def test_live_migration_all_checks_pass(self):
# Test live migration when all checks pass.
self.mox.StubOutWithMock(servicegroup.API, 'service_is_up')
self.mox.StubOutWithMock(db, 'service_get_by_compute_host')
self.mox.StubOutWithMock(db, 'instance_get_all_by_host')
self.mox.StubOutWithMock(rpc, 'call')
self.mox.StubOutWithMock(rpc, 'cast')
self.mox.StubOutWithMock(self.driver.compute_rpcapi,
'live_migration')
dest = 'fake_host2'
block_migration = True
disk_over_commit = True
instance = jsonutils.to_primitive(self._live_migration_instance())
# Source checks
db.service_get_by_compute_host(self.context,
instance['host']).AndReturn('fake_service2')
self.servicegroup_api.service_is_up('fake_service2').AndReturn(True)
# Destination checks (compute is up, enough memory, disk)
db.service_get_by_compute_host(self.context,
dest).AndReturn('fake_service3')
self.servicegroup_api.service_is_up('fake_service3').AndReturn(True)
# assert_compute_node_has_enough_memory()
db.service_get_by_compute_host(self.context, dest).AndReturn(
{'compute_node': [{'memory_mb': 2048,
'hypervisor_version': 1}]})
db.instance_get_all_by_host(self.context, dest).AndReturn(
[dict(memory_mb=256), dict(memory_mb=512)])
# Common checks (same hypervisor, etc)
db.service_get_by_compute_host(self.context, dest).AndReturn(
{'compute_node': [{'hypervisor_type': 'xen',
'hypervisor_version': 1}]})
db.service_get_by_compute_host(self.context,
instance['host']).AndReturn(
{'compute_node': [{'hypervisor_type': 'xen',
'hypervisor_version': 1,
'cpu_info': 'fake_cpu_info'}]})
rpc.call(self.context, "compute.fake_host2",
{"method": 'check_can_live_migrate_destination',
"args": {'instance': instance,
'block_migration': block_migration,
'disk_over_commit': disk_over_commit},
"version": compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION},
None).AndReturn({})
self.driver.compute_rpcapi.live_migration(self.context,
host=instance['host'], instance=instance, dest=dest,
block_migration=block_migration, migrate_data={})
self.mox.ReplayAll()
result = self.driver.schedule_live_migration(self.context,
instance=instance, dest=dest,
block_migration=block_migration,
disk_over_commit=disk_over_commit)
self.assertEqual(result, None)
def disassociate_floating_ip(self, context, instance, address,
affect_auto_assigned=False):
"""Disassociates a floating ip from fixed ip it is associated with."""
rpc.call(context,
FLAGS.network_topic,
{'method': 'disassociate_floating_ip',
'args': {'address': address}})
def add_fixed_ip_to_instance(self, context, instance, network_id):
"""Adds a fixed ip to instance from specified network."""
args = {'instance_id': instance['id'],
'host': instance['host'],
'network_id': network_id}
rpc.call(context, FLAGS.network_topic,
{'method': 'add_fixed_ip_to_instance',
'args': args})
def release_floating_ip(self, context, address,
affect_auto_assigned=False):
"""Removes floating ip with address from a project. (deallocates)"""
rpc.call(context,
FLAGS.network_topic,
{'method': 'deallocate_floating_ip',
'args': {'address': address,
'affect_auto_assigned': affect_auto_assigned}})
def deallocate_for_instance(self, context, instance, **kwargs):
"""Deallocates all network structures related to instance."""
args = kwargs
args['instance_id'] = instance['id']
args['project_id'] = instance['project_id']
args['host'] = instance['host']
rpc.call(context, FLAGS.network_topic,
{'method': 'deallocate_for_instance',
'args': args})
def remove_fixed_ip_from_instance(self, context, instance, address):
"""Removes a fixed ip from instance from specified network."""
args = {'instance_id': instance['id'],
'host': instance['host'],
'address': address}
rpc.call(context, FLAGS.network_topic,
{'method': 'remove_fixed_ip_from_instance',
'args': args})
def add_network_to_project(self, context, project_id, network_uuid=None):
"""Force adds another network to a project."""
rpc.call(
context, FLAGS.network_topic, {
'method': 'add_network_to_project',
'args': {
'project_id': project_id,
'network_uuid': network_uuid
}
})
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 test_block_migration_dest_check_service_lack_disk(self):
"""Confirms exception raises when dest doesn't have enough disk."""
