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'Delete a network and its corresponding MidoNet bridge.'
def delete_network(self, context, id):
LOG.debug(_('MidonetPluginV2.delete_network called: id=%r'), id) self.mido_api.get_bridge(id).delete() try: super(MidonetPluginV2, self).delete_network(context, id) except Exception: LOG.error(_('Failed to delete quantum db, while Midonet bridge=%rhad been ...
'Create a L2 port in Quantum/MidoNet.'
def create_port(self, context, port):
LOG.debug(_('MidonetPluginV2.create_port called: port=%r'), port) is_compute_interface = False port_data = port['port'] try: bridge = self.mido_api.get_bridge(port_data['network_id']) except w_exc.HTTPNotFound: raise MidonetResourceNotFound(resource_type='Bridge', id=port_data[...
'Update port.'
def update_port(self, context, id, port):
LOG.debug(_('MidonetPluginV2.update_port called: id=%(id)s port=%(port)r'), {'id': id, 'port': port}) return super(MidonetPluginV2, self).update_port(context, id, port)
'Retrieve port.'
def get_port(self, context, id, fields=None):
LOG.debug(_('MidonetPluginV2.get_port called: id=%(id)s fields=%(fields)r'), {'id': id, 'fields': fields}) port_db_entry = super(MidonetPluginV2, self).get_port(context, id, fields) self._extend_port_dict_security_group(context, port_db_entry) try: self.mido_api.get_port(id) except ...
'List quantum ports and verify that they exist in MidoNet.'
def get_ports(self, context, filters=None, fields=None):
LOG.debug(_('MidonetPluginV2.get_ports called: filters=%(filters)s fields=%(fields)r'), {'filters': filters, 'fields': fields}) ports_db_entry = super(MidonetPluginV2, self).get_ports(context, filters, fields) if ports_db_entry: try: for port in ports_db_entry: s...
'Delete a quantum port and corresponding MidoNet bridge port.'
def delete_port(self, context, id, l3_port_check=True):
LOG.debug(_('MidonetPluginV2.delete_port called: id=%(id)s l3_port_check=%(l3_port_check)r'), {'id': id, 'l3_port_check': l3_port_check}) if l3_port_check: self.prevent_l3_port_deletion(context, id) session = context.session with session.begin(subtransactions=True): port_db_entr...
'Remove interior router ports.'
def remove_router_interface(self, context, router_id, interface_info):
LOG.debug(_('MidonetPluginV2.remove_router_interface called: router_id=%(router_id)s interface_info=%(interface_info)r'), {'router_id': router_id, 'interface_info': interface_info}) if ('port_id' in interface_info): mbridge_port = self.mido_api.get_port(interface_info['port_id']) subnet...
'Create chains for Quantum security group.'
def create_security_group(self, context, security_group, default_sg=False):
LOG.debug(_('MidonetPluginV2.create_security_group called: security_group=%(security_group)s default_sg=%(default_sg)s '), {'security_group': security_group, 'default_sg': default_sg}) sg = security_group.get('security_group') tenant_id = self._get_tenant_id_for_create(context, sg) with cont...
'Delete chains for Quantum security group.'
def delete_security_group(self, context, id):
LOG.debug(_('MidonetPluginV2.delete_security_group called: id=%s'), id) with context.session.begin(subtransactions=True): sg_db_entry = super(MidonetPluginV2, self).get_security_group(context, id) if (not sg_db_entry): raise ext_sg.SecurityGroupNotFound(id=id) sg_name =...
'Adds to the list of exptected inputs. The incomming request is matched in the order of priority. For same priority, match the oldest match request first. :param prior: intgere priority of this match (e.g. 100) :param method_regexp: regexp to match method (e.g. \'PUT|POST\') :param uri_regexp: regexp to match uri (e.g....
def match(self, prior, method_regexp, uri_regexp, handler, data=None, multi=True):
assert (int(prior) == prior), 'Priority should an integer be >= 0' assert (prior >= 0), 'Priority should an integer be >= 0' (lo, hi) = (0, len(self.matches)) while (lo < hi): mid = ((lo + hi) // 2) if (prior < self.matches[mid]): hi = mid ...
'Define failure codes as required. Note: We assume 301-303 is a failure, and try the next server in the server pool.'
def server_failure(self, resp):
return (resp[0] in FAILURE_CODES)
'Defining success codes as required. Note: We assume any valid 2xx as being successful response.'
def action_success(self, resp):
return (resp[0] in SUCCESS_CODES)
'Create a network, which represents an L2 network segment which can have a set of subnets and ports associated with it. :param context: quantum api request context :param network: dictionary describing the network :returns: a sequence of mappings with the following signature: "id": UUID representing the network. "name"...
def create_network(self, context, network):
LOG.debug(_('QuantumRestProxyV2: create_network() called')) self._warn_on_state_status(network['network']) tenant_id = self._get_tenant_id_for_create(context, network['network']) session = context.session with session.begin(subtransactions=True): new_net = super(QuantumRestProxyV2, sel...
