def _start_container(self, container_id, instance, network_info=None):
self.docker.start(container_id)
if not network_info:
return
timeout = CONF.vif_plugging_timeout
if (utils.is_neutron() and timeout):
events = self._get_neutron_events(network_info)
else:
events = []
try:
with self.virtapi.wait_for_instance_event(
instance, events, deadline=timeout,
error_callback=self._neutron_failed_callback):
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except eventlet.timeout.Timeout:
LOG.warn(_LW('Timeout waiting for vif plugging callback for '
'instance %(uuid)s'), {'uuid': instance['name']})
if CONF.vif_plugging_is_fatal:
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(
'Timeout waiting for vif plugging',
instance_id=instance['name'])
except (Exception) as e:
LOG.warning(_('Cannot setup network: %s'),
e, instance=instance, exc_info=True)
msg = _('Cannot setup network: {0}')
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(msg.format(e),
instance_id=instance['name'])
def reboot(self, context, instance, network_info, reboot_type,
block_device_info=None, bad_volumes_callback=None):
container_id = self._find_container_by_name(instance['name']).get('id')
if not container_id:
return
if not self.docker.stop_container(container_id):
LOG.warning(_('Cannot stop the container, '
'please check docker logs'))
return
try:
network.teardown_network(container_id)
self.unplug_vifs(instance, network_info)
except Exception:
LOG.debug('Cannot destroy the container network during reboot')
return
if not self.docker.start_container(container_id):
LOG.warning(_('Cannot restart the container, '
'please check docker logs'))
return
try:
self.plug_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot setup network on reboot: {0}').format(e))
return
def _pull_missing_image(self, context, image_meta, instance):
msg = 'Image name "%s" does not exist, fetching it...'
LOG.debug(msg, image_meta['name'])
# TODO(imain): It would be nice to do this with file like object
# passing but that seems a bit complex right now.
snapshot_directory = CONF.docker.snapshots_directory
fileutils.ensure_tree(snapshot_directory)
with utils.tempdir(dir=snapshot_directory) as tmpdir:
try:
out_path = os.path.join(tmpdir, uuid.uuid4().hex)
images.fetch(context, image_meta['id'], out_path,
instance['user_id'], instance['project_id'])
self.docker.load_repository_file(
self._encode_utf8(image_meta['name']),
out_path
)
except Exception as e:
LOG.warning(_('Cannot load repository file: %s'),
e, instance=instance, exc_info=True)
msg = _('Cannot load repository file: {0}')
raise exception.NovaException(msg.format(e),
instance_id=image_meta['name'])
return self.docker.inspect_image(self._encode_utf8(image_meta['name']))
def plug(self, instance, vif):
vif_type = vif['type']
LOG.debug(
'plug vif_type=%(vif_type)s instance=%(instance)s '
'vif=%(vif)s', {
'vif_type': vif_type,
'instance': instance,
'vif': vif
})
if vif_type is None:
raise exception.NovaException(
_("vif_type parameter must be present "
"for this vif_driver implementation"))
if vif_type == network_model.VIF_TYPE_BRIDGE:
self.plug_bridge(instance, vif)
elif vif_type == network_model.VIF_TYPE_OVS:
if self.ovs_hybrid_required(vif):
self.plug_ovs_hybrid(instance, vif)
else:
self.plug_ovs(instance, vif)
elif vif_type == network_model.VIF_TYPE_MIDONET:
self.plug_midonet(instance, vif)
elif vif_type == network_model.VIF_TYPE_IOVISOR:
self.plug_iovisor(instance, vif)
elif vif_type == 'hyperv':
self.plug_windows(instance, vif)
else:
raise exception.NovaException(
_("Unexpected vif_type=%s") % vif_type)
def reboot(self,
context,
instance,
network_info,
reboot_type,
block_device_info=None,
bad_volumes_callback=None):
container_id = self._get_container_id(instance)
if not container_id:
return
self._stop(container_id, instance)
try:
network.teardown_network(container_id)
if network_info:
self.unplug_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot destroy the container network'
' during reboot {0}').format(e),
exc_info=True)
return
binds = self._get_key_binds(container_id, instance)
dns = self._extract_dns_entries(network_info)
self.docker.start(container_id, binds=binds, dns=dns)
try:
if network_info:
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot setup network on reboot: {0}'),
e,
exc_info=True)
return
def power_on(self,
context,
instance,
network_info,
block_device_info=None):
container_id = self._get_container_id(instance)
if not container_id:
return
binds = self._get_key_binds(container_id, instance)
dns = self._extract_dns_entries(network_info)
self.docker.start(container_id, binds=binds, dns=dns)
if not network_info:
return
try:
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except Exception as e:
LOG.debug(_('Cannot setup network: %s'),
e,
instance=instance,
exc_info=True)
msg = _('Cannot setup network: {0}')
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(msg.format(e),
instance_id=instance['name'])
def plug(self, instance, vif):
vif_type = vif['type']
LOG.debug('plug vif_type=%(vif_type)s instance=%(instance)s '
'vif=%(vif)s',
{'vif_type': vif_type, 'instance': instance,
'vif': vif})
if vif_type is None:
raise exception.NovaException(
_("vif_type parameter must be present "
"for this vif_driver implementation"))
if vif_type == network_model.VIF_TYPE_BRIDGE:
self.plug_bridge(instance, vif)
elif vif_type == network_model.VIF_TYPE_OVS:
if self.ovs_hybrid_required(vif):
self.plug_ovs_hybrid(instance, vif)
else:
self.plug_ovs(instance, vif)
elif vif_type == network_model.VIF_TYPE_MIDONET:
self.plug_midonet(instance, vif)
elif vif_type == network_model.VIF_TYPE_IOVISOR:
self.plug_iovisor(instance, vif)
elif vif_type == 'hyperv':
self.plug_windows(instance, vif)
else:
raise exception.NovaException(
_("Unexpected vif_type=%s") % vif_type)
