cache: Support new redis options

The oslo.cache 3.7.0 release introduced some options for redis backend
and redis sentinel backend. This introduces support for these
parameters.

Depneds-on: https://review.opendev.org/910629
Change-Id: I88b6b3c41b6f8691720b6bf9ccd5999d7a24f68c

manifests/cache.pp

@@ -120,6 +120,30 @@
 #   (Optional) The password for the memcached with SASL enabled
 #   Defaults to $facts['os_service_default']
 #
+# [*redis_server*]
+#   (Optional) Redis server in the format of "host:port".
+#   Defaults to $facts['os_service_default']
+#
+# [*redis_username*]
+#   (Optional) The user name for redis
+#   Defaults to $facts['os_service_default']
+#
+# [*redis_password*]
+#   (Optional) The password for redis
+#   Defaults to $facts['os_service_default']
+#
+# [*redis_sentinels*]
+#   (Optional) Redis sentinel servers in the format of host:port
+#   Defaults to $facts['os_service_default']
+#
+# [*redis_socket_timeout*]
+#   (Optional) Timeout in seconds for every call to a server
+#   Defaults to $facts['os_service_default']
+#
+# [*redis_sentinel_service_name*]
+#   (Optional) Service name of the redis sentinel cluster.
+#   Defaults to $facts['os_service_default']
+#
 # [*tls_enabled*]
 #   (Optional) Global toggle for TLS usage when comunicating with
 #   the caching servers.
@@ -210,6 +234,12 @@ class zaqar::cache (
   $memcache_sasl_enabled                = $facts['os_service_default'],
   $memcache_username                    = $facts['os_service_default'],
   $memcache_password                    = $facts['os_service_default'],
+  $redis_server                         = $facts['os_service_default'],
+  $redis_username                       = $facts['os_service_default'],
+  $redis_password                       = $facts['os_service_default'],
+  $redis_sentinels                      = $facts['os_service_default'],
+  $redis_socket_timeout                 = $facts['os_service_default'],
+  $redis_sentinel_service_name          = $facts['os_service_default'],
   $tls_enabled                          = $facts['os_service_default'],
   $tls_cafile                           = $facts['os_service_default'],
   $tls_certfile                         = $facts['os_service_default'],
@@ -248,6 +278,12 @@ class zaqar::cache (
     memcache_sasl_enabled                => $memcache_sasl_enabled,
     memcache_username                    => $memcache_username,
     memcache_password                    => $memcache_password,
+    redis_server                         => $redis_server,
+    redis_username                       => $redis_username,
+    redis_password                       => $redis_password,
+    redis_sentinels                      => $redis_sentinels,
+    redis_socket_timeout                 => $redis_socket_timeout,
+    redis_sentinel_service_name          => $redis_sentinel_service_name,
     tls_enabled                          => $tls_enabled,
     tls_cafile                           => $tls_cafile,
     tls_certfile                         => $tls_certfile,

releasenotes/notes/cache-redis-opts-9e610582f75983cd.yaml

@@ -0,0 +1,12 @@
+---
+features:
+  - |
+    The ``zaqar::cache`` class now supports the following new options for
+    Redis backend and Redis Sentinel backend.
+
+    - ``redis_server``
+    - ``redis_username``
+    - ``redis_password``
+    - ``redis_sentinels``
+    - ``redis_socket_timeout``
+    - ``redis_sentinel_service_name``

spec/classes/zaqar_cache_spec.rb

@@ -32,6 +32,12 @@ describe 'zaqar::cache' do
           :memcache_sasl_enabled                => '<SERVICE DEFAULT>',
           :memcache_username                    => '<SERVICE DEFAULT>',
           :memcache_password                    => '<SERVICE DEFAULT>',
+          :redis_server                         => '<SERVICE DEFAULT>',
+          :redis_username                       => '<SERVICE DEFAULT>',
+          :redis_password                       => '<SERVICE DEFAULT>',
+          :redis_sentinels                      => '<SERVICE DEFAULT>',
+          :redis_socket_timeout                 => '<SERVICE DEFAULT>',
+          :redis_sentinel_service_name          => '<SERVICE DEFAULT>',
           :tls_enabled                          => '<SERVICE DEFAULT>',
           :tls_cafile                           => '<SERVICE DEFAULT>',
           :tls_certfile                         => '<SERVICE DEFAULT>',
@@ -71,6 +77,12 @@ describe 'zaqar::cache' do
           :memcache_sasl_enabled                => false,
           :memcache_username                    => 'sasluser',
           :memcache_password                    => 'saslpass',
+          :redis_server                         => 'localhost:6379',
+          :redis_username                       => 'redisuser',
+          :redis_password                       => 'redispass',
+          :redis_sentinels                      => ['host1:26379', 'host2:26379'],
+          :redis_socket_timeout                 => 1.0,
+          :redis_sentinel_service_name          => 'mymaster',
           :tls_enabled                          => false,
           :enable_retry_client                  => false,
           :retry_attempts                       => 2,
@@ -105,6 +117,12 @@ describe 'zaqar::cache' do
           :memcache_sasl_enabled                => false,
           :memcache_username                    => 'sasluser',
           :memcache_password                    => 'saslpass',
+          :redis_server                         => 'localhost:6379',
+          :redis_username                       => 'redisuser',
+          :redis_password                       => 'redispass',
+          :redis_sentinels                      => ['host1:26379', 'host2:26379'],
+          :redis_socket_timeout                 => 1.0,
+          :redis_sentinel_service_name          => 'mymaster',
           :tls_enabled                          => false,
           :tls_cafile                           => '<SERVICE DEFAULT>',
           :tls_certfile                         => '<SERVICE DEFAULT>',