def listServices(self):
""" list services """
packageList = getServices()
return ApplogController.prepareOutput(
packageList,
"/applog/packages?service=",
serviceRootPath(),
"List Of Services")
def cleanRogueService():
""" delete rogue services """
try:
services = manifestutil.getServices()
for service in services:
path = manifestutil.servicePath(service)
for idx in range(3):
if os.path.exists(os.path.join(path, 'manifests')):
break
time.sleep(2)
if idx == 2:
appGlobal = pylons.config['pylons.app_globals']
LOG.info('service %s does not have manifests folder, cleanup the rogue service' % service)
deleteThread = ServiceDelete(appGlobal.threadMgr, service, path)
deleteThread.run()
LOG.info('service %s cleaned up' % service)
break
except Exception:
LOG.error('failed to check and cleanup rogue service' + traceback.format_exc(5))
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 cleanRogueService():
""" delete rogue services """
try:
services = manifestutil.getServices()
for service in services:
path = manifestutil.servicePath(service)
for idx in range(3):
if os.path.exists(os.path.join(path, 'manifests')):
break
time.sleep(2)
if idx == 2:
appGlobal = pylons.config['pylons.app_globals']
LOG.info(
'service %s does not have manifests folder, cleanup the rogue service'
% service)
deleteThread = ServiceDelete(appGlobal.threadMgr,
service, path)
deleteThread.run()
LOG.info('service %s cleaned up' % service)
break
except Exception:
LOG.error('failed to check and cleanup rogue service' +
traceback.format_exc(5))
def listServices(self):
""" listServices """
packageList = getServices()
return ModulelogController.prepareOutput(
packageList, "/log/list/packages?service=", serviceRootPath(),
"List Of Services")
def testGetServices(self):
createManifest(self, manifest = 'bar', service = 'foo')
assert 'foo' in manifestutil.getServices()
assert manifestutil.servicePath('foo').endswith('foo')
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 testGetServices(self):
createManifest(self, manifest='bar', service='foo')
assert 'foo' in manifestutil.getServices()
assert manifestutil.servicePath('foo').endswith('foo')
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))
)