def reboot(self, context, instance, network_info, reboot_type,
block_device_info=None, bad_volumes_callback=None):
container_id = self._get_container_id(instance)
if not container_id:
return
self._stop(container_id, instance)
try:
network.teardown_network(container_id)
if network_info:
self.unplug_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot destroy the container network'
' during reboot {0}').format(e),
exc_info=True)
return
binds = self._get_key_binds(container_id, instance)
dns = self._extract_dns_entries(network_info)
self.docker.start(container_id, binds=binds, dns=dns)
try:
if network_info:
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot setup network on reboot: {0}'), e,
exc_info=True)
return
def snapshot(self, context, instance, image_href, update_task_state):
container_id = self._get_container_id(instance)
if not container_id:
raise exception.InstanceNotRunning(instance_id=instance['uuid'])
update_task_state(task_state=task_states.IMAGE_PENDING_UPLOAD)
(image_service,
image_id) = glance.get_remote_image_service(context, image_href)
image = image_service.show(context, image_id)
if ':' not in image['name']:
commit_name = self._encode_utf8(image['name'])
tag = 'latest'
else:
parts = self._encode_utf8(image['name']).rsplit(':', 1)
commit_name = parts[0]
tag = parts[1]
self.docker.commit(container_id, repository=commit_name, tag=tag)
update_task_state(task_state=task_states.IMAGE_UPLOADING,
expected_state=task_states.IMAGE_PENDING_UPLOAD)
metadata = {
'is_public': False,
'status': 'active',
'disk_format': 'raw',
'container_format': 'docker',
'name': image['name'],
'properties': {
'image_location': 'snapshot',
'image_state': 'available',
'status': 'available',
'owner_id': instance['project_id'],
'ramdisk_id': instance['ramdisk_id']
}
}
if instance['os_type']:
metadata['properties']['os_type'] = instance['os_type']
try:
raw = self.docker.get_image(commit_name)
# Patch the seek/tell as urllib3 throws UnsupportedOperation
raw.seek = lambda x=None, y=None: None
raw.tell = lambda: None
image_service.update(context, image_href, metadata, raw)
except Exception as e:
LOG.debug(_('Error saving image: %s'),
e,
instance=instance,
exc_info=True)
msg = _('Error saving image: {0}')
raise exception.NovaException(msg.format(e),
instance_id=instance['name'])
def snapshot(self, context, instance, image_href, update_task_state):
container_id = self._get_container_id(instance)
if not container_id:
raise exception.InstanceNotRunning(instance_id=instance['uuid'])
update_task_state(task_state=task_states.IMAGE_PENDING_UPLOAD)
(image_service, image_id) = glance.get_remote_image_service(
context, image_href)
image = image_service.show(context, image_id)
if ':' not in image['name']:
commit_name = self._encode_utf8(image['name'])
tag = 'latest'
else:
parts = self._encode_utf8(image['name']).rsplit(':', 1)
commit_name = parts[0]
tag = parts[1]
self.docker.commit(container_id, repository=commit_name, tag=tag)
update_task_state(task_state=task_states.IMAGE_UPLOADING,
expected_state=task_states.IMAGE_PENDING_UPLOAD)
metadata = {
'is_public': False,
'status': 'active',
'disk_format': 'raw',
'container_format': 'docker',
'name': image['name'],
'properties': {
'image_location': 'snapshot',
'image_state': 'available',
'status': 'available',
'owner_id': instance['project_id'],
'ramdisk_id': instance['ramdisk_id']
}
}
if instance['os_type']:
metadata['properties']['os_type'] = instance['os_type']
try:
raw = self.docker.get_image(commit_name)
# Patch the seek/tell as urllib3 throws UnsupportedOperation
raw.seek = lambda x=None, y=None: None
raw.tell = lambda: None
image_service.update(context, image_href, metadata, raw)
except Exception as e:
LOG.debug(_('Error saving image: %s'),
e, instance=instance, exc_info=True)
msg = _('Error saving image: {0}')
raise exception.NovaException(msg.format(e),
instance_id=instance['name'])
def _pull_missing_image(self, context, image_meta, instance):
msg = 'Image name "%s" does not exist, fetching it...'
LOG.debug(msg, image_meta.name)
shared_directory = CONF.docker.shared_directory
if (shared_directory and os.path.exists(
os.path.join(shared_directory, image_meta.id))):
LOG.debug('Found %s in shared_directory', image_meta.id)
try:
LOG.debug('Loading repository file into docker %s',
self._encode_utf8(image_meta.name))
self.docker.load_repository_file(
self._encode_utf8(image_meta.name),
os.path.join(shared_directory, image_meta.id))
return self.docker.inspect_image(
self._encode_utf8(image_meta.name))
except Exception as e:
# If failed to load image from shared_directory, continue
# to download the image from glance then load.
LOG.warning(_('Cannot load repository file from shared '
'directory: %s'),
e,
instance=instance,
exc_info=True)
# TODO(imain): It would be nice to do this with file like object
# passing but that seems a bit complex right now.
snapshot_directory = CONF.docker.snapshots_directory
fileutils.ensure_tree(snapshot_directory)
with utils.tempdir(dir=snapshot_directory) as tmpdir:
try:
out_path = os.path.join(tmpdir, uuid.uuid4().hex)
LOG.debug('Fetching image with id %s from glance',
image_meta.id)
images.fetch(context, image_meta.id, out_path,
instance['user_id'], instance['project_id'])
LOG.debug('Loading repository file into docker %s',
self._encode_utf8(image_meta.name))
self.docker.load_repository_file(
self._encode_utf8(image_meta.name), out_path)
return self.docker.inspect_image(
self._encode_utf8(image_meta.name))
except Exception as e:
LOG.warning(_('Cannot load repository file: %s'),
e,
instance=instance,
exc_info=True)
msg = _('Cannot load repository file: {0}')
raise exception.NovaException(msg.format(e),
instance_id=image_meta.name)
def _pull_missing_image(self, context, image_meta, instance):
msg = 'Image name "%s" does not exist, fetching it...'
