Merge "Add quorum queues support for service"

defaults/main.yml

@@ -109,7 +109,13 @@ octavia_oslomsg_rpc_servers: "{{ oslomsg_rpc_servers | default('127.0.0.1') }}"
 octavia_oslomsg_rpc_port: "{{ oslomsg_rpc_port | default('5672') }}"
 octavia_oslomsg_rpc_use_ssl: "{{ oslomsg_rpc_use_ssl | default(False) }}"
 octavia_oslomsg_rpc_userid: octavia
-octavia_oslomsg_rpc_vhost: /octavia
+# vhost name depends on value of oslomsg_rabbit_quorum_queues. In case quorum queues
+# are not used - vhost name will be prefixed with leading `/`.
+octavia_oslomsg_rpc_vhost:
+  - name: /octavia
+    state: "{{ octavia_oslomsg_rabbit_quorum_queues | ternary('absent', 'present') }}"
+  - name: octavia
+    state: "{{ octavia_oslomsg_rabbit_quorum_queues | ternary('present', 'absent') }}"
 octavia_oslomsg_rpc_ssl_version: "{{ oslomsg_rpc_ssl_version | default('TLSv1_2') }}"
 octavia_oslomsg_rpc_ssl_ca_file: "{{ oslomsg_rpc_ssl_ca_file | default('') }}"
 
@@ -127,6 +133,11 @@ octavia_oslomsg_notify_vhost: "{{ octavia_oslomsg_rpc_vhost }}"
 octavia_oslomsg_notify_ssl_version: "{{ oslomsg_notify_ssl_version | default('TLSv1_2') }}"
 octavia_oslomsg_notify_ssl_ca_file: "{{ oslomsg_notify_ssl_ca_file | default('') }}"
 
+## RabbitMQ integration
+octavia_oslomsg_rabbit_quorum_queues: "{{ oslomsg_rabbit_quorum_queues | default(True) }}"
+octavia_oslomsg_rabbit_quorum_delivery_limit: "{{ oslomsg_rabbit_quorum_delivery_limit | default(0) }}"
+octavia_oslomsg_rabbit_quorum_max_memory_bytes: "{{ oslomsg_rabbit_quorum_max_memory_bytes | default(0) }}"
+
 ## (Qdrouterd) integration
 # TODO(ansmith): Change structure when more backends will be supported
 octavia_oslomsg_amqp1_enabled: "{{ octavia_oslomsg_rpc_transport == 'amqp' }}"

templates/octavia.conf.j2

@@ -3,7 +3,7 @@ debug = {{ debug }}
 use_journal = True
 executor_thread_pool_size = {{ octavia_rpc_thread_pool_size }}
 rpc_conn_pool_size = {{ octavia_rpc_conn_pool_size }}
-transport_url = {{ octavia_oslomsg_rpc_transport }}://{% for host in octavia_oslomsg_rpc_servers.split(',') %}{{ octavia_oslomsg_rpc_userid }}:{{ octavia_oslomsg_rpc_password }}@{{ host }}:{{ octavia_oslomsg_rpc_port }}{% if not loop.last %},{% else %}/{{ octavia_oslomsg_rpc_vhost }}{% if octavia_oslomsg_rpc_use_ssl | bool %}?ssl=1&ssl_version={{ octavia_oslomsg_rpc_ssl_version }}&ssl_ca_file={{ octavia_oslomsg_rpc_ssl_ca_file }}{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
+transport_url = {{ octavia_oslomsg_rpc_transport }}://{% for host in octavia_oslomsg_rpc_servers.split(',') %}{{ octavia_oslomsg_rpc_userid }}:{{ octavia_oslomsg_rpc_password }}@{{ host }}:{{ octavia_oslomsg_rpc_port }}{% if not loop.last %},{% else %}/{{ _octavia_oslomsg_rpc_vhost_conf }}{% if octavia_oslomsg_rpc_use_ssl | bool %}?ssl=1&ssl_version={{ octavia_oslomsg_rpc_ssl_version }}&ssl_ca_file={{ octavia_oslomsg_rpc_ssl_ca_file }}{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 
 [api_settings]
 bind_host = {{ octavia_uwsgi_bind_address }}
@@ -23,10 +23,13 @@ topic = octavia_prov
 
