def release_node(self, tag, node_id):
session = get_session()
with session.begin():
query = model_query(models.Node, session=session)
query = add_identity_filter(query, node_id)
# be optimistic and assume we usually release a reservation
count = query.filter_by(reservation=tag).update(
{'reservation': None}, synchronize_session=False)
try:
if count != 1:
node = query.one()
if node['reservation'] is None:
raise exception.NodeNotLocked(node=node_id)
else:
raise exception.NodeLocked(node=node_id,
host=node['reservation'])
except NoResultFound:
raise exception.NodeNotFound(node_id)
def reserve_node(self, tag, node_id):
session = get_session()
with session.begin():
query = model_query(models.Node, session=session)
query = add_identity_filter(query, node_id)
# be optimistic and assume we usually create a reservation
count = query.filter_by(reservation=None).update(
{'reservation': tag}, synchronize_session=False)
try:
node = query.one()
if count != 1:
# Nothing updated and node exists. Must already be
# locked.
raise exception.NodeLocked(node=node_id,
host=node['reservation'])
return node
except NoResultFound:
raise exception.NodeNotFound(node_id)
def test_shared_lock_node_get_exception(self, get_portgroups_mock,
get_ports_mock, build_driver_mock,
reserve_mock, release_mock,
node_get_mock):
node_get_mock.side_effect = exception.NodeNotFound(node='foo')
self.assertRaises(exception.NodeNotFound,
task_manager.TaskManager,
self.context,
'fake-node-id',
shared=True)
self.assertFalse(reserve_mock.called)
self.assertFalse(release_mock.called)
node_get_mock.assert_called_once_with(self.context, 'fake-node-id')
self.assertFalse(get_ports_mock.called)
self.assertFalse(get_portgroups_mock.called)
self.assertFalse(build_driver_mock.called)
def _get_power_status(ssh_obj, driver_info):
"""Returns a node's current power state.
:param ssh_obj: paramiko.SSHClient, an active ssh connection.
:param driver_info: information for accessing the node.
:returns: one of ironic.common.states POWER_OFF, POWER_ON.
:raises: NodeNotFound
"""
power_state = None
node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
if node_name:
# Get a list of vms running on the host. If the command supports
# it, explicitly specify the desired node."
cmd_to_exec = "%s %s" % (driver_info['cmd_set']['base_cmd'],
driver_info['cmd_set']['list_running'])
cmd_to_exec = cmd_to_exec.replace('{_NodeName_}', node_name)
running_list = _ssh_execute(ssh_obj, cmd_to_exec)
# Command should return a list of running vms. If the current node is
# not listed then we can assume it is not powered on.
quoted_node_name = '"%s"' % node_name
for node in running_list:
if not node:
continue
# 'node' here is an formatted output from the virt cli's. The
# node name is always quoted but can contain other information.
# vbox returns '"NodeName" {b43c4982-110c-4c29-9325-d5f41b053513}'
# so we must use the 'in' comparison here and not '=='
if quoted_node_name in node:
power_state = states.POWER_ON
break
if not power_state:
power_state = states.POWER_OFF
else:
err_msg = _LE('Node "%(host)s" with MAC address %(mac)s not found.')
LOG.error(err_msg, {
'host': driver_info['host'],
'mac': driver_info['macs']
})
raise exception.NodeNotFound(node=driver_info['host'])
return power_state
def destroy_node(self, node_id):
with _session_for_write():
query = model_query(models.Node)
query = add_identity_filter(query, node_id)
try:
node_ref = query.one()
except NoResultFound:
raise exception.NodeNotFound(node=node_id)
# Get node ID, if an UUID was supplied. The ID is
# required for deleting all ports, attached to the node.
if uuidutils.is_uuid_like(node_id):
node_id = node_ref['id']
port_query = model_query(models.Port)
port_query = add_port_filter_by_node(port_query, node_id)
port_query.delete()
query.delete()
def _do_update_node(self, node_id, values):
session = get_session()
with session.begin():
query = model_query(models.Node, session=session)
query = add_identity_filter(query, node_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.NodeNotFound(node=node_id)
# Prevent instance_uuid overwriting
if values.get("instance_uuid") and ref.instance_uuid:
raise exception.NodeAssociated(node=node_id,
instance=ref.instance_uuid)
if 'provision_state' in values:
values['provision_updated_at'] = timeutils.utcnow()
ref.update(values)
return ref
def _get_domain_by_macs(task):
"""Get the domain the host uses to reference the node.
:param task: a TaskManager instance containing the node to act on
:returns: the libvirt domain object.
:raises: NodeNotFound if could not find a VM corresponding to any
of the provided MACs.
