Zaqar Sample Configuration

The following are sample configuration files for all Zaqar services and utilities. These are generated from code and reflect the current state of code in the Zaqar repository.

Sample configuration for Zaqar API

This sample configuration can also be viewed in zaqar.conf.sample.

[DEFAULT]

#
# 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

# DEPRECATED: Log output to Windows Event Log. (boolean value)
# This option is deprecated for removal.
# Its value may be silently ignored in the future.
# Reason: Windows support is no longer maintained.
#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 [%(global_request_id)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 %(system_scope)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

#
# From oslo.messaging
#

# Size of RPC connection pool. (integer value)
# Minimum value: 1
#rpc_conn_pool_size = 30

# The pool size limit for connections expiration policy (integer value)
#conn_pool_min_size = 2

# The time-to-live in sec of idle connections in the pool (integer value)
#conn_pool_ttl = 1200

# Size of executor thread pool when executor is threading or eventlet. (integer
# value)
# Deprecated group/name - [DEFAULT]/rpc_thread_pool_size
#executor_thread_pool_size = 64

# Seconds to wait for a response from a call. (integer value)
#rpc_response_timeout = 60

# The network address and optional user credentials for connecting to the
# messaging backend, in URL format. The expected format is:
#
# driver://[user:pass@]host:port[,[userN:passN@]hostN:portN]/virtual_host?query
#
# Example: rabbit://rabbitmq:password@127.0.0.1:5672//
#
# For full details on the fields in the URL see the documentation of
# oslo_messaging.TransportURL at
# https://docs.openstack.org/oslo.messaging/latest/reference/transport.html
# (string value)
#transport_url = rabbit://

# The default exchange under which topics are scoped. May be overridden by an
# exchange name specified in the transport_url option. (string value)
#control_exchange = openstack

# Add an endpoint to answer to ping calls. Endpoint is named
# oslo_rpc_server_ping (boolean value)
#rpc_ping_enabled = false

#
# From zaqar
#

# Activate privileged endpoints. (boolean value)
#admin_mode = false

# Enable pooling across multiple storage backends. If pooling is enabled, the
# storage driver configuration is used to determine where the catalogue/control
# plane data is kept. (boolean value)
# Deprecated group/name - [DEFAULT]/sharding
#pooling = false

# Disable all reliability constraints. (boolean value)
#unreliable = false

# List of deprecated API versions to enable. (list value)
#enable_deprecated_api_versions =

# Enable a checksum for message body. The default value is False. (boolean
# value)
#enable_checksum = false

# Backend to use for authentication. For no auth, keep it empty. Existing
# strategies: keystone. See also the keystone_authtoken section below (string
# value)
#auth_strategy =


[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". This is used by backends
# dependent on Memcached.If ``dogpile.cache.memcached`` or
# ``oslo_cache.memcache_pool`` is used and a given host refer to an IPv6 or a
# given domain refer to IPv6 then you should prefix the given address withthe
# 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 these backends will use the default ``inet`` address family which
# corresponds 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

# Enable the SASL(Simple Authentication and SecurityLayer) if the SASL_enable
# is true, else disable. (boolean value)
#memcache_sasl_enabled = false

# the user name for the memcached which SASL enabled (string value)
#memcache_username =

# the password for the memcached which SASL enabled (string value)
#memcache_password =

# 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


[cors]

#
# From oslo.middleware.cors
#

# Indicate whether this resource may be shared with the domain received in the
# requests "origin" header. Format: "<protocol>://<host>[:<port>]", no trailing
# slash. Example: https://horizon.example.com (list value)
#allowed_origin = <None>

# Indicate that the actual request can include user credentials (boolean value)
#allow_credentials = true

# Indicate which headers are safe to expose to the API. Defaults to HTTP Simple
# Headers. (list value)
#expose_headers =

# Maximum cache age of CORS preflight requests. (integer value)
#max_age = 3600

# Indicate which methods can be used during the actual request. (list value)
#allow_methods = OPTIONS,GET,HEAD,POST,PUT,DELETE,TRACE,PATCH

# Indicate which header field names may be used during the actual request.
# (list value)
#allow_headers =


[drivers]

#
# From zaqar
#

# Transport driver to use. (string value)
#transport = wsgi

# Storage driver to use as the messaging store. (string value)
# Deprecated group/name - [drivers]/storage
#message_store = mongodb

# Storage driver to use as the management store. (string value)
#management_store = mongodb


[drivers:management_store:mongodb]

#
# From zaqar
#

# The private keyfile used to identify the local connection against mongod. If
# included with the ``certifle`` then only the ``ssl_certfile`` is needed.
# (string value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_keyfile
#ssl_keyfile = <None>

# The certificate file used to identify the local connection against mongod.
# (string value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_certfile
#ssl_certfile = <None>

# Specifies whether a certificate is required from the other side of the
# connection, and whether it will be validated if provided. It must be one of
# the three values ``CERT_NONE``(certificates ignored), ``CERT_OPTIONAL``(not
# required, but validated if provided), or ``CERT_REQUIRED``(required and
# validated). If the value of this parameter is not ``CERT_NONE``, then the
# ``ssl_ca_cert`` parameter must point to a file of CA certificates. (string
# value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_cert_reqs
#ssl_cert_reqs = CERT_REQUIRED

# The ca_certs file contains a set of concatenated "certification authority"
# certificates, which are used to validate certificates passed from the other
# end of the connection. (string value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_ca_certs
#ssl_ca_certs = <None>

# Mongodb Connection URI. If ssl connection enabled, then ``ssl_keyfile``,
# ``ssl_certfile``, ``ssl_cert_reqs``, ``ssl_ca_certs`` need to be set
# accordingly. (string value)
# Deprecated group/name - [drivers:storage:mongodb]/uri
#uri = <None>

# Database name. (string value)
# Deprecated group/name - [drivers:storage:mongodb]/database
#database = zaqar

# Maximum number of times to retry a failed operation. Currently only used for
# retrying a message post. (integer value)
# Minimum value: 0
# Deprecated group/name - [drivers:storage:mongodb]/max_attempts
#max_attempts = 1000

# Maximum sleep interval between retries (actual sleep time increases linearly
# according to number of attempts performed). (floating point value)
# Deprecated group/name - [drivers:storage:mongodb]/max_retry_sleep
#max_retry_sleep = 0.1

