Add memcached_servers to keystone_auth section

The in-process cache for keystone tokens has been deprecated due to
"incosistent results and high memory usage" with the expectation we
switch to memcached_servers if we want to stay performant.

Add memcache_servers [cache] section to the appropriate servers as the
[DEFAULT]\memcache_servers options was deprecated.

TrivialFix
Related-Id: Ied2b88c8cefe5655a88d0c2f334de04e588fa75a

Change-Id: Ic971bdddc0be3338b15924f7cc0f97d4a3ad2440

ansible/roles/cinder/templates/cinder.conf.j2

@@ -56,6 +56,11 @@ project_name = service
 username = {{ cinder_keystone_user }}
 password = {{ cinder_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [oslo_concurrency]
 lock_path = /var/lib/cinder/tmp
 

ansible/roles/glance/templates/glance-api.conf.j2

@@ -29,6 +29,11 @@ project_name = service
 username = {{ glance_keystone_user }}
 password = {{ glance_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [paste_deploy]
 flavor = keystone
 

ansible/roles/glance/templates/glance-registry.conf.j2

@@ -21,6 +21,11 @@ project_name = service
 username = {{ glance_keystone_user }}
 password = {{ glance_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [paste_deploy]
 flavor = keystone
 

ansible/roles/heat/templates/heat.conf.j2

@@ -47,6 +47,17 @@ project_name = service
 username = {{ heat_keystone_user }}
 password = {{ heat_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
+[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 %}
+
+
 [trustee]
 auth_uri = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}
 auth_url = {{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}

ansible/roles/ironic/templates/ironic.conf.j2

@@ -40,6 +40,11 @@ project_name = service
 username = {{ ironic_keystone_user }}
 password = {{ ironic_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [glance]
 glance_host = {{ kolla_internal_fqdn }}
 

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

@@ -8,3 +8,9 @@ secure_proxy_ssl_header = HTTP_X_FORWARDED_PROTO
 
 [database]
 connection = mysql+pymysql://{{ keystone_database_user }}:{{ keystone_database_password }}@{{ keystone_database_address }}/{{ keystone_database_name }}
+
+[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 %}
+

ansible/roles/magnum/templates/magnum.conf.j2

@@ -35,6 +35,11 @@ project_name = service
 username = {{ magnum_keystone_user }}
 password = {{ magnum_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [oslo_concurrency]
 lock_path = /var/lib/magnum/tmp
 

ansible/roles/manila/templates/manila.conf.j2

@@ -99,3 +99,8 @@ user_domain_id = default
 project_name = service
 username = {{ manila_keystone_user }}
 password = {{ manila_keystone_password }}
+
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+

ansible/roles/mistral/templates/mistral.conf.j2

@@ -25,6 +25,11 @@ project_name = service
 username = {{ mistral_keystone_user }}
 password = {{ mistral_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [mistral]
 url = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ mistral_api_port }}
 

ansible/roles/murano/templates/murano.conf.j2

@@ -21,6 +21,11 @@ project_name = service
 username = {{ murano_keystone_user }}
 password = {{ murano_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [murano]
 url = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ murano_api_port }}
 

ansible/roles/neutron/templates/neutron.conf.j2

@@ -69,5 +69,10 @@ project_name = service
 username = {{ neutron_keystone_user }}
 password = {{ neutron_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_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]
 driver = noop

ansible/roles/nova/templates/nova.conf.j2

@@ -21,7 +21,6 @@ metadata_listen_port = {{ nova_metadata_port }}
 ec2_listen = {{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}
 ec2_listen_port = {{ nova_api_ec2_port }}
 
-
 use_neutron = True
 firewall_driver = nova.virt.firewall.NoopFirewallDriver
 
@@ -50,9 +49,6 @@ compute_driver = fake.FakeDriver
 compute_driver = libvirt.LibvirtDriver
 {% endif %}
 
-memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
-
-
 # Though my_ip is not used directly, lots of other variables use $my_ip
 my_ip = {{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}
 
