Merge remote-tracking branch 'upstream/master'

app/config/cache_pool/cache.memcached.yml

@@ -8,3 +8,10 @@ services:
               # Example from vendor/symfony/symfony/src/Symfony/Component/Cache/Traits/MemcachedTrait.php:
               # memcached://user:pass@localhost?weight=33'
               provider: 'memcached://%cache_dsn%'
+              # Cache namespace prefix overriding the one used by Symfony globally
+              # This makes sure cache is reliably shared across whole cluster and all Symfony env's
+              # Can be used for blue/green deployment strategies when changes affect content cache.
+              # For multi db setup adapt this to be unique per pool (one pool per database)
+              # If you prefer default behaviour set this to null or comment out, and consider for instance:
+              # https://symfony.com/doc/current/reference/configuration/framework.html#prefix-seed
+              namespace: '%cache_namespace%'

app/config/cache_pool/cache.redis.yml

@@ -10,3 +10,10 @@ services:
               # redis://secret@example.com:1234/13
               # redis://secret@/var/run/redis.sock/13?persistent_id=4&class=Redis&timeout=3&retry_interval=3
               provider: 'redis://%cache_dsn%'
+              # Cache namespace prefix overriding the one used by Symfony by default
+              # This makes sure cache is reliably shared across whole cluster and all Symfony env's
+              # Can be used for blue/green deployment strategies when changes affect content cache.
+              # For multi db setup adapt this to be unique per pool (one pool per database)
+              # If you prefer default behaviour set this to null or comment out, and consider for instance:
+              # https://symfony.com/doc/current/reference/configuration/framework.html#prefix-seed
+              namespace: '%cache_namespace%'

app/config/default_parameters.yml

@@ -35,6 +35,10 @@ parameters:
 
     # Cache DSN, see app/config/services/cache.yml for examples:
     cache_dsn: '%env(CACHE_DSN)%'
+
+    # Cache namespace prefix for use with Redis/Memcached, 'ez' by default. 
+    # For further info incl alternatives for "blue/green deployment" and multi repo installs, see: app/config/cache_pool/*.yml
+    cache_namespace: '%env(CACHE_NAMESPACE)%'
 
     # Settings for HttpCache
     purge_server: '%env(HTTPCACHE_PURGE_SERVER)%'
@@ -68,6 +72,8 @@ parameters:
 
     env(CACHE_DSN): localhost
 
+    env(CACHE_NAMESPACE): ez
+
     env(HTTPCACHE_PURGE_SERVER): "http://localhost:80"
 
     env(HTTPCACHE_DEFAULT_TTL): 86400