'Updates the properties of a particular Virtual Network. :param context: quantum api request context :param net_id: uuid of the network to update :param network: dictionary describing the updates :returns: a sequence of mappings with the following signature: "id": UUID representing the network. "name": Human-readable n...
def update_network(self, context, net_id, network):
LOG.debug(_('QuantumRestProxyV2.update_network() called')) self._warn_on_state_status(network['network']) session = context.session with session.begin(subtransactions=True): orig_net = super(QuantumRestProxyV2, self).get_network(context, net_id) new_net = super(QuantumRestProxyV2, sel...
'Delete a network. :param context: quantum api request context :param id: UUID representing the network to delete. :returns: None :raises: exceptions.NetworkInUse :raises: exceptions.NetworkNotFound :raises: RemoteRestError'
def delete_network(self, context, net_id):
LOG.debug(_('QuantumRestProxyV2: delete_network() called')) orig_net = super(QuantumRestProxyV2, self).get_network(context, net_id) tenant_id = orig_net['tenant_id'] filter = {'network_id': [net_id]} ports = self.get_ports(context, filters=filter) auto_delete_port_owners = db_base_plugin_v...
'Create a port, which is a connection point of a device (e.g., a VM NIC) to attach to a L2 Quantum network. :param context: quantum api request context :param port: dictionary describing the port :returns: "id": uuid represeting the port. "network_id": uuid of network. "tenant_id": tenant_id "mac_address": mac address ...
def create_port(self, context, port):
LOG.debug(_('QuantumRestProxyV2: create_port() called')) port['port']['admin_state_up'] = False new_port = super(QuantumRestProxyV2, self).create_port(context, port) net = super(QuantumRestProxyV2, self).get_network(context, new_port['network_id']) if self.add_meta_server_route: if (ne...
'Update values of a port. :param context: quantum api request context :param id: UUID representing the port to update. :param port: dictionary with keys indicating fields to update. :returns: a mapping sequence with the following signature: "id": uuid represeting the port. "network_id": uuid of network. "tenant_id": te...
def update_port(self, context, port_id, port):
LOG.debug(_('QuantumRestProxyV2: update_port() called')) self._warn_on_state_status(port['port']) orig_port = super(QuantumRestProxyV2, self).get_port(context, port_id) new_port = super(QuantumRestProxyV2, self).update_port(context, port_id, port) try: resource = (PORTS_PATH % (orig_po...
'Delete a port. :param context: quantum api request context :param id: UUID representing the port to delete. :raises: exceptions.PortInUse :raises: exceptions.PortNotFound :raises: exceptions.NetworkNotFound :raises: RemoteRestError'
def delete_port(self, context, port_id, l3_port_check=True):
LOG.debug(_('QuantumRestProxyV2: delete_port() called')) if l3_port_check: self.prevent_l3_port_deletion(context, port_id) self.disassociate_floatingips(context, port_id) super(QuantumRestProxyV2, self).delete_port(context, port_id)
'Attaches a remote interface to the specified port on the specified Virtual Network. :returns: None :raises: exceptions.NetworkNotFound :raises: exceptions.PortNotFound :raises: RemoteRestError'
def _plug_interface(self, context, tenant_id, net_id, port_id, remote_interface_id):
LOG.debug(_('QuantumRestProxyV2: _plug_interface() called')) try: port = super(QuantumRestProxyV2, self).get_port(context, port_id) mac = port['mac_address'] if (mac is not None): resource = (ATTACHMENT_PATH % (tenant_id, net_id, port_id)) data = {'attachmen...
'Detaches a remote interface from the specified port on the network controller :returns: None :raises: RemoteRestError'
def _unplug_interface(self, context, tenant_id, net_id, port_id):
LOG.debug(_('QuantumRestProxyV2: _unplug_interface() called')) try: resource = (ATTACHMENT_PATH % (tenant_id, net_id, port_id)) ret = self.servers.delete(resource) if (not self.servers.action_success(ret)): raise RemoteRestError(ret[2]) except RemoteRestError as e: ...
'Pushes all data to network ctrl (networks/ports, ports/attachments) to give the controller an option to re-sync it\'s persistent store with quantum\'s current view of that data.'
def _send_all_data(self):
admin_context = qcontext.get_admin_context() networks = [] routers = [] all_networks = (super(QuantumRestProxyV2, self).get_networks(admin_context) or []) for net in all_networks: mapped_network = self._get_mapped_network_with_subnets(net) net_fl_ips = self._get_network_with_floating...
'Look up an option value. :param name: the opt name (or \'dest\', more precisely) :param group: an OptGroup :returns: the option value, or a GroupAttr object :raises: NoSuchOptError, NoSuchGroupError, ConfigFileValueError, TemplateSubstitutionError'
def _do_get(self, name, group=None):
if ((group is None) and (name in self._groups)): return self.GroupAttr(self, self._get_group(name)) info = self._get_opt_info(name, group) opt = info['opt'] if ('override' in info): return info['override'] values = [] if (self._cparser is not None): section = (group.name ...
