def verify_subnet_exists(self, context, tenant_id, quantum_net_id):
"""Confirms that a subnet exists that is associated with the
specified Quantum Network UUID. Raises an exception if no
such subnet exists.
"""
admin_context = context.elevated()
db.network_get_by_uuid(admin_context, quantum_net_id)
def verify_subnet_exists(self, context, tenant_id, quantum_net_id):
"""Confirms that a subnet exists that is associated with the
specified Quantum Network UUID. Raises an exception if no
such subnet exists.
"""
admin_context = context.elevated()
db.network_get_by_uuid(admin_context, quantum_net_id)
def test_get_network_not_in_db(self):
context = self.mox.CreateMockAnything()
context.elevated().AndReturn('elevated')
self.mox.StubOutWithMock(db, 'network_get_by_uuid')
self.net_man.context = context
db.network_get_by_uuid('elevated', 'quantum_net_id').AndReturn(None)
self.mox.ReplayAll()
network = self.net_man.get_network(context,
('quantum_net_id', 'net_tenant_id'))
self.assertEquals(network['quantum_net_id'], 'quantum_net_id')
self.assertEquals(network['uuid'], 'quantum_net_id')
def test_get_network_not_in_db(self):
context = self.mox.CreateMockAnything()
context.elevated().AndReturn('elevated')
self.mox.StubOutWithMock(db, 'network_get_by_uuid')
self.net_man.context = context
db.network_get_by_uuid('elevated', 'quantum_net_id').AndReturn(None)
self.mox.ReplayAll()
network = self.net_man.get_network(context, ('quantum_net_id',
'net_tenant_id'))
self.assertEquals(network['quantum_net_id'], 'quantum_net_id')
self.assertEquals(network['uuid'], 'quantum_net_id')
def test_get_networks_by_tenant_gets_all_networks(self):
block_list = self._block_list(network_id='net_1')
block_list['ip_blocks'] += self._block_list(
network_id='net_2')['ip_blocks']
self.m_conn.get_blocks('tenant_id').AndReturn(block_list)
self.mox.StubOutWithMock(db, 'network_get_by_uuid')
db.network_get_by_uuid('admin_context', 'net_1').AndReturn('network1')
db.network_get_by_uuid('admin_context', 'net_2').AndReturn('network2')
self.mox.ReplayAll()
values = self.ipam.get_networks_by_tenant('admin_context', 'tenant_id')
self.assertEquals(values, ['network1', 'network2'])
def test_get_networks_by_tenant_gets_all_networks(self):
block_list = self._block_list(network_id='net_1')
block_list['ip_blocks'] += self._block_list(
network_id='net_2')['ip_blocks']
self.m_conn.get_blocks('tenant_id').AndReturn(block_list)
self.mox.StubOutWithMock(db, 'network_get_by_uuid')
db.network_get_by_uuid('admin_context', 'net_1').AndReturn('network1')
db.network_get_by_uuid('admin_context', 'net_2').AndReturn('network2')
self.mox.ReplayAll()
values = self.ipam.get_networks_by_tenant('admin_context', 'tenant_id')
self.assertEquals(values, ['network1', 'network2'])
def get_project_and_global_net_ids(self, context, project_id):
"""Fetches all networks associated with this project, or
that are "global" (i.e., have no project set).
Returns list sorted by 'priority' (lowest integer value
is highest priority).
"""
if project_id is None:
raise Exception(
_("get_project_and_global_net_ids must be called"
" with a non-null project_id"))
admin_context = context.elevated()
# Decorate with priority
priority_nets = []
for tenant_id in (project_id, FLAGS.quantum_default_tenant_id):
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks['ip_blocks']:
network_id = ip_block['network_id']
network = db.network_get_by_uuid(admin_context, network_id)
if network:
priority = network['priority']
priority_nets.append((priority, network_id, tenant_id))
# Sort by priority
priority_nets.sort()
# Undecorate
return [(network_id, tenant_id)
for priority, network_id, tenant_id in priority_nets]
def get_project_and_global_net_ids(self, context, project_id):
"""Fetches all networks associated with this project, or
that are "global" (i.e., have no project set).
Returns list sorted by 'priority' (lowest integer value
is highest priority).
"""
if project_id is None:
raise Exception(_("get_project_and_global_net_ids must be called"
" with a non-null project_id"))
admin_context = context.elevated()
# Decorate with priority
priority_nets = []
for tenant_id in (project_id, FLAGS.quantum_default_tenant_id):
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks['ip_blocks']:
network_id = ip_block['network_id']
network = db.network_get_by_uuid(admin_context, network_id)
if network:
priority = network['priority']
priority_nets.append((priority, network_id, tenant_id))
# Sort by priority
priority_nets.sort()
# Undecorate
return [(network_id, tenant_id)
for priority, network_id, tenant_id in priority_nets]
def get_subnets_by_net_id(self, context, tenant_id, net_id, _vif_id=None):
"""Returns information about the IPv4 and IPv6 subnets
associated with a Quantum Network UUID.
"""
n = db.network_get_by_uuid(context.elevated(), net_id)
subnet_v4 = {
'network_id': n['uuid'],
'cidr': n['cidr'],
'gateway': n['gateway'],
'broadcast': n['broadcast'],
'netmask': n['netmask'],
'version': 4,
'dns1': n['dns1'],
'dns2': n['dns2']}
#TODO(tr3buchet): I'm noticing we've assumed here that all dns is v4.
