ironic-python-agent/ironic_python_agent/config.py

290 lines
13 KiB
Python

# Copyright 2016 Cisco Systems, Inc.
#
# 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.
from oslo_config import cfg
from oslo_log import log as logging
from ironic_python_agent import netutils
from ironic_python_agent import utils
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
APARAMS = utils.get_agent_params()
INSPECTION_DEFAULT_COLLECTOR = 'default'
INSPECTION_DEFAULT_DHCP_WAIT_TIMEOUT = 60
cli_opts = [
cfg.StrOpt('api_url',
default=APARAMS.get('ipa-api-url'),
regex='^(mdns|http(s?):\\/\\/.+)',
help='URL of the Ironic API. '
'Can be supplied as "ipa-api-url" kernel parameter.'
'The value must start with either http:// or https://. '
'A special value "mdns" can be specified to fetch the '
'URL using multicast DNS service discovery.'),
cfg.StrOpt('listen_host',
default=APARAMS.get('ipa-listen-host',
netutils.get_wildcard_address()),
sample_default='::',
help='The IP address to listen on. '
'Can be supplied as "ipa-listen-host" kernel parameter.'),
cfg.PortOpt('listen_port',
default=int(APARAMS.get('ipa-listen-port', 9999)),
help='The port to listen on. '
'Can be supplied as "ipa-listen-port" kernel parameter.'),
cfg.StrOpt('advertise_host',
default=APARAMS.get('ipa-advertise-host', None),
help='The host to tell Ironic to reply and send '
'commands to. '
'Can be supplied as "ipa-advertise-host" '
'kernel parameter.'),
cfg.PortOpt('advertise_port',
default=int(APARAMS.get('ipa-advertise-port', 9999)),
help='The port to tell Ironic to reply and send '
'commands to. '
'Can be supplied as "ipa-advertise-port" '
'kernel parameter.'),
cfg.IntOpt('ip_lookup_attempts',
min=1,
default=int(APARAMS.get('ipa-ip-lookup-attempts', 6)),
help='The number of times to try and automatically '
'determine the agent IPv4 address. '
'Can be supplied as "ipa-ip-lookup-attempts" '
'kernel parameter.'),
cfg.IntOpt('ip_lookup_sleep',
min=0,
default=int(APARAMS.get('ipa-ip-lookup-timeout', 10)),
help='The amount of time to sleep between attempts '
'to determine IP address. '
'Can be supplied as "ipa-ip-lookup-timeout" '
'kernel parameter.'),
cfg.StrOpt('network_interface',
default=APARAMS.get('ipa-network-interface', None),
help='The interface to use when looking for an IP address. '
'Can be supplied as "ipa-network-interface" '
'kernel parameter.'),
cfg.IntOpt('lookup_timeout',
min=0,
default=int(APARAMS.get('ipa-lookup-timeout', 300)),
help='The amount of time to retry the initial lookup '
'call to Ironic. After the timeout, the agent '
'will exit with a non-zero exit code. '
'Can be supplied as "ipa-lookup-timeout" '
'kernel parameter.'),
cfg.IntOpt('lookup_interval',
min=0,
default=int(APARAMS.get('ipa-lookup-interval', 1)),
help='The initial interval for retries on the initial '
'lookup call to Ironic. The interval will be '
'doubled after each failure until timeout is '
'exceeded. '
'Can be supplied as "ipa-lookup-interval" '
'kernel parameter.'),
cfg.FloatOpt('lldp_timeout',
default=APARAMS.get('ipa-lldp-timeout',
APARAMS.get('lldp-timeout', 30.0)),
help='The amount of seconds to wait for LLDP packets. '
'Can be supplied as "ipa-lldp-timeout" '
'kernel parameter.'),
cfg.BoolOpt('collect_lldp',
default=APARAMS.get('ipa-collect-lldp', False),
help='Whether IPA should attempt to receive LLDP packets for '
'each network interface it discovers in the inventory. '
'Can be supplied as "ipa-collect-lldp" '
'kernel parameter.'),
cfg.BoolOpt('standalone',
default=APARAMS.get('ipa-standalone', False),
help='Note: for debugging only. Start the Agent but suppress '
'any calls to Ironic API. '
'Can be supplied as "ipa-standalone" '
'kernel parameter.'),
cfg.StrOpt('inspection_callback_url',
default=APARAMS.get('ipa-inspection-callback-url'),
help='Endpoint of ironic-inspector. If set, hardware inventory '
'will be collected and sent to ironic-inspector '
'on start up. '
'A special value "mdns" can be specified to fetch the '
'URL using multicast DNS service discovery. '
'Can be supplied as "ipa-inspection-callback-url" '
'kernel parameter.'),
cfg.StrOpt('inspection_collectors',
default=APARAMS.get('ipa-inspection-collectors',
INSPECTION_DEFAULT_COLLECTOR),
help='Comma-separated list of plugins providing additional '
'hardware data for inspection, empty value gives '
'a minimum required set of plugins. '
'Can be supplied as "ipa-inspection-collectors" '
'kernel parameter.'),
cfg.IntOpt('inspection_dhcp_wait_timeout',
min=0,
default=APARAMS.get('ipa-inspection-dhcp-wait-timeout',
INSPECTION_DEFAULT_DHCP_WAIT_TIMEOUT),
help='Maximum time (in seconds) to wait for the PXE NIC '
'(or all NICs if inspection_dhcp_all_interfaces is True) '
'to get its IP address via DHCP before inspection. '
'Set to 0 to disable waiting completely. '
'Can be supplied as "ipa-inspection-dhcp-wait-timeout" '