# Maximum jitter interval, to be added to the sleep interval, in order to
# decrease probability that parallel requests will retry at the same instant.
# (floating point value)
# Deprecated group/name - [drivers:storage:mongodb]/max_retry_jitter
#max_retry_jitter = 0.005

# Maximum number of times to retry an operation that failed due to a primary
# node failover. (integer value)
# Deprecated group/name - [drivers:storage:mongodb]/max_reconnect_attempts
#max_reconnect_attempts = 10

# Base sleep interval between attempts to reconnect after a primary node
# failover. The actual sleep time increases exponentially (power of 2) each
# time the operation is retried. (floating point value)
# Deprecated group/name - [drivers:storage:mongodb]/reconnect_sleep
#reconnect_sleep = 0.02


[drivers:management_store:redis]

#
# From zaqar
#

# Redis connection URI, taking one of three forms. For a direct connection to a
# Redis server, use the form "redis://[:password]@host[:port][?options]", where
# password is redis-server's password, whenredis-server is set password, the
# password optionneeds to be set. port defaults to 6379 if notspecified. For an
# HA master-slave Redis cluster using Redis Sentinel, use the form
# "redis://[:password]@host1[:port1][,host2[:port2],...,hostN[:portN]][?options]",
# where each host specified corresponds to an instance of redis-sentinel. In
# this form, the name of the Redis master used in the Sentinel configuration
# must be included in the query string as "master=<name>". Finally, to connect
# to a local instance of Redis over a unix socket, you may use the form
# "redis:[:password]@/path/to/redis.sock[?options]". In all forms, the
# "socket_timeout" option may bespecified in the query string. Its value is
# given in seconds. If not provided, "socket_timeout" defaults to 0.1
# seconds.There are multiple database instances in redis database, for example
# in the /etc/redis/redis.conf, if the parameter is "database 16", there are 16
# database instances. By default, the data is stored in db = 0 database, if you
# want to use db = 1 database, you can use the following form:
# "redis://host[:port][?dbid=1]". (string value)
# Deprecated group/name - [drivers:storage:redis]/uri
#uri = redis://127.0.0.1:6379

# Maximum number of times to retry an operation that failed due to a redis node
# failover. (integer value)
# Deprecated group/name - [drivers:storage:redis]/max_reconnect_attempts
#max_reconnect_attempts = 10

# Base sleep interval between attempts to reconnect after a redis node
# failover.  (floating point value)
# Deprecated group/name - [drivers:storage:redis]/reconnect_sleep
#reconnect_sleep = 1.0


[drivers:management_store:sqlalchemy]

#
# From zaqar
#

# An sqlalchemy URL (string value)
# Deprecated group/name - [drivers:storage:sqlalchemy]/uri
#uri = sqlite:///:memory:


[drivers:message_store:mongodb]

#
# From zaqar
#

# The private keyfile used to identify the local connection against mongod. If
# included with the ``certifle`` then only the ``ssl_certfile`` is needed.
# (string value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_keyfile
#ssl_keyfile = <None>

# The certificate file used to identify the local connection against mongod.
# (string value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_certfile
#ssl_certfile = <None>

# Specifies whether a certificate is required from the other side of the
# connection, and whether it will be validated if provided. It must be one of
# the three values ``CERT_NONE``(certificates ignored), ``CERT_OPTIONAL``(not
# required, but validated if provided), or ``CERT_REQUIRED``(required and
# validated). If the value of this parameter is not ``CERT_NONE``, then the
# ``ssl_ca_cert`` parameter must point to a file of CA certificates. (string
# value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_cert_reqs
#ssl_cert_reqs = CERT_REQUIRED

# The ca_certs file contains a set of concatenated "certification authority"
# certificates, which are used to validate certificates passed from the other
# end of the connection. (string value)
# Deprecated group/name - [drivers:storage:mongodb]/ssl_ca_certs
#ssl_ca_certs = <None>

# Mongodb Connection URI. If ssl connection enabled, then ``ssl_keyfile``,
# ``ssl_certfile``, ``ssl_cert_reqs``, ``ssl_ca_certs`` need to be set
# accordingly. (string value)
# Deprecated group/name - [drivers:storage:mongodb]/uri
#uri = <None>

# Database name. (string value)
# Deprecated group/name - [drivers:storage:mongodb]/database
#database = zaqar

# Maximum number of times to retry a failed operation. Currently only used for
# retrying a message post. (integer value)
# Minimum value: 0
# Deprecated group/name - [drivers:storage:mongodb]/max_attempts
#max_attempts = 1000

# Maximum sleep interval between retries (actual sleep time increases linearly
# according to number of attempts performed). (floating point value)
# Deprecated group/name - [drivers:storage:mongodb]/max_retry_sleep
#max_retry_sleep = 0.1

# Maximum jitter interval, to be added to the sleep interval, in order to
# decrease probability that parallel requests will retry at the same instant.
# (floating point value)
# Deprecated group/name - [drivers:storage:mongodb]/max_retry_jitter
#max_retry_jitter = 0.005

# Maximum number of times to retry an operation that failed due to a primary
# node failover. (integer value)
# Deprecated group/name - [drivers:storage:mongodb]/max_reconnect_attempts
#max_reconnect_attempts = 10

# Base sleep interval between attempts to reconnect after a primary node
# failover. The actual sleep time increases exponentially (power of 2) each
# time the operation is retried. (floating point value)
# Deprecated group/name - [drivers:storage:mongodb]/reconnect_sleep
#reconnect_sleep = 0.02

# Number of databases across which to partition message data, in order to
# reduce writer lock %. DO NOT change this setting after initial deployment. It
# MUST remain static. Also, you should not need a large number of partitions to
# improve performance, esp. if deploying MongoDB on SSD storage. (integer
# value)
# Deprecated group/name - [drivers:storage:mongodb]/partitions
#partitions = 2


[drivers:message_store:redis]

