adding parameter group option

lib/ansible/modules/cloud/amazon/elasticache.py

@@ -56,7 +56,12 @@ options:
     description:
       - The port number on which each of the cache nodes will accept connections
     required: false
-    default: none
+    default: 11211
+  parameter_group:
+    description:
+      - Specify non-default parameter group names to be associated with cache cluster
+    required: false
+    default: None
   cache_subnet_group:
     description:
       - The subnet group name to associate with. Only use if inside a vpc. Required if inside a vpc
@@ -148,7 +153,7 @@ class ElastiCacheManager(object):
     EXIST_STATUSES = ['available', 'creating', 'rebooting', 'modifying']
 
     def __init__(self, module, name, engine, cache_engine_version, node_type,
-                 num_nodes, cache_port, cache_subnet_group,
+                 num_nodes, cache_port, parameter_group, cache_subnet_group,
                  cache_security_groups, security_group_ids, zone, wait,
                  hard_modify, region, **aws_connect_kwargs):
         self.module = module
@@ -158,6 +163,7 @@ class ElastiCacheManager(object):
         self.node_type = node_type
         self.num_nodes = num_nodes
         self.cache_port = cache_port
+        self.parameter_group = parameter_group
         self.cache_subnet_group = cache_subnet_group
         self.cache_security_groups = cache_security_groups
         self.security_group_ids = security_group_ids
@@ -216,6 +222,7 @@ class ElastiCacheManager(object):
                                                       engine_version=self.cache_engine_version,
                                                       cache_security_group_names=self.cache_security_groups,
                                                       security_group_ids=self.security_group_ids,
+                                                      cache_parameter_group_name=self.parameter_group,
                                                       cache_subnet_group_name=self.cache_subnet_group,
                                                       preferred_availability_zone=self.zone,
                                                       port=self.cache_port)
@@ -291,6 +298,7 @@ class ElastiCacheManager(object):
                                                   num_cache_nodes=self.num_nodes,
                                                   cache_node_ids_to_remove=nodes_to_remove,
                                                   cache_security_group_names=self.cache_security_groups,
+                                                  cache_parameter_group_name=self.parameter_group,
                                                   security_group_ids=self.security_group_ids,
                                                   apply_immediately=True,
                                                   engine_version=self.cache_engine_version)
@@ -480,7 +488,8 @@ def main():
             cache_engine_version={'required': False},
             node_type={'required': False, 'default': 'cache.m1.small'},
             num_nodes={'required': False, 'default': None, 'type': 'int'},
-            cache_port={'required': False, 'type': 'int'},
+            cache_port={'required': False, 'default': 11211, 'type': 'int'},
+            parameter_group={'required': False, 'default': None},
             cache_subnet_group={'required': False, 'default': None},
             cache_security_groups={'required': False, 'default': [default],
                                    'type': 'list'},
@@ -514,6 +523,7 @@ def main():
     zone = module.params['zone']
     wait = module.params['wait']
     hard_modify = module.params['hard_modify']
+    parameter_group = module.params['parameter_group']
 
     if cache_subnet_group and cache_security_groups == [default]:
         cache_security_groups = []
@@ -534,7 +544,7 @@ def main():
                                              num_nodes, cache_port,
                                              cache_subnet_group,
                                              cache_security_groups,
-                                             security_group_ids, zone, wait,
+                                             security_group_ids, parameter_group, zone, wait,
                                              hard_modify, region, **aws_connect_kwargs)
 
     if state == 'present':