metadata_agent.ini

DEFAULT

debug

Type

boolean

Default

false

Mutable

This option can be changed without restarting.

If set to true, the logging level will be set to DEBUG instead of the default INFO level.

log_config_append

Type

string

Default

<None>

Mutable

This option can be changed without restarting.

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).

Deprecated Variations

Group	Name
DEFAULT	log-config
DEFAULT	log_config

log_date_format

Type

string

Default

%Y-%m-%d %H:%M:%S

Defines the format string for %(asctime)s in log records. Default: the value above . This option is ignored if log_config_append is set.

log_file

Type

string

Default

<None>

(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.

Deprecated Variations

Group	Name
DEFAULT	logfile

log_dir

Type

string

Default

<None>

(Optional) The base directory used for relative log_file paths. This option is ignored if log_config_append is set.

Deprecated Variations

Group	Name
DEFAULT	logdir

watch_log_file

Type

boolean

Default

false

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.

use_syslog

Type

boolean

Default

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.

use_journal

Type

boolean

Default

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.

syslog_log_facility

Type

string

Default

LOG_USER

Syslog facility to receive log lines. This option is ignored if log_config_append is set.

use_json

Type

boolean

Default

false

Use JSON formatting for logging. This option is ignored if log_config_append is set.

use_stderr

Type

boolean

Default

false

Log output to standard error. This option is ignored if log_config_append is set.

use_eventlog

Type

boolean

Default

false

Log output to Windows Event Log.

log_rotate_interval

Type

integer

Default

1

The amount of time before the log files are rotated. This option is ignored unless log_rotation_type is setto “interval”.

log_rotate_interval_type

Type

string

Default

days

Valid Values

Seconds, Minutes, Hours, Days, Weekday, Midnight

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.

max_logfile_count

Type

integer

Default

30

Maximum number of rotated log files.

max_logfile_size_mb

Type

integer

Default

200

Log file maximum size in MB. This option is ignored if “log_rotation_type” is not set to “size”.

log_rotation_type

Type

string

Default

none

Valid Values

interval, size, none

Log rotation type.

Possible values

interval

Rotate logs at predefined time intervals.

size

Rotate logs once they reach a predefined size.

none

Do not rotate log files.

logging_context_format_string

Type

string

Default

%(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 with context. Used by oslo_log.formatters.ContextFormatter

logging_default_format_string

Type

string

Default

%(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [-] %(instance)s%(message)s

Format string to use for log messages when context is undefined. Used by oslo_log.formatters.ContextFormatter

logging_debug_format_suffix

Type

string

Default

%(funcName)s %(pathname)s:%(lineno)d

Additional data to append to log message when logging level for the message is DEBUG. Used by oslo_log.formatters.ContextFormatter

logging_exception_prefix

Type

string

Default

%(asctime)s.%(msecs)03d %(process)d ERROR %(name)s %(instance)s

Prefix each line of exception output with this format. Used by oslo_log.formatters.ContextFormatter

logging_user_identity_format

Type

string

Default

%(user)s %(tenant)s %(domain)s %(user_domain)s %(project_domain)s

Defines the format string for %(user_identity)s that is used in logging_context_format_string. Used by oslo_log.formatters.ContextFormatter

default_log_levels

Type

list

Default

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

List of package logging levels in logger=LEVEL pairs. This option is ignored if log_config_append is set.

publish_errors

Type

boolean

Default

false

Enables or disables publication of error events.

instance_format

Type

string

Default

"[instance: %(uuid)s] "

The format for an instance that is passed with the log message.

instance_uuid_format

Type

string

Default

"[instance: %(uuid)s] "

The format for an instance UUID that is passed with the log message.

rate_limit_interval

Type

integer

Default

0

Interval, number of seconds, of log rate limiting.

rate_limit_burst

Type

integer

Default

0

Maximum number of logged messages per rate_limit_interval.

rate_limit_except_level

Type

string

Default

CRITICAL

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.

fatal_deprecations

Type

boolean

Default

false

Enables or disables fatal status of deprecations.

metadata_proxy_socket

Type

string

Default

$state_path/metadata_proxy

Location for Metadata Proxy UNIX domain socket.

metadata_proxy_user

Type

string

Default

''