# this is probably bad as there is no way to add v6
# dns to nova
subnet_v6 = {
'network_id': n['uuid'],
'cidr': n['cidr_v6'],
'gateway': n['gateway_v6'],
'broadcast': None,
'netmask': n['netmask_v6'],
'version': 6,
'dns1': None,
'dns2': None}
return [subnet_v4, subnet_v6]
def test_create_net_external_uuid_and_host_is_set(self):
"""Make sure network['host'] is set when creating a network via the
network manager"""
project_id = "foo_project"
ctx = context.RequestContext('user1', project_id)
net_id = self.net_man.q_conn.create_network(project_id, 'net2')
self.net_man.create_networks(ctx,
label='achtungbaby2',
cidr="9.9.8.0/24",
multi_host=False,
num_networks=1,
network_size=256,
cidr_v6=None,
gateway="9.9.8.1",
gateway_v6=None,
bridge=None,
bridge_interface=None,
dns1="8.8.8.8",
project_id=project_id,
priority=8,
uuid=net_id)
net = db.network_get_by_uuid(ctx.elevated(), net_id)
self.assertTrue(net is not None)
self.assertEquals(net['uuid'], net_id)
self.assertTrue(net['host'] != None)
def test_create_net_external_uuid(self):
"""Tests use case where network can be created directly via
Quantum API, then the UUID is passed in via nova-manage"""
project_id = "foo_project"
ctx = context.RequestContext('user1', project_id)
net_id = self.net_man.q_conn.create_network(project_id, 'net1')
self.net_man.create_networks(
ctx,
label='achtungbaby',
cidr="9.9.9.0/24",
multi_host=False,
num_networks=1,
network_size=256,
cidr_v6=None,
gateway="9.9.9.1",
gateway_v6=None,
bridge=None,
bridge_interface=None,
dns1="8.8.8.8",
project_id=project_id,
priority=9,
uuid=net_id)
net = db.network_get_by_uuid(ctx.elevated(), net_id)
self.assertTrue(net is not None)
self.assertEquals(net['uuid'], net_id)
def get_subnets_by_net_id(self, context, tenant_id, net_id, _vif_id=None):
"""Returns information about the IPv4 and IPv6 subnets
associated with a Quantum Network UUID.
"""
n = db.network_get_by_uuid(context.elevated(), net_id)
subnet_v4 = {
"network_id": n["uuid"],
"cidr": n["cidr"],
"gateway": n["gateway"],
"broadcast": n["broadcast"],
"netmask": n["netmask"],
"version": 4,
"dns1": n["dns1"],
"dns2": n["dns2"],
}
# TODO(tr3buchet): I'm noticing we've assumed here that all dns is v4.
# this is probably bad as there is no way to add v6
# dns to nova
subnet_v6 = {
"network_id": n["uuid"],
"cidr": n["cidr_v6"],
"gateway": n["gateway_v6"],
"broadcast": None,
"netmask": n["netmask_v6"],
"version": 6,
"dns1": None,
"dns2": None,
}
return [subnet_v4, subnet_v6]
def test_create_net_external_uuid(self):
"""Tests use case where network can be created directly via
Quantum API, then the UUID is passed in via nova-manage"""
project_id = "foo_project"
ctx = context.RequestContext('user1', project_id)
net_id = self.net_man.q_conn.create_network(project_id, 'net1')
self.net_man.create_networks(
ctx,
label='achtungbaby',
cidr="9.9.9.0/24",
multi_host=False,
num_networks=1,
network_size=256,
cidr_v6=None,
gateway="9.9.9.1",
gateway_v6=None,
bridge=None,
bridge_interface=None,
dns1="8.8.8.8",
project_id=project_id,
priority=9,
uuid=net_id)
net = db.network_get_by_uuid(ctx.elevated(), net_id)
self.assertTrue(net is not None)
self.assertEquals(net['uuid'], net_id)
def get_subnets_by_net_id(self, context, tenant_id, net_id, _vif_id=None):
"""Returns information about the IPv4 and IPv6 subnets
associated with a Neutron Network UUID.
"""
n = db.network_get_by_uuid(context.elevated(), net_id)
subnet_v4 = {
'network_id': n['uuid'],
'cidr': n['cidr'],
'gateway': n['gateway'],
'broadcast': n['broadcast'],
'netmask': n['netmask'],
'version': 4,
'dns1': n['dns1'],
'dns2': n['dns2']}
#TODO(tr3buchet): I'm noticing we've assumed here that all dns is v4.
# this is probably bad as there is no way to add v6
# dns to nova
subnet_v6 = {
'network_id': n['uuid'],
'cidr': n['cidr_v6'],
'gateway': n['gateway_v6'],
'broadcast': None,
'netmask': n['netmask_v6'],
'version': 6,
'dns1': None,
'dns2': None}
return [subnet_v4, subnet_v6]
def _update_network_host(self, context, net_uuid):
"""Set the host column in the networks table: note that this won't
work with multi-host but QuantumManager doesn't support that
anyways. The floating IPs mixin required network['host'] to be
set."""
entry = db.network_get_by_uuid(context.elevated(), net_uuid)
entry['host'] = self.host
db.network_update(context.elevated(), entry['id'], entry)
def get_networks_by_tenant(self, admin_context, tenant_id):
nets = {}
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks['ip_blocks']:
network_id = ip_block['network_id']
network = db.network_get_by_uuid(admin_context, network_id)
nets[network_id] = network
return nets.values()
def _update_network_host(self, context, net_uuid):
"""Set the host column in the networks table: note that this won't
work with multi-host but QuantumManager doesn't support that
anyways. The floating IPs mixin required network['host'] to be
set."""