#
# From zaqar
#

# Redis connection URI, taking one of three forms. For a direct connection to a
# Redis server, use the form "redis://[:password]@host[:port][?options]", where
# password is redis-server's password, whenredis-server is set password, the
# password optionneeds to be set. port defaults to 6379 if notspecified. For an
# HA master-slave Redis cluster using Redis Sentinel, use the form
# "redis://[:password]@host1[:port1][,host2[:port2],...,hostN[:portN]][?options]",
# where each host specified corresponds to an instance of redis-sentinel. In
# this form, the name of the Redis master used in the Sentinel configuration
# must be included in the query string as "master=<name>". Finally, to connect
# to a local instance of Redis over a unix socket, you may use the form
# "redis:[:password]@/path/to/redis.sock[?options]". In all forms, the
# "socket_timeout" option may bespecified in the query string. Its value is
# given in seconds. If not provided, "socket_timeout" defaults to 0.1
# seconds.There are multiple database instances in redis database, for example
# in the /etc/redis/redis.conf, if the parameter is "database 16", there are 16
# database instances. By default, the data is stored in db = 0 database, if you
# want to use db = 1 database, you can use the following form:
# "redis://host[:port][?dbid=1]". (string value)
# Deprecated group/name - [drivers:storage:redis]/uri
#uri = redis://127.0.0.1:6379

# Maximum number of times to retry an operation that failed due to a redis node
# failover. (integer value)
# Deprecated group/name - [drivers:storage:redis]/max_reconnect_attempts
#max_reconnect_attempts = 10

# Base sleep interval between attempts to reconnect after a redis node
# failover.  (floating point value)
# Deprecated group/name - [drivers:storage:redis]/reconnect_sleep
#reconnect_sleep = 1.0


[drivers:message_store:swift]

#
# From zaqar
#

# URI of Keystone endpoint to discover Swift (string value)
#auth_url = http://127.0.0.1:5000/v3/

# Custom URI describing the swift connection. (string value)
#uri = swift://demo:nomoresecrete@/demo

# Don't check SSL certificate (string value)
#insecure = False

# Domain ID containing project (string value)
#project_domain_id = default

# Domain name containing project (string value)
#project_domain_name = <None>

# User's domain id (string value)
#user_domain_id = default

# User's domain name (string value)
#user_domain_name = <None>

# Region name (string value)
#region_name = <None>

# The default interface for endpoint URL discovery. (string value)
#interface = publicURL


[drivers:transport:websocket]

#
# From zaqar
#

# Address on which the self-hosting server will listen. (host address value)
#bind = 127.0.0.1

# Port on which the self-hosting server will listen. (port value)
# Minimum value: 0
# Maximum value: 65535
#port = 9000

# Port on which the service is provided to the user. (port value)
# Minimum value: 0
# Maximum value: 65535
#external_port = <None>

# Address on which the notification server will listen. (host address value)
#notification_bind = <None>

# Port on which the notification server will listen. (port value)
# Minimum value: 0
# Maximum value: 65535
#notification_port = 0


[drivers:transport:wsgi]

#
# From zaqar
#

# Address on which the self-hosting server will listen. (host address value)
#bind = 127.0.0.1

# Port on which the self-hosting server will listen. (port value)
# Minimum value: 0
# Maximum value: 65535
#port = 8888


[keystone_authtoken]

#
# From keystonemiddleware.auth_token
#

# Complete "public" Identity API endpoint. This endpoint should not be an
# "admin" endpoint, as it should be accessible by all end users.
# Unauthenticated clients are redirected to this endpoint to authenticate.
# Although this endpoint should ideally be unversioned, client support in the
# wild varies. If you're using a versioned v2 endpoint here, then this should
# *not* be the same endpoint the service user utilizes for validating tokens,
# because normal end users may not be able to reach that endpoint. (string
# value)
# Deprecated group/name - [keystone_authtoken]/auth_uri
#www_authenticate_uri = <None>

# DEPRECATED: Complete "public" Identity API endpoint. This endpoint should not
# be an "admin" endpoint, as it should be accessible by all end users.
# Unauthenticated clients are redirected to this endpoint to authenticate.
# Although this endpoint should ideally be unversioned, client support in the
# wild varies. If you're using a versioned v2 endpoint here, then this should
# *not* be the same endpoint the service user utilizes for validating tokens,
# because normal end users may not be able to reach that endpoint. This option
# is deprecated in favor of www_authenticate_uri and will be removed in the S
# release. (string value)
# This option is deprecated for removal since Queens.
# Its value may be silently ignored in the future.
# Reason: The auth_uri option is deprecated in favor of www_authenticate_uri
# and will be removed in the S  release.
#auth_uri = <None>

# API version of the Identity API endpoint. (string value)
#auth_version = <None>

# Interface to use for the Identity API endpoint. Valid values are "public",
# "internal" (default) or "admin". (string value)
#interface = internal

# Do not handle authorization requests within the middleware, but delegate the
# authorization decision to downstream WSGI components. (boolean value)
#delay_auth_decision = false

# Request timeout value for communicating with Identity API server. (integer
# value)
#http_connect_timeout = <None>

# How many times are we trying to reconnect when communicating with Identity
# API Server. (integer value)
#http_request_max_retries = 3

# Request environment key where the Swift cache object is stored. When
# auth_token middleware is deployed with a Swift cache, use this option to have
# the middleware share a caching backend with swift. Otherwise, use the
# ``memcached_servers`` option instead. (string value)
#cache = <None>

# Required if identity server requires client certificate (string value)
#certfile = <None>

# Required if identity server requires client certificate (string value)
#keyfile = <None>

# A PEM encoded Certificate Authority to use when verifying HTTPs connections.
# Defaults to system CAs. (string value)
#cafile = <None>

# Verify HTTPS connections. (boolean value)
#insecure = false

# The region in which the identity server can be found. (string value)
#region_name = <None>

# Optionally specify a list of memcached server(s) to use for caching. If left
# undefined, tokens will instead be cached in-process. (list value)
# Deprecated group/name - [keystone_authtoken]/memcache_servers
#memcached_servers = <None>

# In order to prevent excessive effort spent validating tokens, the middleware
# caches previously-seen tokens for a configurable duration (in seconds). Set
# to -1 to disable caching completely. (integer value)
#token_cache_time = 300

# (Optional) If defined, indicate whether token data should be authenticated or
# authenticated and encrypted. If MAC, token data is authenticated (with HMAC)
# in the cache. If ENCRYPT, token data is encrypted and authenticated in the
# cache. If the value is not one of these options or empty, auth_token will
# raise an exception on initialization. (string value)
# Possible values:
# None - <No description provided>
# MAC - <No description provided>
# ENCRYPT - <No description provided>
#memcache_security_strategy = None

# (Optional, mandatory if memcache_security_strategy is defined) This string is
# used for key derivation. (string value)
#memcache_secret_key = <None>

# (Optional) Number of seconds memcached server is considered dead before it is
# tried again. (integer value)
#memcache_pool_dead_retry = 300

