545 lines
22 KiB
Python
545 lines
22 KiB
Python
import json
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import etcd
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import os
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from gluon.backends.backend_base import Manager
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from oslo_log import helpers as log_helpers
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from oslo_log import log
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from neutron.plugins.ml2.plugin import Ml2Plugin
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class MyData:
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pass
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PluginData = MyData()
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PluginData.etcd_port = 2379
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PluginData.etcd_host = '127.0.0.1'
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PluginData.gluon_base = "/gluon/port"
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PluginData.proton_port = 2704
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PluginData.proton_host = '127.0.0.1'
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LOG = log.getLogger(__name__)
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class GluonPlugin(Ml2Plugin):
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def __init__(self):
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super(GluonPlugin, self).__init__()
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self.backend_manager = Manager()
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self.gluon_network = None
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self.gluon_subnet = None
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self.etcd_client = etcd.Client(host=PluginData.etcd_host, port=PluginData.etcd_port)
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@log_helpers.log_method_call
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def check_gluon_port(self, id):
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"""Get Gluon Port Info
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Check to see if port is a gluon port. If so, return service, url, and tenant_id.
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Otherwise, it is a Neutron port. Return None
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:param id: UUID of Port
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"""
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try:
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return json.loads(self.etcd_client.get(PluginData.gluon_base + '/' + id).value)
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except etcd.EtcdKeyNotFound:
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LOG.debug("Not a gluon port: %s" % id)
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except etcd.EtcdException:
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LOG.error("Cannot connect to etcd, make sure that etcd is running.")
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except Exception as e:
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LOG.error("Unkown exception:", e)
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return None
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@log_helpers.log_method_call
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def get_gluon_port(self, backend, id, fields):
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result = dict()
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try:
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driver = self.backend_manager.get_backend_driver(backend, self.gluon_network, self.gluon_subnet)
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port = driver.port(id)
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if fields is None or len(fields) == 0:
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result = port
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else:
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result["id"] = id
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for field in fields:
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result[field] = port.get(field, "")
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except:
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LOG.debug("Port not found")
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return result
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@log_helpers.log_method_call
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def append_gluon_ports(self, context, filters, result):
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LOG.debug("Context.tenant_id = %s" % context.tenant_id)
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directory = self.etcd_client.read(PluginData.gluon_base)
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current_service = None
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driver = None
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for keydata in directory.children:
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id = os.path.basename(keydata.key)
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LOG.debug("id = %s" % id)
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meta = json.loads(keydata.value)
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if current_service != meta['service']:
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current_service = meta['service']
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driver = self.backend_manager.get_backend_driver(meta, self.gluon_network, self.gluon_subnet)
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port = driver.port(id)
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LOG.debug("port = %s" % port)
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if filters is not None:
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found = True
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for field, values in filters.items():
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testval = port.get(field,'')
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LOG.debug("field = %s" % field)
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LOG.debug("testval = %s" % testval)
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LOG.debug("values = %s" % values)
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found = testval in values
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if not found:
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break
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if found:
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result.append(port)
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else:
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result.append(port)
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@log_helpers.log_method_call
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def update_gluon_port(self, backend, id, port):
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result = dict()
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try:
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driver = self.backend_manager.get_backend_driver(backend, self.gluon_network, self.gluon_subnet)
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port_data = port["port"]
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host_id = port_data.get('binding:host_id', None)
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LOG.debug("host_id = %s" % host_id)
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if host_id is None:
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LOG.debug("Performing unbind")
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result = driver.unbind(id)
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else:
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LOG.debug("Performing bind")
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device_owner = port_data.get('device_owner', '')
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zone = 'nova' #??
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device_id = port_data.get('device_id', '')
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binding_profile = port_data.get('binding:profile', None)
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result = driver.bind(id, device_owner, zone, device_id, host_id, binding_profile)
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except Exception as e:
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LOG.debug("Port bind/ubind failed")
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raise e
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return result
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# @log_helpers.log_method_call
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def update_gluon_objects(self, context):
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if self.gluon_network is None:
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nets = super(GluonPlugin, self).get_networks(context)
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for net in nets:
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if net["name"] == 'GluonNetwork':
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self.gluon_network = net["id"]
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LOG.debug("Found gluon network %s" % self.gluon_network)
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break
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if self.gluon_subnet is None:
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subnets = super(GluonPlugin, self).get_subnets(context)
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for subnet in subnets:
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if subnet["name"] == 'GluonSubnet':
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self.gluon_subnet = subnet["id"]
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LOG.debug("Found gluon subnet %s" % self.gluon_subnet)
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break
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@log_helpers.log_method_call
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def create_subnet(self, context, subnet):
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"""Create a subnet.
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Create a subnet, which represents a range of IP addresses
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that can be allocated to devices
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:param context: neutron api request context
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:param subnet: dictionary describing the subnet, with keys
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as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP` object
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in :file:`neutron/api/v2/attributes.py`. All keys will
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be populated.
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"""
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result = super(GluonPlugin, self).create_subnet(context, subnet)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def update_subnet(self, context, id, subnet):
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"""Update values of a subnet.