LOG.debug(msg, image_meta.name)
shared_directory = CONF.docker.shared_directory
if (shared_directory and
os.path.exists(os.path.join(shared_directory,
image_meta.id))):
LOG.debug('Found %s in shared_directory', image_meta.id)
try:
LOG.debug('Loading repository file into docker %s',
self._encode_utf8(image_meta.name))
self.docker.load_repository_file(
self._encode_utf8(image_meta.name),
os.path.join(shared_directory, image_meta.id))
return self.docker.inspect_image(
self._encode_utf8(image_meta.name))
except Exception as e:
# If failed to load image from shared_directory, continue
# to download the image from glance then load.
LOG.warning(_('Cannot load repository file from shared '
'directory: %s'),
e, instance=instance, exc_info=True)
# TODO(imain): It would be nice to do this with file like object
# passing but that seems a bit complex right now.
snapshot_directory = CONF.docker.snapshots_directory
fileutils.ensure_tree(snapshot_directory)
with utils.tempdir(dir=snapshot_directory) as tmpdir:
try:
out_path = os.path.join(tmpdir, uuid.uuid4().hex)
LOG.debug('Fetching image with id %s from glance',
image_meta.id)
images.fetch(context, image_meta.id, out_path,
instance['user_id'], instance['project_id'])
LOG.debug('Loading repository file into docker %s',
self._encode_utf8(image_meta.name))
self.docker.load_repository_file(
self._encode_utf8(image_meta.name),
out_path
)
return self.docker.inspect_image(
self._encode_utf8(image_meta.name))
except Exception as e:
LOG.warning(_('Cannot load repository file: %s'),
e, instance=instance, exc_info=True)
msg = _('Cannot load repository file: {0}')
raise exception.NovaException(msg.format(e),
instance_id=image_meta.name)
def unpause(self, instance):
"""Unpause paused VM instance.
:param instance: nova.objects.instance.Instance
"""
try:
cont_id = self._get_container_id(instance)
if not self.docker.unpause(cont_id):
raise exception.NovaException
except Exception as e:
LOG.debug(_('Error unpause container: %s'),
e, instance=instance, exc_info=True)
msg = _('Cannot unpause container: {0}')
raise exception.NovaException(msg.format(e),
instance_id=instance['name'])
def plug_ovs(self, instance, vif):
LOG.info('8888888888888')
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
bridge = vif['network']['bridge']
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
LOG.info('7777777aaaa')
LOG.info('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
linux_net.create_ovs_vif_port(bridge, if_local_name,
network.get_ovs_interfaceid(vif),
vif['address'],
instance['uuid'])
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def plug(self, instance, vif):
vif_type = vif['type']
LOG.debug('Plug vif_type=%(vif_type)s instance=%(instance)s '
'vif=%(vif)s',
{'vif_type': vif_type, 'instance': instance,
'vif': vif})
if_local_name = 'veth%s' % vif['id'][:8]
if_remote_name = 'ns%s' % vif['id'][:8]
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', if_local_name, 'type', 'veth',
'peer', 'name', if_remote_name, run_as_root=True)
undo_mgr.undo_with(lambda: utils.execute(
'ip', 'link', 'delete', if_local_name, run_as_root=True))
utils.execute('ip', 'link', 'set', if_remote_name, 'address',
vif['address'], run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def plug_iovisor(self, instance, vif):
"""Plug docker vif into IOvisor
Creates a port on IOvisor and onboards the interface
"""
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
iface_id = vif['id']
net_id = vif['network']['id']
tenant_id = instance['project_id']
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
utils.execute('ifc_ctl', 'gateway', 'add_port', if_local_name,
run_as_root=True)
utils.execute('ifc_ctl', 'gateway', 'ifup', if_local_name,
'access_vm',
vif['network']['label'] + "_" + iface_id,
vif['address'], 'pgtag2=%s' % net_id,
'pgtag1=%s' % tenant_id, run_as_root=True)
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network on IOvisor")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def plug_midonet(self, instance, vif):
"""Plug into MidoNet's network port
This accomplishes binding of the vif to a MidoNet virtual port
"""
LOG.info('2222')
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
port_id = network.get_ovs_interfaceid(vif)
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
undo_mgr.undo_with(lambda: utils.execute(
'ip', 'link', 'delete', if_local_name, run_as_root=True))
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
utils.execute('mm-ctl', '--bind-port', port_id, if_local_name,
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def unplug_ovs(self, instance, vif):
"""Unplug the VIF by deleting the port from the bridge."""