self.mox.StubOutWithMock(db, 'instance_get')
self.mox.StubOutWithMock(self.driver, '_live_migration_src_check')
self.mox.StubOutWithMock(db, 'service_get_all_compute_by_host')
self.mox.StubOutWithMock(utils, 'service_is_up')
self.mox.StubOutWithMock(self.driver,
'assert_compute_node_has_enough_memory')
self.mox.StubOutWithMock(self.driver, '_get_compute_info')
self.mox.StubOutWithMock(db, 'instance_get_all_by_host')
self.mox.StubOutWithMock(rpc, 'queue_get_for')
self.mox.StubOutWithMock(rpc, 'call')
dest = 'fake_host2'
block_migration = True
disk_over_commit = True
instance = self._live_migration_instance()
db.instance_get(self.context, instance['id']).AndReturn(instance)
self.driver._live_migration_src_check(self.context, instance)
db.service_get_all_compute_by_host(self.context,
dest).AndReturn(['fake_service3'])
utils.service_is_up('fake_service3').AndReturn(True)
# Enough memory
self.driver.assert_compute_node_has_enough_memory(self.context,
instance, dest)
# Not enough disk
self.driver._get_compute_info(self.context, dest,
'disk_available_least').AndReturn(1023)
rpc.queue_get_for(self.context, FLAGS.compute_topic,
instance['host']).AndReturn('src_queue')
instance_disk_info_msg = {
'method': 'get_instance_disk_info',
'args': {
'instance_name': instance['name'],
},
'version': compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION,
}
instance_disk_info = [{'disk_size': 1024 * (1024 ** 3)}]
rpc.call(self.context,
'src_queue',
instance_disk_info_msg,
None).AndReturn(jsonutils.dumps(instance_disk_info))
self.mox.ReplayAll()
self.assertRaises(exception.MigrationError,
self.driver.schedule_live_migration, self.context,
instance_id=instance['id'], dest=dest,
block_migration=block_migration,
disk_over_commit=disk_over_commit)
def test_live_migration_dest_check_service_memory_overcommit(self):
instance = self._live_migration_instance()
# Live-migration should work since default is to overcommit memory.
self.mox.StubOutWithMock(self.driver, '_live_migration_src_check')
self.mox.StubOutWithMock(db, 'service_get_by_compute_host')
self.mox.StubOutWithMock(servicegroup.API, 'service_is_up')
self.mox.StubOutWithMock(self.driver, '_get_compute_info')
self.mox.StubOutWithMock(self.driver, '_live_migration_common_check')
self.mox.StubOutWithMock(rpc, 'call')
self.mox.StubOutWithMock(self.driver.compute_rpcapi, 'live_migration')
dest = 'fake_host2'
block_migration = False
disk_over_commit = False
self.driver._live_migration_src_check(self.context, instance)
db.service_get_by_compute_host(self.context,
dest).AndReturn('fake_service3')
self.servicegroup_api.service_is_up('fake_service3').AndReturn(True)
self.driver._get_compute_info(self.context, dest).AndReturn(
{'memory_mb': 2048,
'free_disk_gb': 512,
'local_gb_used': 512,
'free_ram_mb': 512,
'local_gb': 1024,
'vcpus': 4,
'vcpus_used': 2,
'updated_at': None})
self.driver._live_migration_common_check(self.context, instance, dest)
rpc.call(self.context, "compute.fake_host2",
{"method": 'check_can_live_migrate_destination',
"namespace": None,
"args": {'instance': instance,
'block_migration': block_migration,
'disk_over_commit': disk_over_commit},
"version": compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION},
None).AndReturn({})
self.driver.compute_rpcapi.live_migration(self.context,
host=instance['host'], instance=instance, dest=dest,
block_migration=block_migration, migrate_data={})
self.mox.ReplayAll()
result = self.driver.schedule_live_migration(self.context,
instance=instance, dest=dest,
block_migration=block_migration,
disk_over_commit=disk_over_commit)
self.assertEqual(result, None)
def test_live_migration_dest_check_service_memory_overcommit(self):
instance = self._live_migration_instance()
