kolla-ansible/ansible/roles/keystone/templates/keystone.conf.j2

[DEFAULT]
debug = {{ keystone_logging_debug }}

transport_url = {{ rpc_transport_url }}

# NOTE(elemoine) log_dir alone does not work for Keystone
log_file = /var/log/kolla/keystone/keystone.log
use_stderr = True

[oslo_middleware]
enable_proxy_headers_parsing = True

{% if keystone_policy_file is defined %}
[oslo_policy]
policy_file = {{ keystone_policy_file }}
{% endif %}

[database]
connection = mysql+pymysql://{{ keystone_database_user }}:{{ keystone_database_password }}@{{ keystone_database_address }}/{{ keystone_database_name }}
max_retries = -1

{% if keystone_domain_directory.stat.exists %}
[identity]
domain_specific_drivers_enabled = true
domain_config_dir = /etc/keystone/domains
{% endif %}

[token]
revoke_by_id = False
provider = {{ keystone_token_provider }}
expiration = {{ fernet_token_expiry }}
allow_expired_window = {{ fernet_token_allow_expired_window }}

[fernet_tokens]
# Keystone docs note:
#   max_active_keys =
#     ((token_expiration + allow_expired_window) / rotation_frequency) + 2
# https://docs.openstack.org/keystone/stein/admin/fernet-token-faq.html
#
# Use (x + y - 1) / y to round up integer division.
max_active_keys = {{ ((fernet_token_expiry | int +
                       fernet_token_allow_expired_window | int +
                       fernet_key_rotation_interval | int - 1) //
                      fernet_key_rotation_interval | int) + 2 }}

[cache]
backend = oslo_cache.memcache_pool
enabled = True
memcache_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}

[oslo_messaging_notifications]
transport_url = {{ notify_transport_url }}
{% if keystone_enabled_notification_topics %}
driver = messagingv2
topics = {{ keystone_enabled_notification_topics | map(attribute='name') | join(',') }}
{% else %}
driver = noop
{% endif %}


{% if enable_osprofiler | bool %}
[profiler]
enabled = true
trace_sqlalchemy = true
hmac_keys = {{ osprofiler_secret }}
connection_string = {{ osprofiler_backend_connection_string }}
{% endif %}

{% if enable_grafana | bool %}
[cors]
allowed_origin = {{ public_protocol }}://{{ kolla_external_fqdn }}:{{ grafana_server_port }}
{% endif %}