:raises: InvalidParameterValue if any connection parameters are
incorrect or if failed to connect to the Libvirt uri.
:raises: LibvirtError if failed to connect to the Libvirt uri.
"""
driver_info = _parse_driver_info(task.node)
conn = _get_libvirt_connection(driver_info)
driver_info['macs'] = driver_utils.get_node_mac_addresses(task)
node_macs = {_normalize_mac(mac) for mac in driver_info['macs']}
full_node_list = conn.listAllDomains()
for domain in full_node_list:
LOG.debug("Checking Domain: %s's Mac address." % domain.name())
parsed = ET.fromstring(domain.XMLDesc())
domain_macs = {
_normalize_mac(el.attrib['address'])
for el in parsed.iter('mac')
}
found_macs = domain_macs & node_macs # this is intersection of sets
if found_macs:
LOG.debug("Found MAC addresses: %s "
"for node: %s" % (found_macs, driver_info['uuid']))
return domain
raise exception.NodeNotFound(
_("Can't find domain with specified MACs: %(macs)s "
"for node %(node)s.") % {
'macs': driver_info['macs'],
'node': driver_info['uuid']
})
def get_rpc_node(node_ident):
"""Get the RPC node from the node uuid or logical name.
:param node_ident: the UUID or logical name of a node.
:returns: The RPC Node.
:raises: InvalidUuidOrName if the name or uuid provided is not valid.
:raises: NodeNotFound if the node is not found.
"""
# Check to see if the node_ident is a valid UUID. If it is, treat it
# as a UUID.
if uuidutils.is_uuid_like(node_ident):
return objects.Node.get_by_uuid(pecan.request.context, node_ident)
# We can refer to nodes by their name, if the client supports it
if allow_node_logical_names():
if is_valid_logical_name(node_ident):
return objects.Node.get_by_name(pecan.request.context, node_ident)
raise exception.InvalidUuidOrName(name=node_ident)
# Ensure we raise the same exception as we did for the Juno release
raise exception.NodeNotFound(node=node_ident)
def _find_node_by_macs(self, context, mac_addresses):
"""Given a list of MAC addresses, find the ports that match the MACs
and return the node they are all connected to.
:raises: NodeNotFound if the ports point to multiple nodes or no
nodes.
"""
ports = self._find_ports_by_macs(context, mac_addresses)
if not ports:
raise exception.NodeNotFound(
_('No ports matching the given MAC addresses %sexist in the '
'database.') % mac_addresses)
node_id = self._get_node_id(ports)
try:
node = objects.Node.get_by_id(context, node_id)
except exception.NodeNotFound:
with excutils.save_and_reraise_exception():
LOG.exception(
_LE('Could not find matching node for the '
'provided MACs %s.'), mac_addresses)
return node
def release_nodes(self, tag, nodes):
session = get_session()
with session.begin():
# TODO(deva): Optimize this by trying to release all the nodes
# at once, and fall back to releasing one at a time
# only if needed to determine the cause of an error.
for node in nodes:
query = model_query(models.Node, session=session)
query = add_identity_filter(query, node)
# be optimistic and assume we usually release a reservation
count = query.filter_by(reservation=tag).\
update({'reservation': None})
if count != 1:
try:
ref = query.one()
except NoResultFound:
raise exception.NodeNotFound(node=node)
else:
if ref['reservation'] is not None:
raise exception.NodeLocked(node=node)
def _get_node_id(self, ports):
"""Given a list of ports, either return the node_id they all share or
raise a NotFound if there are multiple node_ids, which indicates some
ports are connected to one node and the remaining port(s) are connected
to one or more other nodes.
:raises: NodeNotFound if the MACs match multiple nodes. This
could happen if you swapped a NIC from one server to another and
don't notify Ironic about it or there is a MAC collision (since
they're not guaranteed to be unique).
"""
# See if all the ports point to the same node
node_ids = set(port_ob.node_id for port_ob in ports)
if len(node_ids) > 1:
raise exception.NodeNotFound(
_('Ports matching mac addresses match multiple nodes. MACs: '
'%(macs)s. Port ids: %(port_ids)s') % {
'macs': [port_ob.address for port_ob in ports],
'port_ids': [port_ob.uuid for port_ob in ports]
})
# Only have one node_id left, return it.
return node_ids.pop()
def destroy_node(self, node_id):
with _session_for_write():
query = model_query(models.Node)
query = add_identity_filter(query, node_id)
try:
node_ref = query.one()
except NoResultFound:
raise exception.NodeNotFound(node=node_id)
