Module: KL::Agent
- Defined in:
- lib/kldockeragent/agent.rb
Constant Summary collapse
- PIDFile =
"#{KL.home}/kldockeragent.pid"
- @@notifier_engine =
KL::Notifier.new
- @@web_server =
KL::Server.new
- @@global_app_uuid =
KL.getApplicationId
Class Method Summary collapse
- .close ⇒ Object
- .get_pid ⇒ Object
- .getUUID ⇒ Object
- .getVersion ⇒ Object
- .is_linux ⇒ Object
- .is_windows ⇒ Object
- .notifier_engine ⇒ Object
- .pid ⇒ Object
-
.start(opts = {}) ⇒ Object
Start the agent.
-
.status ⇒ Object
Return agent’s PID if it is running, otherwise nil.
-
.stop(opts = {}) ⇒ Object
Stop the agent’s daemon.
- .web_server ⇒ Object
Class Method Details
.close ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 146 def self.close KL.logger.info "[main] Stopping agent..." @@main_enabled = false end |
.get_pid ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 121 def self.get_pid if pid.nil? puts "nil" else puts "#{pid}" end end |
.getUUID ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 151 def self.getUUID @@global_app_uuid end |
.getVersion ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 155 def self.getVersion File.read(File.dirname(__FILE__) + '/../../VERSION').strip end |
.is_linux ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 134 def self.is_linux (RbConfig::CONFIG['host_os'] =~ /linux/) end |
.is_windows ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 130 def self.is_windows (RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/) end |
.notifier_engine ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 138 def self.notifier_engine @@notifier_engine end |
.pid ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 103 def self.pid begin pid = File.read(PIDFile).to_i return pid if Process.kill 0, pid rescue end nil end |
.start(opts = {}) ⇒ Object
Start the agent.
options: :daemon => true if running as a daemon, false if as a console application :port => port of web server will listen to :ssl => set true to enable HTTPS :certfile => certificate file path for HTTPS :keyfile => key file path for HTTPS
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# File 'lib/kldockeragent/agent.rb', line 31 def self.start(opts={}) KL.logger.info "[main] Starting agent: #{KL::Agent.getUUID}" puts "Starting agent..." @@config = opts Process.daemon() if opts[:daemon] and not opts[:mock] begin if not is_windows # trap signal ['INT', 'HUP'].each do |signal| trap(signal) { KL.logger.info "[main] Shutting down services..." web_server.stop notifier_engine.stop loop do break if notifier_engine.status == :stopped sleep 1 end self.close } end end File.open(PIDFile, 'w', 0644) { |f| f.write($$.to_s) } notifier_engine.start web_server.start @@main_enabled = true while @@main_enabled sleep(1) end rescue Exception => e KL.logger.error "Starting the agent [Failed] #{e}\n#{e.backtrace.join("\n")}" raise e end end |
.status ⇒ Object
Return agent’s PID if it is running, otherwise nil.
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# File 'lib/kldockeragent/agent.rb', line 114 def self.status if pid.nil? puts "Agent is not running." else puts "Agent is running with PID #{pid}" end end |
.stop(opts = {}) ⇒ Object
Stop the agent’s daemon.
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# File 'lib/kldockeragent/agent.rb', line 73 def self.stop(opts={}) begin pid = File.read(PIDFile).to_i puts "Stopping agent with PID #{pid}..." Process.kill 'HUP', pid if not opts[:mock] begin sleep (KL::Notifier::SleepTime + 0.5) Process.kill 0, pid KL.logger.info "[main] Agent is still running." puts "Agent is still running." KL.logger.info "[main] Killing agent." puts "Killing agent." Process.kill 9, pid rescue KL.logger.info "[main] Agent has stopped." puts "Agent has stopped." File.delete(PIDFile) if File.exist?(PIDFile) end end rescue puts "Agent is not running." File.delete(PIDFile) if File.exist?(PIDFile) end end |
.web_server ⇒ Object
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# File 'lib/kldockeragent/agent.rb', line 142 def self.web_server @@web_server end |