github.com/torvalds/linux/commit/c80fafbbb59ef9924962f83aac85531039395b18 args = []string{ "-p", proto, "--sport", strconv.Itoa(destPort), "-j", "CHECKSUM", "--checksum-fill", } if err := ProgramRule(Mangle, "POSTROUTING", action, args); err != nil { return err } } return nil }
go
func (c *ChainInfo) Forward(action Action, ip net.IP, port int, proto, destAddr string, destPort int, bridgeName string) error { daddr := ip.String() if ip.IsUnspecified() { // iptables interprets "0.0.0.0" as "0.0.0.0/32", whereas we // want "0.0.0.0/0". "0/0" is correctly interpreted as "any // value" by both iptables and ip6tables. daddr = "0/0" } args := []string{ "-p", proto, "-d", daddr, "--dport", strconv.Itoa(port), "-j", "DNAT", "--to-destination", net.JoinHostPort(destAddr, strconv.Itoa(destPort))} if !c.HairpinMode { args = append(args, "!", "-i", bridgeName) } if err := ProgramRule(Nat, c.Name, action, args); err != nil { return err } args = []string{ "!", "-i", bridgeName, "-o", bridgeName, "-p", proto, "-d", destAddr, "--dport", strconv.Itoa(destPort), "-j", "ACCEPT", } if err := ProgramRule(Filter, c.Name, action, args); err != nil { return err } args = []string{ "-p", proto, "-s", destAddr, "-d", destAddr, "--dport", strconv.Itoa(destPort), "-j", "MASQUERADE", } if err := ProgramRule(Nat, "POSTROUTING", action, args); err != nil { return err } if proto == "sctp" { // Linux kernel v4.9 and below enables NETIF_F_SCTP_CRC for veth by // the following commit. // This introduces a problem when conbined with a physical NIC without // NETIF_F_SCTP_CRC. As for a workaround, here we add an iptables entry // to fill the checksum. // // https://github.com/torvalds/linux/commit/c80fafbbb59ef9924962f83aac85531039395b18 args = []string{ "-p", proto, "--sport", strconv.Itoa(destPort), "-j", "CHECKSUM", "--checksum-fill", } if err := ProgramRule(Mangle, "POSTROUTING", action, args); err != nil { return err } } return nil }
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// Forward adds forwarding rule to 'filter' table and corresponding nat rule to 'nat' table.
[ "Forward", "adds", "forwarding", "rule", "to", "filter", "table", "and", "corresponding", "nat", "rule", "to", "nat", "table", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L239-L305
train
docker/libnetwork
iptables/iptables.go
Link
func (c *ChainInfo) Link(action Action, ip1, ip2 net.IP, port int, proto string, bridgeName string) error { // forward args := []string{ "-i", bridgeName, "-o", bridgeName, "-p", proto, "-s", ip1.String(), "-d", ip2.String(), "--dport", strconv.Itoa(port), "-j", "ACCEPT", } if err := ProgramRule(Filter, c.Name, action, args); err != nil { return err } // reverse args[7], args[9] = args[9], args[7] args[10] = "--sport" return ProgramRule(Filter, c.Name, action, args) }
go
func (c *ChainInfo) Link(action Action, ip1, ip2 net.IP, port int, proto string, bridgeName string) error { // forward args := []string{ "-i", bridgeName, "-o", bridgeName, "-p", proto, "-s", ip1.String(), "-d", ip2.String(), "--dport", strconv.Itoa(port), "-j", "ACCEPT", } if err := ProgramRule(Filter, c.Name, action, args); err != nil { return err } // reverse args[7], args[9] = args[9], args[7] args[10] = "--sport" return ProgramRule(Filter, c.Name, action, args) }
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// Link adds reciprocal ACCEPT rule for two supplied IP addresses. // Traffic is allowed from ip1 to ip2 and vice-versa
[ "Link", "adds", "reciprocal", "ACCEPT", "rule", "for", "two", "supplied", "IP", "addresses", ".", "Traffic", "is", "allowed", "from", "ip1", "to", "ip2", "and", "vice", "-", "versa" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L309-L326
train
docker/libnetwork
iptables/iptables.go
ProgramRule
func ProgramRule(table Table, chain string, action Action, args []string) error { if Exists(table, chain, args...) != (action == Delete) { return nil } return RawCombinedOutput(append([]string{"-t", string(table), string(action), chain}, args...)...) }
go
func ProgramRule(table Table, chain string, action Action, args []string) error { if Exists(table, chain, args...) != (action == Delete) { return nil } return RawCombinedOutput(append([]string{"-t", string(table), string(action), chain}, args...)...) }
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// ProgramRule adds the rule specified by args only if the // rule is not already present in the chain. Reciprocally, // it removes the rule only if present.
[ "ProgramRule", "adds", "the", "rule", "specified", "by", "args", "only", "if", "the", "rule", "is", "not", "already", "present", "in", "the", "chain", ".", "Reciprocally", "it", "removes", "the", "rule", "only", "if", "present", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L331-L336
train
docker/libnetwork
iptables/iptables.go
Remove
func (c *ChainInfo) Remove() error { // Ignore errors - This could mean the chains were never set up if c.Table == Nat { c.Prerouting(Delete, "-m", "addrtype", "--dst-type", "LOCAL", "-j", c.Name) c.Output(Delete, "-m", "addrtype", "--dst-type", "LOCAL", "!", "--dst", "127.0.0.0/8", "-j", c.Name) c.Output(Delete, "-m", "addrtype", "--dst-type", "LOCAL", "-j", c.Name) // Created in versions <= 0.1.6 c.Prerouting(Delete) c.Output(Delete) } Raw("-t", string(c.Table), "-F", c.Name) Raw("-t", string(c.Table), "-X", c.Name) return nil }
go
func (c *ChainInfo) Remove() error { // Ignore errors - This could mean the chains were never set up if c.Table == Nat { c.Prerouting(Delete, "-m", "addrtype", "--dst-type", "LOCAL", "-j", c.Name) c.Output(Delete, "-m", "addrtype", "--dst-type", "LOCAL", "!", "--dst", "127.0.0.0/8", "-j", c.Name) c.Output(Delete, "-m", "addrtype", "--dst-type", "LOCAL", "-j", c.Name) // Created in versions <= 0.1.6 c.Prerouting(Delete) c.Output(Delete) } Raw("-t", string(c.Table), "-F", c.Name) Raw("-t", string(c.Table), "-X", c.Name) return nil }
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// Remove removes the chain.
[ "Remove", "removes", "the", "chain", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L367-L380
train
docker/libnetwork
iptables/iptables.go
Exists
func Exists(table Table, chain string, rule ...string) bool { return exists(false, table, chain, rule...) }
go
func Exists(table Table, chain string, rule ...string) bool { return exists(false, table, chain, rule...) }
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// Exists checks if a rule exists
[ "Exists", "checks", "if", "a", "rule", "exists" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L383-L385
train
docker/libnetwork
iptables/iptables.go
ExistsNative
func ExistsNative(table Table, chain string, rule ...string) bool { return exists(true, table, chain, rule...) }
go
func ExistsNative(table Table, chain string, rule ...string) bool { return exists(true, table, chain, rule...) }
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// ExistsNative behaves as Exists with the difference it // will always invoke `iptables` binary.
