Make it possible to install sentinel independently

README.md

@@ -133,6 +133,15 @@ class { 'redis::sentinel':
 }
 ```
 
+If installation without redis-server is desired, set `contain_redis` parameter to false, i.e
+```puppet
+class { 'redis::sentinel':
+  ...
+  contain_redis => false,
+  ...
+}
+```
+
 ### Soft dependency
 
 When managing the repo, it needs [puppetlabs/apt](https://forge.puppet.com/puppetlabs/apt).

REFERENCE.md

@@ -1594,6 +1594,7 @@ The following parameters are available in the `redis::sentinel` class:
 * [`sentinel_auth_pass`](#-redis--sentinel--sentinel_auth_pass)
 * [`sentinel_auth_user`](#-redis--sentinel--sentinel_auth_user)
 * [`acls`](#-redis--sentinel--acls)
+* [`manage_redis`](#-redis--sentinel--manage_redis)
 * [`service_ensure`](#-redis--sentinel--service_ensure)
 
 ##### <a name="-redis--sentinel--auth_pass"></a>`auth_pass`
@@ -1966,6 +1967,14 @@ in the form of:
 
 Default value: `[]`
 
+##### <a name="-redis--sentinel--manage_redis"></a>`manage_redis`
+
+Data type: `Boolean`
+
+Manage redis base class. If set to false, sentinel is installed without redis server.
+
+Default value: `true`
+
 ##### <a name="-redis--sentinel--service_ensure"></a>`service_ensure`
 
 Data type: `Stdlib::Ensure::Service`

manifests/sentinel.pp

@@ -150,6 +150,10 @@
 #
 #     user USERNAME [additional ACL options]
 #
+# @param manage_redis
+#   Manage redis base class. If set to false, sentinel is installed without redis server.
+#
+#
 # @example Basic inclusion
 #   include redis::sentinel
 #
@@ -205,22 +209,27 @@
   Optional[Variant[String[1], Sensitive[String[1]]]] $sentinel_auth_pass = undef,
   Optional[String[1]] $sentinel_auth_user = undef,
   Array[String[1]] $acls = [],
+  Boolean $manage_redis = true,
 ) inherits redis::params {
   $auth_pass_unsensitive = if $auth_pass =~ Sensitive {
     $auth_pass.unwrap
   } else {
     $auth_pass
   }
 
-  contain 'redis'
+  if $manage_redis {
+    contain 'redis'
+  }
 
   if $package_name != $redis::package_name {
     stdlib::ensure_packages([$package_name],
       {
         ensure => $package_ensure
       },
     )
-    Package[$package_name] -> Class['redis']
+    if $manage_redis {
+      Package[$package_name] -> Class['redis']
+    }
   }
   Package[$package_name] -> File[$config_file_orig]