Class: GV::Valley::Runner

Inherits:
Bedrock::Service
  • Object
show all
Includes:
Common::DockerHelper, Common::HostHelper
Defined in:
lib/gv/valley/runner.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/gv/valley/runner.rb', line 15

def initialize
  super
  pull_image_if_does_not_exists "flynn/slugrunner"
  register_all
end

Instance Method Details

#logs(name, follow = false, &block) ⇒ Object

retrives logs



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# File 'lib/gv/valley/runner.rb', line 96

def logs name, follow = false, &block
  debug "Runner#logs name:#{name}, follow:#{follow}"     
  
  pipe "docker logs #{follow ? "-f" : nil} #{container_id(name)}", &block
end

#remove(name, type = nil, &block) ⇒ Object

force removes all matching jobs



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# File 'lib/gv/valley/runner.rb', line 48

def remove name, type = nil, &block
  debug "Runner#remove name:#{name}, type:#{type}"     
  
  batch "#{name}.#{type}", "kill", true
  batch "#{name}.#{type}", "rm", true   
  unregister_all(/#{name}\.#{type}\./)
end

#run(name, cmd, &block) ⇒ Object

runs one-off job



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# File 'lib/gv/valley/runner.rb', line 25

def run name, cmd, &block
  app = App.find!(name)  
                
  cleanup
 
  params =  %(--rm -a stdout -a stderr ) #note that space at the end!
  params << %(-i -a stdin) if cmd =~ Sticks::Pipe::INTERACTIVE_COMMANDS
  cmd    =  %(docker run --name=#{app[:name]}.run.#{genuuid()} #{params} #{getenv(app)} flynn/slugrunner #{cmd})

  debug "Runner#run name:#{name}, cmd:#{cmd}"     
    
  result = pipe cmd, &block
  
  sleep 2
  
  cleanup
  result
end

#start(name, type, index, &block) ⇒ Object

starts process



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# File 'lib/gv/valley/runner.rb', line 60

def start name, type, index, &block
  raise "AppNotFound" unless app = App.find(name) 
  
  info "Starting #{name}.#{type}.#{index}"
  
  cleanup
    
  params = %(-d -p #{self.external_ip}::#{App::PORT})
  cmd = %(docker run --name=#{name}.#{type}.#{index} #{params} #{getenv(app)} flynn/slugrunner start #{type})
  
  debug "Runner#start name:#{name}, type:#{type} index:#{index}"     
          
  container_id = pipe(cmd)
  
  if container_id =~ /^[a-zA-Z0-9]{64}$/
    
    register "#{name}.#{type}.#{index}"
    info(container_id)
    
  elsif container_id.include? "Error: Conflict"
    error "Container name conflict: #{name}.#{type}.#{index}, docker service reloading..." 
    
    restart_docker!

    remove name, type
    start name, type, index, &block
  else
    raise container_id
  end
  
end