try:
linux_net.delete_ovs_vif_port(vif['network']['bridge'],
vif['devname'])
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'
), {'old': self._nodename,
'new': nodename})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus': hostinfo.get_total_vcpus(),
'vcpus_used': hostinfo.get_vcpus_used(self.list_instances(True)),
'memory_mb': memory['total'] / units.Mi,
'memory_mb_used': memory['used'] / units.Mi,
'local_gb': disk['total'] / units.Gi,
'local_gb_used': disk['used'] / units.Gi,
'disk_available_least': disk['available'] / units.Gi,
'hypervisor_type': 'docker',
'hypervisor_version': versionutils.convert_version_to_int('1.0'),
'hypervisor_hostname': self._nodename,
'cpu_info': '?',
'numa_topology': None,
'supported_instances': [
(arch.I686, hv_type.DOCKER, vm_mode.EXE),
(arch.X86_64, hv_type.DOCKER, vm_mode.EXE)
]
}
return stats
def _attach_vifs(self, instance, network_info):
"""Plug VIFs into container."""
if not network_info:
return
container_id = self._get_container_id(instance)
if not container_id:
return
netns_path = '/var/run/netns'
if not os.path.exists(netns_path):
utils.execute(
'mkdir', '-p', netns_path, run_as_root=True)
nspid = self._find_container_pid(container_id)
if not nspid:
msg = _('Cannot find any PID under container "{0}"')
raise RuntimeError(msg.format(container_id))
netns_path = os.path.join(netns_path, container_id)
utils.execute(
'ln', '-sf', '/proc/{0}/ns/net'.format(nspid),
'/var/run/netns/{0}'.format(container_id),
run_as_root=True)
utils.execute('ip', 'netns', 'exec', container_id, 'ip', 'link',
'set', 'lo', 'up', run_as_root=True)
for vif in network_info:
self.vif_driver.attach(instance, vif, container_id)
def _attach_vifs(self, instance, network_info):
"""Plug VIFs into container."""
if not network_info:
return
container_id = self._get_container_id(instance)
if not container_id:
return
netns_path = '/var/run/netns'
if not os.path.exists(netns_path):
utils.execute('mkdir', '-p', netns_path, run_as_root=True)
nspid = self._find_container_pid(container_id)
if not nspid:
msg = _('Cannot find any PID under container "{0}"')
raise RuntimeError(msg.format(container_id))
netns_path = os.path.join(netns_path, container_id)
utils.execute('ln',
'-sf',
'/proc/{0}/ns/net'.format(nspid),
'/var/run/netns/{0}'.format(container_id),
run_as_root=True)
utils.execute('ip',
'netns',
'exec',
container_id,
'ip',
'link',
'set',
'lo',
'up',
run_as_root=True)
for vif in network_info:
self.vif_driver.attach(instance, vif, container_id)
def _get_image_name(self, context, instance, image):
fmt = image['container_format']
if fmt != 'docker':
msg = _('Image container format not supported ({0})')
raise exception.InstanceDeployFailure(msg.format(fmt),
instance_id=instance['name'])
return image['name']
def plug_midonet(self, instance, vif):
"""Plug into MidoNet's network port
This accomplishes binding of the vif to a MidoNet virtual port
"""
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
port_id = network.get_ovs_interfaceid(vif)
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
undo_mgr.undo_with(lambda: utils.execute(
'ip', 'link', 'delete', if_local_name, run_as_root=True))
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
utils.execute('mm-ctl', '--bind-port', port_id, if_local_name,
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def spawn(self, context, instance, image_meta, injected_files,
admin_password, network_info=None, block_device_info=None,
flavor=None):
image_name = self._get_image_name(context, instance, image_meta)
args = {
'hostname': instance['name'],
'mem_limit': self._get_memory_limit_bytes(instance),
'cpu_shares': self._get_cpu_shares(instance),
'network_disabled': True,
}
try:
image = self.docker.inspect_image(self._encode_utf8(image_name))
except errors.APIError:
image = None
if not image:
image = self._pull_missing_image(context, image_meta, instance)
# Glance command-line overrides any set in the Docker image
if (image_meta and
image_meta.get('properties', {}).get('os_command_line')):
args['command'] = image_meta['properties'].get('os_command_line')
if 'metadata' in instance:
args['environment'] = nova_utils.instance_meta(instance)
container_id = self._create_container(instance, image_name, args)
if not container_id:
raise exception.InstanceDeployFailure(
_('Cannot create container'),
instance_id=instance['name'])
self._start_container(container_id, instance, network_info)
def _get_image_name(self, context, instance, image):
fmt = image['container_format']
if fmt != 'docker':
msg = _('Image container format not supported ({0})')
raise exception.InstanceDeployFailure(msg.format(fmt),
instance_id=instance['name'])
return image['name']
def plug_iovisor(self, instance, vif):
"""Plug docker vif into IOvisor
Creates a port on IOvisor and onboards the interface
"""
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
iface_id = vif['id']
net_id = vif['network']['id']
tenant_id = instance['project_id']
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
utils.execute('ifc_ctl', 'gateway', 'add_port', if_local_name,
run_as_root=True)
utils.execute('ifc_ctl', 'gateway', 'ifup', if_local_name,
'access_vm',
vif['network']['label'] + "_" + iface_id,
vif['address'], 'pgtag2=%s' % net_id,
'pgtag1=%s' % tenant_id, run_as_root=True)
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network on IOvisor")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'
), {'old': self._nodename,
'new': nodename})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus': hostinfo.get_total_vcpus(),
'vcpus_used': hostinfo.get_vcpus_used(self.list_instances(True)),
'memory_mb': memory['total'] / units.Mi,
'memory_mb_used': memory['used'] / units.Mi,
'local_gb': disk['total'] / units.Gi,
'local_gb_used': disk['used'] / units.Gi,
'disk_available_least': disk['available'] / units.Gi,
'hypervisor_type': 'docker',
'hypervisor_version': utils.convert_version_to_int('1.0'),
'hypervisor_hostname': self._nodename,
'cpu_info': '?',
'supported_instances': jsonutils.dumps([
(arch.I686, hv_type.DOCKER, vm_mode.EXE),
(arch.X86_64, hv_type.DOCKER, vm_mode.EXE)
])
}
return stats
def plug_ovs(self, instance, vif):
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
bridge = vif['network']['bridge']
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip',
'link',
'add',
'name',
if_local_name,
'type',
'veth',
'peer',
'name',
if_remote_name,
run_as_root=True)
linux_net.create_ovs_vif_port(bridge, if_local_name,
network.get_ovs_interfaceid(vif),
vif['address'], instance['uuid'])
utils.execute('ip',
'link',
'set',
if_local_name,
'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def spawn(self, context, instance, image_meta, injected_files,
admin_password, network_info=None, block_device_info=None):
image_name = self._get_image_name(context, instance, image_meta)
args = {
'Hostname': instance['name'],
'Image': image_name,
'Memory': self._get_memory_limit_bytes(instance),
'CpuShares': self._get_cpu_shares(instance),
'NetworkDisabled': True,
}
image = self.docker.inspect_image(image_name)
if not image:
image = self._pull_missing_image(context, image_meta, instance)
if not (image and image['ContainerConfig']['Cmd']):
args['Cmd'] = ['sh']
# Glance command-line overrides any set in the Docker image
if (image_meta and
image_meta.get('properties', {}).get('os_command_line')):
args['Cmd'] = image_meta['properties'].get('os_command_line')
container_id = self._create_container(instance, args)
if not container_id:
raise exception.InstanceDeployFailure(
_('Cannot create container'),
instance_id=instance['name'])
self._start_container(instance, network_info)
def unplug_ovs(self, instance, vif):
"""Unplug the VIF by deleting the port from the bridge."""