# Live-migration should work since default is to overcommit memory.
self.mox.StubOutWithMock(self.driver, '_live_migration_src_check')
self.mox.StubOutWithMock(db, 'service_get_by_compute_host')
self.mox.StubOutWithMock(servicegroup.API, 'service_is_up')
self.mox.StubOutWithMock(self.driver, '_get_compute_info')
self.mox.StubOutWithMock(self.driver, '_live_migration_common_check')
self.mox.StubOutWithMock(rpc, 'call')
self.mox.StubOutWithMock(self.driver.compute_rpcapi, 'live_migration')
dest = 'fake_host2'
block_migration = False
disk_over_commit = False
self.driver._live_migration_src_check(self.context, instance)
db.service_get_by_compute_host(self.context,
dest).AndReturn('fake_service3')
self.servicegroup_api.service_is_up('fake_service3').AndReturn(True)
self.driver._get_compute_info(self.context, dest).AndReturn(
{'memory_mb': 2048,
'free_disk_gb': 512,
'local_gb_used': 512,
'free_ram_mb': 512,
'local_gb': 1024,
'vcpus': 4,
'vcpus_used': 2,
'updated_at': None})
self.driver._live_migration_common_check(self.context, instance, dest)
rpc.call(self.context, "compute.fake_host2",
{"method": 'check_can_live_migrate_destination',
"namespace": None,
"args": {'instance': instance,
'block_migration': block_migration,
'disk_over_commit': disk_over_commit},
"version": compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION},
None).AndReturn({})
self.driver.compute_rpcapi.live_migration(self.context,
host=instance['host'], instance=instance, dest=dest,
block_migration=block_migration, migrate_data={})
self.mox.ReplayAll()
result = self.driver.schedule_live_migration(self.context,
instance=instance, dest=dest,
block_migration=block_migration,
disk_over_commit=disk_over_commit)
self.assertEqual(result, None)
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 _mock_rpc_call(self, expected_message, result=None):
if result is None:
result = 'fake-result'
# Wrapped with cells call
expected_message = {'method': 'proxy_rpc_to_manager',
'args': {'topic': 'compute.fake_host',
'rpc_message': expected_message,
'call': True,
'timeout': None},
'version': '1.2'}
self.mox.StubOutWithMock(rpc, 'call')
rpc.call(self.ctxt, 'cells', expected_message,
None).AndReturn(result)
def associate_floating_ip(self, context, instance,
floating_address, fixed_address,
affect_auto_assigned=False):
"""Associates a floating ip with a fixed ip.
ensures floating ip is allocated to the project in context
"""
rpc.call(context,
FLAGS.network_topic,
{'method': 'associate_floating_ip',
'args': {'floating_address': floating_address,
'fixed_address': fixed_address,
'affect_auto_assigned': affect_auto_assigned}})
def _mock_rpc_call(self, expected_message, result=None):
if result is None:
result = 'fake-result'
# Wrapped with cells call
expected_message = {'method': 'proxy_rpc_to_manager',
'namespace': None,
'args': {'topic': 'compute.fake_host',
'rpc_message': expected_message,
'call': True,
'timeout': None},
'version': '1.2'}
self.mox.StubOutWithMock(rpc, 'call')
rpc.call(self.ctxt, 'cells', expected_message,
None).AndReturn(result)
def disassociate_floating_ip(self, context, instance, address,
affect_auto_assigned=False):
"""Disassociates a floating ip from fixed ip it is associated with."""
host = None
if instance:
host = instance.get('host')
if host:
topic = rpc.queue_get_for(context, FLAGS.network_topic, host)
else:
topic = FLAGS.network_topic
rpc.call(context,
topic,
{'method': 'disassociate_floating_ip',
'args': {'address': address}})
def create_private_dns_domain(self, context, domain, availability_zone):
"""Create a private DNS domain with nova availability zone."""
args = {'domain': domain, 'av_zone': availability_zone}
return rpc.call(context, FLAGS.network_topic, {
'method': 'create_private_dns_domain',
'args': args
})
def get_dns_entries_by_name(self, context, name, domain):
"""Get entries for name and domain"""
args = {'name': name, 'domain': domain}
return rpc.call(context, FLAGS.network_topic, {
'method': 'get_dns_entries_by_name',
'args': args
})
def get_dns_entries_by_address(self, context, address, domain):
"""Get entries for address and domain"""
args = {'address': address, 'domain': domain}
return rpc.call(context, FLAGS.network_topic, {
'method': 'get_dns_entries_by_address',
'args': args
})
def query(self, req, id, body):
if not (id):
raise webob.exc.HTTPNotFound()
context = req.environ["nova.context"]
authorize(context)
# Extract the query arguments.
args = body.get('args', {})
# Construct the query.
kwargs = {'method': 'query', 'args': args}
parts = id.split(':', 1)
if len(parts) == 2:
instance = db.instance_get_by_uuid(context, parts[1])
kwargs['args']['target'] = instance['name']
queue = rpc.queue_get_for(context, CONF.canary_topic, parts[0])
else:
queue = rpc.queue_get_for(context, CONF.canary_topic, id)
try:
# Send it along.
result = rpc.call(context, queue, kwargs)
except Exception, e:
raise webob.exc.HTTPBadRequest(explanation=unicode(e))
def delete_dns_entry(self, context, name, domain):
"""Delete the specified dns entry."""