[ "ExistsNative", "behaves", "as", "Exists", "with", "the", "difference", "it", "will", "always", "invoke", "iptables", "binary", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L389-L391
train
docker/libnetwork
iptables/iptables.go
Raw
func Raw(args ...string) ([]byte, error) { if firewalldRunning { startTime := time.Now() output, err := Passthrough(Iptables, args...) if err == nil || !strings.Contains(err.Error(), "was not provided by any .service files") { return filterOutput(startTime, output, args...), err } } return raw(args...) }
go
func Raw(args ...string) ([]byte, error) { if firewalldRunning { startTime := time.Now() output, err := Passthrough(Iptables, args...) if err == nil || !strings.Contains(err.Error(), "was not provided by any .service files") { return filterOutput(startTime, output, args...), err } } return raw(args...) }
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// Raw calls 'iptables' system command, passing supplied arguments.
[ "Raw", "calls", "iptables", "system", "command", "passing", "supplied", "arguments", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L447-L456
train
docker/libnetwork
iptables/iptables.go
RawCombinedOutput
func RawCombinedOutput(args ...string) error { if output, err := Raw(args...); err != nil || len(output) != 0 { return fmt.Errorf("%s (%v)", string(output), err) } return nil }
go
func RawCombinedOutput(args ...string) error { if output, err := Raw(args...); err != nil || len(output) != 0 { return fmt.Errorf("%s (%v)", string(output), err) } return nil }
[ "func", "RawCombinedOutput", "(", "args", "...", "string", ")", "error", "{", "if", "output", ",", "err", ":=", "Raw", "(", "args", "...", ")", ";", "err", "!=", "nil", "||", "len", "(", "output", ")", "!=", "0", "{", "return", "fmt", ".", "Errorf", "(", "\"%s (%v)\"", ",", "string", "(", "output", ")", ",", "err", ")", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// RawCombinedOutput internally calls the Raw function and returns a non nil // error if Raw returned a non nil error or a non empty output
[ "RawCombinedOutput", "internally", "calls", "the", "Raw", "function", "and", "returns", "a", "non", "nil", "error", "if", "Raw", "returned", "a", "non", "nil", "error", "or", "a", "non", "empty", "output" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L482-L487
train
docker/libnetwork
iptables/iptables.go
RawCombinedOutputNative
func RawCombinedOutputNative(args ...string) error { if output, err := raw(args...); err != nil || len(output) != 0 { return fmt.Errorf("%s (%v)", string(output), err) } return nil }
go
func RawCombinedOutputNative(args ...string) error { if output, err := raw(args...); err != nil || len(output) != 0 { return fmt.Errorf("%s (%v)", string(output), err) } return nil }
[ "func", "RawCombinedOutputNative", "(", "args", "...", "string", ")", "error", "{", "if", "output", ",", "err", ":=", "raw", "(", "args", "...", ")", ";", "err", "!=", "nil", "||", "len", "(", "output", ")", "!=", "0", "{", "return", "fmt", ".", "Errorf", "(", "\"%s (%v)\"", ",", "string", "(", "output", ")", ",", "err", ")", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// RawCombinedOutputNative behave as RawCombinedOutput with the difference it // will always invoke `iptables` binary
[ "RawCombinedOutputNative", "behave", "as", "RawCombinedOutput", "with", "the", "difference", "it", "will", "always", "invoke", "iptables", "binary" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L491-L496
train
docker/libnetwork
iptables/iptables.go
ExistChain
func ExistChain(chain string, table Table) bool { if _, err := Raw("-t", string(table), "-nL", chain); err == nil { return true } return false }
go
func ExistChain(chain string, table Table) bool { if _, err := Raw("-t", string(table), "-nL", chain); err == nil { return true } return false }
[ "func", "ExistChain", "(", "chain", "string", ",", "table", "Table", ")", "bool", "{", "if", "_", ",", "err", ":=", "Raw", "(", "\"-t\"", ",", "string", "(", "table", ")", ",", "\"-nL\"", ",", "chain", ")", ";", "err", "==", "nil", "{", "return", "true", "\n", "}", "\n", "return", "false", "\n", "}" ]
// ExistChain checks if a chain exists
[ "ExistChain", "checks", "if", "a", "chain", "exists" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L499-L504
train
docker/libnetwork
iptables/iptables.go
GetVersion
func GetVersion() (major, minor, micro int, err error) { out, err := exec.Command(iptablesPath, "--version").CombinedOutput() if err == nil { major, minor, micro = parseVersionNumbers(string(out)) } return }
go
func GetVersion() (major, minor, micro int, err error) { out, err := exec.Command(iptablesPath, "--version").CombinedOutput() if err == nil { major, minor, micro = parseVersionNumbers(string(out)) } return }
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// GetVersion reads the iptables version numbers during initialization
[ "GetVersion", "reads", "the", "iptables", "version", "numbers", "during", "initialization" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L507-L513
train
docker/libnetwork
iptables/iptables.go
AddReturnRule
func AddReturnRule(chain string) error { var ( table = Filter args = []string{"-j", "RETURN"} ) if Exists(table, chain, args...) { return nil } err := RawCombinedOutput(append([]string{"-A", chain}, args...)...) if err != nil { return fmt.Errorf("unable to add return rule in %s chain: %s", chain, err.Error()) } return nil }
go
func AddReturnRule(chain string) error { var ( table = Filter args = []string{"-j", "RETURN"} ) if Exists(table, chain, args...) { return nil } err := RawCombinedOutput(append([]string{"-A", chain}, args...)...) if err != nil { return fmt.Errorf("unable to add return rule in %s chain: %s", chain, err.Error()) } return nil }
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// AddReturnRule adds a return rule for the chain in the filter table
[ "AddReturnRule", "adds", "a", "return", "rule", "for", "the", "chain", "in", "the", "filter", "table" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L537-L553
train
docker/libnetwork
iptables/iptables.go
EnsureJumpRule
func EnsureJumpRule(fromChain, toChain string) error { var ( table = Filter args = []string{"-j", toChain} ) if Exists(table, fromChain, args...) { err := RawCombinedOutput(append([]string{"-D", fromChain}, args...)...) if err != nil { return fmt.Errorf("unable to remove jump to %s rule in %s chain: %s", toChain, fromChain, err.Error()) } } err := RawCombinedOutput(append([]string{"-I", fromChain}, args...)...) if err != nil { return fmt.Errorf("unable to insert jump to %s rule in %s chain: %s", toChain, fromChain, err.Error()) } return nil }
go
func EnsureJumpRule(fromChain, toChain string) error { var ( table = Filter args = []string{"-j", toChain} ) if Exists(table, fromChain, args...) { err := RawCombinedOutput(append([]string{"-D", fromChain}, args...)...) if err != nil { return fmt.Errorf("unable to remove jump to %s rule in %s chain: %s", toChain, fromChain, err.Error()) } } err := RawCombinedOutput(append([]string{"-I", fromChain}, args...)...) if err != nil { return fmt.Errorf("unable to insert jump to %s rule in %s chain: %s", toChain, fromChain, err.Error()) } return nil }
