Creates add_elasticache_node method in ec2.py

plugins/inventory/ec2.py

@@ -781,6 +781,105 @@ class Ec2Inventory(object):
 
         self.inventory["_meta"]["hostvars"][dest] = host_info
 
+        # Add the nodes
+        for node in cluster['CacheNodes']:
+            self.add_elasticache_node(node, cluster, region)
+
+    def add_elasticache_node(self, node, cluster, region):
+        ''' Adds an ElastiCache node to the inventory and index, as long as
+        it is addressable '''
+
+        # Only want available nodes unless all_elasticache_nodes is True
+        if not self.all_elasticache_nodes and node['CacheNodeStatus'] != 'available':
+            return
+
+        # Select the best destination address
+        dest = node['Endpoint']['Address']
+
+        if not dest:
+            # Skip nodes we cannot address (e.g. private VPC subnet)
+            return
+
+        node_id = self.to_safe(cluster['CacheClusterId'] + '_' + node['CacheNodeId'])
+
+        # Add to index
+        self.index[dest] = [region, node_id]
+
+        # Inventory: Group by node ID (always a group of 1)
+        if self.group_by_instance_id:
+            self.inventory[node_id] = [dest]
+            if self.nested_groups:
+                self.push_group(self.inventory, 'instances', node_id)
+
+        # Inventory: Group by region
+        if self.group_by_region:
+            self.push(self.inventory, region, dest)
+            if self.nested_groups:
+                self.push_group(self.inventory, 'regions', region)
+
+        # Inventory: Group by availability zone
+        if self.group_by_availability_zone:
+            self.push(self.inventory, cluster['PreferredAvailabilityZone'], dest)
+            if self.nested_groups:
+                if self.group_by_region:
+                    self.push_group(self.inventory, region, cluster['PreferredAvailabilityZone'])
+                self.push_group(self.inventory, 'zones', cluster['PreferredAvailabilityZone'])
+
+        # Inventory: Group by node type
+        if self.group_by_instance_type:
+            type_name = self.to_safe('type_' + cluster['CacheNodeType'])
+            self.push(self.inventory, type_name, dest)
+            if self.nested_groups:
+                self.push_group(self.inventory, 'types', type_name)
+
+        # Inventory: Group by VPC
+        # if self.group_by_vpc_id and instance.subnet_group and instance.subnet_group.vpc_id:
+        #     vpc_id_name = self.to_safe('vpc_id_' + instance.subnet_group.vpc_id)
+        #     self.push(self.inventory, vpc_id_name, dest)
+        #     if self.nested_groups:
+        #         self.push_group(self.inventory, 'vpcs', vpc_id_name)
+
+        # Inventory: Group by security group
+        if self.group_by_security_group:
+            if 'SecurityGroups' in cluster:
+                for security_group in cluster['SecurityGroups']:
+                    key = self.to_safe("security_group_" + security_group['SecurityGroupId'])
+                    self.push(self.inventory, key, dest)
+                    if self.nested_groups:
+                        self.push_group(self.inventory, 'security_groups', key)
+
+        # Inventory: Group by engine
+        if self.group_by_elasticache_engine:
+            self.push(self.inventory, self.to_safe("elasticache_" + cluster['Engine']), dest)
+            if self.nested_groups:
+                self.push_group(self.inventory, 'elasticache_engines', self.to_safe("elasticache_" + cluster['Engine']))
+
+        # Inventory: Group by parameter group
+        # if self.group_by_elasticache_parameter_group:
+        #     self.push(self.inventory, self.to_safe("elasticache_parameter_group_" + cluster['CacheParameterGroup']['CacheParameterGroupName']), dest)
+        #     if self.nested_groups:
+        #         self.push_group(self.inventory, 'elasticache_parameter_groups', self.to_safe("elasticache_parameter_group_" + cluster['CacheParameterGroup']['CacheParameterGroupName']))
+
+        # Inventory: Group by replication group
+        # if self.group_by_elasticache_replication_group and 'ReplicationGroupId' in cluster and cluster['ReplicationGroupId']:
+        #     self.push(self.inventory, self.to_safe("elasticache_replication_group_" + cluster['ReplicationGroupId']), dest)
+        #     if self.nested_groups:
+        #         self.push_group(self.inventory, 'elasticache_replication_groups', self.to_safe("elasticache_" + cluster['ReplicationGroupId']))
+
+        # Inventory: Group by ElastiCache Cluster
+        if self.group_by_elasticache_cluster:
+            self.push(self.inventory, self.to_safe("elasticache_cluster_" + cluster['CacheClusterId']), dest)
+
+        # Global Tag: all ElastiCache nodes
+        self.push(self.inventory, 'elasticache_nodes', dest)
+
+        host_info = self.get_host_info_dict_from_describe_dict(node)
+
+        if dest in self.inventory["_meta"]["hostvars"]:
+            self.inventory["_meta"]["hostvars"][dest].update(host_info)
+        else:
+            self.inventory["_meta"]["hostvars"][dest] = host_info
+
     def get_route53_records(self):
         ''' Get and store the map of resource records to domain names that
         point to them. '''