User (uid or name) running metadata proxy after its initialization (if empty: agent effective user).

metadata_proxy_group

Type

string

Default

''

Group (gid or name) running metadata proxy after its initialization (if empty: agent effective group).

auth_ca_cert

Type

string

Default

<None>

Certificate Authority public key (CA cert) file for ssl

nova_metadata_host

Type

host address

Default

127.0.0.1

IP address or DNS name of Nova metadata server.

nova_metadata_port

Type

port number

Default

8775

Minimum Value

0

Maximum Value

65535

TCP Port used by Nova metadata server.

metadata_proxy_shared_secret

Type

string

Default

''

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.

nova_metadata_protocol

Type

string

Default

http

Valid Values

http, https

Protocol to access nova metadata, http or https

nova_metadata_insecure

Type

boolean

Default

false

Allow to perform insecure SSL (https) requests to nova metadata

nova_client_cert

Type

string

Default

''

Client certificate for nova metadata api server.

nova_client_priv_key

Type

string

Default

''

Private key of client certificate.

metadata_proxy_socket_mode

Type

string

Default

deduce

Valid Values

deduce, user, group, all

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.

metadata_workers

Type

integer

Default

<num_of_cpus> / 2

This option has a sample default set, which means that its actual default value may vary from the one documented above.

Number of separate worker processes for metadata server (defaults to half of the number of CPUs)

metadata_backlog

Type

integer

Default

4096

Number of backlog requests to configure the metadata server socket with

rpc_response_max_timeout

Type

integer

Default

600

Maximum seconds to wait for a response from an RPC call.

agent

report_interval

Type

floating point

Default

30

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.

log_agent_heartbeats

Type

boolean

Default

false

Log agent heartbeats

cache

config_prefix

Type

string

Default

cache.oslo

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.

expiration_time

Type

integer

Default

600

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.

backend

Type

string

Default

dogpile.cache.null

Valid Values

oslo_cache.memcache_pool, oslo_cache.dict, oslo_cache.mongo, oslo_cache.etcd3gw, dogpile.cache.memcached, dogpile.cache.pylibmc, dogpile.cache.bmemcached, dogpile.cache.dbm, dogpile.cache.redis, dogpile.cache.memory, dogpile.cache.memory_pickle, dogpile.cache.null

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.

backend_argument

Type

multi-valued

Default

''

Arguments supplied to the backend module. Specify this option once per argument to be passed to the dogpile.cache backend. Example format: “<argname>:<value>”.

proxies

Type

list

Default

''

Proxy classes to import that will affect the way the dogpile.cache backend functions. See the dogpile.cache documentation on changing-backend-behavior.

enabled

Type

boolean

Default

false

Global toggle for caching.

debug_cache_backend

Type

boolean

Default

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.

memcache_servers

Type

list

Default

localhost:11211

Memcache servers in the format of “host:port”. (dogpile.cache.memcached and oslo_cache.memcache_pool backends only).

memcache_dead_retry

Type

integer

Default

300

Number of seconds memcached server is considered dead before it is tried again. (dogpile.cache.memcache and oslo_cache.memcache_pool backends only).

memcache_socket_timeout

Type

floating point

Default

1.0

Timeout in seconds for every call to a server. (dogpile.cache.memcache and oslo_cache.memcache_pool backends only).

memcache_pool_maxsize

Type

integer

Default

10

Max total number of open connections to every memcached server. (oslo_cache.memcache_pool backend only).

memcache_pool_unused_timeout

Type

integer

Default

60

Number of seconds a connection to memcached is held unused in the pool before it is closed. (oslo_cache.memcache_pool backend only).

memcache_pool_connection_get_timeout

Type

integer

Default

10

Number of seconds that an operation will wait to get a memcache client connection.

tls_enabled

Type

boolean

Default

false

Global toggle for TLS usage when comunicating with the caching servers.

tls_cafile

Type

string

Default

<None>

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.

tls_certfile

Type

string

Default

<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.

tls_keyfile

Type

string

Default

<None>

Path to a single file containing the client’s private key in. Otherwhise the private key will be taken from the file specified in tls_certfile. If tls_enabled is False, this option is ignored.

tls_allowed_ciphers

Type

string

Default

<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.