# (Optional) Maximum total number of open connections to every memcached
# server. (integer value)
#memcache_pool_maxsize = 10

# (Optional) Socket timeout in seconds for communicating with a memcached
# server. (integer value)
#memcache_pool_socket_timeout = 3

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

# (Optional) Number of seconds that an operation will wait to get a memcached
# client connection from the pool. (integer value)
#memcache_pool_conn_get_timeout = 10

# (Optional) Use the advanced (eventlet safe) memcached client pool. (boolean
# value)
#memcache_use_advanced_pool = true

# (Optional) Indicate whether to set the X-Service-Catalog header. If False,
# middleware will not ask for service catalog on token validation and will not
# set the X-Service-Catalog header. (boolean value)
#include_service_catalog = true

# Used to control the use and type of token binding. Can be set to: "disabled"
# to not check token binding. "permissive" (default) to validate binding
# information if the bind type is of a form known to the server and ignore it
# if not. "strict" like "permissive" but if the bind type is unknown the token
# will be rejected. "required" any form of token binding is needed to be
# allowed. Finally the name of a binding method that must be present in tokens.
# (string value)
#enforce_token_bind = permissive

# A choice of roles that must be present in a service token. Service tokens are
# allowed to request that an expired token can be used and so this check should
# tightly control that only actual services should be sending this token. Roles
# here are applied as an ANY check so any role in this list must be present.
# For backwards compatibility reasons this currently only affects the
# allow_expired check. (list value)
#service_token_roles = service

# For backwards compatibility reasons we must let valid service tokens pass
# that don't pass the service_token_roles check as valid. Setting this true
# will become the default in a future release and should be enabled if
# possible. (boolean value)
#service_token_roles_required = false

# The name or type of the service as it appears in the service catalog. This is
# used to validate tokens that have restricted access rules. (string value)
#service_type = <None>

# Authentication type to load (string value)
# Deprecated group/name - [keystone_authtoken]/auth_plugin
#auth_type = <None>

# Config Section from which to load plugin specific options (string value)
#auth_section = <None>


[notification]

#
# From zaqar
#

# There are two values can be chosen: third_part or self_local. third_part
# means Zaqar will use the tools from config option smtp_commnd. self_local
# means the smtp python library will be used. (string value)
# Possible values:
# third_part - <No description provided>
# self_local - <No description provided>
#smtp_mode = third_part

# The host IP for the email system. It should be set when smtp_mode is set to
# self_local. (host address value)
#smtp_host = <None>

# The port for the email system. It should be set when smtp_mode is set to
# self_local. (port value)
# Minimum value: 0
# Maximum value: 65535
#smtp_port = <None>

# The user name for the email system to login. It should be set when smtp_mode
# is set to self_local. (string value)
#smtp_user_name = <None>

# The user password for the email system to login. It should be set when
# smtp_mode is set to self_local. (string value)
#smtp_user_password = <None>

# The command of smtp to send email. The format is "command_name arg1 arg2".
# (string value)
#smtp_command = /usr/sbin/sendmail -t -oi

# The max amount of the notification workers. (integer value)
#max_notifier_workers = 10

# Whether the http/https/email subscription need to be confirmed before
# notification. (boolean value)
#require_confirmation = false

# The confirmation page url that will be used in email subscription
# confirmation before notification. (string value)
#external_confirmation_url = <None>

# Defines the set of subscription confirmation email content, including topic,
# body and sender. There is a mapping is {0} -> queue name, {1} ->project id,
# {2}-> confirm url in body string. User can use any of the three values. But
# they can't use more than three. (dict value)
#subscription_confirmation_email_template = body:You have chosen to subscribe to the queue: {0}. This queue belongs to project: {1}. To confirm this subscription, click or visit this link below: {2},sender:Zaqar Notifications <no-reply@openstack.org>,topic:Zaqar Notification - Subscription Confirmation

# Defines the set of unsubscribe confirmation email content, including topic,
# body and sender. There is a mapping is {0} -> queue name, {1} ->project id,
# {2}-> confirm url in body string. User can use any of the three values. But
# they can't use more than three. (dict value)
#unsubscribe_confirmation_email_template = body:You have unsubscribed successfully to the queue: {0}. This queue belongs to project: {1}. To resubscribe this subscription, click or visit this link below: {2},sender:Zaqar Notifications <no-reply@openstack.org>,topic:Zaqar Notification - Unsubscribe Confirmation


[oslo_messaging_amqp]

#
# From oslo.messaging
#

# Name for the AMQP container. must be globally unique. Defaults to a generated
# UUID (string value)
#container_name = <None>

# Timeout for inactive connections (in seconds) (integer value)
#idle_timeout = 0

# Debug: dump AMQP frames to stdout (boolean value)
#trace = false

# Attempt to connect via SSL. If no other ssl-related parameters are given, it
# will use the system's CA-bundle to verify the server's certificate. (boolean
# value)
#ssl = false

# CA certificate PEM file used to verify the server's certificate (string
# value)
#ssl_ca_file =

# Self-identifying certificate PEM file for client authentication (string
# value)
#ssl_cert_file =

# Private key PEM file used to sign ssl_cert_file certificate (optional)
# (string value)
#ssl_key_file =

# Password for decrypting ssl_key_file (if encrypted) (string value)
#ssl_key_password = <None>

# By default SSL checks that the name in the server's certificate matches the
# hostname in the transport_url. In some configurations it may be preferable to
# use the virtual hostname instead, for example if the server uses the Server
# Name Indication TLS extension (rfc6066) to provide a certificate per virtual
# host. Set ssl_verify_vhost to True if the server's SSL certificate uses the
# virtual host name instead of the DNS name. (boolean value)
#ssl_verify_vhost = false

# Space separated list of acceptable SASL mechanisms (string value)
#sasl_mechanisms =

# Path to directory that contains the SASL configuration (string value)
#sasl_config_dir =

# Name of configuration file (without .conf suffix) (string value)
#sasl_config_name =

# SASL realm to use if no realm present in username (string value)
#sasl_default_realm =

# Seconds to pause before attempting to re-connect. (integer value)
# Minimum value: 1
#connection_retry_interval = 1

# Increase the connection_retry_interval by this many seconds after each
# unsuccessful failover attempt. (integer value)
# Minimum value: 0
#connection_retry_backoff = 2

# Maximum limit for connection_retry_interval + connection_retry_backoff
# (integer value)
# Minimum value: 1
#connection_retry_interval_max = 30

