Remove unused lockfile recipe

setup.py

@@ -59,7 +59,7 @@ setup(name=name,
         'hexagonit.recipe.download',
         'netaddr', # to manipulate on IP addresses
         'setuptools', # namespaces
-        'inotifyx', # to watch filesystem changes (used in lockfile)
+        'inotifyx', # XXX use pyinotify instead
         'lock_file', #another lockfile implementation for multiprocess
         'slapos.core', # uses internally
         'zc.buildout', # plays with buildout
@@ -133,7 +133,6 @@ setup(name=name,
           'lamp.static = slapos.recipe.lamp:Static',
           'libcloud = slapos.recipe.libcloud:Recipe',
           'libcloudrequest = slapos.recipe.libcloudrequest:Recipe',
-          'lockfile = slapos.recipe.lockfile:Recipe',
           'logrotate = slapos.recipe.logrotate:Recipe',
           'logrotate.d = slapos.recipe.logrotate:Part',
           'memcached = slapos.recipe.memcached:Recipe',

slapos/recipe/lockfile.py

-##############################################################################
-#
-# Copyright (c) 2010 Vifib SARL and Contributors. All Rights Reserved.
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsibility of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# guarantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# This program is Free Software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-##############################################################################
-import os
-import sys
-import subprocess
-
-import inotifyx
-
-from slapos.recipe.librecipe import GenericBaseRecipe
-
-class LockFile(object):
-
-  class LockException(Exception):
-    pass
-
-  def __init__(self, filename, wait=True, exit=False):
-    self.filename = filename
-    if wait:
-      self.callback = lambda: self.waitDeletion()
-    elif not exit:
-      self.callback = lambda: self.raiseException()
-    else:
-      self.callback = lambda: sys.exit(1)
-
-  def raiseException(self):
-    raise LockFile.LockException("Not able to lock the file")
-
-  def waitDeletion(self):
-    inotify_fd = inotifyx.init()
-    try:
-      inotifyx.add_watch(inotify_fd, self.filename, inotifyx.IN_DELETE)
-      inotifyx.get_events(inotify_fd)
-    except IOError: # add_watch failed
-      pass
-    finally:
-      os.close(inotify_fd)
-
-    self.__enter__()
-
-  def __enter__(self):
-    try:
-      # Atomic file acquisition
-      self._fd = os.open(self.filename, os.O_CREAT | os.O_EXCL)
-    except OSError:
-      self.callback()
-
-  def __exit__(self, exc_type, exc_value, traceback):
-    os.close(self._fd)
-    os.unlink(self.filename)
-
-def locked_run(args):
-  with LockFile(args['filename'], wait=args['wait'], exit=True):
-    subprocess.check_call([args['binary']])
-
-class Recipe(GenericBaseRecipe):
-
-  def install(self):
-    wrapper = self.createPythonScript(self.options['wrapper'],
-                                      __name__ + '.locked_run',
-                                      dict(
-                                        filename=self.options['lock-file'],
-                                        wait=self.optionIsTrue('wait', False),
-                                        binary=self.options['binary'],
-                                      )
-                                     )
-    return [wrapper]