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module Fog
module AWS
class Elasticache < Fog::Service
extend Fog::AWS::CredentialFetcher::ServiceMethods
class IdentifierTaken < Fog::Errors::Error; end
class InvalidInstance < Fog::Errors::Error; end
class AuthorizationAlreadyExists < Fog::Errors::Error; end
requires :aws_access_key_id, :aws_secret_access_key
recognizes :region, :host, :path, :port, :scheme, :persistent, :use_iam_profile, :aws_session_token, :aws_credentials_expire_at, :instrumentor, :instrumentor_name
request_path 'fog/aws/requests/elasticache'
request :create_cache_cluster
request :delete_cache_cluster
request :describe_cache_clusters
request :modify_cache_cluster
request :reboot_cache_cluster
request :create_cache_parameter_group
request :delete_cache_parameter_group
request :describe_cache_parameter_groups
request :modify_cache_parameter_group
request :reset_cache_parameter_group
request :describe_engine_default_parameters
request :describe_cache_parameters
request :describe_reserved_cache_nodes
request :create_cache_security_group
request :delete_cache_security_group
request :describe_cache_security_groups
request :authorize_cache_security_group_ingress
request :revoke_cache_security_group_ingress
request :create_cache_subnet_group
request :describe_cache_subnet_groups
request :delete_cache_subnet_group
request :describe_events
model_path 'fog/aws/models/elasticache'
model :cluster
collection :clusters
model :security_group
collection :security_groups
model :parameter_group
collection :parameter_groups
model :subnet_group
collection :subnet_groups
class Real
include Fog::AWS::CredentialFetcher::ConnectionMethods
def initialize(options={})
@use_iam_profile = options[:use_iam_profile]
@instrumentor = options[:instrumentor]
@instrumentor_name = options[:instrumentor_name] || 'fog.aws.elasticache'
options[:region] ||= 'us-east-1'
@region = options[:region]
@host = options[:host] || "elasticache.#{options[:region]}.amazonaws.com"
@path = options[:path] || '/'
@port = options[:port] || 443
@scheme = options[:scheme] || 'https'
@connection = Fog::XML::Connection.new(
"#{@scheme}://#{@host}:#{@port}#{@path}", options[:persistent]
)
setup_credentials(options)
end
def reload
@connection.reset
end
private
def setup_credentials(options)
@aws_access_key_id = options[:aws_access_key_id]
@aws_secret_access_key = options[:aws_secret_access_key]
@aws_session_token = options[:aws_session_token]
@aws_credentials_expire_at = options[:aws_credentials_expire_at]
@signer = Fog::AWS::SignatureV4.new( @aws_access_key_id, @aws_secret_access_key, @region, 'elasticache')
end
def request(params)
refresh_credentials_if_expired
idempotent = params.delete(:idempotent)
parser = params.delete(:parser)
body, headers = Fog::AWS.signed_params_v4(
params,
{ 'Content-Type' => 'application/x-www-form-urlencoded' },
{
:signer => @signer,
:aws_session_token => @aws_session_token,
:method => 'POST',
:host => @host,
:path => @path,
:port => @port,
:version => '2013-06-15'
}
)
if @instrumentor
@instrumentor.instrument("#{@instrumentor_name}.request", params) do
_request(body, headers, idempotent, parser)
end
else
_request(body, headers, idempotent, parser)
end
end
def _request(body, headers, idempotent, parser)
@connection.request({
:body => body,
:expects => 200,
:headers => headers,
:idempotent => idempotent,
:method => 'POST',
:parser => parser
})
rescue Excon::Errors::HTTPStatusError => error
match = Fog::AWS::Errors.match_error(error)
raise if match.empty?
raise case match[:code]
when 'CacheSecurityGroupNotFound', 'CacheParameterGroupNotFound', 'CacheClusterNotFound'
Fog::AWS::Elasticache::NotFound.slurp(error, match[:message])
when 'CacheSecurityGroupAlreadyExists'
Fog::AWS::Elasticache::IdentifierTaken.slurp(error, match[:message])
when 'InvalidParameterValue'
Fog::AWS::Elasticache::InvalidInstance.slurp(error, match[:message])
else
Fog::AWS::Elasticache::Error.slurp(error, "#{match[:code]} => #{match[:message]}")
end
end
end
class Mock
include Fog::AWS::CredentialFetcher::ConnectionMethods
def self.data
@data ||= Hash.new do |hash, region|
hash[region] = Hash.new do |region_hash, key|
region_hash[key] = {
:clusters => {}, # cache cluster data, indexed by cluster ID
:security_groups => {}, # security groups
:subnet_groups => {},
:parameter_groups => {"default.memcached1.4" => { "CacheParameterGroupFamily"=>"memcached1.4",
"Description"=>"Default parameter group for memcached1.4",
"CacheParameterGroupName"=>"default.memcached1.4"
},
"default.redis2.6" => {"CacheParameterGroupFamily"=>"redis2.6",
"Description"=>"Default parameter group for redis2.6",
"CacheParameterGroupName"=>"default.redis2.6"
}
}
}
end
end
end
def self.reset
@data = nil
end
def initialize(options={})
@aws_credentials_expire_at = Time::now + 20
setup_credentials(options)
@region = options[:region] || 'us-east-1'
unless ['ap-south-1', 'ap-northeast-1', 'ap-northeast-2', 'ap-northeast-3', 'ap-southeast-1', 'ap-southeast-2',
'eu-west-1', 'eu-west-2', 'eu-west-3', 'eu-central-1',
'us-east-1', 'us-east-2', 'us-west-1', 'us-west-2', 'ca-central-1',
'sa-east-1', 'cn-north-1', 'cn-northwest-1', 'ap-east-1', 'us-gov-west-1'].include?(@region)
raise ArgumentError, "Unknown region: #{@region.inspect}"
end
end
def region_data
self.class.data[@region]
end
def data
self.region_data[@aws_access_key_id]
end
def reset_data
self.region_data.delete(@aws_access_key_id)
end
def setup_credentials(options)
@aws_access_key_id = options[:aws_access_key_id]
end
# returns an Array of (Mock) elasticache nodes, representated as Hashes
def create_cache_nodes(cluster_id, num_nodes = 1, port = '11211')
(1..num_nodes).map do |node_number|
node_id = "%04d" % node_number
{ # each hash represents a cache cluster node
"CacheNodeId" => node_id,
"Port" => port,
"ParameterGroupStatus" => "in-sync",
"CacheNodeStatus" => "available",
"CacheNodeCreateTime" => Time.now.utc.to_s,
"Address" =>
"#{cluster_id}.#{node_id}.use1.cache.amazonaws.com"
}
end
end
end
end
end
end
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