'Register multiple option schemas at once.'
def register_opts(self, opts, group_internal_name=None, group=None):
if group_internal_name: self._group_mappings[group] = group_internal_name for opt in opts: self.register_opt(opt, group, clear_cache=False)
'Converts Quantum API security group rule to NVP API.'
def _convert_to_nvp_rule(self, rule, with_id=False):
nvp_rule = {} params = ['remote_ip_prefix', 'protocol', 'remote_group_id', 'port_range_min', 'port_range_max', 'ethertype'] if with_id: params.append('id') for param in params: value = rule.get(param) if (param not in rule): nvp_rule[param] = value elif (not v...
'Converts a list of Quantum API security group rules to NVP API.'
def _convert_to_nvp_rules(self, rules, with_id=False):
nvp_rules = {'logical_port_ingress_rules': [], 'logical_port_egress_rules': []} for direction in ['logical_port_ingress_rules', 'logical_port_egress_rules']: for rule in rules[direction]: nvp_rules[direction].append(self._convert_to_nvp_rule(rule, with_id)) return nvp_rules
'Query quantum db for security group rules.'
def _get_security_group_rules_nvp_format(self, context, security_group_id, with_id=False):
fields = ['remote_ip_prefix', 'remote_group_id', 'protocol', 'port_range_min', 'port_range_max', 'protocol', 'ethertype'] if with_id: fields.append('id') filters = {'security_group_id': [security_group_id], 'direction': ['ingress']} ingress_rules = self.get_security_group_rules(context, filters,...
'Return profile id from novas group id.'
def _get_profile_uuid(self, context, remote_group_id):
security_group = self.get_security_group(context, remote_group_id) if (not security_group): raise ext_sg.SecurityGroupNotFound(id=remote_group_id) return security_group['id']
'This function receives all of the current rule associated with a security group and then removes the rule that matches the rule_id. In addition it removes the id field in the dict with each rule since that should not be passed to nvp.'
def _remove_security_group_with_id_and_id_field(self, rules, rule_id):
for rule_direction in rules.values(): item_to_remove = None for port_rule in rule_direction: if (port_rule['id'] == rule_id): item_to_remove = port_rule else: del port_rule['id'] if item_to_remove: rule_direction.remove(item...
'Add a new set of controller parameters. :param ip: IP address of controller. :param port: port controller is listening on. :param user: user name. :param password: user password. :param request_timeout: timeout for an entire API request. :param http_timeout: timeout for a connect to a controller. :param retries: maxim...
def add_controller(self, ip, port, user, password, request_timeout, http_timeout, retries, redirects, default_tz_uuid, uuid=None, zone=None, default_l3_gw_service_uuid=None, default_l2_gw_service_uuid=None, default_interface_name=None):
keys = ['ip', 'user', 'password', 'default_tz_uuid', 'default_l3_gw_service_uuid', 'default_l2_gw_service_uuid', 'default_interface_name', 'uuid', 'zone'] controller_dict = dict([(k, locals()[k]) for k in keys]) default_tz_uuid = controller_dict.get('default_tz_uuid') if (not re.match(attributes.UUID_PA...
'Get the rpc dispatcher for this manager. If a manager would like to set an rpc API version, or support more than one class as the target of rpc messages, override this method.'
def create_rpc_dispatcher(self):
return q_rpc.PluginRpcDispatcher([self, agents_db.AgentExtRpcCallback()])
'Build ip_addresses data structure for logical router port No need to perform validation on IPs - this has already been done in the l3_db mixin class'
def _build_ip_address_list(self, context, fixed_ips, subnet_ids=None):
ip_addresses = [] for ip in fixed_ips: if ((not subnet_ids) or (ip['subnet_id'] in subnet_ids)): subnet = self._get_subnet(context, ip['subnet_id']) ip_prefix = ('%s/%s' % (ip['ip_address'], subnet['cidr'].split('/')[1])) ip_addresses.append(ip_prefix) return ip_a...
'Retrieve ports associated with a specific device id. Used for retrieving all quantum ports attached to a given router.'
def _get_port_by_device_id(self, context, device_id, device_owner):
port_qry = context.session.query(models_v2.Port) return port_qry.filter_by(device_id=device_id, device_owner=device_owner).all()
'Retrieve subnets attached to the specified router'
def _find_router_subnets_cidrs(self, context, router_id):
ports = self._get_port_by_device_id(context, router_id, l3_db.DEVICE_OWNER_ROUTER_INTF) cidrs = [] for port in ports: for ip in port.get('fixed_ips', []): cidrs.append(self._get_subnet(context, ip.subnet_id).cidr) return cidrs
'Driver for creating a logical switch port on NVP platform'
def _nvp_create_port(self, context, port_data):
if self._network_is_external(context, port_data['network_id']): LOG.error(_('NVP plugin does not support regular VIF ports on external networks. Port %s will be down.'), port_data['network_id']) return port_data try: cluster = self._find_targe...
