Class: CloudFormation::Bridge::Resources::ElastiCacheReplicationGroup

Inherits:
Base
  • Object
show all
Includes:
BaseElastiCacheResource
Defined in:
lib/cloud_formation/bridge/resources/elasti_cache_replication_group.rb

Constant Summary collapse

REQUIRED_FIELDS = 
[
  ELASTI_CACHE::CLUSTER_ID,
  ELASTI_CACHE::REPLICATION_GROUP_ID,
  ELASTI_CACHE::DESCRIPTION,
]

Constants included from BaseElastiCacheResource

BaseElastiCacheResource::UnknownCacheEngineError

Instance Method Summary collapse

Methods included from BaseElastiCacheResource

#client, #config_endpoint, #find_cluster, #node_urls, #replication_group_available?, #wait_until_cluster_is_available

Methods inherited from Base

#require_fields, #update, #wait_until

Instance Method Details

#create(request) ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/elasti_cache_replication_group.rb', line 20

def create(request)
  require_fields(request, REQUIRED_FIELDS)

  replication_id = request.resource_properties[ELASTI_CACHE::REPLICATION_GROUP_ID]

  client.create_replication_group(
    replication_group_id: replication_id,
    primary_cluster_id: request.resource_properties[ELASTI_CACHE::CLUSTER_ID],
    replication_group_description: request.resource_properties[ELASTI_CACHE::DESCRIPTION],
  )

  wait_until("replication group #{replication_id} to be available") do
    replication_group_available?(replication_id)
  end

  {
    FIELDS::DATA => {
      ELASTI_CACHE::REPLICATION_GROUP_ID => replication_id
    },
    FIELDS::PHYSICAL_RESOURCE_ID => replication_id,
  }
end

#delete(request) ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/elasti_cache_replication_group.rb', line 43

def delete(request)
  require_fields(request, ELASTI_CACHE::REPLICATION_GROUP_ID)

  begin
    replication_id = request.resource_properties[ELASTI_CACHE::REPLICATION_GROUP_ID]

    wait_until("replication group #{replication_id} to be available") do
      replication_group_available?(replication_id)
    end

    client.delete_replication_group(
      replication_group_id: replication_id,
      retain_primary_cluster: true,
    )
  rescue AWS::ElastiCache::Errors::ReplicationGroupNotFoundFault
    # main cluster does not exist, ignore
    Util.logger.info("Replication group #{replication_id} does not exist, ignoring")
  end
end