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:param context: neutron api request context
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:param id: UUID representing the subnet to update.
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:param subnet: dictionary with keys indicating fields to update.
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valid keys are those that have a value of True for
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'allow_put' as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`.
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"""
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result = super(GluonPlugin, self).update_subnet(context, id, subnet)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_subnet(self, context, id, fields=None):
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"""Retrieve a subnet.
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:param context: neutron api request context
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:param id: UUID representing the subnet to fetch.
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:param fields: a list of strings that are valid keys in a
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subnet dictionary as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Only these fields
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will be returned.
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"""
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result = super(GluonPlugin, self).get_subnet(context, id, fields)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_subnets(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None, page_reverse=False):
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"""Retrieve a list of subnets.
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The contents of the list depends on
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the identity of the user making the request (as indicated by the
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context) as well as any filters.
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:param context: neutron api request context
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:param filters: a dictionary with keys that are valid keys for
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a subnet as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP`
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object in :file:`neutron/api/v2/attributes.py`.
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Values in this dictionary are an iterable containing
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values that will be used for an exact match comparison
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for that value. Each result returned by this
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function will have matched one of the values for each
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key in filters.
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:param fields: a list of strings that are valid keys in a
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subnet dictionary as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Only these fields
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will be returned.
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"""
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self.update_gluon_objects(context)
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result = super(GluonPlugin, self).get_subnets(context, filters, fields,
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sorts, limit, marker, page_reverse)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_subnets_count(self, context, filters=None):
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"""Return the number of subnets.
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The result depends on the identity of
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the user making the request (as indicated by the context) as well as
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any filters.
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:param context: neutron api request context
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:param filters: a dictionary with keys that are valid keys for
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a network as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Values in this
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dictionary are an iterable containing values that
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will be used for an exact match comparison for that
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value. Each result returned by this function will
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have matched one of the values for each key in filters.
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.. note:: this method is optional, as it was not part of the originally
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defined plugin API.
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"""
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result = super(GluonPlugin, self).get_subnets_count(context, filters)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def delete_subnet(self, context, id):
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"""Delete a subnet.
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:param context: neutron api request context
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:param id: UUID representing the subnet to delete.
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"""
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result = super(GluonPlugin, self).delete_subnet(context, id)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def create_subnetpool(self, context, subnetpool):
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"""Create a subnet pool.
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:param context: neutron api request context
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:param subnetpool: Dictionary representing the subnetpool to create.
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"""
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result = super(GluonPlugin, self).create_subnetpool(context, subnetpool)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def update_subnetpool(self, context, id, subnetpool):
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"""Update a subnet pool.
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:param context: neutron api request context
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:param subnetpool: Dictionary representing the subnetpool attributes
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to update.
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"""
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result = super(GluonPlugin, self).update_subnetpool(context, id, subnetpool)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_subnetpool(self, context, id, fields=None):
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"""Show a subnet pool.
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:param context: neutron api request context
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:param id: The UUID of the subnetpool to show.
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"""
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result = super(GluonPlugin, self).get_subnetpool(context, id, fields)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_subnetpools(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None,
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page_reverse=False):
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"""Retrieve list of subnet pools."""
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result = super(GluonPlugin, self).get_subnetpools(context, filters, fields,
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sorts, limit, marker, page_reverse)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def delete_subnetpool(self, context, id):
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"""Delete a subnet pool.
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:param context: neutron api request context
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:param id: The UUID of the subnet pool to delete.
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"""
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result = super(GluonPlugin, self).delete_subnetpool(context, id)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def create_network(self, context, network):
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"""Create a network.
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Create a network, which represents an L2 network segment which
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can have a set of subnets and ports associated with it.
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:param context: neutron api request context
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:param network: dictionary describing the network, with keys
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as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP` object
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in :file:`neutron/api/v2/attributes.py`. All keys will
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be populated.
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"""
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result = super(GluonPlugin, self).create_network(context, network)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def update_network(self, context, id, network):
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"""Update values of a network.
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:param context: neutron api request context
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:param id: UUID representing the network to update.
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:param network: dictionary with keys indicating fields to update.
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valid keys are those that have a value of True for
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'allow_put' as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`.
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"""
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result = super(GluonPlugin, self).update_network(context, id, network)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_network(self, context, id, fields=None):
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"""Retrieve a network.
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:param context: neutron api request context
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:param id: UUID representing the network to fetch.
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:param fields: a list of strings that are valid keys in a
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network dictionary as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Only these fields
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will be returned.
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"""
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result = super(GluonPlugin, self).get_network(context, id, fields)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_networks(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None, page_reverse=False):
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"""Retrieve a list of networks.
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The contents of the list depends on
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the identity of the user making the request (as indicated by the
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context) as well as any filters.
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:param context: neutron api request context
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:param filters: a dictionary with keys that are valid keys for
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a network as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Values in this
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dictionary are an iterable containing values that will
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be used for an exact match comparison for that value.
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Each result returned by this function will have matched
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one of the values for each key in filters.
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:param fields: a list of strings that are valid keys in a
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network dictionary as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Only these fields
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will be returned.