'Driver for creating a switch port to be connected to a router'
def _nvp_create_router_port(self, context, port_data):
if self._network_is_external(context, port_data['network_id']): raise nvp_exc.NvpPluginException(err_msg=(_("It is not allowed to create router interface ports on external networks as '%s'") % port_data['network_id'])) try: selected_lswitch = self._nvp_find...
'Driver for creating an external gateway port on NVP platform'
def _nvp_create_ext_gw_port(self, context, port_data):
lr_port = self._find_router_gw_port(context, port_data) ip_addresses = self._build_ip_address_list(context, port_data['fixed_ips']) cluster = self._find_target_cluster(port_data) router_id = port_data['device_id'] nvplib.update_router_lport(cluster, router_id, lr_port['uuid'], port_data['tenant_id']...
'Create a switch port, and attach it to a L2 gateway attachment'
def _nvp_create_l2_gw_port(self, context, port_data):
if self._network_is_external(context, port_data['network_id']): LOG.error(_('NVP plugin does not support regular VIF ports on external networks. Port %s will be down.'), port_data['network_id']) return port_data try: cluster = self._find_targe...
'Return the NVP port uuid for a given quantum port. First, look up the Quantum database. If not found, execute a query on NVP platform as the mapping might be missing because the port was created before upgrading to grizzly.'
def _nvp_get_port_id(self, context, cluster, quantum_port):
nvp_port_id = nicira_db.get_nvp_port_id(context.session, quantum_port['id']) if nvp_port_id: return nvp_port_id try: nvp_port = nvplib.get_port_by_quantum_tag(cluster, quantum_port['network_id'], quantum_port['id']) if nvp_port: nicira_db.add_quantum_nvp_port_mapping(cont...
'Extends the Quantum Fault Map Exceptions specific to the NVP Plugin are mapped to standard HTTP Exceptions'
def _extend_fault_map(self):
base.FAULT_MAP.update({nvp_exc.NvpInvalidNovaZone: webob.exc.HTTPBadRequest, nvp_exc.NvpNoMorePortsException: webob.exc.HTTPBadRequest})
'Return cluster where configuration should be applied If the resource being configured has a paremeter expressing the zone id (nova_id), then select corresponding cluster, otherwise return default cluster.'
def _find_target_cluster(self, resource):
if ('nova_id' in resource): return self._novazone_to_cluster(resource['nova_id']) else: return self.default_cluster
'Figure out the set of lswitches on each cluster that maps to this network id'
def _get_lswitch_cluster_pairs(self, netw_id, tenant_id):
pairs = [] for c in self.clusters.itervalues(): lswitches = [] try: results = nvplib.get_lswitches(c, netw_id) lswitches.extend([ls['uuid'] for ls in results]) except q_exc.NetworkNotFound: continue pairs.append((c, lswitches)) if (len(pair...
'Deletes a port on a specified Virtual Network, if the port contains a remote interface attachment, the remote interface is first un-plugged and then the port is deleted. :returns: None :raises: exception.PortInUse :raises: exception.PortNotFound :raises: exception.NetworkNotFound'
def delete_port(self, context, id, l3_port_check=True, nw_gw_port_check=True):
if l3_port_check: self.prevent_l3_port_deletion(context, id) quantum_db_port = self._get_port(context, id) if nw_gw_port_check: self.prevent_network_gateway_port_deletion(context, quantum_db_port) port_delete_func = self._port_drivers['delete'].get(quantum_db_port.device_owner, self._por...
'Update floating IP association data. Overrides method from base class. The method is augmented for creating NAT rules in the process.'
def _update_fip_assoc(self, context, fip, floatingip_db, external_port):
if ((('fixed_ip_address' in fip) and fip['fixed_ip_address']) and (not (('port_id' in fip) and fip['port_id']))): msg = _('fixed_ip_address cannot be specified without a port_id') raise q_exc.BadRequest(resource='floatingip', msg=msg) port_id = internal_ip = router_id = None ...
'Create a layer-2 network gateway Create the gateway service on NVP platform and corresponding data structures in Quantum datase'
def create_network_gateway(self, context, network_gateway):
gw_data = network_gateway[networkgw.RESOURCE_NAME.replace('-', '_')] tenant_id = self._get_tenant_id_for_create(context, gw_data) cluster = self._find_target_cluster(gw_data) devices = gw_data['devices'] for device in devices: if (not device.get('interface_name')): device['interf...
'Remove a layer-2 network gateway Remove the gateway service from NVP platform and corresponding data structures in Quantum datase'
def delete_network_gateway(self, context, id):
with context.session.begin(subtransactions=True): try: super(NvpPluginV2, self).delete_network_gateway(context, id) nvplib.delete_l2_gw_service(self.default_cluster, id) except NvpApiClient.ResourceNotFound: LOG.exception(_('Unable to remove gateway se...
