Class: Foreman::Export::Upstart

Inherits:
Object
  • Object
show all
Defined in:
lib/foreman/export/upstart.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(engine) ⇒ Upstart

Returns a new instance of Upstart.



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# File 'lib/foreman/export/upstart.rb', line 8

def initialize(engine)
  @engine = engine
end

Instance Attribute Details

#engine ⇒ Object (readonly)

Returns the value of attribute engine.



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# File 'lib/foreman/export/upstart.rb', line 6

def engine
  @engine
end

Instance Method Details

#export(app) ⇒ Object 



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# File 'lib/foreman/export/upstart.rb', line 12

def export(app)
  FileUtils.mkdir_p "/etc/foreman"
  FileUtils.mkdir_p "/etc/init"

  config = Foreman::Configuration.new(app)

  write_file "/etc/init/#{app}.conf", <<-UPSTART_MASTER
pre-start script

bash << "EOF"
mkdir -p /var/log/#{app}

if [ -f /etc/foreman/#{app}.conf ]; then
  source /etc/foreman/#{app}.conf
fi

for process in $( echo "$#{app}_processes" ); do
  process_count_config="#{app}_$process"
  process_count=${!process_count_config}

  for ((i=1; i<=${process_count:=1}; i+=1)); do
    start #{app}-$process NUM=$i
  done
done
EOF

end script
  UPSTART_MASTER

  engine.processes.values.each do |process|
    write_file "/etc/init/#{app}-#{process.name}.conf", <<-UPSTART_CHILD
instance $NUM
stop on stopping #{app}
respawn

chdir #{engine.directory}
exec #{process.command} >>/var/log/#{app}/#{process.name}.log 2>&1
    UPSTART_CHILD
  end

  engine.processes.each do |name, process|
    config.processes[name] ||= 1
  end
  config.write
end