try:
linux_net.delete_ovs_vif_port(vif['network']['bridge'],
vif['devname'])
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'
) % {'old': self._nodename,
'new': nodename})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus': 1,
'vcpus_used': 0,
'memory_mb': memory['total'] / units.Mi,
'memory_mb_used': memory['used'] / units.Mi,
'local_gb': disk['total'] / units.Gi,
'local_gb_used': disk['used'] / units.Gi,
'disk_available_least': disk['available'] / units.Gi,
'hypervisor_type': 'docker',
'hypervisor_version': utils.convert_version_to_int('1.0'),
'hypervisor_hostname': self._nodename,
'cpu_info': '?',
'supported_instances': jsonutils.dumps([
('i686', 'docker', 'lxc'),
('x86_64', 'docker', 'lxc')
])
}
return stats
def unplug_ovs_hybrid(self, instance, vif):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
try:
br_name = self.get_br_name(vif['id'])
v1_name, v2_name = self.get_veth_pair_names(vif['id'])
if linux_net.device_exists(br_name):
utils.execute('brctl',
'delif',
br_name,
v1_name,
run_as_root=True)
utils.execute('ip',
'link',
'set',
br_name,
'down',
run_as_root=True)
utils.execute('brctl', 'delbr', br_name, run_as_root=True)
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif), v2_name)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def spawn(self,
context,
instance,
image_meta,
injected_files,
admin_password,
network_info=None,
block_device_info=None,
flavor=None,
image_name=None):
if not image_name:
image_name = self._get_image_name(context, instance, image_meta)
ips = self._extract_ips_entries(network_info)
ips_addr = '-'.join(ips[0].split('.'))
LOG.info('ooooooooo:%s:%s', (ips, ips_addr))
dns = self._extract_dns_entries(network_info)
#'hostname': instance['name'],
args = {
'hostname':
'docker%s' % ips_addr,
'mem_limit':
self._get_memory_limit_bytes(instance),
'cpu_shares':
self._get_cpu_shares(instance),
'network_disabled':
True,
'dns':
dns,
'extra_hosts': ["docker%s:%s" % (ips_addr, ips[0])],
'binds':
["/data/docker/%s:/data" % ips_addr,
"/tmp/%s:/tmp" % ips_addr],
}
try:
LOG.info('IIIIIIIIIIIIIIIIIIIIIIIIMAGE name %s' % image_name)
image = self.docker.inspect_image(self._encode_utf8(image_name))
except errors.APIError:
image = None
if not image:
image = self._pull_missing_image1(context, image_meta, instance)
# Glance command-line overrides any set in the Docker image
if (image_meta is not None
and image_meta.properties.get("os_command_line") is not None):
args['command'] = image_meta.properties.get("os_command_line")
if 'metadata' in instance:
args['environment'] = nova_utils.instance_meta(instance)
container_id = self._create_container(instance, image_name, args)
###container create finish###
if not container_id:
raise exception.InstanceDeployFailure(_('Cannot create container'),
instance_id=instance['name'])
self._start_container(container_id, instance, network_info)
def find_fixed_ip(instance, network_info):
for subnet in network_info['subnets']:
netmask = subnet['cidr'].split('/')[1]
for ip in subnet['ips']:
if ip['type'] == 'fixed' and ip['address']:
return ip['address'] + "/" + netmask
raise exception.InstanceDeployFailure(_('Cannot find fixed ip'),
instance_id=instance['uuid'])
def unplug(self, instance, vif):
try:
self._vrouter_client.delete_port(vif['id'])
except Exception:
LOG.exception(_("Delete port failed"), instance=instance)
if_local_name = 'veth%s' % vif['id'][:8]
utils.execute('ip', 'link', 'delete', if_local_name, run_as_root=True)
def find_dhcp(instance, network_info):
for subnet in network_info['subnets']:
if subnet['meta'].get('dhcp_server'):
return subnet['meta']['dhcp_server']
else:
return subnet['gateway']['address']
raise exception.InstanceDeployFailure(_('Cannot find dhcp'),
instance_id=instance['uuid'])
def find_fixed_ip(instance, network_info):
for subnet in network_info['subnets']:
netmask = subnet['cidr'].split('/')[1]
for ip in subnet['ips']:
if ip['type'] == 'fixed' and ip['address']:
return ip['address'] + "/" + netmask
raise exception.InstanceDeployFailure(_('Cannot find fixed ip'),
instance_id=instance['uuid'])
def find_fixed_ip(instance, subnet):
try:
netmask = subnet['cidr'].split('/')[1]
for ip in subnet['ips']:
if ip['type'] == 'fixed' and ip['address']:
return ip['address'] + "/" + netmask
except Exception, e:
raise exception.InstanceDeployFailure(_('Cannot find fixed ip'),
instance_id=instance['uuid'])
def _start_container(self, container_id, instance, network_info=None):
binds = self._get_key_binds(container_id, instance)
dns = self._extract_dns_entries(network_info)
self.docker.start(container_id, binds=binds, dns=dns)
if not network_info:
return
try:
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot setup network: %s'),
e, instance=instance, exc_info=True)
msg = _('Cannot setup network: {0}')