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// EnsureJumpRule ensures the jump rule is on top
[ "EnsureJumpRule", "ensures", "the", "jump", "rule", "is", "on", "top" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/iptables/iptables.go#L556-L575
train
docker/libnetwork
client/network.go
CmdNetwork
func (cli *NetworkCli) CmdNetwork(chain string, args ...string) error { cmd := cli.Subcmd(chain, "network", "COMMAND [OPTIONS] [arg...]", networkUsage(chain), false) cmd.Require(flag.Min, 1) err := cmd.ParseFlags(args, true) if err == nil { cmd.Usage() return fmt.Errorf("invalid command : %v", args) } return err }
go
func (cli *NetworkCli) CmdNetwork(chain string, args ...string) error { cmd := cli.Subcmd(chain, "network", "COMMAND [OPTIONS] [arg...]", networkUsage(chain), false) cmd.Require(flag.Min, 1) err := cmd.ParseFlags(args, true) if err == nil { cmd.Usage() return fmt.Errorf("invalid command : %v", args) } return err }
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// CmdNetwork handles the root Network UI
[ "CmdNetwork", "handles", "the", "root", "Network", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/network.go#L31-L40
train
docker/libnetwork
client/network.go
CmdNetworkCreate
func (cli *NetworkCli) CmdNetworkCreate(chain string, args ...string) error { cmd := cli.Subcmd(chain, "create", "NETWORK-NAME", "Creates a new network with a name specified by the user", false) flDriver := cmd.String([]string{"d", "-driver"}, "", "Driver to manage the Network") flID := cmd.String([]string{"-id"}, "", "Network ID string") flOpts := cmd.String([]string{"o", "-opt"}, "", "Network options") flInternal := cmd.Bool([]string{"-internal"}, false, "Config the network to be internal") flIPv6 := cmd.Bool([]string{"-ipv6"}, false, "Enable IPv6 on the network") flSubnet := cmd.String([]string{"-subnet"}, "", "Subnet option") flRange := cmd.String([]string{"-ip-range"}, "", "Range option") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } networkOpts := make(map[string]string) if *flInternal { networkOpts[netlabel.Internal] = "true" } if *flIPv6 { networkOpts[netlabel.EnableIPv6] = "true" } driverOpts := make(map[string]string) if *flOpts != "" { opts := strings.Split(*flOpts, ",") for _, opt := range opts { driverOpts[netlabel.Key(opt)] = netlabel.Value(opt) } } var icList []ipamConf if *flSubnet != "" { ic := ipamConf{ PreferredPool: *flSubnet, } if *flRange != "" { ic.SubPool = *flRange } icList = append(icList, ic) } // Construct network create request body nc := networkCreate{Name: cmd.Arg(0), NetworkType: *flDriver, ID: *flID, IPv4Conf: icList, DriverOpts: driverOpts, NetworkOpts: networkOpts} obj, _, err := readBody(cli.call("POST", "/networks", nc, nil)) if err != nil { return err } var replyID string err = json.Unmarshal(obj, &replyID) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", replyID) return nil }
go
func (cli *NetworkCli) CmdNetworkCreate(chain string, args ...string) error { cmd := cli.Subcmd(chain, "create", "NETWORK-NAME", "Creates a new network with a name specified by the user", false) flDriver := cmd.String([]string{"d", "-driver"}, "", "Driver to manage the Network") flID := cmd.String([]string{"-id"}, "", "Network ID string") flOpts := cmd.String([]string{"o", "-opt"}, "", "Network options") flInternal := cmd.Bool([]string{"-internal"}, false, "Config the network to be internal") flIPv6 := cmd.Bool([]string{"-ipv6"}, false, "Enable IPv6 on the network") flSubnet := cmd.String([]string{"-subnet"}, "", "Subnet option") flRange := cmd.String([]string{"-ip-range"}, "", "Range option") cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } networkOpts := make(map[string]string) if *flInternal { networkOpts[netlabel.Internal] = "true" } if *flIPv6 { networkOpts[netlabel.EnableIPv6] = "true" } driverOpts := make(map[string]string) if *flOpts != "" { opts := strings.Split(*flOpts, ",") for _, opt := range opts { driverOpts[netlabel.Key(opt)] = netlabel.Value(opt) } } var icList []ipamConf if *flSubnet != "" { ic := ipamConf{ PreferredPool: *flSubnet, } if *flRange != "" { ic.SubPool = *flRange } icList = append(icList, ic) } // Construct network create request body nc := networkCreate{Name: cmd.Arg(0), NetworkType: *flDriver, ID: *flID, IPv4Conf: icList, DriverOpts: driverOpts, NetworkOpts: networkOpts} obj, _, err := readBody(cli.call("POST", "/networks", nc, nil)) if err != nil { return err } var replyID string err = json.Unmarshal(obj, &replyID) if err != nil { return err } fmt.Fprintf(cli.out, "%s\n", replyID) return nil }
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// CmdNetworkCreate handles Network Create UI
[ "CmdNetworkCreate", "handles", "Network", "Create", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/network.go#L43-L100
train
docker/libnetwork
client/network.go
CmdNetworkRm
func (cli *NetworkCli) CmdNetworkRm(chain string, args ...string) error { cmd := cli.Subcmd(chain, "rm", "NETWORK", "Deletes a network", false) cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } id, err := lookupNetworkID(cli, cmd.Arg(0)) if err != nil { return err } _, _, err = readBody(cli.call("DELETE", "/networks/"+id, nil, nil)) if err != nil { return err } return nil }
go
func (cli *NetworkCli) CmdNetworkRm(chain string, args ...string) error { cmd := cli.Subcmd(chain, "rm", "NETWORK", "Deletes a network", false) cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } id, err := lookupNetworkID(cli, cmd.Arg(0)) if err != nil { return err } _, _, err = readBody(cli.call("DELETE", "/networks/"+id, nil, nil)) if err != nil { return err } return nil }
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// CmdNetworkRm handles Network Delete UI
[ "CmdNetworkRm", "handles", "Network", "Delete", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/network.go#L103-L119
train
docker/libnetwork
client/network.go
CmdNetworkLs
func (cli *NetworkCli) CmdNetworkLs(chain string, args ...string) error { cmd := cli.Subcmd(chain, "ls", "", "Lists all the networks created by the user", false) quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs") noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Do not truncate the output") nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show the latest network created") last := cmd.Int([]string{"n"}, -1, "Show n last created networks") err := cmd.ParseFlags(args, true) if err != nil { return err } obj, _, err := readBody(cli.call("GET", "/networks", nil, nil)) if err != nil { return err } if *last == -1 && *nLatest { *last = 1 } var networkResources []networkResource err = json.Unmarshal(obj, &networkResources) if err != nil { return err } wr := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) // unless quiet (-q) is specified, print field titles if !*quiet { fmt.Fprintln(wr, "NETWORK ID\tNAME\tTYPE") } for _, networkResource := range networkResources { ID := networkResource.ID netName := networkResource.Name if !*noTrunc { ID = stringid.TruncateID(ID) } if *quiet { fmt.Fprintln(wr, ID) continue } netType := networkResource.Type fmt.Fprintf(wr, "%s\t%s\t%s\t", ID, netName, netType) fmt.Fprint(wr, "\n") } wr.Flush() return nil }
