Sample metadata_agent.ini

This sample configuration can also be viewed in the raw format.

[DEFAULT]

#
# From neutron.metadata.agent
#

# Location for Metadata Proxy UNIX domain socket. (string value)
#metadata_proxy_socket = $state_path/metadata_proxy

# User (uid or name) running metadata proxy after its initialization (if empty:
# agent effective user). (string value)
#metadata_proxy_user =

# Group (gid or name) running metadata proxy after its initialization (if
# empty: agent effective group). (string value)
#metadata_proxy_group =

# Certificate Authority public key (CA cert) file for ssl (string value)
#auth_ca_cert = <None>

# IP address or DNS name of Nova metadata server. (host address value)
#nova_metadata_host = 127.0.0.1

# TCP Port used by Nova metadata server. (port value)
# Minimum value: 0
# Maximum value: 65535
#nova_metadata_port = 8775

# When proxying metadata requests, Neutron signs the Instance-ID header with a
# shared secret to prevent spoofing. You may select any string for a secret,
# but it must match here and in the configuration used by the Nova Metadata
# Server. NOTE: Nova uses the same config key, but in [neutron] section.
# (string value)
#metadata_proxy_shared_secret =

# Protocol to access nova metadata, http or https (string value)
# Possible values:
# http - <No description provided>
# https - <No description provided>
#nova_metadata_protocol = http

# Allow to perform insecure SSL (https) requests to nova metadata (boolean
# value)
#nova_metadata_insecure = false

# Client certificate for nova metadata api server. (string value)
#nova_client_cert =

# Private key of client certificate. (string value)
#nova_client_priv_key =

# Metadata Proxy UNIX domain socket mode, 4 values allowed: 'deduce': deduce
# mode from metadata_proxy_user/group values, 'user': set metadata proxy socket
# mode to 0o644, to use when metadata_proxy_user is agent effective user or
# root, 'group': set metadata proxy socket mode to 0o664, to use when
# metadata_proxy_group is agent effective group or root, 'all': set metadata
# proxy socket mode to 0o666, to use otherwise. (string value)
# Possible values:
# deduce - <No description provided>
# user - <No description provided>
# group - <No description provided>
# all - <No description provided>
#metadata_proxy_socket_mode = deduce

# Number of separate worker processes for metadata server (defaults to 0 when
# used with ML2/OVN and half of the number of CPUs with other backend drivers)
# (integer value)
#
# This option has a sample default set, which means that
# its actual default value may vary from the one documented
# below.
#metadata_workers = <num_of_cpus> / 2

# Number of backlog requests to configure the metadata server socket with
# (integer value)
#metadata_backlog = 4096

# Maximum seconds to wait for a response from an RPC call. (integer value)
#rpc_response_max_timeout = 600

#
# From oslo.log
#

# If set to true, the logging level will be set to DEBUG instead of the default
# INFO level. (boolean value)
# Note: This option can be changed without restarting.
#debug = false

# The name of a logging configuration file. This file is appended to any
# existing logging configuration files. For details about logging configuration
# files, see the Python logging module documentation. Note that when logging
# configuration files are used then all logging configuration is set in the
# configuration file and other logging configuration options are ignored (for
# example, log-date-format). (string value)
# Note: This option can be changed without restarting.
# Deprecated group/name - [DEFAULT]/log_config
#log_config_append = <None>

# Defines the format string for %%(asctime)s in log records. Default:
# %(default)s . This option is ignored if log_config_append is set. (string
# value)
#log_date_format = %Y-%m-%d %H:%M:%S

# (Optional) Name of log file to send logging output to. If no default is set,
# logging will go to stderr as defined by use_stderr. This option is ignored if
# log_config_append is set. (string value)
# Deprecated group/name - [DEFAULT]/logfile
#log_file = <None>

# (Optional) The base directory used for relative log_file  paths. This option
# is ignored if log_config_append is set. (string value)
# Deprecated group/name - [DEFAULT]/logdir
#log_dir = <None>

# Uses logging handler designed to watch file system. When log file is moved or
# removed this handler will open a new log file with specified path
# instantaneously. It makes sense only if log_file option is specified and
# Linux platform is used. This option is ignored if log_config_append is set.
# (boolean value)
#watch_log_file = false

# Use syslog for logging. Existing syslog format is DEPRECATED and will be
# changed later to honor RFC5424. This option is ignored if log_config_append
# is set. (boolean value)
#use_syslog = false

# Enable journald for logging. If running in a systemd environment you may wish
# to enable journal support. Doing so will use the journal native protocol
# which includes structured metadata in addition to log messages.This option is
# ignored if log_config_append is set. (boolean value)
#use_journal = false

# Syslog facility to receive log lines. This option is ignored if
# log_config_append is set. (string value)
#syslog_log_facility = LOG_USER

# Use JSON formatting for logging. This option is ignored if log_config_append
# is set. (boolean value)
#use_json = false

# Log output to standard error. This option is ignored if log_config_append is
# set. (boolean value)
#use_stderr = false

# Log output to Windows Event Log. (boolean value)
#use_eventlog = false

# The amount of time before the log files are rotated. This option is ignored
# unless log_rotation_type is set to "interval". (integer value)
#log_rotate_interval = 1