# Get node ID, if an UUID was supplied. The ID is
# required for deleting all ports, attached to the node.
if uuidutils.is_uuid_like(node_id):
node_id = node_ref['id']
port_query = model_query(models.Port)
port_query = add_port_filter_by_node(port_query, node_id)
port_query.delete()
portgroup_query = model_query(models.Portgroup)
portgroup_query = add_portgroup_filter_by_node(
portgroup_query, node_id)
portgroup_query.delete()
# Delete all tags attached to the node
tag_query = model_query(models.NodeTag).filter_by(node_id=node_id)
tag_query.delete()
volume_connector_query = model_query(
models.VolumeConnector).filter_by(node_id=node_id)
volume_connector_query.delete()
volume_target_query = model_query(
models.VolumeTarget).filter_by(node_id=node_id)
volume_target_query.delete()
query.delete()
def _do_update_node(self, node_id, values):
with _session_for_write():
query = model_query(models.Node)
query = add_identity_filter(query, node_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.NodeNotFound(node=node_id)
if 'provision_state' in values:
values['provision_updated_at'] = timeutils.utcnow()
if values['provision_state'] == states.INSPECTING:
values['inspection_started_at'] = timeutils.utcnow()
values['inspection_finished_at'] = None
elif (ref.provision_state == states.INSPECTING
and values['provision_state'] == states.MANAGEABLE):
values['inspection_finished_at'] = timeutils.utcnow()
values['inspection_started_at'] = None
elif (ref.provision_state == states.INSPECTING
and values['provision_state'] == states.INSPECTFAIL):
values['inspection_started_at'] = None
ref.update(values)
return ref
def _get_power_status(ssh_obj, driver_info):
"""Returns a node's current power state.
:param ssh_obj: paramiko.SSHClient, an active ssh connection.
:param driver_info: information for accessing the node.
:returns: one of ironic.common.states POWER_OFF, POWER_ON.
:raises: NodeNotFound
"""
power_state = None
node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
if node_name:
# Get a list of vms running on the host. If the command supports
# it, explicitly specify the desired node."
cmd_to_exec = "%s %s" % (driver_info['cmd_set']['base_cmd'],
driver_info['cmd_set']['list_running'])
cmd_to_exec = cmd_to_exec.replace('{_NodeName_}', node_name)
running_list = _ssh_execute(ssh_obj, cmd_to_exec)
for node in running_list:
if not node:
continue
if node_name in node:
power_state = states.POWER_ON
break
if not power_state:
power_state = states.POWER_OFF
else:
err_msg = _LE('Node "%(host)s" with MAC address %(mac)s not found.')
LOG.error(err_msg, {
'host': driver_info['host'],
'mac': driver_info['macs']
})
raise exception.NodeNotFound(node=driver_info['host'])
return power_state
def _check_node_exists(self, node_id):
if not model_query(models.Node).filter_by(id=node_id).scalar():
raise exception.NodeNotFound(node=node_id)
def post(self, port):
"""Create a new port.
:param port: a port within the request body.
:raises: NotAcceptable, HTTPNotFound, Conflict
"""
if self.parent_node_ident or self.parent_portgroup_ident:
raise exception.OperationNotPermitted()
# NOTE(lucasagomes): Create the node_id attribute on-the-fly
# to satisfy the api -> rpc object
# conversion.
# NOTE(TheJulia): The get of the node *does* check if the node
# can be accessed. We need to be able to get the node regardless
# in order to perform the actual policy check.
raise_node_not_found = False
node = None
owner = None
lessee = None
node_uuid = port.get('node_uuid')
try:
node = api_utils.replace_node_uuid_with_id(port)
owner = node.owner
lessee = node.lessee
except exception.NotFound:
raise_node_not_found = True
# While the rule is for the port, the base object that controls access
# is the node.
api_utils.check_owner_policy('node',
'baremetal:port:create',
owner,
lessee=lessee,
conceal_node=False)
if raise_node_not_found:
# Delayed raise of NodeNotFound because we want to check
# the access policy first.
raise exception.NodeNotFound(node=node_uuid,
code=http_client.BAD_REQUEST)
context = api.request.context
self._check_allowed_port_fields(port)
portgroup = None
if port.get('portgroup_uuid'):
try:
portgroup = objects.Portgroup.get(api.request.context,
port.pop('portgroup_uuid'))
if portgroup.node_id != node.id:
raise exception.BadRequest(
_('Port can not be added to a '
'portgroup belonging to a '
'different node.'))