# Time to pause between re-connecting an AMQP 1.0 link that failed due to a
# recoverable error. (integer value)
# Minimum value: 1
#link_retry_delay = 10

# The maximum number of attempts to re-send a reply message which failed due to
# a recoverable error. (integer value)
# Minimum value: -1
#default_reply_retry = 0

# The deadline for an rpc reply message delivery. (integer value)
# Minimum value: 5
#default_reply_timeout = 30

# The deadline for an rpc cast or call message delivery. Only used when caller
# does not provide a timeout expiry. (integer value)
# Minimum value: 5
#default_send_timeout = 30

# The deadline for a sent notification message delivery. Only used when caller
# does not provide a timeout expiry. (integer value)
# Minimum value: 5
#default_notify_timeout = 30

# The duration to schedule a purge of idle sender links. Detach link after
# expiry. (integer value)
# Minimum value: 1
#default_sender_link_timeout = 600

# Indicates the addressing mode used by the driver.
# Permitted values:
# 'legacy'   - use legacy non-routable addressing
# 'routable' - use routable addresses
# 'dynamic'  - use legacy addresses if the message bus does not support routing
# otherwise use routable addressing (string value)
#addressing_mode = dynamic

# Enable virtual host support for those message buses that do not natively
# support virtual hosting (such as qpidd). When set to true the virtual host
# name will be added to all message bus addresses, effectively creating a
# private 'subnet' per virtual host. Set to False if the message bus supports
# virtual hosting using the 'hostname' field in the AMQP 1.0 Open performative
# as the name of the virtual host. (boolean value)
#pseudo_vhost = true

# address prefix used when sending to a specific server (string value)
#server_request_prefix = exclusive

# address prefix used when broadcasting to all servers (string value)
#broadcast_prefix = broadcast

# address prefix when sending to any server in group (string value)
#group_request_prefix = unicast

# Address prefix for all generated RPC addresses (string value)
#rpc_address_prefix = openstack.org/om/rpc

# Address prefix for all generated Notification addresses (string value)
#notify_address_prefix = openstack.org/om/notify

# Appended to the address prefix when sending a fanout message. Used by the
# message bus to identify fanout messages. (string value)
#multicast_address = multicast

# Appended to the address prefix when sending to a particular RPC/Notification
# server. Used by the message bus to identify messages sent to a single
# destination. (string value)
#unicast_address = unicast

# Appended to the address prefix when sending to a group of consumers. Used by
# the message bus to identify messages that should be delivered in a round-
# robin fashion across consumers. (string value)
#anycast_address = anycast

# Exchange name used in notification addresses.
# Exchange name resolution precedence:
# Target.exchange if set
# else default_notification_exchange if set
# else control_exchange if set
# else 'notify' (string value)
#default_notification_exchange = <None>

# Exchange name used in RPC addresses.
# Exchange name resolution precedence:
# Target.exchange if set
# else default_rpc_exchange if set
# else control_exchange if set
# else 'rpc' (string value)
#default_rpc_exchange = <None>

# Window size for incoming RPC Reply messages. (integer value)
# Minimum value: 1
#reply_link_credit = 200

# Window size for incoming RPC Request messages (integer value)
# Minimum value: 1
#rpc_server_credit = 100

# Window size for incoming Notification messages (integer value)
# Minimum value: 1
#notify_server_credit = 100

# Send messages of this type pre-settled.
# Pre-settled messages will not receive acknowledgement
# from the peer. Note well: pre-settled messages may be
# silently discarded if the delivery fails.
# Permitted values:
# 'rpc-call' - send RPC Calls pre-settled
# 'rpc-reply'- send RPC Replies pre-settled
# 'rpc-cast' - Send RPC Casts pre-settled
# 'notify'   - Send Notifications pre-settled
#  (multi valued)
#pre_settled = rpc-cast
#pre_settled = rpc-reply


[oslo_messaging_kafka]

#
# From oslo.messaging
#

# Max fetch bytes of Kafka consumer (integer value)
#kafka_max_fetch_bytes = 1048576

# Default timeout(s) for Kafka consumers (floating point value)
#kafka_consumer_timeout = 1.0

# DEPRECATED: Pool Size for Kafka Consumers (integer value)
# This option is deprecated for removal.
# Its value may be silently ignored in the future.
# Reason: Driver no longer uses connection pool.
#pool_size = 10

# DEPRECATED: The pool size limit for connections expiration policy (integer
# value)
# This option is deprecated for removal.
# Its value may be silently ignored in the future.
# Reason: Driver no longer uses connection pool.
#conn_pool_min_size = 2

# DEPRECATED: The time-to-live in sec of idle connections in the pool (integer
# value)
# This option is deprecated for removal.
# Its value may be silently ignored in the future.
# Reason: Driver no longer uses connection pool.
#conn_pool_ttl = 1200

# Group id for Kafka consumer. Consumers in one group will coordinate message
# consumption (string value)
#consumer_group = oslo_messaging_consumer

# Upper bound on the delay for KafkaProducer batching in seconds (floating
# point value)
#producer_batch_timeout = 0.0

# Size of batch for the producer async send (integer value)
#producer_batch_size = 16384

# The compression codec for all data generated by the producer. If not set,
# compression will not be used. Note that the allowed values of this depend on
# the kafka version (string value)
# Possible values:
# none - <No description provided>
# gzip - <No description provided>
# snappy - <No description provided>
# lz4 - <No description provided>
# zstd - <No description provided>
#compression_codec = none

# Enable asynchronous consumer commits (boolean value)
#enable_auto_commit = false

# The maximum number of records returned in a poll call (integer value)
#max_poll_records = 500

# Protocol used to communicate with brokers (string value)
# Possible values:
# PLAINTEXT - <No description provided>
# SASL_PLAINTEXT - <No description provided>
# SSL - <No description provided>
# SASL_SSL - <No description provided>
#security_protocol = PLAINTEXT

# Mechanism when security protocol is SASL (string value)
#sasl_mechanism = PLAIN

# CA certificate PEM file used to verify the server certificate (string value)
#ssl_cafile =

# Client certificate PEM file used for authentication. (string value)
#ssl_client_cert_file =

# Client key PEM file used for authentication. (string value)
#ssl_client_key_file =

# Client key password file used for authentication. (string value)
#ssl_client_key_password =


[oslo_messaging_notifications]

