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https://github.com/fog/fog-aws.git
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99 lines
4.7 KiB
Ruby
99 lines
4.7 KiB
Ruby
module Fog
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module AWS
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class Elasticache
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class Real
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require 'fog/aws/parsers/elasticache/single_cache_cluster'
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# Modifies an existing cache cluster
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# Returns a cache cluster description
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#
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# === Required Parameters
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# * id <~String> - The ID of the existing cluster to be modified
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# === Optional Parameters
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# * options <~Hash> - All optional parameters should be set in this Hash:
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# * :apply_immediately <~TrueFalseClass> - whether to apply changes now
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# * :auto_minor_version_upgrade <~TrueFalseClass>
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# * :num_nodes <~Integer> - The number of nodes in the Cluster
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# * :nodes_to_remove <~Array> - Array of node IDs to delete
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# * :security_group_names <~Array> - Array of Elasticache::SecurityGroup names
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# * :parameter_group_name <~String> - Name of the Cluster's ParameterGroup
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# * :engine_version <~String> - The Cluster's caching software version
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# * :notification_topic_arn <~String> - Amazon SNS Resource Name
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# * :notification_topic_status <~String> - Amazon SNS Topic status
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# * :preferred_maintenance_window <~String>
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# === Returns
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# * response <~Excon::Response>:
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# * body <~Hash>
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def modify_cache_cluster(id, options = {})
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# Construct Cache Security Group parameters in the format:
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# CacheSecurityGroupNames.member.N => "security_group_name"
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group_names = options[:security_group_names] || []
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sec_group_params = group_names.reduce({}) do |group_hash, name|
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index = group_names.index(name) + 1
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group_hash["CacheSecurityGroupNames.member.#{index}"] = name
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group_hash
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end
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# Construct CacheNodeIdsToRemove parameters in the format:
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# CacheNodeIdsToRemove.member.N => "node_id"
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node_ids = options[:nodes_to_remove] || []
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node_id_params = node_ids.reduce({}) do |node_hash, node_id|
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index = node_ids.index(node_id) + 1
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node_hash["CacheNodeIdsToRemove.member.#{index}"] = node_id
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node_hash
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end
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# Merge the Cache Security Group parameters with the normal options
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request(node_id_params.merge(sec_group_params.merge(
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'Action' => 'ModifyCacheCluster',
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'CacheClusterId' => id.strip,
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'ApplyImmediately' => options[:apply_immediately],
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'NumCacheNodes' => options[:num_nodes],
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'AutoMinorVersionUpgrade' => options[:auto_minor_version_upgrade],
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'CacheParameterGroupName' => options[:parameter_group_name],
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'EngineVersion' => options[:engine_version],
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'NotificationTopicArn' => options[:notification_topic_arn],
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'NotificationTopicStatus' => options[:notification_topic_status],
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'PreferredMaintenanceWindow' => options[:preferred_maintenance_window],
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:parser => Fog::Parsers::AWS::Elasticache::SingleCacheCluster.new
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)))
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end
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end
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class Mock
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def modify_cache_cluster(id, options = {})
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response = Excon::Response.new
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cluster = self.data[:clusters][id]
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pending_values = Hash.new
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# For any given option, update the cluster's corresponding value
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{ :auto_minor_version_upgrade => 'AutoMinorVersionUpgrade',
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:preferred_maintenance_window => 'PreferredMaintenanceWindow',
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:engine_version => 'EngineVersion',
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:num_nodes => 'NumCacheNodes',
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}.each do |option, cluster_key|
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if options[option] != nil
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cluster[cluster_key] = options[option].to_s
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pending_values[cluster_key] = options[option]
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end
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end
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cache['CacheParameterGroup'] = {
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'CacheParameterGroupName' => options[:parameter_group_name]
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} if options[:parameter_group_name]
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if options[:num_nodes] || options[:engine_version]
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cluster['CacheNodes'] =
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create_cache_nodes(cluster['CacheClusterId'], options[:num_nodes])
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cluster['NumCacheNodes'] = cluster['CacheNodes'].size
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end
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if options[:nodes_to_remove]
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pending_values['CacheNodeId'] = options[:nodes_to_remove].join(',')
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end
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response.body = {
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'CacheCluster' => cluster.merge({
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'PendingModifiedValues' => pending_values
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}),
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'ResponseMetadata' => { 'RequestId' => Fog::AWS::Mock.request_id }
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}
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response
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end
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end
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end
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end
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end
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