# NOTE(lucasagomes): Create the portgroup_id attribute
# on-the-fly to satisfy the api ->
# rpc object conversion.
port['portgroup_id'] = portgroup.id
except exception.PortgroupNotFound as e:
# Change error code because 404 (NotFound) is inappropriate
# response for a POST request to create a Port
e.code = http_client.BAD_REQUEST # BadRequest
raise e
if port.get('is_smartnic'):
try:
api_utils.LOCAL_LINK_SMART_NIC_VALIDATOR(
'local_link_connection', port.get('local_link_connection'))
except exception.Invalid:
raise exception.Invalid(
"Smart NIC port must have port_id "
"and hostname in local_link_connection")
physical_network = port.get('physical_network')
if physical_network is not None and not physical_network:
raise exception.Invalid('A non-empty value is required when '
'setting physical_network')
vif = api_utils.handle_post_port_like_extra_vif(port)
if (portgroup and (port.get('pxe_enabled') or vif)):
if not portgroup.standalone_ports_supported:
msg = _("Port group %s doesn't support standalone ports. "
"This port cannot be created as a member of that "
"port group because either 'extra/vif_port_id' "
"was specified or 'pxe_enabled' was set to True.")
raise exception.Conflict(msg % portgroup.uuid)
# NOTE(yuriyz): UUID is mandatory for notifications payload
if not port.get('uuid'):
port['uuid'] = uuidutils.generate_uuid()
rpc_port = objects.Port(context, **port)
notify_extra = {
'node_uuid': node.uuid,
'portgroup_uuid': portgroup and portgroup.uuid or None
}
notify.emit_start_notification(context, rpc_port, 'create',
**notify_extra)
with notify.handle_error_notification(context, rpc_port, 'create',
**notify_extra):
topic = api.request.rpcapi.get_topic_for(node)
new_port = api.request.rpcapi.create_port(context, rpc_port, topic)
notify.emit_end_notification(context, new_port, 'create',
**notify_extra)
# Set the HTTP Location Header
api.response.location = link.build_url('ports', new_port.uuid)
return convert_with_links(new_port)
def post(self, portgroup):
"""Create a new portgroup.
:param portgroup: a portgroup within the request body.
"""
if not api_utils.allow_portgroups():
raise exception.NotFound()
raise_node_not_found = False
node = None
owner = None
lessee = None
node_uuid = portgroup.get('node_uuid')
try:
# The replace_node_uuid_with_id also checks access to the node
# and will raise an exception if access is not permitted.
node = api_utils.replace_node_uuid_with_id(portgroup)
owner = node.owner
lessee = node.lessee
except exception.NotFound:
raise_node_not_found = True
# While the rule is for the port, the base object that controls access
# is the node.
api_utils.check_owner_policy('node',
'baremetal:portgroup:create',
owner,
lessee=lessee,
conceal_node=False)
if raise_node_not_found:
# Delayed raise of NodeNotFound because we want to check
# the access policy first.
raise exception.NodeNotFound(node=node_uuid,
code=http_client.BAD_REQUEST)
context = api.request.context
if self.parent_node_ident:
raise exception.OperationNotPermitted()
if (not api_utils.allow_portgroup_mode_properties()
and (portgroup.get('mode') or portgroup.get('properties'))):
raise exception.NotAcceptable()
if (portgroup.get('name')
and not api_utils.is_valid_logical_name(portgroup['name'])):
error_msg = _("Cannot create portgroup with invalid name "
"'%(name)s'") % {
'name': portgroup['name']
}
raise exception.ClientSideError(
error_msg, status_code=http_client.BAD_REQUEST)
# NOTE(yuriyz): UUID is mandatory for notifications payload
if not portgroup.get('uuid'):
portgroup['uuid'] = uuidutils.generate_uuid()
new_portgroup = objects.Portgroup(context, **portgroup)
notify.emit_start_notification(context,
new_portgroup,
'create',
node_uuid=node.uuid)
with notify.handle_error_notification(context,
new_portgroup,
'create',
node_uuid=node.uuid):
new_portgroup.create()
notify.emit_end_notification(context,
new_portgroup,
'create',
node_uuid=node.uuid)
# Set the HTTP Location Header
api.response.location = link.build_url('portgroups',
new_portgroup.uuid)
return convert_with_links(new_portgroup)
def _handle_node_lock_not_found(nodes, query, query_by):
refs = query.all()
existing = [ref[query_by] for ref in refs]
missing = set(nodes) - set(existing)
raise exception.NodeNotFound(node=missing.pop())
def get_node_by_uuid(self, node_uuid):
query = model_query(models.Node).filter_by(uuid=node_uuid)
try:
return query.one()
except NoResultFound:
raise exception.NodeNotFound(node=node_uuid)