# Rotation interval type. The time of the last file change (or the time when
# the service was started) is used when scheduling the next rotation. (string
# value)
# Possible values:
# Seconds - <No description provided>
# Minutes - <No description provided>
# Hours - <No description provided>
# Days - <No description provided>
# Weekday - <No description provided>
# Midnight - <No description provided>
#log_rotate_interval_type = days

# Maximum number of rotated log files. (integer value)
#max_logfile_count = 30

# Log file maximum size in MB. This option is ignored if "log_rotation_type" is
# not set to "size". (integer value)
#max_logfile_size_mb = 200

# Log rotation type. (string value)
# Possible values:
# interval - Rotate logs at predefined time intervals.
# size - Rotate logs once they reach a predefined size.
# none - Do not rotate log files.
#log_rotation_type = none

# Format string to use for log messages with context. Used by
# oslo_log.formatters.ContextFormatter (string value)
#logging_context_format_string = %(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [%(request_id)s %(user_identity)s] %(instance)s%(message)s

# Format string to use for log messages when context is undefined. Used by
# oslo_log.formatters.ContextFormatter (string value)
#logging_default_format_string = %(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [-] %(instance)s%(message)s

# Additional data to append to log message when logging level for the message
# is DEBUG. Used by oslo_log.formatters.ContextFormatter (string value)
#logging_debug_format_suffix = %(funcName)s %(pathname)s:%(lineno)d

# Prefix each line of exception output with this format. Used by
# oslo_log.formatters.ContextFormatter (string value)
#logging_exception_prefix = %(asctime)s.%(msecs)03d %(process)d ERROR %(name)s %(instance)s

# Defines the format string for %(user_identity)s that is used in
# logging_context_format_string. Used by oslo_log.formatters.ContextFormatter
# (string value)
#logging_user_identity_format = %(user)s %(project)s %(domain)s %(user_domain)s %(project_domain)s

# List of package logging levels in logger=LEVEL pairs. This option is ignored
# if log_config_append is set. (list value)
#default_log_levels = amqp=WARN,amqplib=WARN,boto=WARN,qpid=WARN,sqlalchemy=WARN,suds=INFO,oslo.messaging=INFO,oslo_messaging=INFO,iso8601=WARN,requests.packages.urllib3.connectionpool=WARN,urllib3.connectionpool=WARN,websocket=WARN,requests.packages.urllib3.util.retry=WARN,urllib3.util.retry=WARN,keystonemiddleware=WARN,routes.middleware=WARN,stevedore=WARN,taskflow=WARN,keystoneauth=WARN,oslo.cache=INFO,oslo_policy=INFO,dogpile.core.dogpile=INFO

# Enables or disables publication of error events. (boolean value)
#publish_errors = false

# The format for an instance that is passed with the log message. (string
# value)
#instance_format = "[instance: %(uuid)s] "

# The format for an instance UUID that is passed with the log message. (string
# value)
#instance_uuid_format = "[instance: %(uuid)s] "

# Interval, number of seconds, of log rate limiting. (integer value)
#rate_limit_interval = 0

# Maximum number of logged messages per rate_limit_interval. (integer value)
#rate_limit_burst = 0

# Log level name used by rate limiting: CRITICAL, ERROR, INFO, WARNING, DEBUG
# or empty string. Logs with level greater or equal to rate_limit_except_level
# are not filtered. An empty string means that all levels are filtered. (string
# value)
#rate_limit_except_level = CRITICAL

# Enables or disables fatal status of deprecations. (boolean value)
#fatal_deprecations = false


[agent]

#
# From neutron.metadata.agent
#

# Seconds between nodes reporting state to server; should be less than
# agent_down_time, best if it is half or less than agent_down_time. (floating
# point value)
#report_interval = 30

# Log agent heartbeats (boolean value)
#log_agent_heartbeats = false


[cache]

#
# From oslo.cache
#

# Prefix for building the configuration dictionary for the cache region. This
# should not need to be changed unless there is another dogpile.cache region
# with the same configuration name. (string value)
#config_prefix = cache.oslo

# Default TTL, in seconds, for any cached item in the dogpile.cache region.
# This applies to any cached method that doesn't have an explicit cache
# expiration time defined for it. (integer value)
#expiration_time = 600

# Cache backend module. For eventlet-based or environments with hundreds of
# threaded servers, Memcache with pooling (oslo_cache.memcache_pool) is
# recommended. For environments with less than 100 threaded servers, Memcached
# (dogpile.cache.memcached) or Redis (dogpile.cache.redis) is recommended. Test
# environments with a single instance of the server can use the
# dogpile.cache.memory backend. (string value)
# Possible values:
# oslo_cache.memcache_pool - <No description provided>
# oslo_cache.dict - <No description provided>
# oslo_cache.mongo - <No description provided>
# oslo_cache.etcd3gw - <No description provided>
# dogpile.cache.pymemcache - <No description provided>
# dogpile.cache.memcached - <No description provided>
# dogpile.cache.pylibmc - <No description provided>
# dogpile.cache.bmemcached - <No description provided>
# dogpile.cache.dbm - <No description provided>
# dogpile.cache.redis - <No description provided>
# dogpile.cache.memory - <No description provided>
# dogpile.cache.memory_pickle - <No description provided>
# dogpile.cache.null - <No description provided>
#backend = dogpile.cache.null