'Create security group. If default_sg is true that means a we are creating a default security group and we don\'t need to check if one exists.'
def create_security_group(self, context, security_group, default_sg=False):
s = security_group.get('security_group') tenant_id = self._get_tenant_id_for_create(context, s) if (not default_sg): self._ensure_default_security_group(context, tenant_id) nvp_secgroup = nvplib.create_security_profile(self.default_cluster, tenant_id, s) security_group['security_group']['id'...
'Delete a security group :param security_group_id: security group rule to remove.'
def delete_security_group(self, context, security_group_id):
with context.session.begin(subtransactions=True): security_group = super(NvpPluginV2, self).get_security_group(context, security_group_id) if (not security_group): raise ext_sg.SecurityGroupNotFound(id=security_group_id) if (security_group['name'] == 'default'): raise...
'create a single security group rule'
def create_security_group_rule(self, context, security_group_rule):
bulk_rule = {'security_group_rules': [security_group_rule]} return self.create_security_group_rule_bulk(context, bulk_rule)[0]
'create security group rules :param security_group_rule: list of rules to create'
def create_security_group_rule_bulk(self, context, security_group_rule):
s = security_group_rule.get('security_group_rules') tenant_id = self._get_tenant_id_for_create(context, s) with context.session.begin(subtransactions=True): self._ensure_default_security_group(context, tenant_id) security_group_id = self._validate_security_group_rules(context, security_group...
'Delete a security group rule :param sgrid: security group id to remove.'
def delete_security_group_rule(self, context, sgrid):
with context.session.begin(subtransactions=True): security_group_rule = super(NvpPluginV2, self).get_security_group_rule(context, sgrid) if (not security_group_rule): raise ext_sg.SecurityGroupRuleNotFound(id=sgrid) sgid = security_group_rule['security_group_id'] current_...
'This function determines if a port should be associated with a queue. It works by first querying NetworkQueueMapping to determine if the network is associated with a queue. If so, then it queries NetworkQueueMapping for all the networks that are associated with this queue. Next, it queries against all the ports on the...
def _check_for_queue_and_create(self, context, port):
queue_to_create = None if ((not port.get('device_id')) or port['device_owner'].startswith('network:')): return filters = {'network_id': [port['network_id']]} network_queue_id = self._get_network_queue_bindings(context, filters, ['queue_id']) if network_queue_id: filters = {'queue_id'...
'Convert fields to nvp fields.'
def _nvp_lqueue(self, queue):
nvp_queue = {} params = {'name': 'display_name', 'qos_marking': 'qos_marking', 'min': 'min_bandwidth_rate', 'max': 'max_bandwidth_rate', 'dscp': 'dscp'} nvp_queue = dict(((nvp_name, queue.get(api_name)) for (api_name, nvp_name) in params.iteritems() if attr.is_attr_set(queue.get(api_name)))) if ('displa...
'Returns Ext Resources'
@classmethod def get_resources(cls):
plugin = manager.QuantumManager.get_plugin() params = RESOURCE_ATTRIBUTE_MAP.get(COLLECTION_NAME, dict()) member_actions = {'connect_network': 'PUT', 'disconnect_network': 'PUT'} quota.QUOTAS.register_resource_by_name(RESOURCE_NAME) controller = base.create_resource(COLLECTION_NAME, RESOURCE_NAME, p...
'Returns Ext Resources'
@classmethod def get_resources(cls):
exts = [] plugin = manager.QuantumManager.get_plugin() resource_name = 'qos_queue' collection_name = (resource_name.replace('_', '-') + 's') params = RESOURCE_ATTRIBUTE_MAP.get((resource_name + 's'), dict()) controller = base.create_resource(collection_name, resource_name, plugin, params, allow_...
'Constructor. :param api_providers: a list of tuples in the form: (host, port, is_ssl=True). Passed on to NvpClientEventlet. :param user: the login username. :param password: the login password. :param concurrent_connections: the number of concurrent connections. :param request_timeout: all operations (including retrie...
def __init__(self, api_providers, user, password, request_timeout, http_timeout, retries, redirects, concurrent_connections=3, nvp_gen_timeout=(-1)):
client_eventlet.NvpApiClientEventlet.__init__(self, api_providers, user, password, concurrent_connections, nvp_gen_timeout) self._request_timeout = request_timeout self._http_timeout = http_timeout self._retries = retries self._redirects = redirects self._nvp_version = None
'Login to NVP controller. Assumes same password is used for all controllers. :param user: NVP controller user (usually admin). Provided for backwards compatability. In the normal mode of operation this should be None. :param password: NVP controller password. Provided for backwards compatability. In the normal mode of...
def login(self, user=None, password=None):
if user: self._user = user if password: self._password = password return client_eventlet.NvpApiClientEventlet._login(self)
'Issues request to controller.'
def request(self, method, url, body='', content_type='application/json'):
g = request_eventlet.NvpGenericRequestEventlet(self, method, url, body, content_type, auto_login=True, request_timeout=self._request_timeout, http_timeout=self._http_timeout, retries=self._retries, redirects=self._redirects) g.start() response = g.join() LOG.debug(_('NVPApiHelper.request() returns ...