@@ -130,6 +126,12 @@ connection = mysql+pymysql://{{ nova_database_user }}:{{ nova_database_password
 [api_database]
 connection = mysql+pymysql://{{ nova_api_database_user }}:{{ nova_api_database_password }}@{{ nova_api_database_address }}/{{ nova_api_database_name }}
 
+[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 %}
+
+
 [keystone_authtoken]
 auth_uri = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}
 auth_url = {{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}
@@ -140,6 +142,11 @@ project_name = service
 username = {{ nova_keystone_user }}
 password = {{ nova_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [libvirt]
 connection_uri = "qemu+tcp://{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}/system"
 {% if enable_ceph | bool %}

ansible/roles/swift/templates/proxy-server.conf.j2

@@ -39,6 +39,11 @@ project_name = service
 username = {{ swift_keystone_user }}
 password = {{ swift_keystone_password }}
 
+memcache_security_strategy = ENCRYPT
+memcache_secret_key = {{ memcache_secret_key }}
+memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ memcached_port }}{% if not loop.last %},{% endif %}{% endfor %}
+
+
 [filter:keystoneauth]
 use = egg:swift#keystoneauth
 operator_roles = admin,user

ansible/site.yml

@@ -56,7 +56,9 @@
         tags: rabbitmq,
         when: enable_rabbitmq | bool }
 
-- hosts: keystone
+- hosts:
+    - keystone
+    - memcached
   roles:
     - { role: keystone,
         tags: keystone,
@@ -68,6 +70,7 @@
     - swift-object-server
     - swift-proxy-server
     - rabbitmq
+    - memcached
   roles:
     - { role: swift,
         tags: swift,
@@ -78,6 +81,7 @@
     - glance-api
     - glance-registry
     - rabbitmq
+    - memcached
   roles:
     - { role: glance,
         tags: glance,
@@ -93,6 +97,7 @@
     - nova-novncproxy
     - nova-scheduler
     - rabbitmq
+    - memcached
   roles:
     - { role: nova,
         tags: nova,
@@ -106,6 +111,7 @@
     - neutron-metadata-agent
     - neutron-server
     - rabbitmq
+    - memcached
   roles:
     - { role: neutron,
         tags: neutron,
@@ -118,6 +124,7 @@
     - cinder-scheduler
     - cinder-volume
     - rabbitmq
+    - memcached
   roles:
     - { role: cinder,
         tags: cinder,
@@ -128,12 +135,15 @@
     - heat-api-cfn
     - heat-engine
     - rabbitmq
+    - memcached
   roles:
     - { role: heat,
         tags: heat,
         when: enable_heat | bool }
 
-- hosts: horizon
+- hosts:
+    - horizon
+    - memcached
   roles:
     - { role: horizon,
         tags: horizon,
@@ -143,6 +153,7 @@
     - murano-api
     - murano-engine
     - rabbitmq
+    - memcached
   roles:
     - { role: murano,
         tags: murano,
@@ -154,6 +165,7 @@
     - ironic-inspector
     - ironic-pxe
     - rabbitmq
+    - memcached
   roles:
     - { role: ironic,
         tags: ironic,
@@ -163,6 +175,7 @@
     - magnum-api
     - magnum-conductor
     - rabbitmq
+    - memcached
   roles:
     - { role: magnum,
         tags: magnum,
@@ -173,6 +186,7 @@
     - mistral-engine
     - mistral-executor
     - rabbitmq
+    - memcached
   roles:
     - { role: mistral,
         tags: mistral,
@@ -190,6 +204,7 @@
     - manila-share
     - manila-scheduler
     - rabbitmq
+    - memcached
   roles:
     - { role: manila,
         tags: manila,

etc/kolla/passwords.yml

@@ -67,6 +67,7 @@ horizon_secret_key: "password"
 manila_database_password: "password"
 manila_keystone_password: "password"
 
+memcache_secret_key: "password"
 
 ####################
 # Manila options