100 lines
3.5 KiB
ReStructuredText
100 lines
3.5 KiB
ReStructuredText
OSLO-Config Values
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------------------
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OpenStack-Helm generates oslo-config compatible formatted configuration files for
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services dynamically from values specified in a yaml tree. This allows operators to
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control any and all aspects of an OpenStack services configuration. An example
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snippet for an imaginary Keystone configuration is described here:
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::
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conf:
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keystone:
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DEFAULT: # Keys at this level are used for section headings
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max_token_size: 255
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token:
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provider: fernet
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fernet_tokens:
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key_repository: /etc/keystone/fernet-keys/
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credential:
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key_repository: /etc/keystone/credential-keys/
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database:
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max_retries: -1
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cache:
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enabled: true
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backend: dogpile.cache.memcached
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oslo_messaging_notifications:
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driver: # An example of a multistring option's syntax
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type: multistring
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values:
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- messagingv2
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- log
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security_compliance:
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password_expires_ignore_user_ids:
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# Values in a list will be converted to a comma separated key
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- "123"
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- "456"
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This will be consumed by the templated ``configmap-etc.yaml`` manifest to
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produce the following config file:
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::
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---
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# Source: keystone/templates/configmap-etc.yaml
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: keystone-etc
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data:
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keystone.conf: |
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[DEFAULT]
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max_token_size = 255
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transport_url = rabbit://keystone:password@rabbitmq.default.svc.cluster.local:5672/openstack
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[cache]
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backend = dogpile.cache.memcached
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enabled = true
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memcache_servers = memcached.default.svc.cluster.local:11211
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[credential]
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key_repository = /etc/keystone/credential-keys/
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[database]
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connection = mysql+pymysql://keystone:password@mariadb.default.svc.cluster.local:3306/keystone
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max_retries = -1
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[fernet_tokens]
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key_repository = /etc/keystone/fernet-keys/
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[oslo_messaging_notifications]
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driver = messagingv2
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driver = log
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[security_compliance]
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password_expires_ignore_user_ids = 123,456
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[token]
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provider = fernet
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Note that some additional values have been injected into the config file, this is
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performed via statements in the configmap template, which also calls the
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``helm-toolkit.utils.to_oslo_conf`` to convert the yaml to the required layout:
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::
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{{- if empty .Values.conf.keystone.database.connection -}}
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{{- tuple "oslo_db" "internal" "user" "mysql" . | include "helm-toolkit.endpoints.authenticated_endpoint_uri_lookup"| set .Values.conf.keystone.database "connection" | quote | trunc 0 -}}
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{{- end -}}
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{{- if empty .Values.conf.keystone.DEFAULT.transport_url -}}
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{{- tuple "oslo_messaging" "internal" "user" "amqp" . | include "helm-toolkit.endpoints.authenticated_endpoint_uri_lookup" | set .Values.conf.keystone.DEFAULT "transport_url" | quote | trunc 0 -}}
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{{- end -}}
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{{- if empty .Values.conf.keystone.cache.memcache_servers -}}
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{{- tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.host_and_port_endpoint_uri_lookup" | set .Values.conf.keystone.cache "memcache_servers" | quote | trunc 0 -}}
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{{- end -}}
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: keystone-etc
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data:
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keystone.conf: |
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{{ include "helm-toolkit.utils.to_oslo_conf" .Values.conf.keystone | indent 4 }}
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{{- end }}
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