go
func (cli *NetworkCli) CmdNetworkLs(chain string, args ...string) error { cmd := cli.Subcmd(chain, "ls", "", "Lists all the networks created by the user", false) quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs") noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Do not truncate the output") nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show the latest network created") last := cmd.Int([]string{"n"}, -1, "Show n last created networks") err := cmd.ParseFlags(args, true) if err != nil { return err } obj, _, err := readBody(cli.call("GET", "/networks", nil, nil)) if err != nil { return err } if *last == -1 && *nLatest { *last = 1 } var networkResources []networkResource err = json.Unmarshal(obj, &networkResources) if err != nil { return err } wr := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) // unless quiet (-q) is specified, print field titles if !*quiet { fmt.Fprintln(wr, "NETWORK ID\tNAME\tTYPE") } for _, networkResource := range networkResources { ID := networkResource.ID netName := networkResource.Name if !*noTrunc { ID = stringid.TruncateID(ID) } if *quiet { fmt.Fprintln(wr, ID) continue } netType := networkResource.Type fmt.Fprintf(wr, "%s\t%s\t%s\t", ID, netName, netType) fmt.Fprint(wr, "\n") } wr.Flush() return nil }
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// CmdNetworkLs handles Network List UI
[ "CmdNetworkLs", "handles", "Network", "List", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/network.go#L122-L172
train
docker/libnetwork
client/network.go
CmdNetworkInfo
func (cli *NetworkCli) CmdNetworkInfo(chain string, args ...string) error { cmd := cli.Subcmd(chain, "info", "NETWORK", "Displays detailed information on a network", false) cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } id, err := lookupNetworkID(cli, cmd.Arg(0)) if err != nil { return err } obj, _, err := readBody(cli.call("GET", "/networks/"+id, nil, nil)) if err != nil { return err } networkResource := &networkResource{} if err := json.NewDecoder(bytes.NewReader(obj)).Decode(networkResource); err != nil { return err } fmt.Fprintf(cli.out, "Network Id: %s\n", networkResource.ID) fmt.Fprintf(cli.out, "Name: %s\n", networkResource.Name) fmt.Fprintf(cli.out, "Type: %s\n", networkResource.Type) if networkResource.Services != nil { for _, serviceResource := range networkResource.Services { fmt.Fprintf(cli.out, " Service Id: %s\n", serviceResource.ID) fmt.Fprintf(cli.out, "\tName: %s\n", serviceResource.Name) } } return nil }
go
func (cli *NetworkCli) CmdNetworkInfo(chain string, args ...string) error { cmd := cli.Subcmd(chain, "info", "NETWORK", "Displays detailed information on a network", false) cmd.Require(flag.Exact, 1) err := cmd.ParseFlags(args, true) if err != nil { return err } id, err := lookupNetworkID(cli, cmd.Arg(0)) if err != nil { return err } obj, _, err := readBody(cli.call("GET", "/networks/"+id, nil, nil)) if err != nil { return err } networkResource := &networkResource{} if err := json.NewDecoder(bytes.NewReader(obj)).Decode(networkResource); err != nil { return err } fmt.Fprintf(cli.out, "Network Id: %s\n", networkResource.ID) fmt.Fprintf(cli.out, "Name: %s\n", networkResource.Name) fmt.Fprintf(cli.out, "Type: %s\n", networkResource.Type) if networkResource.Services != nil { for _, serviceResource := range networkResource.Services { fmt.Fprintf(cli.out, " Service Id: %s\n", serviceResource.ID) fmt.Fprintf(cli.out, "\tName: %s\n", serviceResource.Name) } } return nil }
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// CmdNetworkInfo handles Network Info UI
[ "CmdNetworkInfo", "handles", "Network", "Info", "UI" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/network.go#L175-L207
train
docker/libnetwork
client/network.go
lookupNetworkID
func lookupNetworkID(cli *NetworkCli, nameID string) (string, error) { obj, statusCode, err := readBody(cli.call("GET", "/networks?name="+nameID, nil, nil)) if err != nil { return "", err } if statusCode != http.StatusOK { return "", fmt.Errorf("name query failed for %s due to : statuscode(%d) %v", nameID, statusCode, string(obj)) } var list []*networkResource err = json.Unmarshal(obj, &list) if err != nil { return "", err } if len(list) > 0 { // name query filter will always return a single-element collection return list[0].ID, nil } // Check for Partial-id obj, statusCode, err = readBody(cli.call("GET", "/networks?partial-id="+nameID, nil, nil)) if err != nil { return "", err } if statusCode != http.StatusOK { return "", fmt.Errorf("partial-id match query failed for %s due to : statuscode(%d) %v", nameID, statusCode, string(obj)) } err = json.Unmarshal(obj, &list) if err != nil { return "", err } if len(list) == 0 { return "", fmt.Errorf("resource not found %s", nameID) } if len(list) > 1 { return "", fmt.Errorf("multiple Networks matching the partial identifier (%s). Please use full identifier", nameID) } return list[0].ID, nil }
go
func lookupNetworkID(cli *NetworkCli, nameID string) (string, error) { obj, statusCode, err := readBody(cli.call("GET", "/networks?name="+nameID, nil, nil)) if err != nil { return "", err } if statusCode != http.StatusOK { return "", fmt.Errorf("name query failed for %s due to : statuscode(%d) %v", nameID, statusCode, string(obj)) } var list []*networkResource err = json.Unmarshal(obj, &list) if err != nil { return "", err } if len(list) > 0 { // name query filter will always return a single-element collection return list[0].ID, nil } // Check for Partial-id obj, statusCode, err = readBody(cli.call("GET", "/networks?partial-id="+nameID, nil, nil)) if err != nil { return "", err } if statusCode != http.StatusOK { return "", fmt.Errorf("partial-id match query failed for %s due to : statuscode(%d) %v", nameID, statusCode, string(obj)) } err = json.Unmarshal(obj, &list) if err != nil { return "", err } if len(list) == 0 { return "", fmt.Errorf("resource not found %s", nameID) } if len(list) > 1 { return "", fmt.Errorf("multiple Networks matching the partial identifier (%s). Please use full identifier", nameID) } return list[0].ID, nil }
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// Helper function to predict if a string is a name or id or partial-id // This provides a best-effort mechanism to identify an id with the help of GET Filter APIs // Being a UI, its most likely that name will be used by the user, which is used to lookup // the corresponding ID. If ID is not found, this function will assume that the passed string // is an ID by itself.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/client/network.go#L215-L256
train