args = {'name': name, 'domain': domain}
return rpc.call(context, FLAGS.network_topic, {
'method': 'delete_dns_entry',
'args': args
})
def modify_dns_entry(self, context, name, address, domain):
"""Create specified DNS entry for address"""
args = {'address': address, 'name': name, 'domain': domain}
return rpc.call(context, FLAGS.network_topic, {
'method': 'modify_dns_entry',
'args': args
})
def initialize_connection(self, context, volume, connector):
host = volume['host']
queue = rpc.queue_get_for(context, FLAGS.volume_topic, host)
return rpc.call(context, queue,
{"method": "initialize_connection",
"args": {"volume_id": volume['id'],
"connector": connector}})
def query(self, req, id, body):
if not(id):
raise webob.exc.HTTPNotFound()
context = req.environ["nova.context"]
authorize(context)
# Extract the query arguments.
args = body.get('args', {})
# Construct the query.
kwargs = { 'method' : 'query', 'args' : args }
parts = id.split(':', 1)
if len(parts) == 2:
instance = db.instance_get_by_uuid(context, parts[1])
kwargs['args']['target'] = instance['name']
queue = rpc.queue_get_for(context, FLAGS.canary_topic, parts[0])
else:
queue = rpc.queue_get_for(context, FLAGS.canary_topic, id)
try:
# Send it along.
result = rpc.call(context, queue, kwargs)
except Exception, e:
raise webob.exc.HTTPBadRequest(explanation=unicode(e))
def create_public_dns_domain(self, context, domain, project=None):
"""Create a private DNS domain with optional nova project."""
args = {'domain': domain, 'project': project}
return rpc.call(context, FLAGS.network_topic, {
'method': 'create_public_dns_domain',
'args': args
})
def get_floating_ip_by_address(self, context, address):
return rpc.call(context, FLAGS.network_topic, {
'method': 'get_floating_ip_by_address',
'args': {
'address': address
}
})
def associate_floating_ip(self, context, instance,
floating_address, fixed_address,
affect_auto_assigned=False):
"""Associates a floating ip with a fixed ip.
ensures floating ip is allocated to the project in context
"""
host = instance.get('host')
if host:
topic = rpc.queue_get_for(context, FLAGS.network_topic, host)
else:
topic = FLAGS.network_topic
orig_instance_uuid = rpc.call(context,
topic,
{'method': 'associate_floating_ip',
'args': {'floating_address': floating_address,
'fixed_address': fixed_address,
'affect_auto_assigned': affect_auto_assigned}})
if orig_instance_uuid:
msg_dict = dict(address=floating_address,
instance_id=orig_instance_uuid)
LOG.info(_('re-assign floating IP %(address)s from '
'instance %(instance_id)s') % msg_dict)
orig_instance = self.db.instance_get_by_uuid(context,
orig_instance_uuid)
# purge cached nw info for the original instance
update_instance_cache_with_nw_info(self, context, orig_instance)
def proxy_rpc_to_manager(self, message, host_name, rpc_message, topic, timeout):
"""Proxy RPC to the given compute topic."""
# Check that the host exists.
self.db.service_get_by_compute_host(message.ctxt, host_name)
if message.need_response:
return rpc.call(message.ctxt, topic, rpc_message, timeout=timeout)
rpc.cast(message.ctxt, topic, rpc_message)
def get(self, context, network_uuid):
return rpc.call(context, FLAGS.network_topic, {
'method': 'get_network',
'args': {
'network_uuid': network_uuid
}
})
def associate_floating_ip(self,
context,
instance,
floating_address,
fixed_address,
affect_auto_assigned=False):
"""Associates a floating ip with a fixed ip.
