def delete(self, service):
""" Delete a new service object """
from agent.lib.agent_thread.service_delete import ServiceDelete
try:
LOG.info('Got a delete request for service ' + service)
path = ServiceController.servicePath(service)
if (not os.path.exists(path) and not os.path.isdir(path)):
return errorResult(request, response, Errors.SERVICE_NOT_FOUND, "No service(%s) found" % service, controller = self)
# see if active manifest exist for the service
if manifestutil.hasActiveManifest(service):
return errorResult(request, response, Errors.MANIFEST_DELETING_ACTIVE_MANIFEST,
'Active manifest exists for service %s, deactivate the manifest first before deleting service' % (service),
controller = self)
# start the delete thread
appGlobal = config['pylons.app_globals']
deleteThread = ServiceDelete(appGlobal.threadMgr, service, path)
self.injectJobCtx(deleteThread)
deleteThread.start()
deleteThread.threadMgrEvent.wait()
return statusResult(request, response, deleteThread, controller = self)
except Exception as excep:
return errorResult(request, response, error = Errors.UNKNOWN_ERROR,
errorMsg = 'Unknown error when deleting service(%s) %s - %s' %
(service, str(excep), traceback.format_exc(2)),
controller = self)
def doRun(self):
""" Main body of the thread """
self._updateProgress(1)
errorMsg = ""
errorCode = None
failed = False
try:
if manifestutil.hasActiveManifest(self._service):
manifest = manifestutil.getActiveManifest(self._service)
self.__shutdownSuppressError(self._service, manifest)
self.__deactivateSuppressError(self._service, manifest)
self.__deleteService(self._service)
except SystemExit as exc:
failed = True
if (len(exc.args) == 2):
# ok we got {err code, err msg}
errorCode = exc.args[0]
errorMsg = exc.args[1]
except AgentException as exc:
failed = True
errorMsg = 'Cleanup Service - Agent Exception - %s' % exc.getMsg()
errorCode = exc.getCode()
except Exception as exc:
failed = True
errorMsg = 'Cleanup Service - Unknown error - (%s/%s) - %s - %s' \
% (self._service, self._manifest, str(exc), traceback.format_exc(5))
errorCode = Errors.UNKNOWN_ERROR
finally:
if failed:
self._LOG.warning(errorMsg)
self._updateStatus(httpStatus = 500, error = errorCode, errorMsg = errorMsg)
else:
self._updateProgress(100)
def delete(self, service):
""" Delete a new service object """
from agent.lib.agent_thread.service_delete import ServiceDelete
try:
LOG.info('Got a delete request for service ' + service)
path = ServiceController.servicePath(service)
if (not os.path.exists(path) and not os.path.isdir(path)):
return errorResult(request,
response,
Errors.SERVICE_NOT_FOUND,
"No service(%s) found" % service,
controller=self)
# see if active manifest exist for the service
if manifestutil.hasActiveManifest(service):
return errorResult(
request,
response,
Errors.MANIFEST_DELETING_ACTIVE_MANIFEST,
'Active manifest exists for service %s, deactivate the manifest first before deleting service'
% (service),
controller=self)
# start the delete thread
appGlobal = config['pylons.app_globals']
deleteThread = ServiceDelete(appGlobal.threadMgr, service, path)
self.injectJobCtx(deleteThread)
deleteThread.start()
deleteThread.threadMgrEvent.wait()
return statusResult(request,
response,
deleteThread,
controller=self)
except Exception as excep:
return errorResult(
request,
response,
error=Errors.UNKNOWN_ERROR,
errorMsg='Unknown error when deleting service(%s) %s - %s' %
(service, str(excep), traceback.format_exc(2)),
controller=self)
def startServicesOnAgentStartup():
"""
when agent is restarted,
0. check for agent selfupdate
1. start all service with active manifest, this requires service startup script be idempotent
2. load dynamic controllers and routes if any
"""
# check for agent update
from agent.lib.agenthealth import checkAgentVersion
checkAgentVersion(True)
# startup services
from agent.lib.agent_thread.startstop_service import StartStopService
appGlobal = config['pylons.app_globals']
appdelay = int(config['app_restart_init_delay']) if 'app_restart_init_delay' in config else 0
if appdelay > 0:
time.sleep(appdelay)
# check if this is agent restart or system restart
if os.path.exists("/proc/uptime"):
uptime, _ = [float(f) for f in open("/proc/uptime").read().split()]
else:
uptime = 500
systemRestartTimeThreshold = pylons.config['system_restart_time_threshold']
if (int(systemRestartTimeThreshold) <= uptime):
LOG.info('agent recover from agent restart, not goint to restart managed apps')
return
LOG.info('agent recover from system reboot, restart all managed apps')
for service in manifestutil.getServices():
if service != 'agent':
if manifestutil.hasActiveManifest(service):
try:
LOG.info('startup for service(%s)', service)
startupThread = StartStopService(appGlobal.threadMgr, service, StartStopService.ACTION_STARTUP)
startupThread.start()
startupThread.threadMgrEvent.wait()
except Exception as excep:
LOG.error('Unknown error starting service(%s) - %s - %s' % (service, str(excep), traceback.format_exc(2)))
def testHasActiveManifest(self):
createManifest(self, manifest = 'testmanifest', service = 'testservice')