'kernel parameter.'),
cfg.BoolOpt('inspection_dhcp_all_interfaces',
default=APARAMS.get('ipa-inspection-dhcp-all-interfaces',
False),
help='Whether to wait for all interfaces to get their IP '
'addresses before inspection. If set to false '
'(the default), only waits for the PXE interface. '
'Can be supplied as '
'"ipa-inspection-dhcp-all-interfaces" '
'kernel parameter.'),
cfg.IntOpt('hardware_initialization_delay',
min=0,
default=APARAMS.get('ipa-hardware-initialization-delay', 0),
help='How much time (in seconds) to wait for hardware to '
'initialize before proceeding with any actions. '
'Can be supplied as "ipa-hardware-initialization-delay" '
'kernel parameter.'),
cfg.IntOpt('disk_wait_attempts',
min=0,
default=APARAMS.get('ipa-disk-wait-attempts', 10),
help='The number of times to try and check to see if '
'at least one suitable disk has appeared in inventory '
'before proceeding with any actions. '
'Can be supplied as "ipa-disk-wait-attempts" '
'kernel parameter.'),
cfg.IntOpt('disk_wait_delay',
min=0,
default=APARAMS.get('ipa-disk-wait-delay', 3),
help='How much time (in seconds) to wait between attempts '
'to check if at least one suitable disk has appeared '
'in inventory. Set to zero to disable. '
'Can be supplied as "ipa-disk-wait-delay" '
'kernel parameter.'),
cfg.BoolOpt('insecure',
default=APARAMS.get('ipa-insecure', False),
help='Verify HTTPS connections. Can be supplied as '
'"ipa-insecure" kernel parameter.'),
cfg.StrOpt('cafile',
help='Path to PEM encoded Certificate Authority file '
'to use when verifying HTTPS connections. '
'Default is to use available system-wide configured CAs.'),
cfg.StrOpt('certfile',
help='Path to PEM encoded client certificate cert file. '
'Must be provided together with "keyfile" option. '
'Default is to not present any client certificates to '
'the server.'),
cfg.StrOpt('keyfile',
help='Path to PEM encoded client certificate key file. '
'Must be provided together with "certfile" option. '
'Default is to not present any client certificates to '
'the server.'),
cfg.BoolOpt('introspection_daemon',
default=False,
help='When the ``ironic-collect-introspection-data`` '
'command is executed, continue running as '
'a background process and continue to post data '
'to the bare metal inspection service.'),
cfg.IntOpt('introspection_daemon_post_interval',
default=300,
help='The interval in seconds by which to transmit data to '
'the bare metal introspection service when the '
'``ironic-collect-introspection-data`` program is '
'executing in daemon mode.'),
cfg.StrOpt('ntp_server',
default=APARAMS.get('ipa-ntp-server', None),
help='Address of a single NTP server against which the '
'agent should sync the hardware clock prior to '
'rebooting to an instance.'),
cfg.BoolOpt('fail_if_clock_not_set',
default=False,
help='If operations should fail if the clock time sync '
'fails to complete successfully.'),
cfg.StrOpt('agent_token',
default=APARAMS.get('ipa-agent-token'),
help='Pre-shared token to use when working with the '
'ironic API. This value is typically supplied by '
'ironic automatically.'),
cfg.BoolOpt('agent_token_required',
default=APARAMS.get('ipa-agent-token-required', False),
help='Control to enforce if API command requests should '
'enforce token validation. The configuration provided '
'by the conductor MAY override this and force this '
'setting to be changed to True in memory.'),
cfg.IntOpt('image_download_connection_timeout', min=1,
default=APARAMS.get(
'ipa-image-download-connection-timeout', 60),
help='The connection timeout (in seconds) when downloading '
'an image. Does not affect the whole download.'),
cfg.IntOpt('image_download_connection_retries', min=0,
default=APARAMS.get('ipa-image-download-connection-retries', 9),
help='How many times to retry the connection when downloading '
'an image. Also retries on failure HTTP statuses.'),
cfg.IntOpt('image_download_connection_retry_interval', min=0,
default=APARAMS.get(
'ipa-image-download-connection-retry-interval', 10),
help='Interval (in seconds) between two attempts to establish '
'connection when downloading an image.'),
]
CONF.register_cli_opts(cli_opts)
def list_opts():
return [('DEFAULT', cli_opts)]
def override(params):
"""Override configuration with values from a dictionary.
This is used for configuration overrides from mDNS.
:param params: new configuration parameters as a dict.
"""
if not params:
return
LOG.debug('Overriding configuration with %s', params)
for key, value in params.items():
if key.startswith('ipa_'):
key = key[4:]
else:
LOG.warning('Skipping unknown configuration option %s', key)
continue
try:
CONF.set_override(key, value)
except Exception as exc:
LOG.warning('Unable to override configuration option %(key)s '
'with %(value)r: %(exc)s',
{'key': key, 'value': value, 'exc': exc})