Class to maintain persistent application state
Public: Fetch application state from gear.
@return [String] application state or State::UNKNOWN on failure
# File lib/openshift-origin-node/utils/application_state.rb, line 75 def value begin File.open(@state_file) { |input| input.read.chomp } rescue => e msg = "Failed to get state: #{@uuid} [#{@state_file}]: " case e when SystemCallError # This catches filesystem level errors # We split the message because it contains the filename msg << e.message.split(' - ').first else msg << e.message end NodeLogger.logger.info( msg ) State::UNKNOWN end end
Public: Sets the application state.
@param [String] new_state - From Openshift::State. @return [Object] self for chaining calls
# File lib/openshift-origin-node/utils/application_state.rb, line 53 def value=(new_state) new_state_val = nil begin new_state_val = OpenShift::State.const_get new_state.upcase.intern rescue raise ArgumentError, "Invalid state '#{new_state}' specified" end File.open(@state_file, File::WRONLY|File::TRUNC|File::CREAT, 0640) { |file| file.write "#{new_state_val}\n" } PathUtils.oo_chown(@uuid, @uuid, @state_file) mcs_label = Utils::SELinux.get_mcs_label(@uuid) Utils::SELinux.set_mcs_label(mcs_label, @state_file) self end
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