Module: Puppet::Agent::Locker

Included in:
Puppet::Agent
Defined in:
lib/puppet/agent/locker.rb

Overview

Break out the code related to locking the agent. This module is just included into the agent, but having it here makes it easier to test.

Instance Method Summary collapse

Instance Method Details

#disable ⇒ Object

Stop the daemon from making any catalog runs.



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# File 'lib/puppet/agent/locker.rb', line 12

def disable
  lockfile.lock(:anonymous => true)
end

#enable ⇒ Object

Let the daemon run again, freely in the filesystem.



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# File 'lib/puppet/agent/locker.rb', line 7

def enable
  lockfile.unlock(:anonymous => true)
end

#lock ⇒ Object

Yield if we get a lock, else do nothing. Return true/false depending on whether we get the lock.



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# File 'lib/puppet/agent/locker.rb', line 18

def lock
  if lockfile.lock
    begin
      yield
    ensure
      lockfile.unlock
    end
    return true
  else
    return false
  end
end

#lockfile ⇒ Object 



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# File 'lib/puppet/agent/locker.rb', line 31

def lockfile
  @lockfile ||= Puppet::Util::Pidlock.new(lockfile_path)

  @lockfile
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppet/agent/locker.rb', line 37

def running?
  lockfile.locked?
end