entry = db.network_get_by_uuid(context.elevated(), net_uuid)
entry['host'] = self.host
db.network_update(context.elevated(), entry['id'], entry)
def get_networks_by_tenant(self, admin_context, tenant_id):
nets = []
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks['ip_blocks']:
network_id = ip_block['network_id']
network = db.network_get_by_uuid(admin_context, network_id)
nets.append(network)
return nets
def get_networks_by_tenant(self, admin_context, tenant_id):
nets = []
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks['ip_blocks']:
network_id = ip_block['network_id']
network = db.network_get_by_uuid(admin_context, network_id)
nets.append(network)
return nets
def get_networks_by_tenant(self, admin_context, tenant_id):
nets = {}
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks['ip_blocks']:
network_id = ip_block['network_id']
network = db.network_get_by_uuid(admin_context, network_id)
nets[network_id] = network
return nets.values()
def test_delete_subnets_by_net_id_deletes_block(self):
context = self.mox.CreateMockAnything()
context.elevated().AndReturn('elevated')
self.m_conn.get_blocks('project_id').AndReturn(
self._block_list(id='block_id'))
self.m_conn.delete_block('block_id', 'project_id')
self.mox.StubOutWithMock(db, 'network_get_by_uuid')
db.network_get_by_uuid('elevated',
'network_id').AndReturn({'id': 'network_id'})
self.mox.StubOutWithMock(db, 'network_delete_safe')
db.network_delete_safe(context, 'network_id')
self.mox.ReplayAll()
self.ipam.delete_subnets_by_net_id(context, 'network_id', 'project_id')
def test_delete_subnets_by_net_id_deletes_block(self):
context = self.mox.CreateMockAnything()
context.elevated().AndReturn('elevated')
self.m_conn.get_blocks('project_id').AndReturn(
self._block_list(id='block_id'))
self.m_conn.delete_block('block_id', 'project_id')
self.mox.StubOutWithMock(db, 'network_get_by_uuid')
db.network_get_by_uuid('elevated', 'network_id').AndReturn(
{'id': 'network_id'})
self.mox.StubOutWithMock(db, 'network_delete_safe')
db.network_delete_safe(context, 'network_id')
self.mox.ReplayAll()
self.ipam.delete_subnets_by_net_id(context, 'network_id', 'project_id')
def get_networks_by_tenant(self, context, tenant_id):
nets = []
admin_context = context.get_admin_context()
blocks = self.m_conn.get_blocks(tenant_id)
for ip_block in blocks["ip_blocks"]:
network_id = ip_block["network_id"]
network = db.network_get_by_uuid(admin_context, network_id)
nets.append(network)
return nets
def allocate_fixed_ip(self, context, tenant_id, quantum_net_id, vif_rec):
"""Allocates a single fixed IPv4 address for a virtual interface."""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, quantum_net_id)
if network['cidr']:
address = db.fixed_ip_associate_pool(admin_context, network['id'],
vif_rec['instance_id'])
values = {'allocated': True, 'virtual_interface_id': vif_rec['id']}
db.fixed_ip_update(admin_context, address, values)
def allocate_fixed_ips(self, context, tenant_id, quantum_net_id, network_tenant_id, vif_rec):
"""Allocates a single fixed IPv4 address for a virtual interface."""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, quantum_net_id)
address = None
if network["cidr"]:
address = db.fixed_ip_associate_pool(admin_context, network["id"], vif_rec["instance_id"])
values = {"allocated": True, "virtual_interface_id": vif_rec["id"]}
db.fixed_ip_update(admin_context, address, values)
return [address]
def allocate_fixed_ip(self, context, tenant_id, quantum_net_id, vif_rec):
"""Allocates a single fixed IPv4 address for a virtual interface."""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, quantum_net_id)
if network['cidr']:
address = db.fixed_ip_associate_pool(admin_context,
network['id'],
vif_rec['instance_id'])
values = {'allocated': True,
'virtual_interface_id': vif_rec['id']}
db.fixed_ip_update(admin_context, address, values)
def get_v6_ips_by_interface(self, context, net_id, vif_id, project_id):
"""Returns a list containing a single IPv6 address strings
associated with the specified virtual interface.
"""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, net_id)
vif_rec = db.virtual_interface_get_by_uuid(context, vif_id)
if network["cidr_v6"]:
ip = ipv6.to_global(network["cidr_v6"], vif_rec["address"], project_id)
return [ip]
return []
def delete_subnets_by_net_id(self, context, net_id, project_id):
"""Deletes a network based on Quantum UUID. Uses FlatManager
delete_network to avoid duplication.
"""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, net_id)
if not network:
raise Exception(_("No network with net_id = %s" % net_id))
manager.FlatManager.delete_network(
self.net_manager, admin_context, None, network["uuid"], require_disassociated=False
)
def delete_network(self, context, fixed_range, uuid):
"""Lookup network by uuid, delete both the IPAM
subnet and the corresponding Quantum network.
The fixed_range parameter is kept here for interface compatibility
but is not used.
"""
net_ref = db.network_get_by_uuid(context.elevated(), uuid)
project_id = net_ref['project_id']
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
net_uuid = net_ref['uuid']
# Check for any attached ports on the network and fail the deletion if
# there is anything but the gateway port attached. If it is only the
# gateway port, unattach and delete it.
ports = self.q_conn.get_attached_ports(q_tenant_id, net_uuid)
num_ports = len(ports)
gw_interface_id = self.driver.get_dev(net_ref)
gw_port_uuid = None
if gw_interface_id is not None:
gw_port_uuid = self.q_conn.get_port_by_attachment(
q_tenant_id, net_uuid, gw_interface_id)
if gw_port_uuid:
num_ports -= 1
if num_ports > 0:
raise exception.NetworkBusy(network=net_uuid)
# only delete gw ports if we are going to finish deleting network
if gw_port_uuid:
self.q_conn.detach_and_delete_port(q_tenant_id, net_uuid,
gw_port_uuid)
self.l3driver.remove_gateway(net_ref)
# Now we can delete the network
self.q_conn.delete_network(q_tenant_id, net_uuid)
LOG.debug("Deleting network %s for tenant: %s" % \
(net_uuid, q_tenant_id))
self.ipam.delete_subnets_by_net_id(context, net_uuid, project_id)
# Get rid of dnsmasq
if FLAGS.quantum_use_dhcp:
if net_ref['host'] == self.host:
self.kill_dhcp(net_ref)
else:
topic = self.db.queue_get_for(context, FLAGS.network_topic,
net_ref['host'])
rpc.call(context, topic, {
'method': 'kill_dhcp',
'args': {
'net_ref': net_ref
}
})
def get_v6_ips_by_interface(self, context, net_id, vif_id, project_id):
"""Returns a list containing a single IPv6 address strings
associated with the specified virtual interface.