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(msg.format(e),
instance_id=instance['name'])
def unplug_midonet(self, instance, vif):
"""Unplug into MidoNet's network port
This accomplishes unbinding of the vif from its MidoNet virtual port
"""
try:
utils.execute('mm-ctl', '--unbind-port',
network.get_ovs_interfaceid(vif), run_as_root=True)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def unplug_midonet(self, instance, vif):
"""Unplug into MidoNet's network port
This accomplishes unbinding of the vif from its MidoNet virtual port
"""
try:
utils.execute('mm-ctl', '--unbind-port',
network.get_ovs_interfaceid(vif), run_as_root=True)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def _stop(self, container_id, instance, timeout=5):
try:
self.docker.stop(container_id, max(timeout, 5))
except errors.APIError as e:
if 'Unpause the container before stopping' not in e.explanation:
LOG.warning(_('Cannot stop container: %s'),
e, instance=instance, exc_info=True)
raise
self.docker.unpause(container_id)
self.docker.stop(container_id, timeout)
def teardown_network(container_id):
try:
output, err = utils.execute('ip', '-o', 'netns', 'list')
for line in output.split('\n'):
if container_id == line.strip():
utils.execute('ip', 'netns', 'delete', container_id,
run_as_root=True)
break
except processutils.ProcessExecutionError:
LOG.warning(_('Cannot remove network namespace, netns id: %s'),
container_id)
def plug(self, instance, vif):
vif_type = vif['type']
LOG.debug('plug vif_type=%(vif_type)s instance=%(instance)s '
'vif=%(vif)s',
{'vif_type': vif_type, 'instance': instance,
'vif': vif})
if vif_type is None:
raise exception.NovaException(
_("vif_type parameter must be present "
"for this vif_driver implementation"))
if vif_type == network_model.VIF_TYPE_BRIDGE:
self.plug_bridge(instance, vif)
elif vif_type == network_model.VIF_TYPE_OVS:
self.plug_ovs(instance, vif)
else:
raise exception.NovaException(
_("Unexpected vif_type=%s") % vif_type)
def unpause(self, instance):
"""Unpause paused VM instance.
:param instance: nova.objects.instance.Instance
"""
try:
cont_id = self._find_container_by_name(instance['name']).get('id')
if not self.docker.unpause_container(cont_id):
raise exception.NovaException
except Exception as e:
msg = _('Cannot unpause container: {0}')
raise exception.NovaException(msg.format(e),
instance_id=instance['name'])
def spawn(self, context, instance, image_meta, injected_files,
admin_password, network_info=None, block_device_info=None,
flavor=None, image_name=None):
if not image_name:
image_name = self._get_image_name(context, instance, image_meta)
ips=self._extract_ips_entries(network_info)
ips_addr='-'.join(ips[0].split('.'))
LOG.info('ooooooooo:%s:%s',(ips,ips_addr))
dns=self._extract_dns_entries(network_info)
#'hostname': instance['name'],
args = {
'hostname': 'docker%s' % ips_addr,
'mem_limit': self._get_memory_limit_bytes(instance),
'cpu_shares': self._get_cpu_shares(instance),
'network_disabled': True,
'dns': dns,
'extra_hosts': ["docker%s:%s" % (ips_addr,ips[0])
],
'binds': [
"/data/docker/%s:/data" % ips_addr,
"/tmp/%s:/tmp" % ips_addr
],
}
try:
LOG.info('IIIIIIIIIIIIIIIIIIIIIIIIMAGE name %s' % image_name)
image = self.docker.inspect_image(self._encode_utf8(image_name))
except errors.APIError:
image = None
if not image:
image = self._pull_missing_image1(context, image_meta, instance)
# Glance command-line overrides any set in the Docker image
if (image_meta is not None and
image_meta.properties.get("os_command_line") is not None):
args['command'] = image_meta.properties.get("os_command_line")
if 'metadata' in instance:
args['environment'] = nova_utils.instance_meta(instance)
container_id = self._create_container(instance, image_name, args)
###container create finish###
if not container_id:
raise exception.InstanceDeployFailure(
_('Cannot create container'),
instance_id=instance['name'])
self._start_container(container_id, instance, network_info)
def plug_bridge(self, instance, vif):
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
bridge = vif['network']['bridge']
gateway = network.find_gateway(instance, vif['network'])
net = vif['network']
if net.get_meta('should_create_vlan', False):
vlan = net.get_meta('vlan'),
iface = (CONF.vlan_interface or
vif['network'].get_meta('bridge_interface'))
linux_net.LinuxBridgeInterfaceDriver.ensure_vlan_bridge(
vlan,
bridge,
iface,
net_attrs=vif,
mtu=vif.get('mtu'))
iface = 'vlan%s' % vlan
else:
iface = (CONF.flat_interface or
vif['network'].get_meta('bridge_interface'))
LOG.debug('Ensuring bridge for %s - %s' % (iface, bridge))
linux_net.LinuxBridgeInterfaceDriver.ensure_bridge(
bridge,
iface,
net_attrs=vif,
gateway=gateway)
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
undo_mgr.undo_with(lambda: utils.execute(
'ip', 'link', 'delete', if_local_name, run_as_root=True))
