def possess(daemonizeTo=None):
fileutils.ensureDirExists(configure.logdir, "log file")
fileutils.ensureDirExists(configure.rundir, "run file")
if not daemonizeTo:
daemonizeTo = '/'
pid = process.getPid('transcoder-admin')
if pid:
if process.checkPidRunning(pid):
raise iherrors.SystemError(
'A flumotion-transcoder-admin is already running '
+ 'as pid %d' % pid)
else:
log.warning("flumotion-transcoder-admin should have been "
"running with pid %s. Restarting", str(pid))
process.deletePidFile('transcoder-admin')
logPath = os.path.join(configure.logdir, 'transcoder-admin.log')
# here we daemonize; so we also change our pid
if not daemonizeTo:
daemonizeTo = '/'
process.daemonize(stdout=logPath, stderr=logPath,
directory=daemonizeTo)
log.info('Started daemon')
# from now on I should keep running, whatever happens
log.debug('writing pid file')
process.writePidFile('transcoder-admin')
def notifyDebug(msg, info=None, debug=None, failure=None,
exception=None, documents=None):
"""
This function can be used from anywere to notify
debug information (like traceback) when no
Notifier reference is available.
Do not raise any exception.
"""
global _shutingDown
if _shutingDown: return
try:
sender = _debugSender
recipients = _debugRecipients
log.info("Try sending a debug notification to %s from %s",
recipients, sender,
category=adminconsts.NOTIFIER_LOG_CATEGORY)
body = _buildBody(sender, recipients, msg, msg, info, debug,
failure, exception, documents)
d = _postNotification(_smtpServer, _smtpPort, _smtpRequireTLS,
sender, recipients, body)
args = ("Debug",)
d.addCallbacks(_cbNotificationDone, _ebNotificationFailed,
callbackArgs=args, errbackArgs=args)
except Exception, e:
log.warning("Debug Notification Failed: %s",
log.getExceptionMessage(e),
category=adminconsts.NOTIFIER_LOG_CATEGORY)
def prepare(self, workerCtx):
adminCtx = workerCtx.getAdminContext()
adminLocal = adminCtx.getLocal()
localPath = self._configPath.localize(adminLocal)
# The .ini file is created here...
saver = inifile.IniFile()
# Set the datetime of file creation
self._config.touch()
try:
fileutils.ensureDirExists(os.path.dirname(localPath),
"transcoding config", self._pathAttr)
saver.saveToFile(self._config, localPath)
except Exception, e:
message = ("Failed to save transcoder config file '%s': %s"
% (localPath, log.getExceptionMessage(e)))
log.warning("%s", message)
raise admerrs.PropertiesError(message)
def createFromComponentDict(cls, workerCtx, props):
niceLevel = props.get("nice-level", None)
name = props.get("admin-id", "")
configPath = virtualpath.VirtualPath(props.get("config", None))
pathAttr = fileutils.PathAttributes.createFromComponentProperties(props)
adminCtx = workerCtx.getAdminContext()
adminLocal = adminCtx.getLocal()
localPath = configPath.localize(adminLocal)
if not os.path.exists(localPath):
message = ("Transcoder config file not found ('%s')" % localPath)
log.warning("%s", message)
raise admerrs.PropertiesError(message)
loader = inifile.IniFile()
config = transconfig.TranscodingConfig()
try:
loader.loadFromFile(config, localPath)
except Exception, e:
message = ("Failed to load transcoder config file '%s': %s"
% (localPath, log.getExceptionMessage(e)))
log.warning("%s", message)
raise admerrs.PropertiesError(message)
def _ebNotificationFailed(failure, kind):
log.warning("%s notification failed: %s", kind,
log.getFailureMessage(failure),
category=adminconsts.NOTIFIER_LOG_CATEGORY)