 [oslo_messaging_rabbit]
 ssl = {{ octavia_oslomsg_rpc_use_ssl }}
+rabbit_quorum_queue = {{ octavia_oslomsg_rabbit_quorum_queues }}
+rabbit_quorum_delivery_limit = {{ octavia_oslomsg_rabbit_quorum_delivery_limit }}
+rabbit_quorum_max_memory_bytes = {{ octavia_oslomsg_rabbit_quorum_max_memory_bytes }}
 
 [oslo_messaging_notifications]
 driver = {{ (octavia_ceilometer_enabled | bool) | ternary('messagingv2', 'noop') }}
-transport_url = {{ octavia_oslomsg_notify_transport }}://{% for host in octavia_oslomsg_notify_servers.split(',') %}{{ octavia_oslomsg_notify_userid }}:{{ octavia_oslomsg_notify_password }}@{{ host }}:{{ octavia_oslomsg_notify_port }}{% if not loop.last %},{% else %}/{{ octavia_oslomsg_notify_vhost }}{% if octavia_oslomsg_notify_use_ssl | bool %}?ssl=1&ssl_version={{ octavia_oslomsg_notify_ssl_version }}&ssl_ca_file={{ octavia_oslomsg_notify_ssl_ca_file }}{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
+transport_url = {{ octavia_oslomsg_notify_transport }}://{% for host in octavia_oslomsg_notify_servers.split(',') %}{{ octavia_oslomsg_notify_userid }}:{{ octavia_oslomsg_notify_password }}@{{ host }}:{{ octavia_oslomsg_notify_port }}{% if not loop.last %},{% else %}/{{ _octavia_oslomsg_notify_vhost_conf }}{% if octavia_oslomsg_notify_use_ssl | bool %}?ssl=1&ssl_version={{ octavia_oslomsg_notify_ssl_version }}&ssl_ca_file={{ octavia_oslomsg_notify_ssl_ca_file }}{% else %}?ssl=0{% endif %}{% endif %}{% endfor %}
 
 [database]
 connection = mysql+pymysql://{{ octavia_galera_user }}:{{ octavia_container_mysql_password }}@{{ octavia_galera_address }}:{{ octavia_galera_port }}/{{ octavia_galera_database }}?charset=utf8{% if octavia_galera_use_ssl | bool %}&ssl_verify_cert=true{% if octavia_galera_ssl_ca_cert | length > 0 %}&ssl_ca={{ octavia_galera_ssl_ca_cert }}{% endif %}{% endif +%}

vars/main.yml

@@ -19,6 +19,18 @@ _octavia_is_first_play_host: >-
       inventory_hostname == (groups[octavia_services['octavia-api']['group']] | intersect(ansible_play_hosts)) | first) | bool
   }}
 
+_octavia_oslomsg_rpc_vhost_conf: >-
+  {{
+    (octavia_oslomsg_rpc_vhost is string) | ternary(
+      octavia_oslomsg_rpc_vhost, octavia_oslomsg_rpc_vhost | selectattr('state', 'eq', 'present') | map(attribute='name') | first)
+  }}
+
+_octavia_oslomsg_notify_vhost_conf: >-
+  {{
+    (octavia_oslomsg_notify_vhost is string) | ternary(
+      octavia_oslomsg_notify_vhost, octavia_oslomsg_notify_vhost | selectattr('state', 'eq', 'present') | map(attribute='name') | first)
+  }}
+
 #
 # Compile a list of the services on a host based on whether
 # the host is in the host group and the service is enabled.