Module: Jackal::Cfn::Utils::Fog
- Includes:
- Jackal::Cfn::Utils
- Defined in:
- lib/jackal-cfn/utils/fog.rb
Overview
Helper module for loading Fog APIs
Instance Method Summary collapse
-
#api_assume_for(api, role) ⇒ Fog::Service
Assume the role for the API connection.
-
#api_for(type) ⇒ Fog::Service
Provide API for given type.
Methods included from Jackal::Cfn::Utils
#snakecase, #transform_parameters
Instance Method Details
#api_assume_for(api, role) ⇒ Fog::Service
Note:
this is AWS specific
Assume the role for the API connection
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# File 'lib/jackal-cfn/utils/fog.rb', line 47 def api_assume_for(api, role) Thread.current[:cfn_assume_apis] ||= Smash.new key = api.to_yaml_properties.group_by do |item| item.to_s.split('_').first end.values.sort_by(&:size).last.map do |var| [var, api.instance_variable_get(var)] end.flatten.compact.map(&:to_s).push(api.service_name).sort.hash if(Thread.current[:cfn_assume_apis].get(key, :expires).to_i < Time.now.to_i + 5) sts = ::Fog::AWS::STS.new( config.fetch( :api, :sts, config.get( :api, :default ) ) ) result = sts.assume_role("jackal-cfn-#{Carnivore.uuid}", role).body Thread.current[:cfn_assume_apis][key] = Smash.new( :expires => Time.parse(result['Expiration']).to_i, :api => api.class.new( :aws_access_key_id => result['AccessKeyId'], :aws_secret_access_key => result['SecretAccessKey'], :aws_session_token => result['SessionToken'] ) ) end Thread.current[:cfn_assume_apis].get(key, :api) end |
#api_for(type) ⇒ Fog::Service
Note:
extracts credentials from confg at :api -> [type | :default]
Provide API for given type
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# File 'lib/jackal-cfn/utils/fog.rb', line 16 def api_for(type) klass = ::Fog.constants.detect do |const| snakecase(const).to_s == type.to_s end if(klass) credentials = config.fetch( :api, type, config.get( :api, :default ) ) if(credentials) key = credentials.to_a.flatten.push(klass).sort.hash Thread.current[:cfn_apis] ||= Smash.new unless(Thread.current[:cfn_apis][key]) Thread.current[:cfn_apis][key] = ::Fog.const_get(klass).new(credentials) end Thread.current[:cfn_apis][key] else ArgumentError.new 'No credentials provided in configuration!' end else raise TypeError.new "Unknown API type requested (#{type})" end end |