"""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, net_id)
vif_rec = db.virtual_interface_get_by_uuid(context, vif_id)
if network['cidr_v6']:
ip = ipv6.to_global(network['cidr_v6'], vif_rec['address'],
project_id)
return [ip]
return []
def delete_subnets_by_net_id(self, context, net_id, project_id):
"""Deletes a network based on Quantum UUID. Uses FlatManager
delete_network to avoid duplication.
"""
admin_context = context.elevated()
network = db.network_get_by_uuid(admin_context, net_id)
if not network:
raise Exception(_("No network with net_id = %s") % net_id)
manager.FlatManager.delete_network(self.net_manager,
admin_context, None,
network['uuid'],
require_disassociated=False)
def delete_network(self, context, fixed_range, uuid):
"""Lookup network by uuid, delete both the IPAM
subnet and the corresponding Quantum network.
The fixed_range parameter is kept here for interface compatibility
but is not used.
"""
net_ref = db.network_get_by_uuid(context.elevated(), uuid)
project_id = net_ref['project_id']
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
net_uuid = net_ref['uuid']
# Check for any attached ports on the network and fail the deletion if
# there is anything but the gateway port attached. If it is only the
# gateway port, unattach and delete it.
ports = self.q_conn.get_attached_ports(q_tenant_id, net_uuid)
num_ports = len(ports)
gw_interface_id = self.driver.get_dev(net_ref)
gw_port_uuid = None
if gw_interface_id is not None:
gw_port_uuid = self.q_conn.get_port_by_attachment(q_tenant_id,
net_uuid, gw_interface_id)
if gw_port_uuid:
num_ports -= 1
if num_ports > 0:
raise exception.NetworkBusy(network=net_uuid)
# only delete gw ports if we are going to finish deleting network
if gw_port_uuid:
self.q_conn.detach_and_delete_port(q_tenant_id,
net_uuid,
gw_port_uuid)
self.l3driver.remove_gateway(net_ref)
# Now we can delete the network
self.q_conn.delete_network(q_tenant_id, net_uuid)
LOG.debug("Deleting network %s for tenant: %s" %
(net_uuid, q_tenant_id))
self.ipam.delete_subnets_by_net_id(context, net_uuid, project_id)
# Get rid of dnsmasq
if FLAGS.quantum_use_dhcp:
if net_ref['host'] == self.host:
self.kill_dhcp(net_ref)
else:
topic = rpc.queue_get_for(context,
FLAGS.network_topic,
net_ref['host'])
rpc.call(context, topic, {'method': 'kill_dhcp',
'args': {'net_ref': net_ref}})
def delete_subnets_by_net_id(self, context, net_id, project_id):
"""Find Melange block associated with the Quantum UUID,
then tell Melange to delete that block.
"""
admin_context = context.elevated()
tenant_id = project_id or FLAGS.quantum_default_tenant_id
all_blocks = self.m_conn.get_blocks(tenant_id)
for b in all_blocks['ip_blocks']:
if b['network_id'] == net_id:
self.m_conn.delete_block(b['id'], tenant_id)
network = db.network_get_by_uuid(admin_context, net_id)
db.network_delete_safe(context, network['id'])
def get_allocated_ips(self, context, subnet_id, project_id):
"""Returns a list of (ip, vif_id) pairs"""
admin_context = context.elevated()
ips = db.fixed_ip_get_all(admin_context)
allocated_ips = []
# Get all allocated IPs that are part of this subnet
network = db.network_get_by_uuid(admin_context, subnet_id)
for ip in ips:
# Skip unallocated IPs
if not ip["allocated"] == 1:
continue
if ip["network_id"] == network["id"]:
vif = db.virtual_interface_get(admin_context, ip["virtual_interface_id"])
allocated_ips.append((ip["address"], vif["uuid"]))
return allocated_ips
def test_create_net_external_uuid_and_host_is_set(self):
"""Make sure network['host'] is set when creating a network via the
network manager"""
project_id = "foo_project"
ctx = context.RequestContext('user1', project_id)
net_id = self.net_man.q_conn.create_network(project_id, 'net2')
self.net_man.create_networks(
ctx, label='achtungbaby2', cidr="9.9.8.0/24", multi_host=False,
num_networks=1, network_size=256, cidr_v6=None,
gateway="9.9.8.1", gateway_v6=None, bridge=None,
bridge_interface=None, dns1="8.8.8.8", project_id=project_id,
priority=8, uuid=net_id)
net = db.network_get_by_uuid(ctx.elevated(), net_id)
self.assertTrue(net is not None)
self.assertEquals(net['uuid'], net_id)
self.assertTrue(net['host'] is not None)
def get_allocated_ips(self, context, subnet_id, project_id):
"""Returns a list of (ip, vif_id) pairs"""
admin_context = context.elevated()
ips = db.fixed_ip_get_all(admin_context)
allocated_ips = []
# Get all allocated IPs that are part of this subnet
network = db.network_get_by_uuid(admin_context, subnet_id)
for ip in ips:
# Skip unallocated IPs
if not ip['allocated'] == 1:
continue
if ip['network_id'] == network['id']:
vif = db.virtual_interface_get(admin_context,
ip['virtual_interface_id'])
allocated_ips.append((ip['address'], vif['uuid']))
return allocated_ips
def delete_network(self, context, fixed_range, uuid):
"""Lookup network by uuid, delete both the IPAM
subnet and the corresponding Quantum network.
The fixed_range parameter is kept here for interface compatibility
but is not used.