ensures floating ip is allocated to the project in context
"""
orig_instance_uuid = rpc.call(
context, FLAGS.network_topic, {
'method': 'associate_floating_ip',
'args': {
'floating_address': floating_address,
'fixed_address': fixed_address,
'affect_auto_assigned': affect_auto_assigned
}
})
if orig_instance_uuid:
msg_dict = dict(address=floating_address,
instance_id=orig_instance_uuid)
LOG.info(
_('re-assign floating IP %(address)s from '
'instance %(instance_id)s') % msg_dict)
orig_instance = self.db.instance_get_by_uuid(
context, orig_instance_uuid)
# purge cached nw info for the original instance
update_instance_cache_with_nw_info(self, context, orig_instance)
def test_utilization_query(self):
vm_list = self.get_single_vm()
self.mock.StubOutWithMock(api, 'vm_get_by_ids')
api.vm_get_by_ids(mox.IgnoreArg(),
mox.IgnoreArg()).AndReturn(vm_list)
self.mock.StubOutWithMock(rpc, 'call')
rpc.call(mox.IgnoreArg(), mox.IgnoreArg(),
mox.IgnoreArg()).AndReturn(self.get_resource_utilization())
self.mock.ReplayAll()
request = webob.Request.blank('/v2.0/vm/vm-01.xml?utilization',
base_url='http://localhost:8774/v2.0/')
request.environ['nova.context'] = self.admin_context
resp = VMController().show(request, 'vm-01')
self.assertNotEqual(resp, None, 'Return xml response for vm-01')
def _confirm_service_failure(self, ctxt, service):
"""
confirm wether service is failure by send a rpc call to the service
:param service: service info got from db
:returns: False if service is ok, True if confirm service failed
"""
host = service['host']
service_topic = service['topic']
service_binary = service['binary']
try:
topic = FLAGS.get('%s_topic' % service_topic, None)
rpc_topic = rpc.queue_get_for(ctxt, topic, host)
msg = {'method': 'service_version'}
if service_topic == 'compute':
msg['version'] = '2.0'
service_version = rpc.call(ctxt, rpc_topic, msg)
LOG.info(_('confirm service %(service_binary)s on %(host)s normal,'
' version : %(service_version)s!'), locals())
return False
except Exception as ex:
LOG.info(_('confirm service %(service_binary)s on %(host)s '
'abnormal!'), locals())
return True
def get_vifs_by_instance(self, context, instance):
# NOTE(vish): When the db calls are converted to store network
# data by instance_uuid, this should pass uuid instead.
return rpc.call(context,
FLAGS.network_topic,
{'method': 'get_vifs_by_instance',
'args': {'instance_id': instance['id']}})
def get_floating_ip(self, context, id):
return rpc.call(context, FLAGS.network_topic, {
'method': 'get_floating_ip',
'args': {
'id': id
}
})
def delete_dns_domain(self, context, domain):
"""Delete the specified dns domain."""
args = {'domain': domain}
return rpc.call(context, FLAGS.network_topic, {
'method': 'delete_dns_domain',
'args': args
})
def get_dns_domains(self, context):
"""Returns a list of available dns domains.
These can be used to create DNS entries for floating ips.
"""
return rpc.call(context,
FLAGS.network_topic,
{'method': 'get_dns_domains'})
def initialize_connection(self, context, volume, connector):
host = volume['host']
queue = rpc.queue_get_for(context, FLAGS.volume_topic, host)
return rpc.call(context, queue,
{"method": "initialize_connection",
"args": {"volume_id": volume['id'],
"connector": connector}})
def setup_networks_on_host(self, context, instance, host=None,
teardown=False):
"""Setup or teardown the network structures on hosts related to
instance"""
host = host or instance['host']
# NOTE(tr3buchet): host is passed in cases where we need to setup
# or teardown the networks on a host which has been migrated to/from
# and instance['host'] is not yet or is no longer equal to
args = {'instance_id': instance['id'],
'host': host,
'teardown': teardown}
# NOTE(tr3buchet): the call is just to wait for completion
rpc.call(context, FLAGS.network_topic,
{'method': 'setup_networks_on_host',
'args': args})
def terminate_connection(self, context, volume, connector):
self.unreserve_volume(context, volume)
host = volume['host']
queue = rpc.queue_get_for(context, FLAGS.volume_topic, host)
return rpc.call(context, queue,
{"method": "terminate_connection",
"args": {"volume_id": volume['id'],
"connector": connector}})