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"""
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self.update_gluon_objects(context)
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result = super(GluonPlugin, self).get_networks(context, filters, fields,
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sorts, limit, marker, page_reverse)
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return result
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@log_helpers.log_method_call
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def get_networks_count(self, context, filters=None):
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"""Return the number of networks.
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The result depends on the identity
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of the user making the request (as indicated by the context) as well
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as any filters.
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:param context: neutron api request context
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:param filters: a dictionary with keys that are valid keys for
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a network as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object
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in :file:`neutron/api/v2/attributes.py`. Values in
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this dictionary are an iterable containing values that
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will be used for an exact match comparison for that
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value. Each result returned by this function will have
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matched one of the values for each key in filters.
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NOTE: this method is optional, as it was not part of the originally
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defined plugin API.
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"""
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result = super(GluonPlugin, self).get_networks_count(context, filters)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def delete_network(self, context, id):
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"""Delete a network.
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:param context: neutron api request context
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:param id: UUID representing the network to delete.
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"""
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result = super(GluonPlugin, self).delete_network(context, id)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def create_port(self, context, port):
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"""Create a port.
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Create a port, which is a connection point of a device (e.g., a VM
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NIC) to attach to a L2 neutron network.
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:param context: neutron api request context
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:param port: dictionary describing the port, with keys as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. All keys will be
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populated.
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"""
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self.update_gluon_objects(context)
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result = super(GluonPlugin, self).create_port(context, port)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def update_port(self, context, id, port):
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"""Update values of a port.
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:param context: neutron api request context
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:param id: UUID representing the port to update.
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:param port: dictionary with keys indicating fields to update.
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valid keys are those that have a value of True for
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'allow_put' as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP`
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object in :file:`neutron/api/v2/attributes.py`.
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"""
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backend = self.check_gluon_port(id)
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if backend is None:
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result = super(GluonPlugin, self).update_port(context, id, port)
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else:
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result = self.update_gluon_port(backend, id, port)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_port(self, context, id, fields=None):
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"""Retrieve a port.
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:param context: neutron api request context
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:param id: UUID representing the port to fetch.
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:param fields: a list of strings that are valid keys in a port
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dictionary as listed in the
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:obj:`RESOURCE_ATTRIBUTE_MAP` object in
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:file:`neutron/api/v2/attributes.py`. Only these fields
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will be returned.
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"""
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backend = self.check_gluon_port(id)
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if backend is None:
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result = super(GluonPlugin, self).get_port(context, id, fields)
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else:
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result = self.get_gluon_port(backend, id, fields)
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LOG.debug(result)
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return result
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@log_helpers.log_method_call
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def get_ports(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None, page_reverse=False):
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"""Retrieve a list of ports.
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The contents of the list depends on the identity of the user making
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the request (as indicated by the context) as well as any filters.
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:param context: neutron api request context
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:param filters: a dictionary with keys that are valid keys for
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a port as listed in the :obj:`RESOURCE_ATTRIBUTE_MAP`
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object in :file:`neutron/api/v2/attributes.py`. Values
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in this dictionary are an iterable containing values
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|
that will be used for an exact match comparison for
|
|
that value. Each result returned by this function will
|
|
have matched one of the values for each key in filters.
|
|
:param fields: a list of strings that are valid keys in a
|
|
port dictionary as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Only these fields
|
|
will be returned.
|
|
"""
|
|
self.update_gluon_objects(context)
|
|
result = super(GluonPlugin, self).get_ports(context, filters, fields,
|
|
sorts, limit, marker, page_reverse)
|
|
self.append_gluon_ports(context, filters, result)
|
|
LOG.debug(result)
|
|
return result
|
|
|
|
@log_helpers.log_method_call
|
|
def get_ports_count(self, context, filters=None):
|
|
"""Return the number of ports.
|
|
|
|
The result depends on the identity of the user making the request
|
|
(as indicated by the context) as well as any filters.
|
|
|
|
:param context: neutron api request context
|
|
:param filters: a dictionary with keys that are valid keys for
|
|
a network as listed in the
|
|
:obj:`RESOURCE_ATTRIBUTE_MAP` object in
|
|
:file:`neutron/api/v2/attributes.py`. Values in this
|
|
dictionary are an iterable containing values that will
|
|
be used for an exact match comparison for that value.
|
|
Each result returned by this function will have matched
|
|
one of the values for each key in filters.
|
|
|
|
.. note:: this method is optional, as it was not part of the originally
|
|
defined plugin API.
|
|
"""
|
|
result = super(GluonPlugin, self).get_ports_count(context, filters)
|
|
LOG.debug(result)
|
|
return result
|
|
|
|
@log_helpers.log_method_call
|
|
def delete_port(self, context, id, l3_port_check=True):
|
|
"""Delete a port.
|
|
|
|
:param context: neutron api request context
|
|
:param id: UUID representing the port to delete.
|
|
"""
|
|
result = super(GluonPlugin, self).delete_port(context, id, l3_port_check)
|
|
LOG.debug(result)
|
|
return result
|
|
|
|
|