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fog--fog/lib/fog/aws/elasticache.rb

134 lines
4.3 KiB
Ruby

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
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
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 :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 :describe_events
model_path 'fog/aws/models/elasticache'
model :cluster
collection :clusters
model :security_group
collection :security_groups
model :parameter_group
collection :parameter_groups
class Mock
def initalize(options={})
Fog::Mock.not_implemented
end
end
class Real
include Fog::AWS::CredentialFetcher::ConnectionMethods
def initialize(options={})
@use_iam_profile = options[:use_iam_profile]
setup_credentials(options)
options[:region] ||= 'us-east-1'
@host = options[:host] || "elasticache.#{options[:region]}.amazonaws.com"
@path = options[:path] || '/'
@port = options[:port] || 443
@scheme = options[:scheme] || 'https'
@connection = Fog::Connection.new(
"#{@scheme}://#{@host}:#{@port}#{@path}", options[:persistent]
)
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]
@hmac = Fog::HMAC.new('sha256', @aws_secret_access_key)
end
def request(params)
refresh_credentials_if_expired
idempotent = params.delete(:idempotent)
parser = params.delete(:parser)
body = Fog::AWS.signed_params(
params,
{
:aws_access_key_id => @aws_access_key_id,
:aws_session_token => @aws_session_token,
:hmac => @hmac,
:host => @host,
:path => @path,
:port => @port,
:version => '2011-07-15'
}
)
begin
response = @connection.request({
:body => body,
:expects => 200,
:headers => { 'Content-Type' => 'application/x-www-form-urlencoded' },
:idempotent => idempotent,
:host => @host,
:method => 'POST',
:parser => parser
})
rescue Excon::Errors::HTTPStatusError => error
if match = error.message.match(/<Code>(.*)<\/Code>/m)
case match[1]
when 'CacheSecurityGroupNotFound', 'CacheParameterGroupNotFound',
'CacheClusterNotFound'
raise Fog::AWS::Elasticache::NotFound
when 'CacheSecurityGroupAlreadyExists'
raise Fog::AWS::Elasticache::IdentifierTaken
when 'InvalidParameterValue'
raise Fog::AWS::Elasticache::InvalidInstance
else
raise
end
else
raise
end
end
response
end
end
end
end
end