docker/libnetwork
drivers/ipvlan/ipvlan.go
Init
func Init(dc driverapi.DriverCallback, config map[string]interface{}) error { c := driverapi.Capability{ DataScope: datastore.LocalScope, ConnectivityScope: datastore.GlobalScope, } d := &driver{ networks: networkTable{}, } d.initStore(config) return dc.RegisterDriver(ipvlanType, d, c) }
go
func Init(dc driverapi.DriverCallback, config map[string]interface{}) error { c := driverapi.Capability{ DataScope: datastore.LocalScope, ConnectivityScope: datastore.GlobalScope, } d := &driver{ networks: networkTable{}, } d.initStore(config) return dc.RegisterDriver(ipvlanType, d, c) }
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// Init initializes and registers the libnetwork ipvlan driver
[ "Init", "initializes", "and", "registers", "the", "libnetwork", "ipvlan", "driver" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/drivers/ipvlan/ipvlan.go#L59-L70
train
docker/libnetwork
networkdb/networkdb.go
DefaultConfig
func DefaultConfig() *Config { hostname, _ := os.Hostname() return &Config{ NodeID: stringid.TruncateID(stringid.GenerateRandomID()), Hostname: hostname, BindAddr: "0.0.0.0", PacketBufferSize: 1400, StatsPrintPeriod: 5 * time.Minute, HealthPrintPeriod: 1 * time.Minute, reapEntryInterval: 30 * time.Minute, } }
go
func DefaultConfig() *Config { hostname, _ := os.Hostname() return &Config{ NodeID: stringid.TruncateID(stringid.GenerateRandomID()), Hostname: hostname, BindAddr: "0.0.0.0", PacketBufferSize: 1400, StatsPrintPeriod: 5 * time.Minute, HealthPrintPeriod: 1 * time.Minute, reapEntryInterval: 30 * time.Minute, } }
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// DefaultConfig returns a NetworkDB config with default values
[ "DefaultConfig", "returns", "a", "NetworkDB", "config", "with", "default", "values" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L225-L236
train
docker/libnetwork
networkdb/networkdb.go
New
func New(c *Config) (*NetworkDB, error) { // The garbage collection logic for entries leverage the presence of the network. // For this reason the expiration time of the network is put slightly higher than the entry expiration so that // there is at least 5 extra cycle to make sure that all the entries are properly deleted before deleting the network. c.reapNetworkInterval = c.reapEntryInterval + 5*reapPeriod nDB := &NetworkDB{ config: c, indexes: make(map[int]*radix.Tree), networks: make(map[string]map[string]*network), nodes: make(map[string]*node), failedNodes: make(map[string]*node), leftNodes: make(map[string]*node), networkNodes: make(map[string][]string), bulkSyncAckTbl: make(map[string]chan struct{}), broadcaster: events.NewBroadcaster(), } nDB.indexes[byTable] = radix.New() nDB.indexes[byNetwork] = radix.New() logrus.Infof("New memberlist node - Node:%v will use memberlist nodeID:%v with config:%+v", c.Hostname, c.NodeID, c) if err := nDB.clusterInit(); err != nil { return nil, err } return nDB, nil }
go
func New(c *Config) (*NetworkDB, error) { // The garbage collection logic for entries leverage the presence of the network. // For this reason the expiration time of the network is put slightly higher than the entry expiration so that // there is at least 5 extra cycle to make sure that all the entries are properly deleted before deleting the network. c.reapNetworkInterval = c.reapEntryInterval + 5*reapPeriod nDB := &NetworkDB{ config: c, indexes: make(map[int]*radix.Tree), networks: make(map[string]map[string]*network), nodes: make(map[string]*node), failedNodes: make(map[string]*node), leftNodes: make(map[string]*node), networkNodes: make(map[string][]string), bulkSyncAckTbl: make(map[string]chan struct{}), broadcaster: events.NewBroadcaster(), } nDB.indexes[byTable] = radix.New() nDB.indexes[byNetwork] = radix.New() logrus.Infof("New memberlist node - Node:%v will use memberlist nodeID:%v with config:%+v", c.Hostname, c.NodeID, c) if err := nDB.clusterInit(); err != nil { return nil, err } return nDB, nil }
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// New creates a new instance of NetworkDB using the Config passed by // the caller.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L240-L267
train
docker/libnetwork
networkdb/networkdb.go
Close
func (nDB *NetworkDB) Close() { if err := nDB.clusterLeave(); err != nil { logrus.Errorf("%v(%v) Could not close DB: %v", nDB.config.Hostname, nDB.config.NodeID, err) } //Avoid (*Broadcaster).run goroutine leak nDB.broadcaster.Close() }
go
func (nDB *NetworkDB) Close() { if err := nDB.clusterLeave(); err != nil { logrus.Errorf("%v(%v) Could not close DB: %v", nDB.config.Hostname, nDB.config.NodeID, err) } //Avoid (*Broadcaster).run goroutine leak nDB.broadcaster.Close() }
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// Close destroys this NetworkDB instance by leave the cluster, // stopping timers, canceling goroutines etc.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L281-L288
train
docker/libnetwork
networkdb/networkdb.go
ClusterPeers
func (nDB *NetworkDB) ClusterPeers() []PeerInfo { nDB.RLock() defer nDB.RUnlock() peers := make([]PeerInfo, 0, len(nDB.nodes)) for _, node := range nDB.nodes { peers = append(peers, PeerInfo{ Name: node.Name, IP: node.Node.Addr.String(), }) } return peers }
go
func (nDB *NetworkDB) ClusterPeers() []PeerInfo { nDB.RLock() defer nDB.RUnlock() peers := make([]PeerInfo, 0, len(nDB.nodes)) for _, node := range nDB.nodes { peers = append(peers, PeerInfo{ Name: node.Name, IP: node.Node.Addr.String(), }) } return peers }
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// ClusterPeers returns all the gossip cluster peers.
[ "ClusterPeers", "returns", "all", "the", "gossip", "cluster", "peers", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L291-L302
train
docker/libnetwork
networkdb/networkdb.go
Peers
func (nDB *NetworkDB) Peers(nid string) []PeerInfo { nDB.RLock() defer nDB.RUnlock() peers := make([]PeerInfo, 0, len(nDB.networkNodes[nid])) for _, nodeName := range nDB.networkNodes[nid] { if node, ok := nDB.nodes[nodeName]; ok { peers = append(peers, PeerInfo{ Name: node.Name, IP: node.Addr.String(), }) } else { // Added for testing purposes, this condition should never happen else mean that the network list // is out of sync with the node list peers = append(peers, PeerInfo{Name: nodeName, IP: "unknown"}) } } return peers }
go
func (nDB *NetworkDB) Peers(nid string) []PeerInfo { nDB.RLock() defer nDB.RUnlock() peers := make([]PeerInfo, 0, len(nDB.networkNodes[nid])) for _, nodeName := range nDB.networkNodes[nid] { if node, ok := nDB.nodes[nodeName]; ok { peers = append(peers, PeerInfo{ Name: node.Name, IP: node.Addr.String(), }) } else { // Added for testing purposes, this condition should never happen else mean that the network list // is out of sync with the node list peers = append(peers, PeerInfo{Name: nodeName, IP: "unknown"}) } } return peers }
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// Peers returns the gossip peers for a given network.