def attach(self, context, volume, instance_uuid, mountpoint):
host = volume['host']
queue = rpc.queue_get_for(context, FLAGS.volume_topic, host)
return rpc.call(context, queue,
{"method": "attach_volume",
"args": {"volume_id": volume['id'],
"instance_uuid": instance_uuid,
"mountpoint": mountpoint}})
def modify_dns_entry(self, context, name, address, domain):
"""Create specified DNS entry for address"""
args = {'address': address,
'name': name,
'domain': domain}
return rpc.call(context, FLAGS.network_topic,
{'method': 'modify_dns_entry',
'args': args})
def get_instance_uuids_by_ip_filter(self, context, filters):
"""Returns a list of dicts in the form of
{'instance_uuid': uuid, 'ip': ip} that matched the ip_filter
"""
args = {'filters': filters}
return rpc.call(context, FLAGS.network_topic,
{'method': 'get_instance_uuids_by_ip_filter',
'args': args})
def disassociate(self, context, network_uuid):
return rpc.call(
context, FLAGS.network_topic, {
'method': 'disassociate_network',
'args': {
'network_uuid': network_uuid
}
})
def validate_networks(self, context, requested_networks):
"""validate the networks passed at the time of creating
the server
"""
args = {'networks': requested_networks}
return rpc.call(context, FLAGS.network_topic,
{'method': 'validate_networks',
'args': args})
def get_vif_by_mac_address(self, context, mac_address):
return rpc.call(
context, FLAGS.network_topic, {
'method': 'get_vif_by_mac_address',
'args': {
'mac_address': mac_address
}
})
def modify_network_qos(self, context, instance_id, qtype, spec,
flavor_id=None):
"""modify network qos for an instance """
args = {'instance_id': instance_id,
'qtype': qtype,
'spec': spec,
'flavor_id': flavor_id}
return rpc.call(context, FLAGS.network_topic,
{'method': 'modify_network_qos',
'args': args})
def delete_address_network_qos(self, context, instance_id, qtype, address):
"""delete network qos for for an address"""
args = {
'instance_id': instance_id,
'qtype': qtype,
'address': address,
}
return rpc.call(context, FLAGS.network_topic,
{'method': 'delete_address_network_qos',
'args': args})
def test_live_migration_dest_host_incompatable_cpu_raises(self):
self.mox.StubOutWithMock(db, 'instance_get')
self.mox.StubOutWithMock(self.driver, '_live_migration_src_check')
self.mox.StubOutWithMock(self.driver, '_live_migration_dest_check')
self.mox.StubOutWithMock(rpc, 'queue_get_for')
self.mox.StubOutWithMock(rpc, 'call')
self.mox.StubOutWithMock(rpc, 'cast')
self.mox.StubOutWithMock(db, 'service_get_all_compute_by_host')
dest = 'fake_host2'
block_migration = False
disk_over_commit = False
instance = self._live_migration_instance()
db.instance_get(self.context, instance['id']).AndReturn(instance)
self.driver._live_migration_src_check(self.context, instance)
self.driver._live_migration_dest_check(self.context, instance,
dest, block_migration, disk_over_commit)
self._check_shared_storage(dest, instance, True)
db.service_get_all_compute_by_host(self.context, dest).AndReturn(
[{'compute_node': [{'hypervisor_type': 'xen',
'hypervisor_version': 1}]}])
db.service_get_all_compute_by_host(self.context,
instance['host']).AndReturn(
[{'compute_node': [{'hypervisor_type': 'xen',
'hypervisor_version': 1,
'cpu_info': 'fake_cpu_info'}]}])
rpc.queue_get_for(self.context, FLAGS.compute_topic,
dest).AndReturn('dest_queue')
rpc.call(self.context, 'dest_queue',
{'method': 'compare_cpu',
'args': {'cpu_info': 'fake_cpu_info'},
'version': compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION},
None).AndRaise(rpc_common.RemoteError())
self.mox.ReplayAll()
self.assertRaises(rpc_common.RemoteError,
self.driver.schedule_live_migration, self.context,
instance_id=instance['id'], dest=dest,
block_migration=block_migration)
def allocate_floating_ip(self, context, pool=None):
"""Adds a floating ip to a project from a pool. (allocates)"""
# NOTE(vish): We don't know which network host should get the ip
# when we allocate, so just send it to any one. This
# will probably need to move into a network supervisor
# at some point.
return rpc.call(context,
FLAGS.network_topic,
{'method': 'allocate_floating_ip',
'args': {'project_id': context.project_id,
'pool': pool}})