#
# From oslo.messaging
#

# The Drivers(s) to handle sending notifications. Possible values are
# messaging, messagingv2, routing, log, test, noop (multi valued)
# Deprecated group/name - [DEFAULT]/notification_driver
#driver =

# A URL representing the messaging driver to use for notifications. If not set,
# we fall back to the same configuration used for RPC. (string value)
# Deprecated group/name - [DEFAULT]/notification_transport_url
#transport_url = <None>

# AMQP topic used for OpenStack notifications. (list value)
# Deprecated group/name - [rpc_notifier2]/topics
# Deprecated group/name - [DEFAULT]/notification_topics
#topics = notifications

# The maximum number of attempts to re-send a notification message which failed
# to be delivered due to a recoverable error. 0 - No retry, -1 - indefinite
# (integer value)
#retry = -1


[oslo_messaging_rabbit]

#
# From oslo.messaging
#

# Use durable queues in AMQP. If rabbit_quorum_queue is enabled, queues will be
# durable and this value will be ignored. (boolean value)
#amqp_durable_queues = false

# Auto-delete queues in AMQP. (boolean value)
#amqp_auto_delete = false

# Connect over SSL. (boolean value)
# Deprecated group/name - [oslo_messaging_rabbit]/rabbit_use_ssl
#ssl = false

# SSL version to use (valid only if SSL enabled). Valid values are TLSv1 and
# SSLv23. SSLv2, SSLv3, TLSv1_1, and TLSv1_2 may be available on some
# distributions. (string value)
# Deprecated group/name - [oslo_messaging_rabbit]/kombu_ssl_version
#ssl_version =

# SSL key file (valid only if SSL enabled). (string value)
# Deprecated group/name - [oslo_messaging_rabbit]/kombu_ssl_keyfile
#ssl_key_file =

# SSL cert file (valid only if SSL enabled). (string value)
# Deprecated group/name - [oslo_messaging_rabbit]/kombu_ssl_certfile
#ssl_cert_file =

# SSL certification authority file (valid only if SSL enabled). (string value)
# Deprecated group/name - [oslo_messaging_rabbit]/kombu_ssl_ca_certs
#ssl_ca_file =

# Global toggle for enforcing the OpenSSL FIPS mode. This feature requires
# Python support. This is available in Python 3.9 in all environments and may
# have been backported to older Python versions on select environments. If the
# Python executable used does not support OpenSSL FIPS mode, an exception will
# be raised. (boolean value)
#ssl_enforce_fips_mode = false

# Run the health check heartbeat thread through a native python thread by
# default. If this option is equal to False then the health check heartbeat
# will inherit the execution model from the parent process. For example if the
# parent process has monkey patched the stdlib by using eventlet/greenlet then
# the heartbeat will be run through a green thread. This option should be set
# to True only for the wsgi services. (boolean value)
#heartbeat_in_pthread = false

# How long to wait (in seconds) before reconnecting in response to an AMQP
# consumer cancel notification. (floating point value)
# Minimum value: 0.0
# Maximum value: 4.5
#kombu_reconnect_delay = 1.0

# EXPERIMENTAL: Possible values are: gzip, bz2. If not set compression will not
# be used. This option may not be available in future versions. (string value)
#kombu_compression = <None>

# How long to wait a missing client before abandoning to send it its replies.
# This value should not be longer than rpc_response_timeout. (integer value)
# Deprecated group/name - [oslo_messaging_rabbit]/kombu_reconnect_timeout
#kombu_missing_consumer_retry_timeout = 60

# Determines how the next RabbitMQ node is chosen in case the one we are
# currently connected to becomes unavailable. Takes effect only if more than
# one RabbitMQ node is provided in config. (string value)
# Possible values:
# round-robin - <No description provided>
# shuffle - <No description provided>
#kombu_failover_strategy = round-robin

# The RabbitMQ login method. (string value)
# Possible values:
# PLAIN - <No description provided>
# AMQPLAIN - <No description provided>
# EXTERNAL - <No description provided>
# RABBIT-CR-DEMO - <No description provided>
#rabbit_login_method = AMQPLAIN

# How frequently to retry connecting with RabbitMQ. (integer value)
#rabbit_retry_interval = 1

# How long to backoff for between retries when connecting to RabbitMQ. (integer
# value)
#rabbit_retry_backoff = 2

# Maximum interval of RabbitMQ connection retries. Default is 30 seconds.
# (integer value)
#rabbit_interval_max = 30

# Try to use HA queues in RabbitMQ (x-ha-policy: all). If you change this
# option, you must wipe the RabbitMQ database. In RabbitMQ 3.0, queue mirroring
# is no longer controlled by the x-ha-policy argument when declaring a queue.
# If you just want to make sure that all queues (except those with auto-
# generated names) are mirrored across all nodes, run: "rabbitmqctl set_policy
# HA '^(?!amq\.).*' '{"ha-mode": "all"}' " (boolean value)
#rabbit_ha_queues = false

# Use quorum queues in RabbitMQ (x-queue-type: quorum). The quorum queue is a
# modern queue type for RabbitMQ implementing a durable, replicated FIFO queue
# based on the Raft consensus algorithm. It is available as of RabbitMQ 3.8.0.
# If set this option will conflict with the HA queues (``rabbit_ha_queues``)
# aka mirrored queues, in other words the HA queues should be disabled, quorum
# queues durable by default so the amqp_durable_queues opion is ignored when
# this option enabled. (boolean value)
#rabbit_quorum_queue = false

# Each time a message is redelivered to a consumer, a counter is incremented.
# Once the redelivery count exceeds the delivery limit the message gets dropped
# or dead-lettered (if a DLX exchange has been configured) Used only when
# rabbit_quorum_queue is enabled, Default 0 which means dont set a limit.
# (integer value)
#rabbit_quorum_delivery_limit = 0

# By default all messages are maintained in memory if a quorum queue grows in
# length it can put memory pressure on a cluster. This option can limit the
# number of messages in the quorum queue. Used only when rabbit_quorum_queue is
# enabled, Default 0 which means dont set a limit. (integer value)
# Deprecated group/name - [oslo_messaging_rabbit]/rabbit_quroum_max_memory_length
#rabbit_quorum_max_memory_length = 0

# By default all messages are maintained in memory if a quorum queue grows in
# length it can put memory pressure on a cluster. This option can limit the
# number of memory bytes used by the quorum queue. Used only when
# rabbit_quorum_queue is enabled, Default 0 which means dont set a limit.
# (integer value)
# Deprecated group/name - [oslo_messaging_rabbit]/rabbit_quroum_max_memory_bytes
#rabbit_quorum_max_memory_bytes = 0