[ "Peers", "returns", "the", "gossip", "peers", "for", "a", "given", "network", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L305-L322
train
docker/libnetwork
networkdb/networkdb.go
GetTableByNetwork
func (nDB *NetworkDB) GetTableByNetwork(tname, nid string) map[string]*TableElem { entries := make(map[string]*TableElem) nDB.indexes[byTable].WalkPrefix(fmt.Sprintf("/%s/%s", tname, nid), func(k string, v interface{}) bool { entry := v.(*entry) if entry.deleting { return false } key := k[strings.LastIndex(k, "/")+1:] entries[key] = &TableElem{Value: entry.value, owner: entry.node} return false }) return entries }
go
func (nDB *NetworkDB) GetTableByNetwork(tname, nid string) map[string]*TableElem { entries := make(map[string]*TableElem) nDB.indexes[byTable].WalkPrefix(fmt.Sprintf("/%s/%s", tname, nid), func(k string, v interface{}) bool { entry := v.(*entry) if entry.deleting { return false } key := k[strings.LastIndex(k, "/")+1:] entries[key] = &TableElem{Value: entry.value, owner: entry.node} return false }) return entries }
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// GetTableByNetwork walks the networkdb by the give table and network id and // returns a map of keys and values
[ "GetTableByNetwork", "walks", "the", "networkdb", "by", "the", "give", "table", "and", "network", "id", "and", "returns", "a", "map", "of", "keys", "and", "values" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L413-L425
train
docker/libnetwork
networkdb/networkdb.go
WalkTable
func (nDB *NetworkDB) WalkTable(tname string, fn func(string, string, []byte, bool) bool) error { nDB.RLock() values := make(map[string]interface{}) nDB.indexes[byTable].WalkPrefix(fmt.Sprintf("/%s", tname), func(path string, v interface{}) bool { values[path] = v return false }) nDB.RUnlock() for k, v := range values { params := strings.Split(k[1:], "/") nid := params[1] key := params[2] if fn(nid, key, v.(*entry).value, v.(*entry).deleting) { return nil } } return nil }
go
func (nDB *NetworkDB) WalkTable(tname string, fn func(string, string, []byte, bool) bool) error { nDB.RLock() values := make(map[string]interface{}) nDB.indexes[byTable].WalkPrefix(fmt.Sprintf("/%s", tname), func(path string, v interface{}) bool { values[path] = v return false }) nDB.RUnlock() for k, v := range values { params := strings.Split(k[1:], "/") nid := params[1] key := params[2] if fn(nid, key, v.(*entry).value, v.(*entry).deleting) { return nil } } return nil }
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// WalkTable walks a single table in NetworkDB and invokes the passed // function for each entry in the table passing the network, key, // value. The walk stops if the passed function returns a true.
[ "WalkTable", "walks", "a", "single", "table", "in", "NetworkDB", "and", "invokes", "the", "passed", "function", "for", "each", "entry", "in", "the", "table", "passing", "the", "network", "key", "value", ".", "The", "walk", "stops", "if", "the", "passed", "function", "returns", "a", "true", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L569-L588
train
docker/libnetwork
networkdb/networkdb.go
JoinNetwork
func (nDB *NetworkDB) JoinNetwork(nid string) error { ltime := nDB.networkClock.Increment() nDB.Lock() nodeNetworks, ok := nDB.networks[nDB.config.NodeID] if !ok { nodeNetworks = make(map[string]*network) nDB.networks[nDB.config.NodeID] = nodeNetworks } n, ok := nodeNetworks[nid] var entries int if ok { entries = n.entriesNumber } nodeNetworks[nid] = &network{id: nid, ltime: ltime, entriesNumber: entries} nodeNetworks[nid].tableBroadcasts = &memberlist.TransmitLimitedQueue{ NumNodes: func() int { //TODO fcrisciani this can be optimized maybe avoiding the lock? // this call is done each GetBroadcasts call to evaluate the number of // replicas for the message nDB.RLock() defer nDB.RUnlock() return len(nDB.networkNodes[nid]) }, RetransmitMult: 4, } nDB.addNetworkNode(nid, nDB.config.NodeID) networkNodes := nDB.networkNodes[nid] n = nodeNetworks[nid] nDB.Unlock() if err := nDB.sendNetworkEvent(nid, NetworkEventTypeJoin, ltime); err != nil { return fmt.Errorf("failed to send leave network event for %s: %v", nid, err) } logrus.Debugf("%v(%v): joined network %s", nDB.config.Hostname, nDB.config.NodeID, nid) if _, err := nDB.bulkSync(networkNodes, true); err != nil { logrus.Errorf("Error bulk syncing while joining network %s: %v", nid, err) } // Mark the network as being synced // note this is a best effort, we are not checking the result of the bulk sync nDB.Lock() n.inSync = true nDB.Unlock() return nil }
go
func (nDB *NetworkDB) JoinNetwork(nid string) error { ltime := nDB.networkClock.Increment() nDB.Lock() nodeNetworks, ok := nDB.networks[nDB.config.NodeID] if !ok { nodeNetworks = make(map[string]*network) nDB.networks[nDB.config.NodeID] = nodeNetworks } n, ok := nodeNetworks[nid] var entries int if ok { entries = n.entriesNumber } nodeNetworks[nid] = &network{id: nid, ltime: ltime, entriesNumber: entries} nodeNetworks[nid].tableBroadcasts = &memberlist.TransmitLimitedQueue{ NumNodes: func() int { //TODO fcrisciani this can be optimized maybe avoiding the lock? // this call is done each GetBroadcasts call to evaluate the number of // replicas for the message nDB.RLock() defer nDB.RUnlock() return len(nDB.networkNodes[nid]) }, RetransmitMult: 4, } nDB.addNetworkNode(nid, nDB.config.NodeID) networkNodes := nDB.networkNodes[nid] n = nodeNetworks[nid] nDB.Unlock() if err := nDB.sendNetworkEvent(nid, NetworkEventTypeJoin, ltime); err != nil { return fmt.Errorf("failed to send leave network event for %s: %v", nid, err) } logrus.Debugf("%v(%v): joined network %s", nDB.config.Hostname, nDB.config.NodeID, nid) if _, err := nDB.bulkSync(networkNodes, true); err != nil { logrus.Errorf("Error bulk syncing while joining network %s: %v", nid, err) } // Mark the network as being synced // note this is a best effort, we are not checking the result of the bulk sync nDB.Lock() n.inSync = true nDB.Unlock() return nil }
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// JoinNetwork joins this node to a given network and propagates this // event across the cluster. This triggers this node joining the // sub-cluster of this network and participates in the network-scoped // gossip and bulk sync for this network.