assert False == manifestutil.hasActiveManifest('testservice')
activateManifest(self, manifest = 'testmanifest', service = 'testservice')
assert True == manifestutil.hasActiveManifest('testservice')
def startServicesOnAgentStartup():
"""
when agent is restarted,
0. check for agent selfupdate
1. start all service with active manifest, this requires service startup script be idempotent
2. load dynamic controllers and routes if any
"""
# check for agent update
from agent.lib.agenthealth import checkAgentVersion
checkAgentVersion(True)
# startup services
from agent.lib.agent_thread.startstop_service import StartStopService
appGlobal = config['pylons.app_globals']
appdelay = int(
config['appinitdelay']) if 'appinitdelay' in config else 0
if appdelay > 0:
time.sleep(appdelay)
# check if this is agent restart or system restart
if os.name != 'nt' and os.path.exists("/proc/uptime"):
uptime, _ = [float(f) for f in open("/proc/uptime").read().split()]
else:
uptime = 500
systemRestartTimeThreshold = pylons.config[
'system_restart_time_threshold']
actionType = StartStopService.ACTION_RESTART
if (int(systemRestartTimeThreshold) > uptime):
actionType = StartStopService.ACTION_REBOOT
for service in manifestutil.getServices():
appDataDir = manifestutil.appDataPath(service)
if not os.path.exists(appDataDir):
os.makedirs(appDataDir)
import pwd
uname = pylons.config['app_user_account']
uid = pwd.getpwnam(uname).pw_uid
gid = pwd.getpwnam(uname).pw_gid
utils.rchown(appDataDir, uid, gid)
dataDir = manifestutil.dataPath(service)
if not os.path.exists(dataDir):
os.makedirs(dataDir)
if service != 'agent':
try:
manifestutil.updateServiceMetaFile(
service, {
'servicePath': manifestutil.servicePath(service),
'serviceName': service
})
except Exception as excep:
LOG.error(
'Unknown error updating local metadata service(%s) - %s - %s'
% (service, str(excep), traceback.format_exc(2)))
if manifestutil.hasActiveManifest(service):
try:
LOG.info('startup for service(%s)', service)
startupThread = StartStopService(
appGlobal.threadMgr, service, actionType)
startupThread.start()
startupThread.threadMgrEvent.wait()
except Exception as excep:
LOG.error(
'Unknown error starting service(%s) - %s - %s' %
(service, str(excep), traceback.format_exc(2)))
try:
LOG.info('load controllers and routes for service(%s)',
service)
manifestutil.processControllerInPackage(service)
except Exception as excep:
LOG.error(
'Unknown error loading controllers for service(%s) - %s - %s'
% (service, str(excep), traceback.format_exc(2)))
def testHasActiveManifest(self):
createManifest(self, manifest='testmanifest', service='testservice')
assert False == manifestutil.hasActiveManifest('testservice')
activateManifest(self, manifest='testmanifest', service='testservice')
assert True == manifestutil.hasActiveManifest('testservice')
def startServicesOnAgentStartup():
"""
when agent is restarted,
0. check for agent selfupdate
1. start all service with active manifest, this requires service startup script be idempotent
2. load dynamic controllers and routes if any
"""
# check for agent update
from agent.lib.agenthealth import checkAgentVersion
checkAgentVersion(True)
# startup services
from agent.lib.agent_thread.startstop_service import StartStopService
appGlobal = config["pylons.app_globals"]
appdelay = int(config["appinitdelay"]) if "appinitdelay" in config else 0
if appdelay > 0:
time.sleep(appdelay)
# check if this is agent restart or system restart
if os.name != "nt" and os.path.exists("/proc/uptime"):
uptime, _ = [float(f) for f in open("/proc/uptime").read().split()]
else:
uptime = 500
systemRestartTimeThreshold = pylons.config["system_restart_time_threshold"]
actionType = StartStopService.ACTION_RESTART
if int(systemRestartTimeThreshold) > uptime:
actionType = StartStopService.ACTION_REBOOT
for service in manifestutil.getServices():
appDataDir = manifestutil.appDataPath(service)
if not os.path.exists(appDataDir):
os.makedirs(appDataDir)
import pwd
uname = pylons.config["app_user_account"]
uid = pwd.getpwnam(uname).pw_uid
gid = pwd.getpwnam(uname).pw_gid
utils.rchown(appDataDir, uid, gid)
dataDir = manifestutil.dataPath(service)
if not os.path.exists(dataDir):
os.makedirs(dataDir)
if service != "agent":
try:
manifestutil.updateServiceMetaFile(
service, {"servicePath": manifestutil.servicePath(service), "serviceName": service}
)
except Exception as excep:
LOG.error(
"Unknown error updating local metadata service(%s) - %s - %s"
% (service, str(excep), traceback.format_exc(2))
)
if manifestutil.hasActiveManifest(service):
try:
LOG.info("startup for service(%s)", service)
startupThread = StartStopService(appGlobal.threadMgr, service, actionType)
startupThread.start()
startupThread.threadMgrEvent.wait()
except Exception as excep:
LOG.error(
"Unknown error starting service(%s) - %s - %s"
% (service, str(excep), traceback.format_exc(2))
)
try:
LOG.info("load controllers and routes for service(%s)", service)
manifestutil.processControllerInPackage(service)
except Exception as excep:
LOG.error(
"Unknown error loading controllers for service(%s) - %s - %s"
% (service, str(excep), traceback.format_exc(2))
)