'Constructor.'
def __init__(self, nvp_api_client, url, method='GET', body=None, headers=None, request_timeout=request.DEFAULT_REQUEST_TIMEOUT, retries=request.DEFAULT_RETRIES, auto_login=True, redirects=request.DEFAULT_REDIRECTS, http_timeout=request.DEFAULT_HTTP_TIMEOUT, client_conn=None):
self._api_client = nvp_api_client self._url = url self._method = method self._body = body self._headers = (headers or {}) self._request_timeout = request_timeout self._retries = retries self._auto_login = auto_login self._redirects = redirects self._http_timeout = http_timeout ...
'Allocate a green thread from the class pool.'
@classmethod def _spawn(cls, func, *args, **kwargs):
return cls.API_REQUEST_POOL.spawn(func, *args, **kwargs)
'Spawn a new green thread with the supplied function and args.'
def spawn(self, func, *args, **kwargs):
return self.__class__._spawn(func, *args, **kwargs)
'Wait for all outstanding requests to complete.'
@classmethod def joinall(cls):
return cls.API_REQUEST_POOL.waitall()
'Wait for instance green thread to complete.'
def join(self):
if (self._green_thread is not None): return self._green_thread.wait() return Exception(_('Joining an invalid green thread'))
'Start request processing.'
def start(self):
self._green_thread = self.spawn(self._run)
'Return a copy of this request instance.'
def copy(self):
return NvpApiRequestEventlet(self._api_client, self._url, self._method, self._body, self._headers, self._request_timeout, self._retries, self._auto_login, self._redirects, self._http_timeout)
'Method executed within green thread.'
def _run(self):
if self._request_timeout: with eventlet.timeout.Timeout(self._request_timeout, False): return self._handle_request() LOG.info(_('[%d] Request timeout.'), self._rid()) self._request_error = Exception(_('Request timeout')) return None else: return self....
'First level request handling.'
def _handle_request(self):
attempt = 0 response = None while ((response is None) and (attempt <= self._retries)): attempt += 1 req = self.spawn(self._issue_request).wait() if isinstance(req, httplib.HTTPResponse): if ((attempt <= self._retries) and (not self._abort)): if ((req.statu...
'Parse api_providers from response. Returns: api_providers in [(host, port, is_ssl), ...] format'
def api_providers(self):
def _provider_from_listen_addr(addr): parts = addr.split(':') return (parts[1], int(parts[2]), (parts[0] == 'pssl')) try: if self.successful(): ret = [] body = json.loads(self.value.body) for node in body.get('results', []): for role in...
'Check out an available HTTPConnection instance. Blocks until a connection is available. :auto_login: automatically logins before returning conn :headers: header to pass on to login attempt :param rid: request id passed in from request eventlet. :returns: An available HTTPConnection instance or None if no api_providers...
def acquire_connection(self, auto_login=True, headers=None, rid=(-1)):
if (not self._api_providers): LOG.warn(_('[%d] no API providers currently available.'), rid) return None if self._conn_pool.empty(): LOG.debug(_('[%d] Waiting to acquire API client connection.'), rid) (priority, conn) = self._conn_pool.get() now =...
'Mark HTTPConnection instance as available for check-out. :param http_conn: An HTTPConnection instance obtained from this instance. :param bad_state: True if http_conn is known to be in a bad state (e.g. connection fault.) :service_unavail: True if http_conn returned 503 response. :param rid: request id passed in from ...
def release_connection(self, http_conn, bad_state=False, service_unavail=False, rid=(-1)):
conn_params = self._conn_params(http_conn) if (self._conn_params(http_conn) not in self._api_providers): LOG.debug(_('[%(rid)d] Released connection %(conn)s is not an API provider for the cluster'), {'rid': rid, 'conn': _conn_str(http_conn)}) return elif hasa...
'Block until a login has occurred for the current API provider.'
def _wait_for_login(self, conn, headers=None):
data = self._get_provider_data(conn) if (data is None): LOG.error(_("Login request for an invalid connection: '%s'"), _conn_str(conn)) return provider_sem = data[0] if provider_sem.acquire(blocking=False): try: cookie = self._login(conn, headers) ...