"""
net_ref = db.network_get_by_uuid(context.elevated(), uuid)
project_id = net_ref['project_id']
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
net_uuid = net_ref['uuid']
# Check for any attached ports on the network and fail the deletion if
# there is anything but the gateway port attached. If it is only the
# gateway port, unattach and delete it.
ports = self.q_conn.get_attached_ports(q_tenant_id, net_uuid)
num_ports = len(ports)
gw_interface_id = self.driver.get_dev(net_ref)
gw_port_uuid = None
if gw_interface_id is not None:
gw_port_uuid = self.q_conn.get_port_by_attachment(q_tenant_id,
net_uuid, gw_interface_id)
if gw_port_uuid:
num_ports -= 1
if num_ports > 0:
raise Exception(_("Network %s has active ports, cannot delete"
% (net_uuid)))
# only delete gw ports if we are going to finish deleting network
if gw_port_uuid:
self.q_conn.detach_and_delete_port(q_tenant_id,
net_uuid,
gw_port_uuid)
# Now we can delete the network
self.q_conn.delete_network(q_tenant_id, net_uuid)
LOG.debug("Deleting network %s for tenant: %s" % \
(net_uuid, q_tenant_id))
self.ipam.delete_subnets_by_net_id(context, net_uuid, project_id)
# Get rid of dnsmasq
if FLAGS.quantum_use_dhcp:
dev = self.driver.get_dev(net_ref)
if self.driver._device_exists(dev):
self.driver.kill_dhcp(dev)
def delete_network(self, context, fixed_range, uuid):
"""Lookup network by uuid, delete both the IPAM
subnet and the corresponding Quantum network.
The fixed_range parameter is kept here for interface compatibility
but is not used.
"""
net_ref = db.network_get_by_uuid(context.elevated(), uuid)
project_id = net_ref['project_id']
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
net_uuid = net_ref['uuid']
# Check for any attached ports on the network and fail the deletion if
# there is anything but the gateway port attached. If it is only the
# gateway port, unattach and delete it.
ports = self.q_conn.get_attached_ports(q_tenant_id, net_uuid)
num_ports = len(ports)
gw_interface_id = self.driver.get_dev(net_ref)
gw_port_uuid = None
if gw_interface_id is not None:
gw_port_uuid = self.q_conn.get_port_by_attachment(q_tenant_id,
net_uuid, gw_interface_id)
if gw_port_uuid:
num_ports -= 1
if num_ports > 0:
raise Exception(_("Network %s has active ports, cannot delete"
% (net_uuid)))
# only delete gw ports if we are going to finish deleting network
if gw_port_uuid:
self.q_conn.detach_and_delete_port(q_tenant_id,
net_uuid,
gw_port_uuid)
# Now we can delete the network
self.q_conn.delete_network(q_tenant_id, net_uuid)
LOG.debug("Deleting network %s for tenant: %s" % \
(net_uuid, q_tenant_id))
self.ipam.delete_subnets_by_net_id(context, net_uuid, project_id)
# Get rid of dnsmasq
if FLAGS.quantum_use_dhcp:
dev = self.driver.get_dev(net_ref)
if self.driver._device_exists(dev):
self.driver.kill_dhcp(dev)
def get_network(self, context, proj_pair):
(quantum_net_id, net_tenant_id) = proj_pair
net_tenant_id = net_tenant_id or FLAGS.quantum_default_tenant_id
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
# We may not be able to get a network_ref here if this network
# isn't in the database (i.e. it came from Quantum).
network_ref = db.network_get_by_uuid(admin_context, quantum_net_id)
if network_ref is None:
network_ref = {}
network_ref = {
"uuid": quantum_net_id,
"project_id": net_tenant_id,
# NOTE(bgh): We need to document this somewhere but since
# we don't know the priority of any networks we get from
# quantum we just give them a priority of 0. If its
# necessary to specify the order of the vifs and what
# network they map to then the user will have to use the
# OSCreateServer extension and specify them explicitly.
#
# In the future users will be able to tag quantum networks
# with a priority .. and at that point we can update the
# code here to reflect that.
"priority": 0,
"id": 'NULL',
"label": "quantum-net-%s" % quantum_net_id
}
network_ref['net_tenant_id'] = net_tenant_id
network_ref['quantum_net_id'] = quantum_net_id
return network_ref
def get_network(self, context, proj_pair):
(quantum_net_id, net_tenant_id) = proj_pair
net_tenant_id = net_tenant_id or FLAGS.quantum_default_tenant_id
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
# We may not be able to get a network_ref here if this network
# isn't in the database (i.e. it came from Quantum).
network_ref = db.network_get_by_uuid(admin_context, quantum_net_id)
if network_ref is None:
network_ref = {}
network_ref = {
"uuid": quantum_net_id,
"project_id": net_tenant_id,
# NOTE(bgh): We need to document this somewhere but since
# we don't know the priority of any networks we get from
# quantum we just give them a priority of 0. If its
# necessary to specify the order of the vifs and what
# network they map to then the user will have to use the
# OSCreateServer extension and specify them explicitly.
#
# In the future users will be able to tag quantum networks
# with a priority .. and at that point we can update the
# code here to reflect that.
"priority": 0,
"id": "NULL",
"label": "quantum-net-%s" % quantum_net_id,
}
network_ref["net_tenant_id"] = net_tenant_id
network_ref["quantum_net_id"] = quantum_net_id
return network_ref
def get_subnets_by_net_id(self, context, tenant_id, net_id, _vif_id=None):
"""Returns information about the IPv4 and IPv6 subnets
associated with a Quantum Network UUID.
"""
n = db.network_get_by_uuid(context.elevated(), net_id)
subnet_data_v4 = {
'network_id': n['uuid'],
'cidr': n['cidr'],
'gateway': n['gateway'],
'broadcast': n['broadcast'],
'netmask': n['netmask'],
'dns1': n['dns1'],
'dns2': n['dns2']}
subnet_data_v6 = {
'network_id': n['uuid'],
'cidr': n['cidr_v6'],
'gateway': n['gateway_v6'],
'broadcast': None,
'netmask': None,
'dns1': None,
'dns2': None}
return (subnet_data_v4, subnet_data_v6)
def get_subnets_by_net_id(self, context, tenant_id, net_id, _vif_id=None):
"""Returns information about the IPv4 and IPv6 subnets
associated with a Quantum Network UUID.