[ "JoinNetwork", "joins", "this", "node", "to", "a", "given", "network", "and", "propagates", "this", "event", "across", "the", "cluster", ".", "This", "triggers", "this", "node", "joining", "the", "sub", "-", "cluster", "of", "this", "network", "and", "participates", "in", "the", "network", "-", "scoped", "gossip", "and", "bulk", "sync", "for", "this", "network", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L594-L641
train
docker/libnetwork
networkdb/networkdb.go
LeaveNetwork
func (nDB *NetworkDB) LeaveNetwork(nid string) error { ltime := nDB.networkClock.Increment() if err := nDB.sendNetworkEvent(nid, NetworkEventTypeLeave, ltime); err != nil { return fmt.Errorf("failed to send leave network event for %s: %v", nid, err) } nDB.Lock() defer nDB.Unlock() // Remove myself from the list of the nodes participating to the network nDB.deleteNetworkNode(nid, nDB.config.NodeID) // Update all the local entries marking them for deletion and delete all the remote entries nDB.deleteNodeNetworkEntries(nid, nDB.config.NodeID) nodeNetworks, ok := nDB.networks[nDB.config.NodeID] if !ok { return fmt.Errorf("could not find self node for network %s while trying to leave", nid) } n, ok := nodeNetworks[nid] if !ok { return fmt.Errorf("could not find network %s while trying to leave", nid) } logrus.Debugf("%v(%v): leaving network %s", nDB.config.Hostname, nDB.config.NodeID, nid) n.ltime = ltime n.reapTime = nDB.config.reapNetworkInterval n.leaving = true return nil }
go
func (nDB *NetworkDB) LeaveNetwork(nid string) error { ltime := nDB.networkClock.Increment() if err := nDB.sendNetworkEvent(nid, NetworkEventTypeLeave, ltime); err != nil { return fmt.Errorf("failed to send leave network event for %s: %v", nid, err) } nDB.Lock() defer nDB.Unlock() // Remove myself from the list of the nodes participating to the network nDB.deleteNetworkNode(nid, nDB.config.NodeID) // Update all the local entries marking them for deletion and delete all the remote entries nDB.deleteNodeNetworkEntries(nid, nDB.config.NodeID) nodeNetworks, ok := nDB.networks[nDB.config.NodeID] if !ok { return fmt.Errorf("could not find self node for network %s while trying to leave", nid) } n, ok := nodeNetworks[nid] if !ok { return fmt.Errorf("could not find network %s while trying to leave", nid) } logrus.Debugf("%v(%v): leaving network %s", nDB.config.Hostname, nDB.config.NodeID, nid) n.ltime = ltime n.reapTime = nDB.config.reapNetworkInterval n.leaving = true return nil }
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// LeaveNetwork leaves this node from a given network and propagates // this event across the cluster. This triggers this node leaving the // sub-cluster of this network and as a result will no longer // participate in the network-scoped gossip and bulk sync for this // network. Also remove all the table entries for this network from // networkdb
[ "LeaveNetwork", "leaves", "this", "node", "from", "a", "given", "network", "and", "propagates", "this", "event", "across", "the", "cluster", ".", "This", "triggers", "this", "node", "leaving", "the", "sub", "-", "cluster", "of", "this", "network", "and", "as", "a", "result", "will", "no", "longer", "participate", "in", "the", "network", "-", "scoped", "gossip", "and", "bulk", "sync", "for", "this", "network", ".", "Also", "remove", "all", "the", "table", "entries", "for", "this", "network", "from", "networkdb" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L649-L679
train
docker/libnetwork
networkdb/networkdb.go
addNetworkNode
func (nDB *NetworkDB) addNetworkNode(nid string, nodeName string) { nodes := nDB.networkNodes[nid] for _, node := range nodes { if node == nodeName { return } } nDB.networkNodes[nid] = append(nDB.networkNodes[nid], nodeName) }
go
func (nDB *NetworkDB) addNetworkNode(nid string, nodeName string) { nodes := nDB.networkNodes[nid] for _, node := range nodes { if node == nodeName { return } } nDB.networkNodes[nid] = append(nDB.networkNodes[nid], nodeName) }
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// addNetworkNode adds the node to the list of nodes which participate // in the passed network only if it is not already present. Caller // should hold the NetworkDB lock while calling this
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L684-L693
train
docker/libnetwork
networkdb/networkdb.go
deleteNetworkNode
func (nDB *NetworkDB) deleteNetworkNode(nid string, nodeName string) { nodes, ok := nDB.networkNodes[nid] if !ok || len(nodes) == 0 { return } newNodes := make([]string, 0, len(nodes)-1) for _, name := range nodes { if name == nodeName { continue } newNodes = append(newNodes, name) } nDB.networkNodes[nid] = newNodes }
go
func (nDB *NetworkDB) deleteNetworkNode(nid string, nodeName string) { nodes, ok := nDB.networkNodes[nid] if !ok || len(nodes) == 0 { return } newNodes := make([]string, 0, len(nodes)-1) for _, name := range nodes { if name == nodeName { continue } newNodes = append(newNodes, name) } nDB.networkNodes[nid] = newNodes }
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// Deletes the node from the list of nodes which participate in the // passed network. Caller should hold the NetworkDB lock while calling // this
[ "Deletes", "the", "node", "from", "the", "list", "of", "nodes", "which", "participate", "in", "the", "passed", "network", ".", "Caller", "should", "hold", "the", "NetworkDB", "lock", "while", "calling", "this" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L698-L711
train
docker/libnetwork
networkdb/networkdb.go
findCommonNetworks
func (nDB *NetworkDB) findCommonNetworks(nodeName string) []string { nDB.RLock() defer nDB.RUnlock() var networks []string for nid := range nDB.networks[nDB.config.NodeID] { if n, ok := nDB.networks[nodeName][nid]; ok { if !n.leaving { networks = append(networks, nid) } } } return networks }
go
func (nDB *NetworkDB) findCommonNetworks(nodeName string) []string { nDB.RLock() defer nDB.RUnlock() var networks []string for nid := range nDB.networks[nDB.config.NodeID] { if n, ok := nDB.networks[nodeName][nid]; ok { if !n.leaving { networks = append(networks, nid) } } } return networks }
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// findCommonnetworks find the networks that both this node and the // passed node have joined.
