/usr/lib/python2.7/dist-packages/os_cloud_config/nodes.py is in python-os-cloud-config 0.2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import time
from ironicclient.openstack.common.apiclient import exceptions as ironicexp
from novaclient.openstack.common.apiclient import exceptions as novaexc
import six
from os_cloud_config.cmd.utils import _clients as clients
LOG = logging.getLogger(__name__)
def register_nova_bm_node(service_host, node, client=None, blocking=True):
if not service_host:
raise ValueError("Nova-baremetal requires a service host.")
kwargs = {'pm_address': node["pm_addr"], 'pm_user': node["pm_user"]}
# Nova now enforces the password to be 255 or less characters, and the
# ssh key/password to use is set in configuration.
if not node.get('pm_password'):
LOG.debug('pm_password not set.')
elif len(node["pm_password"]) <= 255:
LOG.debug('Setting pm_password for nova-bm, it is <=255 characters.')
kwargs["pm_password"] = node["pm_password"]
else:
LOG.info('Ignoring pm_password for nova-bm, it is >255 characters.')
for count in range(60):
LOG.debug('Registering %s node with nova-baremetal, try #%d.' %
(node["pm_addr"], count))
try:
bm_node = client.baremetal.create(service_host,
six.text_type(node["cpu"]),
six.text_type(node["memory"]),
six.text_type(node["disk"]),
node["mac"][0], **kwargs)
break
except (novaexc.ConnectionRefused, novaexc.ServiceUnavailable):
if blocking:
LOG.debug('Service not available, sleeping for 10 seconds.')
time.sleep(10)
else:
LOG.debug('Service not available.')
else:
if blocking:
LOG.debug('Service unavailable after 10 minutes, giving up.')
else:
LOG.debug('Service unavailable after 60 tries, giving up.')
raise novaexc.ServiceUnavailable()
for mac in node["mac"][1:]:
client.baremetal.add_interface(bm_node, mac)
return bm_node
def _extract_driver_info(node):
if "ipmi" in node["pm_type"]:
driver_info = {"ipmi_address": node["pm_addr"],
"ipmi_username": node["pm_user"],
"ipmi_password": node["pm_password"]}
elif node["pm_type"] == "pxe_ssh":
if "pm_virt_type" not in node:
node["pm_virt_type"] = "virsh"
driver_info = {"ssh_address": node["pm_addr"],
"ssh_username": node["pm_user"],
"ssh_key_contents": node["pm_password"],
"ssh_virt_type": node["pm_virt_type"]}
elif node["pm_type"] == "pxe_ilo":
driver_info = {"ilo_address": node["pm_addr"],
"ilo_username": node["pm_user"],
"ilo_password": node["pm_password"]}
elif node["pm_type"] == "pxe_iboot":
driver_info = {"iboot_address": node["pm_addr"],
"iboot_username": node["pm_user"],
"iboot_password": node["pm_password"]}
# iboot_relay_id and iboot_port are optional
if "pm_relay_id" in node:
driver_info["iboot_relay_id"] = node["pm_relay_id"]
if "pm_port" in node:
driver_info["iboot_port"] = node["pm_port"]
else:
raise ValueError("Unknown pm_type: %s" % node["pm_type"])
return driver_info
def register_ironic_node(service_host, node, client=None, blocking=True):
properties = {"cpus": six.text_type(node["cpu"]),
"memory_mb": six.text_type(node["memory"]),
"local_gb": six.text_type(node["disk"]),
"cpu_arch": node["arch"]}
driver_info = _extract_driver_info(node)
for count in range(60):
LOG.debug('Registering %s node with ironic, try #%d.' %
(node["pm_addr"], count))
try:
ironic_node = client.node.create(driver=node["pm_type"],
driver_info=driver_info,
properties=properties)
break
except (ironicexp.ConnectionRefused, ironicexp.ServiceUnavailable):
if blocking:
LOG.debug('Service not available, sleeping for 10 seconds.')
time.sleep(10)
else:
LOG.debug('Service not available.')
else:
if blocking:
LOG.debug('Service unavailable after 10 minutes, giving up.')
else:
LOG.debug('Service unavailable after 60 tries, giving up.')
raise ironicexp.ServiceUnavailable()
for mac in node["mac"]:
client.port.create(address=mac, node_uuid=ironic_node.uuid)
# Ironic should do this directly, see bug 1315225.
try:
client.node.set_power_state(ironic_node.uuid, 'off')
except ironicexp.Conflict:
# Conflict means the Ironic conductor got there first, so we can
# ignore the exception.
pass
return ironic_node
def _populate_node_mapping(ironic_in_use, client):
LOG.debug('Populating list of registered nodes.')