# Arguments supplied to the backend module. Specify this option once per
# argument to be passed to the dogpile.cache backend. Example format:
# "<argname>:<value>". (multi valued)
#backend_argument =

# Proxy classes to import that will affect the way the dogpile.cache backend
# functions. See the dogpile.cache documentation on changing-backend-behavior.
# (list value)
#proxies =

# Global toggle for caching. (boolean value)
#enabled = false

# Extra debugging from the cache backend (cache keys, get/set/delete/etc
# calls). This is only really useful if you need to see the specific cache-
# backend get/set/delete calls with the keys/values.  Typically this should be
# left set to false. (boolean value)
#debug_cache_backend = false

# Memcache servers in the format of "host:port". (dogpile.cache.memcached and
# oslo_cache.memcache_pool backends only). If a given host refer to an IPv6 or
# a given domain refer to IPv6 then you should prefix the given address with
# the address family (``inet6``) (e.g ``inet6[::1]:11211``,
# ``inet6:[fd12:3456:789a:1::1]:11211``,
# ``inet6:[controller-0.internalapi]:11211``). If the address family is not
# given then default address family used will be ``inet`` which correspond to
# IPv4 (list value)
#memcache_servers = localhost:11211

# Number of seconds memcached server is considered dead before it is tried
# again. (dogpile.cache.memcache and oslo_cache.memcache_pool backends only).
# (integer value)
#memcache_dead_retry = 300

# Timeout in seconds for every call to a server. (dogpile.cache.memcache and
# oslo_cache.memcache_pool backends only). (floating point value)
#memcache_socket_timeout = 1.0

# Max total number of open connections to every memcached server.
# (oslo_cache.memcache_pool backend only). (integer value)
#memcache_pool_maxsize = 10

# Number of seconds a connection to memcached is held unused in the pool before
# it is closed. (oslo_cache.memcache_pool backend only). (integer value)
#memcache_pool_unused_timeout = 60

# Number of seconds that an operation will wait to get a memcache client
# connection. (integer value)
#memcache_pool_connection_get_timeout = 10

# Global toggle if memcache will be flushed on reconnect.
# (oslo_cache.memcache_pool backend only). (boolean value)
#memcache_pool_flush_on_reconnect = false

# Global toggle for TLS usage when comunicating with the caching servers.
# (boolean value)
#tls_enabled = false

# Path to a file of concatenated CA certificates in PEM format necessary to
# establish the caching servers' authenticity. If tls_enabled is False, this
# option is ignored. (string value)
#tls_cafile = <None>

# Path to a single file in PEM format containing the client's certificate as
# well as any number of CA certificates needed to establish the certificate's
# authenticity. This file is only required when client side authentication is
# necessary. If tls_enabled is False, this option is ignored. (string value)
#tls_certfile = <None>

# Path to a single file containing the client's private key in. Otherwise the
# private key will be taken from the file specified in tls_certfile. If
# tls_enabled is False, this option is ignored. (string value)
#tls_keyfile = <None>

# Set the available ciphers for sockets created with the TLS context. It should
# be a string in the OpenSSL cipher list format. If not specified, all OpenSSL
# enabled ciphers will be available. (string value)
#tls_allowed_ciphers = <None>

# Global toggle for the socket keepalive of dogpile's pymemcache backend
# (boolean value)
#enable_socket_keepalive = false

# The time (in seconds) the connection needs to remain idle before TCP starts
# sending keepalive probes. Should be a positive integer most greater than
# zero. (integer value)
# Minimum value: 0
#socket_keepalive_idle = 1

# The time (in seconds) between individual keepalive probes. Should be a
# positive integer greater than zero. (integer value)
# Minimum value: 0
#socket_keepalive_interval = 1

# The maximum number of keepalive probes TCP should send before dropping the
# connection. Should be a positive integer greater than zero. (integer value)
# Minimum value: 0
#socket_keepalive_count = 1

# Enable retry client mechanisms to handle failure. Those mechanisms can be
# used to wrap all kind of pymemcache clients. The wrapper allows you to define
# how many attempts to make and how long to wait between attemots. (boolean
# value)
#enable_retry_client = false

# Number of times to attempt an action before failing. (integer value)
# Minimum value: 1
#retry_attempts = 2

# Number of seconds to sleep between each attempt. (floating point value)
#retry_delay = 0

# Amount of times a client should be tried before it is marked dead and removed
# from the pool in the HashClient's internal mechanisms. (integer value)
# Minimum value: 1
#hashclient_retry_attempts = 2

# Time in seconds that should pass between retry attempts in the HashClient's
# internal mechanisms. (floating point value)
#hashclient_retry_delay = 1

# Time in seconds before attempting to add a node back in the pool in the
# HashClient's internal mechanisms. (floating point value)
#dead_timeout = 60