# Positive integer representing duration in seconds for queue TTL (x-expires).
# Queues which are unused for the duration of the TTL are automatically
# deleted. The parameter affects only reply and fanout queues. (integer value)
# Minimum value: 1
#rabbit_transient_queues_ttl = 1800

# Specifies the number of messages to prefetch. Setting to zero allows
# unlimited messages. (integer value)
#rabbit_qos_prefetch_count = 0

# Number of seconds after which the Rabbit broker is considered down if
# heartbeat's keep-alive fails (0 disables heartbeat). (integer value)
#heartbeat_timeout_threshold = 60

# How often times during the heartbeat_timeout_threshold we check the
# heartbeat. (integer value)
#heartbeat_rate = 3

# DEPRECATED: (DEPRECATED) Enable/Disable the RabbitMQ mandatory flag for
# direct send. The direct send is used as reply, so the MessageUndeliverable
# exception is raised in case the client queue does not
# exist.MessageUndeliverable exception will be used to loop for a timeout to
# lets a chance to sender to recover.This flag is deprecated and it will not be
# possible to deactivate this functionality anymore (boolean value)
# This option is deprecated for removal.
# Its value may be silently ignored in the future.
# Reason: Mandatory flag no longer deactivable.
#direct_mandatory_flag = true

# Enable x-cancel-on-ha-failover flag so that rabbitmq server will cancel and
# notify consumerswhen queue is down (boolean value)
#enable_cancel_on_failover = false


[oslo_policy]

#
# From oslo.policy
#

# This option controls whether or not to enforce scope when evaluating
# policies. If ``True``, the scope of the token used in the request is compared
# to the ``scope_types`` of the policy being enforced. If the scopes do not
# match, an ``InvalidScope`` exception will be raised. If ``False``, a message
# will be logged informing operators that policies are being invoked with
# mismatching scope. (boolean value)
#enforce_scope = false

# This option controls whether or not to use old deprecated defaults when
# evaluating policies. If ``True``, the old deprecated defaults are not going
# to be evaluated. This means if any existing token is allowed for old defaults
# but is disallowed for new defaults, it will be disallowed. It is encouraged
# to enable this flag along with the ``enforce_scope`` flag so that you can get
# the benefits of new defaults and ``scope_type`` together. If ``False``, the
# deprecated policy check string is logically OR'd with the new policy check
# string, allowing for a graceful upgrade experience between releases with new
# policies, which is the default behavior. (boolean value)
#enforce_new_defaults = false

# The relative or absolute path of a file that maps roles to permissions for a
# given service. Relative paths must be specified in relation to the
# configuration file setting this option. (string value)
#policy_file = policy.json

# Default rule. Enforced when a requested rule is not found. (string value)
#policy_default_rule = default

# Directories where policy configuration files are stored. They can be relative
# to any directory in the search path defined by the config_dir option, or
# absolute paths. The file defined by policy_file must exist for these
# directories to be searched.  Missing or empty directories are ignored. (multi
# valued)
#policy_dirs = policy.d

# Content Type to send and receive data for REST based policy check (string
# value)
# Possible values:
# application/x-www-form-urlencoded - <No description provided>
# application/json - <No description provided>
#remote_content_type = application/x-www-form-urlencoded

# server identity verification for REST based policy check (boolean value)
#remote_ssl_verify_server_crt = false

# Absolute path to ca cert file for REST based policy check (string value)
#remote_ssl_ca_crt_file = <None>

# Absolute path to client cert for REST based policy check (string value)
#remote_ssl_client_crt_file = <None>

# Absolute path client key file REST based policy check (string value)
#remote_ssl_client_key_file = <None>


[oslo_reports]

#
# From oslo.reports
#

# Path to a log directory where to create a file (string value)
#log_dir = <None>

# The path to a file to watch for changes to trigger the reports, instead of
# signals. Setting this option disables the signal trigger for the reports. If
# application is running as a WSGI application it is recommended to use this
# instead of signals. (string value)
#file_event_handler = <None>

# How many seconds to wait between polls when file_event_handler is set
# (integer value)
#file_event_handler_interval = 1


[pooling:catalog]

#
# From zaqar
#

# If enabled, the message_store will be used as the storage for the virtual
# pool. (boolean value)
#enable_virtual_pool = false


[profiler]

#
# From osprofiler
#

#
# Enable the profiling for all services on this node.
#
# Default value is False (fully disable the profiling feature).
#
# Possible values:
#
# * True: Enables the feature
# * False: Disables the feature. The profiling cannot be started via this
# project
#   operations. If the profiling is triggered by another project, this project
#   part will be empty.
#  (boolean value)
# Deprecated group/name - [profiler]/profiler_enabled
#enabled = false

#
# Enable SQL requests profiling in services.
#
# Default value is False (SQL requests won't be traced).
#
# Possible values:
#
# * True: Enables SQL requests profiling. Each SQL query will be part of the
#   trace and can the be analyzed by how much time was spent for that.
# * False: Disables SQL requests profiling. The spent time is only shown on a
#   higher level of operations. Single SQL queries cannot be analyzed this way.
#  (boolean value)
#trace_sqlalchemy = false

#
# Enable python requests package profiling.
#
# Supported drivers: jaeger+otlp
#
# Default value is False.
#
# Possible values:
#
# * True: Enables requests profiling.
# * False: Disables requests profiling.
#  (boolean value)
#trace_requests = false

#
# Secret key(s) to use for encrypting context data for performance profiling.
#
# This string value should have the following format:
# <key1>[,<key2>,...<keyn>],
# where each key is some random string. A user who triggers the profiling via
# the REST API has to set one of these keys in the headers of the REST API call
# to include profiling results of this node for this particular project.
#
# Both "enabled" flag and "hmac_keys" config options should be set to enable
# profiling. Also, to generate correct profiling information across all
# services
# at least one key needs to be consistent between OpenStack projects. This
# ensures it can be used from client side to generate the trace, containing
# information from all possible resources.
#  (string value)
#hmac_keys = SECRET_KEY