'Get data for specified API provider. Args: conn_or_conn_params: either a HTTP(S)Connection object or the resolved conn_params tuple returned by self._conn_params(). default: conn_params if ones passed aren\'t known Returns: Data associated with specified provider'
def _get_provider_data(self, conn_or_conn_params, default=None):
conn_params = self._normalize_conn_params(conn_or_conn_params) return self._api_provider_data.get(conn_params, default)
'Set data for specified API provider. Args: conn_or_conn_params: either a HTTP(S)Connection object or the resolved conn_params tuple returned by self._conn_params(). data: data to associate with API provider'
def _set_provider_data(self, conn_or_conn_params, data):
conn_params = self._normalize_conn_params(conn_or_conn_params) if (data is None): del self._api_provider_data[conn_params] else: self._api_provider_data[conn_params] = data
'Normalize conn_param tuple. Args: conn_or_conn_params: either a HTTP(S)Connection object or the resolved conn_params tuple returned by self._conn_params(). Returns: Normalized conn_param tuple'
def _normalize_conn_params(self, conn_or_conn_params):
if ((not isinstance(conn_or_conn_params, tuple)) and (not isinstance(conn_or_conn_params, httplib.HTTPConnection))): LOG.debug(_("Invalid conn_params value: '%s'"), str(conn_or_conn_params)) return conn_or_conn_params if isinstance(conn_or_conn_params, httplib.HTTPConnection): c...
'Constructor :param api_providers: a list of tuples of the form: (host, port, is_ssl). :param user: login username. :param password: login password. :param concurrent_connections: total number of concurrent connections. :param use_https: whether or not to use https for requests. :param connect_timeout: connection timeo...
def __init__(self, api_providers, user, password, concurrent_connections=client.DEFAULT_CONCURRENT_CONNECTIONS, nvp_gen_timeout=client.GENERATION_ID_TIMEOUT, use_https=True, connect_timeout=client.DEFAULT_CONNECT_TIMEOUT):
if (not api_providers): api_providers = [] self._api_providers = set([tuple(p) for p in api_providers]) self._api_provider_data = {} for p in self._api_providers: self._set_provider_data(p, (eventlet.semaphore.Semaphore(1), None)) self._user = user self._password = password s...
'Check out or create connection to redirected NVP API server. Args: conn_params: tuple specifying target of redirect, see self._conn_params() auto_login: returned connection should have valid session cookie headers: headers to pass on if auto_login Returns: An available HTTPConnection instance corresponding to the spec...
def acquire_redirect_connection(self, conn_params, auto_login=True, headers=None):
result_conn = None data = self._get_provider_data(conn_params) if data: conns = [] while (not self._conn_pool.empty()): (priority, conn) = self._conn_pool.get_nowait() if ((not result_conn) and (self._conn_params(conn) == conn_params)): conn.priority =...
'Issue login request and update authentication cookie.'
def _login(self, conn=None, headers=None):
cookie = None g = request_eventlet.NvpLoginRequestEventlet(self, self._user, self._password, conn, headers) g.start() ret = g.join() if ret: if isinstance(ret, Exception): LOG.error(_('NvpApiClient: login error "%s"'), ret) raise ret cookie = ret.geth...
'Issue a request to a provider.'
def _issue_request(self):
conn = (self._client_conn or self._api_client.acquire_connection(True, copy.copy(self._headers), rid=self._rid())) if (conn is None): error = Exception(_('No API connections available')) self._request_error = error return error url = self._url LOG.debug(_('[%(rid)d] I...
'Process redirect response, create new connection if necessary. Args: conn: connection that returned the redirect response headers: response headers of the redirect response allow_release_conn: if redirecting to a different server, release existing connection back to connection pool. Returns: Return tuple(conn, url) wh...
def _redirect_params(self, conn, headers, allow_release_conn=False):
url = None for (name, value) in headers: if (name.lower() == 'location'): url = value break if (not url): LOG.warn(_('[%d] Received redirect status without location header field'), self._rid()) return (conn, None) result = urlparse.url...
'Return current request id.'
def _rid(self):
return self._request_id
'Return any errors associated with this instance.'
@property def request_error(self):
return self._request_error
'Return string representation of connection.'
def _request_str(self, conn, url):
return ('%s %s/%s' % (self._method, _conn_str(conn), url))
'Pre-deletion check. Ensures a port will not be deleted if is being used by a network gateway. In that case an exception will be raised.'
def prevent_network_gateway_port_deletion(self, context, port):
if (port['device_owner'] == DEVICE_OWNER_NET_GW_INTF): raise NetworkGatewayPortInUse(port_id=port['id'], device_owner=port['device_owner'])
'Create network core Quantum API'
def create_network(self, context, network):
LOG.debug(_('QuantumPluginPLUMgrid Status: create_network() called')) tenant_id = self._get_tenant_id_for_create(context, network['network']) self._network_admin_state(network) with context.session.begin(subtransactions=True): net = super(QuantumPluginPLUMgridV2, self).create_network(co...
'Update network core Quantum API'
def update_network(self, context, net_id, network):
LOG.debug(_('QuantumPluginPLUMgridV2.update_network() called')) self._network_admin_state(network) tenant_id = self._get_tenant_id_for_create(context, network['network']) original_net = super(QuantumPluginPLUMgridV2, self).get_network(context, net_id) with context.session.begin(subtransactions=Tr...