[ "findCommonnetworks", "find", "the", "networks", "that", "both", "this", "node", "and", "the", "passed", "node", "have", "joined", "." ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/networkdb.go#L715-L729
train
docker/libnetwork
networkdb/cluster.go
SetKey
func (nDB *NetworkDB) SetKey(key []byte) { logrus.Debugf("Adding key %.5s", hex.EncodeToString(key)) nDB.Lock() defer nDB.Unlock() for _, dbKey := range nDB.config.Keys { if bytes.Equal(key, dbKey) { return } } nDB.config.Keys = append(nDB.config.Keys, key) if nDB.keyring != nil { nDB.keyring.AddKey(key) } }
go
func (nDB *NetworkDB) SetKey(key []byte) { logrus.Debugf("Adding key %.5s", hex.EncodeToString(key)) nDB.Lock() defer nDB.Unlock() for _, dbKey := range nDB.config.Keys { if bytes.Equal(key, dbKey) { return } } nDB.config.Keys = append(nDB.config.Keys, key) if nDB.keyring != nil { nDB.keyring.AddKey(key) } }
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// SetKey adds a new key to the key ring
[ "SetKey", "adds", "a", "new", "key", "to", "the", "key", "ring" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/cluster.go#L57-L70
train
docker/libnetwork
networkdb/cluster.go
SetPrimaryKey
func (nDB *NetworkDB) SetPrimaryKey(key []byte) { logrus.Debugf("Primary Key %.5s", hex.EncodeToString(key)) nDB.RLock() defer nDB.RUnlock() for _, dbKey := range nDB.config.Keys { if bytes.Equal(key, dbKey) { if nDB.keyring != nil { nDB.keyring.UseKey(dbKey) } break } } }
go
func (nDB *NetworkDB) SetPrimaryKey(key []byte) { logrus.Debugf("Primary Key %.5s", hex.EncodeToString(key)) nDB.RLock() defer nDB.RUnlock() for _, dbKey := range nDB.config.Keys { if bytes.Equal(key, dbKey) { if nDB.keyring != nil { nDB.keyring.UseKey(dbKey) } break } } }
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// SetPrimaryKey sets the given key as the primary key. This should have // been added apriori through SetKey
[ "SetPrimaryKey", "sets", "the", "given", "key", "as", "the", "primary", "key", ".", "This", "should", "have", "been", "added", "apriori", "through", "SetKey" ]
9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/cluster.go#L74-L86
train
docker/libnetwork
networkdb/cluster.go
RemoveKey
func (nDB *NetworkDB) RemoveKey(key []byte) { logrus.Debugf("Remove Key %.5s", hex.EncodeToString(key)) nDB.Lock() defer nDB.Unlock() for i, dbKey := range nDB.config.Keys { if bytes.Equal(key, dbKey) { nDB.config.Keys = append(nDB.config.Keys[:i], nDB.config.Keys[i+1:]...) if nDB.keyring != nil { nDB.keyring.RemoveKey(dbKey) } break } } }
go
func (nDB *NetworkDB) RemoveKey(key []byte) { logrus.Debugf("Remove Key %.5s", hex.EncodeToString(key)) nDB.Lock() defer nDB.Unlock() for i, dbKey := range nDB.config.Keys { if bytes.Equal(key, dbKey) { nDB.config.Keys = append(nDB.config.Keys[:i], nDB.config.Keys[i+1:]...) if nDB.keyring != nil { nDB.keyring.RemoveKey(dbKey) } break } } }
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// RemoveKey removes a key from the key ring. The key being removed // can't be the primary key
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/cluster.go#L90-L103
train
docker/libnetwork
networkdb/cluster.go
mRandomNodes
func (nDB *NetworkDB) mRandomNodes(m int, nodes []string) []string { n := len(nodes) mNodes := make([]string, 0, m) OUTER: // Probe up to 3*n times, with large n this is not necessary // since k << n, but with small n we want search to be // exhaustive for i := 0; i < 3*n && len(mNodes) < m; i++ { // Get random node idx := randomOffset(n) node := nodes[idx] if node == nDB.config.NodeID { continue } // Check if we have this node already for j := 0; j < len(mNodes); j++ { if node == mNodes[j] { continue OUTER } } // Append the node mNodes = append(mNodes, node) } return mNodes }
go
func (nDB *NetworkDB) mRandomNodes(m int, nodes []string) []string { n := len(nodes) mNodes := make([]string, 0, m) OUTER: // Probe up to 3*n times, with large n this is not necessary // since k << n, but with small n we want search to be // exhaustive for i := 0; i < 3*n && len(mNodes) < m; i++ { // Get random node idx := randomOffset(n) node := nodes[idx] if node == nDB.config.NodeID { continue } // Check if we have this node already for j := 0; j < len(mNodes); j++ { if node == mNodes[j] { continue OUTER } } // Append the node mNodes = append(mNodes, node) } return mNodes }
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// mRandomNodes is used to select up to m random nodes. It is possible // that less than m nodes are returned.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/networkdb/cluster.go#L733-L761
train
docker/libnetwork
drvregistry/drvregistry.go
New
func New(lDs, gDs interface{}, dfn DriverNotifyFunc, ifn IPAMNotifyFunc, pg plugingetter.PluginGetter) (*DrvRegistry, error) { r := &DrvRegistry{ drivers: make(driverTable), ipamDrivers: make(ipamTable), dfn: dfn, ifn: ifn, pluginGetter: pg, } return r, nil }
go
func New(lDs, gDs interface{}, dfn DriverNotifyFunc, ifn IPAMNotifyFunc, pg plugingetter.PluginGetter) (*DrvRegistry, error) { r := &DrvRegistry{ drivers: make(driverTable), ipamDrivers: make(ipamTable), dfn: dfn, ifn: ifn, pluginGetter: pg, } return r, nil }
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// New returns a new driver registry handle.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/drvregistry/drvregistry.go#L58-L68
train
docker/libnetwork
drvregistry/drvregistry.go
AddDriver
func (r *DrvRegistry) AddDriver(ntype string, fn InitFunc, config map[string]interface{}) error { return fn(r, config) }
go
func (r *DrvRegistry) AddDriver(ntype string, fn InitFunc, config map[string]interface{}) error { return fn(r, config) }
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// AddDriver adds a network driver to the registry.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/drvregistry/drvregistry.go#L71-L73
train
docker/libnetwork
drvregistry/drvregistry.go
WalkIPAMs
func (r *DrvRegistry) WalkIPAMs(ifn IPAMWalkFunc) { type ipamVal struct { name string data *ipamData } r.Lock() ivl := make([]ipamVal, 0, len(r.ipamDrivers)) for k, v := range r.ipamDrivers { ivl = append(ivl, ipamVal{name: k, data: v}) } r.Unlock() for _, iv := range ivl { if ifn(iv.name, iv.data.driver, iv.data.capability) { break } } }
go
func (r *DrvRegistry) WalkIPAMs(ifn IPAMWalkFunc) { type ipamVal struct { name string data *ipamData } r.Lock() ivl := make([]ipamVal, 0, len(r.ipamDrivers)) for k, v := range r.ipamDrivers { ivl = append(ivl, ipamVal{name: k, data: v}) } r.Unlock() for _, iv := range ivl { if ifn(iv.name, iv.data.driver, iv.data.capability) { break } } }
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// WalkIPAMs walks the IPAM drivers registered in the registry and invokes the passed walk function and each one of them.
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9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
https://github.com/docker/libnetwork/blob/9ff9b57c344df5cd47443ad9e65702ec85c5aeb0/drvregistry/drvregistry.go#L76-L94
train