#
# Connection string for a notifier backend.
#
# Default value is ``messaging://`` which sets the notifier to oslo_messaging.
#
# Examples of possible values:
#
# * ``messaging://`` - use oslo_messaging driver for sending spans.
# * ``redis://127.0.0.1:6379`` - use redis driver for sending spans.
# * ``mongodb://127.0.0.1:27017`` - use mongodb driver for sending spans.
# * ``elasticsearch://127.0.0.1:9200`` - use elasticsearch driver for sending
#   spans.
# * ``jaeger://127.0.0.1:6831`` - use jaeger tracing as driver for sending
# spans.
#  (string value)
#connection_string = messaging://

#
# Document type for notification indexing in elasticsearch.
#  (string value)
#es_doc_type = notification

#
# This parameter is a time value parameter (for example: es_scroll_time=2m),
# indicating for how long the nodes that participate in the search will
# maintain
# relevant resources in order to continue and support it.
#  (string value)
#es_scroll_time = 2m

#
# Elasticsearch splits large requests in batches. This parameter defines
# maximum size of each batch (for example: es_scroll_size=10000).
#  (integer value)
#es_scroll_size = 10000

#
# Redissentinel provides a timeout option on the connections.
# This parameter defines that timeout (for example: socket_timeout=0.1).
#  (floating point value)
#socket_timeout = 0.1

#
# Redissentinel uses a service name to identify a master redis service.
# This parameter defines the name (for example:
# ``sentinal_service_name=mymaster``).
#  (string value)
#sentinel_service_name = mymaster

#
# Enable filter traces that contain error/exception to a separated place.
#
# Default value is set to False.
#
# Possible values:
#
# * True: Enable filter traces that contain error/exception.
# * False: Disable the filter.
#  (boolean value)
#filter_error_trace = false

#
# From zaqar
#

# If False doesn't trace any transport requests.Please note that it doesn't
# work for websocket now. (boolean value)
#trace_wsgi_transport = false

# If False doesn't trace any message store requests. (boolean value)
#trace_message_store = false

# If False doesn't trace any management store requests. (boolean value)
#trace_management_store = false


[profiler_jaeger]

#
# From osprofiler
#

#
# Set service name prefix to Jaeger service name.
#  (string value)
#service_name_prefix = <None>

#
# Set process tracer tags.
#  (dict value)
#process_tags =


[profiler_otlp]

#
# From osprofiler
#

#
# Set service name prefix to OTLP exporters.
#  (string value)
#service_name_prefix = <None>


[signed_url]

#
# From zaqar
#

# Secret key used to encrypt pre-signed URLs. (string value)
#secret_key = <None>


[storage]

#
# From zaqar
#

# Pipeline to use for processing queue operations. This pipeline will be
# consumed before calling the storage driver's controller methods. (list value)
#queue_pipeline =

# Pipeline to use for processing message operations. This pipeline will be
# consumed before calling the storage driver's controller methods. (list value)
#message_pipeline =

# Pipeline to use for processing claim operations. This pipeline will be
# consumed before calling the storage driver's controller methods. (list value)
#claim_pipeline =

# Pipeline to use for processing subscription operations. This pipeline will be
# consumed before calling the storage driver's controller methods. (list value)
#subscription_pipeline =

# Pipeline to use for processing topic operations. This pipeline will be
# consumed before calling the storage driver's controller methods. (list value)
#topic_pipeline =


[transport]

#
# From zaqar
#

# Defines how long a message will be accessible. (integer value)
#default_message_ttl = 3600

# Defines the defautl value for queue delay seconds.The 0 means the delayed
# queues feature is close. (integer value)
#default_message_delay = 0

# Defines how long a message will be in claimed state. (integer value)
#default_claim_ttl = 300

# Defines the message grace period in seconds. (integer value)
#default_claim_grace = 60

# Defines how long a subscription will be available. (integer value)
#default_subscription_ttl = 3600

# Defines the maximum number of queues per page. (integer value)
# Deprecated group/name - [limits:transport]/queue_paging_uplimit
#max_queues_per_page = 20

# Defines the maximum number of messages per page. (integer value)
# Deprecated group/name - [limits:transport]/message_paging_uplimit
#max_messages_per_page = 20

# Defines the maximum number of subscriptions per page. (integer value)
# Deprecated group/name - [limits:transport]/subscription_paging_uplimit
#max_subscriptions_per_page = 20

# The maximum number of messages that can be claimed (OR) popped in a single
# request (integer value)
# Deprecated group/name - [transport]/max_messages_per_claim
#max_messages_per_claim_or_pop = 20

# Defines the maximum amount of metadata in a queue. (integer value)
# Deprecated group/name - [limits:transport]/metadata_size_uplimit
#max_queue_metadata = 65536

# Defines the maximum size of message posts. (integer value)
# Deprecated group/name - [transport]/max_message_size
# Deprecated group/name - [limits:transport]/message_size_uplimit
#max_messages_post_size = 262144

# Maximum amount of time a message will be available. (integer value)
# Deprecated group/name - [limits:transport]/message_ttl_max
#max_message_ttl = 1209600

# Maximum delay seconds for messages can be claimed. (integer value)
#max_message_delay = 900

# Maximum length of a message in claimed state. (integer value)
# Deprecated group/name - [limits:transport]/claim_ttl_max
#max_claim_ttl = 43200

# Defines the maximum message grace period in seconds. (integer value)
# Deprecated group/name - [limits:transport]/claim_grace_max
#max_claim_grace = 43200

# Defines supported subscriber types. (list value)
#subscriber_types = http,https,mailto,trust+http,trust+https

# Defines the maximum number of flavors per page. (integer value)
#max_flavors_per_page = 20

# Defines the maximum number of pools per page. (integer value)
#max_pools_per_page = 20

# Defines the format of client id, the value could be "strict" or "off".
# "strict" means the format of client id must be uuid, "off" means the
# restriction be removed. (string value)
# Possible values:
# strict - <No description provided>
# off - <No description provided>
#client_id_uuid_safe = strict

# Defines the minimum length of client id if remove the uuid restriction.
# Default is 10. (integer value)
#min_length_client_id = 10

# Defines the maximum length of client id if remove the uuid restriction.
# Default is 36. (integer value)
#max_length_client_id = 36

# Enable delete messages must be with claim IDS. This will improve the security
# of the message avoiding delete messages before they are claimed and handled.
# (boolean value)
#message_delete_with_claim_id = false

# Defines the encryption algorithms of messages, the value could be "AES256"
# for now. (string value)
# Possible values:
# AES256 - <No description provided>
#message_encryption_algorithms = AES256

# Defines the encryption key of algorithms. (string value)
#message_encryption_key = AES256