node_map = {'mac': {}, 'pm_addr': {}}
if ironic_in_use:
nodes = [n.to_dict() for n in client.node.list()]
for node in nodes:
node_details = client.node.get(node['uuid'])
if node_details.driver == 'pxe_ssh':
for port in client.node.list_ports(node['uuid']):
node_map['mac'][port.address] = node['uuid']
elif 'ipmi' in node_details.driver:
pm_addr = node_details.driver_info['ipmi_address']
node_map['pm_addr'][pm_addr] = node['uuid']
elif node_details.driver == 'pxe_ilo':
pm_addr = node_details.driver_info['ilo_address']
node_map['pm_addr'][pm_addr] = node['uuid']
else:
nodes = [bmn.to_dict() for bmn in client.baremetal.list()]
for node in nodes:
node_map['pm_addr'][node['pm_address']] = node['id']
for addr in node['interfaces']:
node_map['mac'][addr['address']] = node['id']
return node_map
def _get_node_id(node, node_map):
if node['pm_type'] == 'pxe_ssh':
for mac in node['mac']:
if mac.lower() in node_map['mac']:
return node_map['mac'][mac.lower()]
else:
if node['pm_addr'] in node_map['pm_addr']:
return node_map['pm_addr'][node['pm_addr']]
def _update_or_register_bm_node(service_host, node, node_map, client=None,
blocking=True):
bm_id = _get_node_id(node, node_map)
if bm_id:
bm_node = client.baremetal.get(bm_id)
else:
bm_node = None
if bm_node is None:
bm_node = register_nova_bm_node(service_host, node, client,
blocking=blocking)
else:
LOG.warning('Node %d already registered, skipping.' % bm_node.id)
return bm_node.id
def _update_or_register_ironic_node(service_host, node, node_map, client=None,
blocking=True):
node_uuid = _get_node_id(node, node_map)
massage_map = {'cpu': '/properties/cpus',
'memory': '/properties/memory_mb',
'disk': '/properties/local_gb',
'arch': '/properties/cpu_arch'}
if "ipmi" in node['pm_type']:
massage_map.update({'pm_addr': '/driver_info/ipmi_address',
'pm_user': '/driver_info/ipmi_username',
'pm_password': '/driver_info/ipmi_password'})
elif node['pm_type'] == 'pxe_ssh':
massage_map.update({'pm_addr': '/driver_info/ssh_address',
'pm_user': '/driver_info/ssh_username',
'pm_password': '/driver_info/ssh_key_contents'})
elif node['pm_type'] == 'pxe_ilo':
massage_map.update({'pm_addr': '/driver_info/ilo_address',
'pm_user': '/driver_info/ilo_username',
'pm_password': '/driver_info/ilo_password'})
if node_uuid:
ironic_node = client.node.get(node_uuid)
else:
ironic_node = None
if ironic_node is None:
ironic_node = register_ironic_node(service_host, node, client,
blocking=blocking)
else:
LOG.debug('Node %s already registered, updating details.' % (
ironic_node.uuid))
node_patch = []
for key, value in massage_map.items():
node_patch.append({'path': value,
'value': six.text_type(node[key]),
'op': 'replace'})
for count in range(2):
try:
client.node.update(ironic_node.uuid, node_patch)
break
except ironicexp.Conflict:
LOG.debug('Node %s locked for updating.' %
ironic_node.uuid)
time.sleep(5)
else:
raise ironicexp.Conflict()
return ironic_node.uuid
def _clean_up_extra_nodes(ironic_in_use, seen, client, remove=False):
if ironic_in_use:
all_nodes = set([n.uuid for n in client.node.list()])
remove_func = client.node.delete
else:
all_nodes = set([bmn.id for bmn in client.baremetal.list()])
remove_func = client.baremetal.delete
extra_nodes = all_nodes - seen
for node in extra_nodes:
if remove:
LOG.debug('Removing extra registered node %s.' % node)
remove_func(node)
else:
LOG.debug('Extra registered node %s found.' % node)
def _register_list_of_nodes(register_func, node_map, client, nodes_list,
blocking, service_host):
seen = set()
for node in nodes_list:
try:
new_node = register_func(service_host, node, node_map,
client=client, blocking=blocking)
seen.add(new_node)
except ironicexp.Conflict:
LOG.debug("Could not update node, moving to next host")
seen.add(node)
return seen
def register_all_nodes(service_host, nodes_list, client=None, remove=False,
blocking=True, keystone_client=None):
LOG.debug('Registering all nodes.')
ironic_in_use = using_ironic(keystone=keystone_client)
if ironic_in_use:
if client is None:
LOG.warn('Creating ironic client inline is deprecated, please '
'pass the client as parameter.')
client = clients.get_ironic_client()
register_func = _update_or_register_ironic_node
else:
if client is None:
LOG.warn('Creating nova-bm client inline is deprecated, please '
'pass the client as parameter.')
client = clients.get_nova_bm_client()
register_func = _update_or_register_bm_node
node_map = _populate_node_mapping(ironic_in_use, client)
seen = _register_list_of_nodes(register_func, node_map, client,
nodes_list, blocking, service_host)
_clean_up_extra_nodes(ironic_in_use, seen, client, remove=remove)
def using_ironic(keystone=None):
LOG.debug('Checking for usage of ironic.')
if keystone is None:
LOG.warn('Creating keystone client inline is deprecated, please pass '
'the client as parameter.')
keystone = clients.get_keystone_client()
return 'ironic' in [service.name for service in keystone.services.list()]
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