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0e1daf3ddd
Unlike last attempt this replaces Fog::Connection with Fog::XML::Connection which should be directly compatible. Fog::Connection is there for old PRs but should be removed real soon. Providers using JSON should be able to replace "XML" with "Core" within their code to cut down on the dependency. If I get the time I may attempt to clean up some but testing with Mock will mean that is mostly educated guesswork.
125 lines
4.1 KiB
Ruby
125 lines
4.1 KiB
Ruby
require 'fog/aws/core'
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module Fog
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module AWS
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class CloudFormation < Fog::Service
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extend Fog::AWS::CredentialFetcher::ServiceMethods
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requires :aws_access_key_id, :aws_secret_access_key
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recognizes :host, :path, :port, :scheme, :persistent, :region, :use_iam_profile, :aws_session_token, :aws_credentials_expire_at
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request_path 'fog/aws/requests/cloud_formation'
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request :create_stack
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request :update_stack
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request :delete_stack
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request :describe_stack_events
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request :describe_stack_resources
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request :describe_stacks
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request :get_template
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request :validate_template
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request :list_stacks
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request :list_stack_resources
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class Mock
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def initialize(options={})
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Fog::Mock.not_implemented
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end
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end
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class Real
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include Fog::AWS::CredentialFetcher::ConnectionMethods
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# Initialize connection to CloudFormation
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#
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# ==== Notes
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# options parameter must include values for :aws_access_key_id and
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# :aws_secret_access_key in order to create a connection
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#
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# ==== Examples
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# cf = CloudFormation.new(
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# :aws_access_key_id => your_aws_access_key_id,
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# :aws_secret_access_key => your_aws_secret_access_key
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# )
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#
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# ==== Parameters
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# * options<~Hash> - config arguments for connection. Defaults to {}.
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#
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# ==== Returns
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# * CloudFormation object with connection to AWS.
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def initialize(options={})
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require 'fog/core/parser'
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@use_iam_profile = options[:use_iam_profile]
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setup_credentials(options)
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@connection_options = options[:connection_options] || {}
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options[:region] ||= 'us-east-1'
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@host = options[:host] || "cloudformation.#{options[:region]}.amazonaws.com"
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@path = options[:path] || '/'
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@persistent = options[:persistent] || false
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@port = options[:port] || 443
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@scheme = options[:scheme] || 'https'
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@connection = Fog::XML::Connection.new("#{@scheme}://#{@host}:#{@port}#{@path}", @persistent, @connection_options)
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end
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def reload
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@connection.reset
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end
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private
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def setup_credentials(options)
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@aws_access_key_id = options[:aws_access_key_id]
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@aws_secret_access_key = options[:aws_secret_access_key]
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@aws_session_token = options[:aws_session_token]
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@aws_credentials_expire_at = options[:aws_credentials_expire_at]
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@hmac = Fog::HMAC.new('sha256', @aws_secret_access_key)
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end
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def request(params)
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refresh_credentials_if_expired
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idempotent = params.delete(:idempotent)
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parser = params.delete(:parser)
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body = Fog::AWS.signed_params(
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params,
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{
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:aws_access_key_id => @aws_access_key_id,
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:aws_session_token => @aws_session_token,
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:hmac => @hmac,
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:host => @host,
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:path => @path,
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:port => @port,
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:version => '2010-05-15'
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}
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)
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begin
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@connection.request({
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:body => body,
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:expects => 200,
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:idempotent => idempotent,
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:headers => { 'Content-Type' => 'application/x-www-form-urlencoded' },
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:method => 'POST',
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:parser => parser
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})
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rescue Excon::Errors::HTTPStatusError => error
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match = Fog::AWS::Errors.match_error(error)
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raise if match.empty?
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raise case match[:code]
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when 'NotFound', 'ValidationError'
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Fog::AWS::CloudFormation::NotFound.slurp(error, match[:message])
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else
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Fog::AWS::CloudFormation::Error.slurp(error, "#{match[:code]} => #{match[:message]}")
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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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end
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end
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