# NOTE(samalba): Deleting the interface will delete all
# associated resources (remove from the bridge, its pair, etc...)
utils.execute('ip', 'link', 'set', if_local_name, 'address',
self._fe_random_mac(), run_as_root=True)
utils.execute('brctl', 'addif', bridge, if_local_name,
run_as_root=True)
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def plug_bridge(self, instance, vif):
LOG.info('5555')
if_local_name = 'tap%s' % vif['id'][:11]
if_remote_name = 'ns%s' % vif['id'][:11]
bridge = vif['network']['bridge']
gateway = network.find_gateway(instance, vif['network'])
vlan = vif.get('vlan')
if vlan is not None:
iface = (CONF.vlan_interface or
vif['network'].get_meta('bridge_interface'))
linux_net.LinuxBridgeInterfaceDriver.ensure_vlan_bridge(
vlan,
bridge,
iface,
net_attrs=vif,
mtu=vif.get('mtu'))
iface = 'vlan%s' % vlan
else:
iface = (CONF.flat_interface or
vif['network'].get_meta('bridge_interface'))
LOG.debug('Ensuring bridge for %s - %s' % (iface, bridge))
linux_net.LinuxBridgeInterfaceDriver.ensure_bridge(
bridge,
iface,
net_attrs=vif,
gateway=gateway)
# Device already exists so return.
if linux_net.device_exists(if_local_name):
return
undo_mgr = utils.UndoManager()
try:
utils.execute('ip', 'link', 'add', 'name', if_local_name, 'type',
'veth', 'peer', 'name', if_remote_name,
run_as_root=True)
undo_mgr.undo_with(lambda: utils.execute(
'ip', 'link', 'delete', if_local_name, run_as_root=True))
# NOTE(samalba): Deleting the interface will delete all
# associated resources (remove from the bridge, its pair, etc...)
utils.execute('ip', 'link', 'set', if_local_name, 'address',
self._fe_random_mac(), run_as_root=True)
utils.execute('brctl', 'addif', bridge, if_local_name,
run_as_root=True)
utils.execute('ip', 'link', 'set', if_local_name, 'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to configure network")
msg = _('Failed to setup the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
def _start_container(self, container_id, instance, network_info=None):
binds = self._get_key_binds(container_id, instance)
dns = self._extract_dns_entries(network_info)
ips=self._extract_ips_entries(network_info)
self.docker.start(container_id, binds=binds, dns=dns,
privileged=CONF.docker.privileged)
if not network_info:
return
timeout = CONF.vif_plugging_timeout
if (utils.is_neutron() and timeout):
events = self._get_neutron_events(network_info)
else:
events = []
try:
with self.virtapi.wait_for_instance_event(
instance, events, deadline=timeout,
error_callback=self._neutron_failed_callback):
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except eventlet.timeout.Timeout:
LOG.warn(_LW('Timeout waiting for vif plugging callback for '
'instance %(uuid)s'), {'uuid': instance['name']})
if CONF.vif_plugging_is_fatal:
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(
'Timeout waiting for vif plugging',
instance_id=instance['name'])
except (Exception) as e:
LOG.warning(_('Cannot setup network: %s'),
e, instance=instance, exc_info=True)
msg = _('Cannot setup network: {0}')
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(msg.format(e),
instance_id=instance['name'])
def _start_container(self, container_id, instance, network_info=None):
binds = self._get_key_binds(container_id, instance)
dns = self._extract_dns_entries(network_info)
self.docker.start(container_id,
binds=binds,
dns=dns,
privileged=CONF.docker.privileged)
if not network_info:
return
try:
self.plug_vifs(instance, network_info)
self._attach_vifs(instance, network_info)
except Exception as e:
LOG.warning(_('Cannot setup network: %s'),
e,
instance=instance,
exc_info=True)
msg = _('Cannot setup network: {0}')
self.docker.kill(container_id)
self.docker.remove_container(container_id, force=True)
raise exception.InstanceDeployFailure(msg.format(e),
instance_id=instance['name'])
def teardown_network(container_id):
try:
output, err = utils.execute('ip', '-o', 'netns', 'list')
for line in output.split('\n'):
if container_id == line.strip():
utils.execute('ip',
'netns',
'delete',
container_id,
run_as_root=True)
break
except processutils.ProcessExecutionError:
LOG.warning(_('Cannot remove network namespace, netns id: %s'),
container_id)
def get_available_resource(self, nodename):
if not hasattr(self, '_nodename'):
self._nodename = nodename
if nodename != self._nodename:
LOG.error(
_('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.'), {
'old': self._nodename,
'new': nodename
})
memory = hostinfo.get_memory_usage()
disk = hostinfo.get_disk_usage()
stats = {
'vcpus':
hostinfo.get_total_vcpus(),
'vcpus_used':
hostinfo.get_vcpus_used(self.list_instances(True)),
'memory_mb':
memory['total'] / units.Mi,
'memory_mb_used':
memory['used'] / units.Mi,