'Delete network core Quantum API'
def delete_network(self, context, net_id):
LOG.debug(_('QuantumPluginPLUMgrid Status: delete_network() called')) super(QuantumPluginPLUMgridV2, self).get_network(context, net_id) with context.session.begin(subtransactions=True): net_deleted = super(QuantumPluginPLUMgridV2, self).delete_network(context, net_id) try: ...
'Create port core Quantum API'
def create_port(self, context, port):
LOG.debug(_('QuantumPluginPLUMgrid Status: create_port() called')) port['port']['admin_state_up'] = True return super(QuantumPluginPLUMgridV2, self).create_port(context, port)
'Update port core Quantum API'
def update_port(self, context, port_id, port):
LOG.debug(_('QuantumPluginPLUMgrid Status: update_port() called')) return super(QuantumPluginPLUMgridV2, self).update_port(context, port_id, port)
'Delete port core Quantum API'
def delete_port(self, context, port_id):
LOG.debug(_('QuantumPluginPLUMgrid Status: delete_port() called')) super(QuantumPluginPLUMgridV2, self).delete_port(context, port_id)
'Create subnet core Quantum API'
def create_subnet(self, context, subnet):
LOG.debug(_('QuantumPluginPLUMgrid Status: create_subnet() called')) with context.session.begin(subtransactions=True): subnet = super(QuantumPluginPLUMgridV2, self).create_subnet(context, subnet) subnet_details = self._get_subnet(context, subnet['id']) net_id = subnet_details['n...
'Delete subnet core Quantum API'
def delete_subnet(self, context, subnet_id):
LOG.debug(_('QuantumPluginPLUMgrid Status: delete_subnet() called')) subnet_details = self._get_subnet(context, subnet_id) with context.session.begin(subtransactions=True): del_subnet = super(QuantumPluginPLUMgridV2, self).delete_subnet(context, subnet_id) try: headers =...
'Update subnet core Quantum API'
def update_subnet(self, context, subnet_id, subnet):
LOG.debug(_('update_subnet() called')) initial_subnet = self._get_subnet(context, subnet_id) net_id = initial_subnet['network_id'] tenant_id = initial_subnet['tenant_id'] with context.session.begin(subtransactions=True): new_subnet = super(QuantumPluginPLUMgridV2, self).update_subnet(cont...
'Check if ethernet device exists.'
def device_exists(self, device):
try: utils.execute(['ip', 'link', 'show', 'dev', device], root_helper=self.root_helper) except RuntimeError: return False return True
'Create a vlan and bridge unless they already exist.'
def ensure_vlan_bridge(self, network_id, physical_interface, vlan_id):
interface = self.ensure_vlan(physical_interface, vlan_id) bridge_name = self.get_bridge_name(network_id) self.ensure_bridge(bridge_name, interface) return interface
'Create a non-vlan bridge unless it already exists.'
def ensure_flat_bridge(self, network_id, physical_interface):
bridge_name = self.get_bridge_name(network_id) (ips, gateway) = self.get_interface_details(physical_interface) self.ensure_bridge(bridge_name, physical_interface, ips, gateway) return physical_interface
'Create a local bridge unless it already exists.'
def ensure_local_bridge(self, network_id):
bridge_name = self.get_bridge_name(network_id) self.ensure_bridge(bridge_name)
'Create a vlan unless it already exists.'
def ensure_vlan(self, physical_interface, vlan_id):
interface = self.get_subinterface_name(physical_interface, vlan_id) if (not self.device_exists(interface)): LOG.debug(_('Creating subinterface %(interface)s for VLAN %(vlan_id)s on interface %(physical_interface)s'), locals()) if utils.execute(['ip', 'link', 'add', 'link'...
'Create a bridge unless it already exists.'
def ensure_bridge(self, bridge_name, interface=None, ips=None, gateway=None):
if (not self.device_exists(bridge_name)): LOG.debug(_('Starting bridge %(bridge_name)s for subinterface %(interface)s'), locals()) if utils.execute(['brctl', 'addbr', bridge_name], root_helper=self.root_helper): return if utils.execute(['brctl', 'setfd', bridge_nam...
'If a VIF has been plugged into a network, this function will add the corresponding tap device to the relevant bridge'
def add_tap_interface(self, network_id, physical_network, vlan_id, tap_device_name):
if (not self.device_exists(tap_device_name)): LOG.debug(_('Tap device: %s does not exist on this host, skipped'), tap_device_name) return False bridge_name = self.get_bridge_name(network_id) if (int(vlan_id) == lconst.LOCAL_VLAN_ID): self.ensure_local_bridg...
'Get the rpc dispatcher for this manager. If a manager would like to set an rpc API version, or support more than one class as the target of rpc messages, override this method.'
def create_rpc_dispatcher(self):
return dispatcher.RpcDispatcher([self])
'Get the rpc dispatcher for this manager. If a manager would like to set an rpc API version, or support more than one class as the target of rpc messages, override this method.'
def create_rpc_dispatcher(self):
return q_rpc.PluginRpcDispatcher([self, agents_db.AgentExtRpcCallback()])