Merge "Move swift memcache conf into separate file"

defaults/main.yml

@@ -257,3 +257,4 @@ swift_container_server_replicator_conf_overrides: {}
 swift_object_server_conf_overrides: {}
 swift_object_expirer_conf_overrides: {}
 swift_object_server_replicator_conf_overrides: {}
+swift_memcache_conf_overrides: {}

tasks/swift_post_install.yml

@@ -31,6 +31,10 @@
       dest: "/etc/swift/dispersion.conf"
       config_overrides: "{{ swift_swift_dispersion_conf_overrides }}"
       config_type: "ini"
+    - src: "swift-memcache.conf.j2"
+      dest: "/etc/swift/memcache.conf"
+      config_overrides: "{{ swift_memcache_conf_overrides }}"
+      config_type: "ini"
   notify:
     - Restart swift account services
     - Restart swift container services

templates/proxy-server.conf.j2

@@ -114,8 +114,6 @@ use = egg:swift#healthcheck
 
 [filter:cache]
 use = egg:swift#memcache
-memcache_servers = {{ memcached_servers }}
-memcache_serialization_support = 2
 
 [filter:ratelimit]
 use = egg:swift#ratelimit

templates/swift-memcache.conf.j2

@@ -0,0 +1,30 @@
+[memcache]
+# You can use this single conf file instead of having memcache_servers set in
+# several other conf files under [filter:cache] for example. You can specify
+# multiple servers separated with commas, as in: 10.1.2.3:11211,10.1.2.4:11211
+# (IPv6 addresses must follow rfc3986 section-3.2.2, i.e. [::1]:11211)
+# memcache_servers = 127.0.0.1:11211
+memcache_servers = {{ memcached_servers }}
+#
+# Sets how memcache values are serialized and deserialized:
+# 0 = older, insecure pickle serialization
+# 1 = json serialization but pickles can still be read (still insecure)
+# 2 = json serialization only (secure and the default)
+# To avoid an instant full cache flush, existing installations should
+# upgrade with 0, then set to 1 and reload, then after some time (24 hours)
+# set to 2 and reload.
+# In the future, the ability to use pickle serialization will be removed.
+# memcache_serialization_support = 2
+memcache_serialization_support = 2
+#
+# Sets the maximum number of connections to each memcached server per worker
+# memcache_max_connections = 2
+#
+# Timeout for connection
+# connect_timeout = 0.3
+# Timeout for pooled connection
+# pool_timeout = 1.0
+# number of servers to retry on failures getting a pooled connection
+# tries = 3
+# Timeout for read and writes
+# io_timeout = 2.0