"""
n = db.network_get_by_uuid(context.elevated(), net_id)
subnet_data_v4 = {
'network_id': n['uuid'],
'cidr': n['cidr'],
'gateway': n['gateway'],
'broadcast': n['broadcast'],
'netmask': n['netmask'],
'dns1': n['dns1'],
'dns2': n['dns2']
}
subnet_data_v6 = {
'network_id': n['uuid'],
'cidr': n['cidr_v6'],
'gateway': n['gateway_v6'],
'broadcast': None,
'netmask': None,
'dns1': None,
'dns2': None
}
return ([subnet_data_v4], [subnet_data_v6])
def get_subnets_by_net_id(self, context, tenant_id, net_id, _vif_id=None):
"""Returns information about the IPv4 and IPv6 subnets
associated with a Quantum Network UUID.
"""
n = db.network_get_by_uuid(context.elevated(), net_id)
subnet_data_v4 = {
"network_id": n["uuid"],
"cidr": n["cidr"],
"gateway": n["gateway"],
"broadcast": n["broadcast"],
"netmask": n["netmask"],
"dns1": n["dns1"],
"dns2": n["dns2"],
}
subnet_data_v6 = {
"network_id": n["uuid"],
"cidr": n["cidr_v6"],
"gateway": n["gateway_v6"],
"broadcast": None,
"netmask": None,
"dns1": None,
"dns2": None,
}
return ([subnet_data_v4], [subnet_data_v6])
def allocate_for_instance(self, context, **kwargs):
"""Called by compute when it is creating a new VM.
There are three key tasks:
- Determine the number and order of vNICs to create
- Allocate IP addresses
- Create ports on a Quantum network and attach vNICs.
We support two approaches to determining vNICs:
- By default, a VM gets a vNIC for any network belonging
to the VM's project, and a vNIC for any "global" network
that has a NULL project_id. vNIC order is determined
by the network's 'priority' field.
- If the 'os-create-server-ext' was used to create the VM,
only the networks in 'requested_networks' are used to
create vNICs, and the vNIC order is determiend by the
order in the requested_networks array.
For each vNIC, use the FlatManager to create the entries
in the virtual_interfaces table, contact Quantum to
create a port and attachment the vNIC, and use the IPAM
lib to allocate IP addresses.
"""
instance_id = kwargs['instance_id']
rxtx_factor = kwargs['rxtx_factor']
host = kwargs['host']
project_id = kwargs['project_id']
LOG.debug(_("network allocations for instance %s"), project_id)
requested_networks = kwargs.get('requested_networks')
if requested_networks:
net_proj_pairs = [(net_id, project_id)
for (net_id, _i) in requested_networks]
else:
net_proj_pairs = self.ipam.get_project_and_global_net_ids(context,
project_id)
# Create a port via quantum and attach the vif
for (quantum_net_id, net_tenant_id) in net_proj_pairs:
net_tenant_id = net_tenant_id or FLAGS.quantum_default_tenant_id
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
# We may not be able to get a network_ref here if this network
# isn't in the database (i.e. it came from Quantum).
network_ref = db.network_get_by_uuid(admin_context,
quantum_net_id)
if network_ref is None:
network_ref = {}
network_ref = {"uuid": quantum_net_id,
"project_id": net_tenant_id,
# NOTE(bgh): We need to document this somewhere but since
# we don't know the priority of any networks we get from
# quantum we just give them a priority of 0. If its
# necessary to specify the order of the vifs and what
# network they map to then the user will have to use the
# OSCreateServer extension and specify them explicitly.
#
# In the future users will be able to tag quantum networks
# with a priority .. and at that point we can update the
# code here to reflect that.
"priority": 0,
"id": 'NULL',
"label": "quantum-net-%s" % quantum_net_id}
# TODO(tr3buchet): broken. Virtual interfaces require an integer
# network ID and it is not nullable
vif_rec = self.add_virtual_interface(context,
instance_id,
network_ref['id'])
# talk to Quantum API to create and attach port.
instance = db.instance_get(context, instance_id)
nova_id = self._get_nova_id(instance)
# Tell the ipam library to allocate an IP
ips = self.ipam.allocate_fixed_ips(context, project_id,
quantum_net_id, net_tenant_id, vif_rec)
pairs = []
# Set up port security if enabled
if FLAGS.quantum_use_port_security:
if FLAGS.quantum_port_security_include_link_local:
mac = netaddr.EUI(vif_rec['address'])
ips.append(str(mac.ipv6_link_local()))
pairs = [{'mac_address': vif_rec['address'],
'ip_address': ip} for ip in ips]
self.q_conn.create_and_attach_port(net_tenant_id, quantum_net_id,
vif_rec['uuid'],
vm_id=instance['uuid'],
rxtx_factor=rxtx_factor,
nova_id=nova_id,
allowed_address_pairs=pairs)
# Set up/start the dhcp server for this network if necessary
if FLAGS.quantum_use_dhcp:
self.enable_dhcp(context, quantum_net_id, network_ref,
vif_rec, net_tenant_id)
return self.get_instance_nw_info(context, instance_id,
instance['uuid'],
rxtx_factor, host)
def delete_subnets_by_net_id(self, context, net_id, project_id):
admin_context = context.elevated()
tenant_id = project_id or FLAGS.quantum_default_tenant_id
network = db.network_get_by_uuid(admin_context, net_id)
db.network_delete_safe(context, network['id'])
def delete_subnets_by_net_id(self, context, net_id, project_id):
admin_context = context.elevated()
tenant_id = project_id or FLAGS.quantum_default_tenant_id
network = db.network_get_by_uuid(admin_context, net_id)
db.network_delete_safe(context, network["id"])
def allocate_for_instance(self, context, **kwargs):
"""Called by compute when it is creating a new VM.
