diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/BuiltinCore.py')
| -rw-r--r-- | src/lib/Bcfg2/Server/BuiltinCore.py | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/src/lib/Bcfg2/Server/BuiltinCore.py b/src/lib/Bcfg2/Server/BuiltinCore.py index 769addf55..e138c57e4 100644 --- a/src/lib/Bcfg2/Server/BuiltinCore.py +++ b/src/lib/Bcfg2/Server/BuiltinCore.py @@ -1,5 +1,6 @@ """ The core of the builtin Bcfg2 server. """ +import os import sys import time import socket @@ -85,20 +86,30 @@ class BuiltinCore(NetworkCore): def _daemonize(self): """ Open :attr:`context` to drop privileges, write the PID file, and daemonize the server core. """ + # Attempt to ensure lockfile is able to be created and not stale try: - self.context.open() - self.logger.info("%s daemonized" % self.name) - return True + self.context.pidfile.acquire() except LockFailed: err = sys.exc_info()[1] self.logger.error("Failed to daemonize %s: %s" % (self.name, err)) return False except LockTimeout: - err = sys.exc_info()[1] - self.logger.error("Failed to daemonize %s: Failed to acquire lock " - "on %s" % (self.name, - Bcfg2.Options.setup.daemon)) - return False + try: # attempt to break the lock + os.kill(self.context.pidfile.read_pid(), 0) + except (OSError, TypeError): # No process with locked PID + self.context.pidfile.break_lock() + else: + err = sys.exc_info()[1] + self.logger.error("Failed to daemonize %s: Failed to acquire" + "lock on %s" % (self.name, + Bcfg2.Options.setup.daemon)) + return False + else: + self.context.pidfile.release() + + self.context.open() + self.logger.info("%s daemonized" % self.name) + return True def _run(self): """ Create :attr:`server` to start the server listening. """ |