'local_gb':
disk['total'] / units.Gi,
'local_gb_used':
disk['used'] / units.Gi,
'disk_available_least':
disk['available'] / units.Gi,
'hypervisor_type':
'docker',
'hypervisor_version':
versionutils.convert_version_to_int('1.0'),
'hypervisor_hostname':
self._nodename,
'cpu_info':
'?',
'numa_topology':
None,
# zy: pay attention that if you do not define supported_instance,you won't start an container from this node
# zy: add new architectures
'supported_instances':
[(arch.I686, hv_type.DOCKER, vm_mode.EXE),
(arch.X86_64, hv_type.DOCKER, vm_mode.EXE),
(arch.ARMV7, hv_type.DOCKER, vm_mode.EXE),
(arch.AARCH64, hv_type.DOCKER, vm_mode.EXE),
(arch.PPC64LE, hv_type.DOCKER, vm_mode.EXE)]
}
return stats
def unplug(self, instance, vif):
vif_type = vif['type']
if_local_name = 'veth%s' % vif['id'][:8]
LOG.debug('Unplug vif_type=%(vif_type)s instance=%(instance)s '
'vif=%(vif)s',
{'vif_type': vif_type, 'instance': instance,
'vif': vif})
try:
self._vrouter_client.delete_port(vif['id'])
if linux_net.device_exists(if_local_name):
utils.execute('ip', 'link', 'delete', if_local_name,
run_as_root=True)
except Exception:
LOG.exception(_("Delete port failed"), instance=instance)
def unplug_iovisor(self, instance, vif):
"""Unplug vif from IOvisor
Offboard an interface and deletes port from IOvisor
"""
if_local_name = 'tap%s' % vif['id'][:11]
iface_id = vif['id']
try:
utils.execute('ifc_ctl', 'gateway', 'ifdown',
if_local_name, 'access_vm',
vif['network']['label'] + "_" + iface_id,
vif['address'], run_as_root=True)
utils.execute('ifc_ctl', 'gateway', 'del_port', if_local_name,
run_as_root=True)
linux_net.delete_net_dev(if_local_name)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def init_host(self, host):
if self._is_daemon_running() is False:
raise exception.NovaException(
_('Docker daemon is not running or is not reachable'
' (check the rights on /var/run/docker.sock)'))
def attach(self, instance, vif, container_id):
vif_type = vif['type']
LOG.debug(
'Attach vif_type=%(vif_type)s instance=%(instance)s '
'vif=%(vif)s', {
'vif_type': vif_type,
'instance': instance,
'vif': vif
})
if_local_name = 'veth%s' % vif['id'][:8]
if_remote_name = 'ns%s' % vif['id'][:8]
undo_mgr = utils.UndoManager()
undo_mgr.undo_with(lambda: utils.execute(
'ip', 'link', 'delete', if_local_name, run_as_root=True))
ipv4_address = '0.0.0.0'
ipv6_address = None
if 'subnets' in vif['network']:
subnets = vif['network']['subnets']
for subnet in subnets:
ips = subnet['ips'][0]
if (ips['version'] == 4):
if ips['address'] is not None:
ipv4_address = ips['address']
ipv4_netmask = subnet['cidr'].split('/')[1]
ipv4_gateway = subnet['gateway']['address']
if (ips['version'] == 6):
if ips['address'] is not None:
ipv6_address = ips['address']
ipv6_netmask = subnet['cidr'].split('/')[1]
ipv6_gateway = subnet['gateway']['address']
params = {
'ip_address': ipv4_address,
'vn_id': vif['network']['id'],
'display_name': instance['display_name'],
'hostname': instance['hostname'],
'host': instance['host'],
'vm_project_id': instance['project_id'],
'port_type': 'NovaVMPort',
'ip6_address': ipv6_address,
}
try:
utils.execute('ip',
'link',
'set',
if_remote_name,
'netns',
container_id,
run_as_root=True)
result = self._vrouter_client.add_port(instance['uuid'], vif['id'],
if_local_name,
vif['address'], **params)
if not result:
# follow the exception path
raise RuntimeError('add_port returned %s' % str(result))
utils.execute('ip',
'link',
'set',
if_local_name,
'up',
run_as_root=True)
except Exception:
LOG.exception("Failed to attach the network")
msg = _('Failed to attach the network, rolling back')
undo_mgr.rollback_and_reraise(msg=msg, instance=instance)
try:
utils.execute('ip',
'netns',
'exec',
container_id,
'ip',
'link',
'set',
if_remote_name,
'address',
vif['address'],
run_as_root=True)
if ipv6_address:
ip = ipv6_address + "/" + ipv6_netmask
gateway = ipv6_gateway
utils.execute('ip',
'netns',
'exec',
container_id,
'ifconfig',
if_remote_name,
'inet6',
'add',
ip,
run_as_root=True)
utils.execute('ip',
'netns',
'exec',
container_id,
'ip',
'-6',
'route',
'replace',
'default',
'via',
gateway,
'dev',
if_remote_name,
run_as_root=True)
if ipv4_address != '0.0.0.0':
ip = ipv4_address + "/" + ipv4_netmask
gateway = ipv4_gateway
utils.execute('ip',
'netns',
'exec',
container_id,
'ifconfig',
if_remote_name,
ip,
run_as_root=True)
utils.execute('ip',
'netns',
'exec',
container_id,
'ip',
'route',
'replace',
'default',
'via',
gateway,
'dev',
if_remote_name,
run_as_root=True)
utils.execute('ip',
'netns',
'exec',
container_id,
'ip',
'link',
'set',
if_remote_name,
'up',
run_as_root=True)
except Exception:
LOG.exception(_("Failed to attach vif"), instance=instance)