There are three key tasks:
- Determine the number and order of vNICs to create
- Allocate IP addresses
- Create ports on a Quantum network and attach vNICs.
We support two approaches to determining vNICs:
- By default, a VM gets a vNIC for any network belonging
to the VM's project, and a vNIC for any "global" network
that has a NULL project_id. vNIC order is determined
by the network's 'priority' field.
- If the 'os-create-server-ext' was used to create the VM,
only the networks in 'requested_networks' are used to
create vNICs, and the vNIC order is determiend by the
order in the requested_networks array.
For each vNIC, use the FlatManager to create the entries
in the virtual_interfaces table, contact Quantum to
create a port and attachment the vNIC, and use the IPAM
lib to allocate IP addresses.
"""
instance_id = kwargs.pop('instance_id')
instance_type_id = kwargs['instance_type_id']
host = kwargs.pop('host')
project_id = kwargs.pop('project_id')
LOG.debug(_("network allocations for instance %s"), instance_id)
requested_networks = kwargs.get('requested_networks')
if requested_networks:
net_proj_pairs = [(net_id, project_id) \
for (net_id, _i) in requested_networks]
else:
net_proj_pairs = self.ipam.get_project_and_global_net_ids(context,
project_id)
# Create a port via quantum and attach the vif
for (quantum_net_id, project_id) in net_proj_pairs:
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
network_ref = db.network_get_by_uuid(admin_context,
quantum_net_id)
vif_rec = manager.FlatManager.add_virtual_interface(self,
context, instance_id, network_ref['id'])
# talk to Quantum API to create and attach port.
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
self.q_conn.create_and_attach_port(q_tenant_id, quantum_net_id,
vif_rec['uuid'])
self.ipam.allocate_fixed_ip(context, project_id, quantum_net_id,
vif_rec)
return self.get_instance_nw_info(context, instance_id,
instance_type_id, host)
def get_by_uuid(cls, context, network_uuid):
db_network = db.network_get_by_uuid(context, network_uuid)
return cls._from_db_object(context, cls(), db_network)
def get_by_uuid(cls, context, network_uuid):
db_network = db.network_get_by_uuid(context, network_uuid)
return cls._from_db_object(context, cls(), db_network)
def allocate_for_instance(self, context, **kwargs):
"""Called by compute when it is creating a new VM.
There are three key tasks:
- Determine the number and order of vNICs to create
- Allocate IP addresses
- Create ports on a Quantum network and attach vNICs.
We support two approaches to determining vNICs:
- By default, a VM gets a vNIC for any network belonging
to the VM's project, and a vNIC for any "global" network
that has a NULL project_id. vNIC order is determined
by the network's 'priority' field.
- If the 'os-create-server-ext' was used to create the VM,
only the networks in 'requested_networks' are used to
create vNICs, and the vNIC order is determiend by the
order in the requested_networks array.
For each vNIC, use the FlatManager to create the entries
in the virtual_interfaces table, contact Quantum to
create a port and attachment the vNIC, and use the IPAM
lib to allocate IP addresses.
"""
instance_id = kwargs.pop('instance_id')
instance_type_id = kwargs['instance_type_id']
host = kwargs.pop('host')
project_id = kwargs.pop('project_id')
LOG.debug(_("network allocations for instance %s"), project_id)
requested_networks = kwargs.get('requested_networks')
if requested_networks:
net_proj_pairs = [(net_id, project_id) \
for (net_id, _i) in requested_networks]
else:
net_proj_pairs = self.ipam.get_project_and_global_net_ids(
context, project_id)
# Quantum may also know about networks that aren't in the networks
# table so we need to query Quanutm for any tenant networks and add
# them to net_proj_pairs.
qnets = self.q_conn.get_networks(project_id)
for qn in qnets['networks']:
pair = (qn['id'], project_id)
if pair not in net_proj_pairs:
net_proj_pairs.append(pair)
# Create a port via quantum and attach the vif
for (quantum_net_id, project_id) in net_proj_pairs:
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
# We may not be able to get a network_ref here if this network
# isn't in the database (i.e. it came from Quantum).
network_ref = db.network_get_by_uuid(admin_context, quantum_net_id)
if network_ref is None:
network_ref = {}
network_ref = {
"uuid": quantum_net_id,
"project_id": project_id,
# NOTE(bgh): We need to document this somewhere but since
# we don't know the priority of any networks we get from
# quantum we just give them a priority of 0. If its
# necessary to specify the order of the vifs and what
# network they map to then the user will have to use the
# OSCreateServer extension and specify them explicitly.
#
# In the future users will be able to tag quantum networks
# with a priority .. and at that point we can update the
# code here to reflect that.
"priority": 0,
"id": 'NULL',
"label": "quantum-net-%s" % quantum_net_id
}
vif_rec = self.add_virtual_interface(context, instance_id,
network_ref['id'])
# talk to Quantum API to create and attach port.
instance = db.instance_get(context, instance_id)
instance_type = instance_types.get_instance_type(instance_type_id)
rxtx_factor = instance_type['rxtx_factor']
nova_id = self._get_nova_id(instance)
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
# Tell the ipam library to allocate an IP
ip = self.ipam.allocate_fixed_ip(context, project_id,
quantum_net_id, vif_rec)
pairs = []
# Set up port security if enabled
if FLAGS.quantum_use_port_security:
pairs = [{'mac_address': vif_rec['address'], 'ip_address': ip}]
self.q_conn.create_and_attach_port(q_tenant_id,
quantum_net_id,
vif_rec['uuid'],
vm_id=instance['uuid'],
rxtx_factor=rxtx_factor,
nova_id=nova_id,
allowed_address_pairs=pairs)
# Set up/start the dhcp server for this network if necessary
if FLAGS.quantum_use_dhcp:
self.enable_dhcp(context, quantum_net_id, network_ref, vif_rec,
project_id)
return self.get_instance_nw_info(context, instance_id,
instance_type_id, host)
def allocate_for_instance(self, context, **kwargs):
"""Called by compute when it is creating a new VM.
