Merge pull request #96 from acteru/master

advertise new kind of supported cache

man/mta-sts-daemon.yml.5.adoc

@@ -32,7 +32,7 @@ The file is in YAML syntax with the following elements:
 
 *cache*::
 
-* *type*: (_str_: _internal_|_sqlite_|_redis_) cache backend type. Default: internal
+* *type*: (_str_: _internal_|_sqlite_|_redis_|_redis_sentinel_) cache backend type. Default: internal
 * *options*:
  ** Options for _internal_ type:
   *** *cache_size*: (_int_) number of cache entries to store in memory. Default: 10000
@@ -42,6 +42,10 @@ The file is in YAML syntax with the following elements:
   *** *timeout*: (_float_) timeout in seconds for acquiring connection from pool or DB lock. Default: 5
  ** Options for _redis_ type:
   *** All parameters are passed to `aioredis.from_url` [0]. Check there for a parameter reference.
+ ** Options for _redis_sentinel_ type:
+  *** *sentinel_master_name*: (_str_) name of the sentinel master
+  *** *sentinels*: (_list_)(_tuple_) list of sentinels in form of ip/fqdn and port
+  *** All other parameters are passed to `aioredis.sentinel.Sentinel` [1]. For additional details check [2].
 
 *proactive_policy_fetching*::
 
@@ -99,3 +103,7 @@ domains operate under "testing" mode.
 
 0.::
   https://aioredis.readthedocs.io/en/latest/api/high-level/#aioredis.client.Redis.from_url
+1.::
+  https://aioredis.readthedocs.io/en/latest/getting-started/#redis-sentinel-client
+2.::
+  https://redis.readthedocs.io/en/stable/connections.html#sentinel-client