Python E.exe_or_fail方法代码示例

# 需要导入模块: from google3.enterprise.legacy.util import E [as 别名]
# 或者: from google3.enterprise.legacy.util.E import exe_or_fail [as 别名]
def SetInitState(cfg, state):
  """Sets system's initialization state. For oneway, it stores it in
  C.ENT_SYSTEM_INIT_STATE. For Clusters, it stores it in chubby file
  /ls/ent<version>/ENT_SYSTEM_INIT_STATE.

  @param cfg - of type configurator.
  @param state - string
  """
  # oneway?
  if 1 == len(core_utils.GetNodes()):
    cfg.setGlobalParam(C.ENT_SYSTEM_INIT_STATE, state)
    return

  tmpfile = E.mktemp('/export/hda3/tmp')
  try:
    f = open(tmpfile, 'w')
    f.write(state)
    f.close()
  except IOError:
    logging.fatal('Cannot write to temp file %s' % tmpfile)
    return
  version = cfg.getGlobalParam('VERSION')
  lockserv_cmd_prefix = core_utils.GetLSClientCmd(version, is_test(version))
  chubby_root_dir = '/ls/%s' % core_utils.GetCellName(version)
  write_cmd =  '%s cp %s %s/%s' % (lockserv_cmd_prefix,
      tmpfile, chubby_root_dir, 'ENT_SYSTEM_INIT_STATE')
  logging.info('setting system init state to: %s', state)
  E.exe_or_fail(write_cmd)
  E.exe('rm -rf %s' % tmpfile)

# 需要导入模块: from google3.enterprise.legacy.util import E [as 别名]
# 或者: from google3.enterprise.legacy.util.E import exe_or_fail [as 别名]
 def deactivate(self):
   """
   deactivate this service and macke the cron script unexecutable
   """
   E.exe_or_fail("/sbin/chkconfig --del %s_%s" % (
     self.service_name, self.version))
   E.exe_or_fail("chmod 644 /etc/cron.%s/cron_%s_%s" % (
     self.service_cron_time, self.service_name, self.version))

# 需要导入模块: from google3.enterprise.legacy.util import E [as 别名]
# 或者: from google3.enterprise.legacy.util.E import exe_or_fail [as 别名]
 def activate(self):
   """
   activates this service and makes it's periodic cron script executable
   """
   E.exe_or_fail("/sbin/chkconfig --add %s_%s" % (
     self.service_name, self.version))
   E.exe_or_fail("chmod 755 /etc/cron.%s/cron_%s_%s" % (
     self.service_cron_time, self.service_name, self.version))

# 需要导入模块: from google3.enterprise.legacy.util import E [as 别名]
# 或者: from google3.enterprise.legacy.util.E import exe_or_fail [as 别名]
  def deactivate(self):
    """ Override this for some extra cleanup"""
    ent_service.ent_service.deactivate(self)

    # Remove cronjobs relating to this install version ONLY...
    tmp_cron_file = "%s/tmp/nobody_cron_crawl_" % self.ent_home
    E.exe_or_fail("""if $(/usr/bin/crontab -lu %s &>/dev/null);
    then crontab -lu %s | grep -v %s > %s; crontab -u %s %s; fi""" % \
        (self.ent_user, self.ent_user, self.entid_tag, tmp_cron_file,
         self.ent_user, tmp_cron_file))

    return 1

# 需要导入模块: from google3.enterprise.legacy.util import E [as 别名]
# 或者: from google3.enterprise.legacy.util.E import exe_or_fail [as 别名]
def RunServeService(config, action, components=''):
  """Runs serve service with given parameters.
  The command template used for serve service has --ignore_init_state
  parameter passed. This will force the execution of serve service regardless
  of the initialization state of the system.

  @param config - entconfig
  @param action - any action supported by serve service
                  like 'start', 'stop', ...
  @param components - If non empty, will be supplied to serve service command.
  """
  cmd = C.SERVE_SERVICE_COMMAND % {
        'bashrc' : config.var('ENTERPRISE_BASHRC'),
        'home' : config.var('ENTERPRISE_HOME'),
        'action' : action }
  if components:
    cmd = '%s %s' % (cmd, C.SERVE_SERVICE_COMPONENTS % components)
  logging.info('Executing %s' % cmd)
  E.exe_or_fail(cmd)

# 需要导入模块: from google3.enterprise.legacy.util import E [as 别名]
# 或者: from google3.enterprise.legacy.util.E import exe_or_fail [as 别名]
  def activate(self):
    """ Override this for some extra links to be done / crontab"""

    ent_service.ent_service.activate(self)

    # remove any existing /root/google* symlinks and create new ones
    for link_name, target_fmt in [('/root/google',  '%s/local/google'),
                                  ('/root/google2', '%s/local/google'),
                                  ('/root/google3', '%s/local/google3')]:
      E.exe_or_fail("rm -rf %s" % link_name)
      E.exe_or_fail("ln -sf %s %s" % (target_fmt % self.ent_home, link_name))
      E.exe_or_fail("chown %s:%s %s" % (self.ent_user, self.ent_group,
                                        link_name))

    # make sure /root is publicly readable so that we can run things under it
    E.exe_or_fail("chmod 755 /root")

    # set up standard crontab on each machine
    E.su_exe_or_fail(self.ent_user,
        ". %s; cd %s/local/google3/enterprise/legacy/util; "
        "%s ./set_standard_crontab.py %s" %  (
            self.ent_bashrc, self.ent_home,
            self.entid_tag, self.ent_home))
    return 1