There are three key tasks:
- Determine the number and order of vNICs to create
- Allocate IP addresses
- Create ports on a Quantum network and attach vNICs.
We support two approaches to determining vNICs:
- By default, a VM gets a vNIC for any network belonging
to the VM's project, and a vNIC for any "global" network
that has a NULL project_id. vNIC order is determined
by the network's 'priority' field.
- If the 'os-create-server-ext' was used to create the VM,
only the networks in 'requested_networks' are used to
create vNICs, and the vNIC order is determiend by the
order in the requested_networks array.
For each vNIC, use the FlatManager to create the entries
in the virtual_interfaces table, contact Quantum to
create a port and attachment the vNIC, and use the IPAM
lib to allocate IP addresses.
"""
instance_id = kwargs.pop('instance_id')
instance_type_id = kwargs['instance_type_id']
host = kwargs.pop('host')
project_id = kwargs.pop('project_id')
LOG.debug(_("network allocations for instance %s"), instance_id)
requested_networks = kwargs.get('requested_networks')
if requested_networks:
net_proj_pairs = [(net_id, project_id) \
for (net_id, _i) in requested_networks]
else:
net_proj_pairs = self.ipam.get_project_and_global_net_ids(
context, project_id)
# Create a port via quantum and attach the vif
for (quantum_net_id, project_id) in net_proj_pairs:
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
network_ref = db.network_get_by_uuid(admin_context, quantum_net_id)
vif_rec = manager.FlatManager.add_virtual_interface(
self, context, instance_id, network_ref['id'])
# talk to Quantum API to create and attach port.
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
self.q_conn.create_and_attach_port(q_tenant_id, quantum_net_id,
vif_rec['uuid'])
self.ipam.allocate_fixed_ip(context, project_id, quantum_net_id,
vif_rec)
return self.get_instance_nw_info(context, instance_id,
instance_type_id, host)
def allocate_for_instance(self, context, **kwargs):
"""Called by compute when it is creating a new VM.
There are three key tasks:
- Determine the number and order of vNICs to create
- Allocate IP addresses
- Create ports on a Quantum network and attach vNICs.
We support two approaches to determining vNICs:
- By default, a VM gets a vNIC for any network belonging
to the VM's project, and a vNIC for any "global" network
that has a NULL project_id. vNIC order is determined
by the network's 'priority' field.
- If the 'os-create-server-ext' was used to create the VM,
only the networks in 'requested_networks' are used to
create vNICs, and the vNIC order is determiend by the
order in the requested_networks array.
For each vNIC, use the FlatManager to create the entries
in the virtual_interfaces table, contact Quantum to
create a port and attachment the vNIC, and use the IPAM
lib to allocate IP addresses.
"""
instance_id = kwargs.pop("instance_id")
instance_type_id = kwargs["instance_type_id"]
host = kwargs.pop("host")
project_id = kwargs.pop("project_id")
LOG.debug(_("network allocations for instance %s"), project_id)
requested_networks = kwargs.get("requested_networks")
if requested_networks:
net_proj_pairs = [(net_id, project_id) for (net_id, _i) in requested_networks]
else:
net_proj_pairs = self.ipam.get_project_and_global_net_ids(context, project_id)
# Quantum may also know about networks that aren't in the networks
# table so we need to query Quanutm for any tenant networks and add
# them to net_proj_pairs.
qnets = self.q_conn.get_networks(project_id)
for qn in qnets["networks"]:
pair = (qn["id"], project_id)
if pair not in net_proj_pairs:
net_proj_pairs.append(pair)
# Create a port via quantum and attach the vif
for (quantum_net_id, project_id) in net_proj_pairs:
# FIXME(danwent): We'd like to have the manager be
# completely decoupled from the nova networks table.
# However, other parts of nova sometimes go behind our
# back and access network data directly from the DB. So
# for now, the quantum manager knows that there is a nova
# networks DB table and accesses it here. updating the
# virtual_interfaces table to use UUIDs would be one
# solution, but this would require significant work
# elsewhere.
admin_context = context.elevated()
# We may not be able to get a network_ref here if this network
# isn't in the database (i.e. it came from Quantum).
network_ref = db.network_get_by_uuid(admin_context, quantum_net_id)
if network_ref is None:
network_ref = {}
network_ref = {
"uuid": quantum_net_id,
"project_id": project_id,
# NOTE(bgh): We need to document this somewhere but since
# we don't know the priority of any networks we get from
# quantum we just give them a priority of 0. If its
# necessary to specify the order of the vifs and what
# network they map to then the user will have to use the
# OSCreateServer extension and specify them explicitly.
#
# In the future users will be able to tag quantum networks
# with a priority .. and at that point we can update the
# code here to reflect that.
"priority": 0,
"id": "NULL",
"label": "quantum-net-%s" % quantum_net_id,
}
vif_rec = self.add_virtual_interface(context, instance_id, network_ref["id"])
# talk to Quantum API to create and attach port.
instance = db.instance_get(context, instance_id)
instance_type = instance_types.get_instance_type(instance_type_id)
rxtx_factor = instance_type["rxtx_factor"]
nova_id = self._get_nova_id(context)
q_tenant_id = project_id or FLAGS.quantum_default_tenant_id
self.q_conn.create_and_attach_port(
q_tenant_id,
quantum_net_id,
vif_rec["uuid"],
vm_id=instance["uuid"],
rxtx_factor=rxtx_factor,
nova_id=nova_id,
)
# Tell melange to allocate an IP
ip = self.ipam.allocate_fixed_ip(context, project_id, quantum_net_id, vif_rec)
# Set up/start the dhcp server for this network if necessary
if FLAGS.quantum_use_dhcp:
self.enable_dhcp(context, quantum_net_id, network_ref, vif_rec, project_id)
return self.get_instance_nw_info(context, instance_id, instance_type_id, host)