def loadModuleOnAgentStartup():
"""
when agent is restarted,
load agent modules
"""
if os.path.exists(manifestutil.moduleRootPath('agent')):
for module in manifestutil.getModules():
try:
manifestutil.processModule('agent', module, True)
except Exception as excep:
LOG.error('Unknown error loading module (%s) - %s - %s' % (module, str(excep), traceback.format_exc(2)))
def loadModuleOnAgentStartup():
"""
when agent is restarted,
load agent modules
"""
if os.path.exists(manifestutil.moduleRootPath('agent')):
for module in manifestutil.getModules():
try:
manifestutil.processModule('agent', module, True)
except Exception as excep:
LOG.error('Unknown error loading module (%s) - %s - %s' %
(module, str(excep), traceback.format_exc(2)))
def doRun(self):
""" Main body of the thread
Progress Info:
Look at the list of packages this manifest has and figure out the progress of this manifest
Progress 1 = manifest directory created
Progress 2-80 = all packages downloaded
Progress 81-99 = all packages untarred
Progress 100 = all links done
"""
try:
if self.__service != 'agent':
utils.checkDiskFull()
installedPkgPath = manifestutil.installedPkgRootPath(self.__service)
# figure out which of the packages are already there
remainingPackages = {}
pkgDict = PackageUtil.parseUri(self.__package)
pkgPath = os.path.join(installedPkgPath, pkgDict['packageName'], pkgDict['packageVersion'])
remainingPackages[self.__package] = pkgDict
if (not os.path.exists(pkgPath)):
# now make sure all the packages are downloaded
try:
self._downloadPackages([self.__package])
except AgentException as exc:
# check if it is download error, then modify exception appropriately
if exc.getCode() == Errors.DC_FAILED_DOWNLOAD:
exc = AgentException(Errors.MANIFEST_PACKAGE_DOWNLOAD_FAILED,
'Manifest (%s/%s) failed downloading package - %s'
% (self.__service, self.__module, exc.getMsg()))
raise exc
LOG.info('Completed download packages for (%s/%s)' % (self.__service, self.__module))
# now untar the packages
self._untarPackages(remainingPackages, self.__service, ServiceController.installedPkgPath(self.__service))
LOG.info('Completed untar all packages for (%s/%s)' % (self.__service, self.__module))
# now create the links
for pkgDict in remainingPackages.itervalues():
pkgPath = os.path.join(installedPkgPath, pkgDict['packageName'], pkgDict['packageVersion'])
modulePath = os.path.join(manifestutil.moduleRootPath(self.__service), self.__module)
# validate target folder does exist
if not os.path.exists(pkgPath):
raise AgentException(Errors.PACKAGE_PATH_ERROR, 'invalid untarred package at %s' % pkgPath)
# remove existing module
isExistingModule = os.path.exists(modulePath)
if isExistingModule:
execThread = self._getBuiltThread('deactivate')
if execThread:
super(ModuleCreate, self)._runExeThread(execThread)
rmlink(modulePath)
execThread = self._getBuiltThread('activate')
if execThread:
super(ModuleCreate, self)._runExeThread(execThread)
symlink(pkgPath, modulePath)
# load controllers from package
manifestutil.processModule(self.__service, self.__module, not isExistingModule)
LOG.info('Completed create module for (%s/%s)' % (self.__service, self.__module))
self._updateStatus(progress = 100)
except AgentException as exc:
LOG.info(exc.getMsg())
self._updateStatus(httpStatus = 500, error = exc.getCode(), errorMsg = exc.getMsg())
except Exception as exc:
errCode = Errors.UNKNOWN_ERROR
msg = 'Unknown error for (%s/%s) - %s - %s' % (self.__service, self.__module,
str(exc), traceback.format_exc(2))
LOG.info(msg)
self._updateStatus(httpStatus = 500, error = errCode, errorMsg = msg)
def doRun(self):
""" Main body of the thread
Progress Info:
Look at the list of packages this manifest has and figure out the progress of this manifest
Progress 1 = manifest directory created
Progress 2-80 = all packages downloaded
Progress 81-99 = all packages untarred
Progress 100 = all links done
"""
try:
if self.__service != 'agent':
utils.checkDiskFull()
installedPkgPath = manifestutil.installedPkgRootPath(
self.__service)
# figure out which of the packages are already there
remainingPackages = {}
pkgDict = PackageUtil.parseUri(self.__package)
pkgPath = os.path.join(installedPkgPath, pkgDict['packageName'],
pkgDict['packageVersion'])
remainingPackages[self.__package] = pkgDict
if (not os.path.exists(pkgPath)):
# now make sure all the packages are downloaded
try:
self._downloadPackages([self.__package])
except AgentException as exc:
# check if it is download error, then modify exception appropriately
if exc.getCode() == Errors.DC_FAILED_DOWNLOAD:
exc = AgentException(
Errors.MANIFEST_PACKAGE_DOWNLOAD_FAILED,
'Manifest (%s/%s) failed downloading package - %s'
% (self.__service, self.__module, exc.getMsg()))
raise exc
LOG.info('Completed download packages for (%s/%s)' %
(self.__service, self.__module))
# now untar the packages
self._untarPackages(
remainingPackages, self.__service,
ServiceController.installedPkgPath(self.__service))
LOG.info('Completed untar all packages for (%s/%s)' %
(self.__service, self.__module))
# now create the links
for pkgDict in remainingPackages.itervalues():
pkgPath = os.path.join(installedPkgPath,
pkgDict['packageName'],
pkgDict['packageVersion'])
modulePath = os.path.join(
manifestutil.moduleRootPath(self.__service), self.__module)
# validate target folder does exist
if not os.path.exists(pkgPath):
raise AgentException(
Errors.PACKAGE_PATH_ERROR,
'invalid untarred package at %s' % pkgPath)
# remove existing module
isExistingModule = os.path.exists(modulePath)
if isExistingModule:
execThreadTuple = self._getBuiltThread('deactivate')
super(ModuleCreate,
self)._runExeThread(self, execThreadTuple)
rmlink(modulePath)
execThreadTuple = self._getBuiltThread('activate')
super(ModuleCreate, self)._runExeThread(execThreadTuple)
symlink(pkgPath, modulePath)
# load controllers from package
manifestutil.processModule(self.__service, self.__module,
not isExistingModule)
LOG.info('Completed create module for (%s/%s)' %
(self.__service, self.__module))
self._updateStatus(progress=100)
except AgentException as exc:
LOG.info(exc.getMsg())
self._updateStatus(httpStatus=500,
error=exc.getCode(),
errorMsg=exc.getMsg())
except Exception as exc:
errCode = Errors.UNKNOWN_ERROR
msg = 'Unknown error for (%s/%s) - %s - %s' % (
self.__service, self.__manifest, str(exc),
traceback.format_exc(2))
LOG.info(msg)
self._updateStatus(httpStatus=500, error=errCode, errorMsg=msg)
