def checkOsManagerRelated(self):
osManager = self.userServiceInstance.osmanager()
state = State.USABLE
# and make this usable if os manager says that it is usable, else it pass to configuring state
# This is an "early check" for os manager, so if we do not have os manager, or os manager
# already notifies "ready" for this, we
if osManager is not None and State.isPreparing(
self.userService.os_state):
logger.debug('Has valid osmanager for {}'.format(
self.userService.friendly_name))
stateOs = osManager.checkState(self.userService)
else:
stateOs = State.FINISHED
logger.debug('State {}, StateOS {} for {}'.format(
State.toString(state), State.toString(stateOs),
self.userService.friendly_name))
if stateOs == State.RUNNING:
self.userService.setOsState(State.PREPARING)
else:
# If state is finish, we need to notify the userService again that os has finished
# This will return a new task state, and that one will be the one taken into account
self.userService.setOsState(State.USABLE)
rs = self.userServiceInstance.notifyReadyFromOsManager('')
if rs != State.FINISHED:
self.checkLater()
state = self.userService.state # No not alter current state if after notifying os manager the user service keeps working
else:
self.logIp()
return state
def checkOsManagerRelated(self):
osManager = self.userServiceInstance.osmanager()
state = State.USABLE
# and make this usable if os manager says that it is usable, else it pass to configuring state
# This is an "early check" for os manager, so if we do not have os manager, or os manager
# already notifies "ready" for this, we
if osManager is not None and State.isPreparing(self.userService.os_state):
logger.debug('Has valid osmanager for {}'.format(self.userService.friendly_name))
stateOs = osManager.checkState(self.userService)
else:
stateOs = State.FINISHED
logger.debug('State {}, StateOS {} for {}'.format(State.toString(state), State.toString(stateOs), self.userService.friendly_name))
if stateOs == State.RUNNING:
self.userService.setOsState(State.PREPARING)
else:
# If state is finish, we need to notify the userService again that os has finished
# This will return a new task state, and that one will be the one taken into account
self.userService.setOsState(State.USABLE)
rs = self.userServiceInstance.notifyReadyFromOsManager('')
if rs != State.FINISHED:
self.checkLater()
state = self.userService.state # No not alter current state if after notifying os manager the user service keeps working
else:
self.logIp()
return state
def __str__(self):
return "User service {0}, cache_level {1}, user {2}, name {3}, state {4}:{5}".format(
self.id,
self.cache_level,
self.user,
self.friendly_name,
State.toString(self.state),
State.toString(self.os_state),
)
def moveToLevel(self, cache, cacheLevel):
"""
Moves a cache element from one level to another
@return: cache element
"""
cache = UserService.objects.get(id=cache.id)
logger.debug('Moving cache {0} to level {1}'.format(cache, cacheLevel))
ci = cache.getInstance()
state = ci.moveToCache(cacheLevel)
cache.cache_level = cacheLevel
logger.debug('Service State: {0} {1} {2}'.format(State.toString(state), State.toString(cache.state), State.toString(cache.os_state)))
if State.isRuning(state) and cache.isUsable():
cache.setState(State.PREPARING)
UserServiceOpChecker.makeUnique(cache, ci, state)
def moveToLevel(self, cache, cacheLevel):
'''
Moves a cache element from one level to another
@return: cache element
'''
cache = UserService.objects.get(id=cache.id)
logger.debug('Moving cache {0} to level {1}'.format(cache, cacheLevel))
ci = cache.getInstance()
state = ci.moveToCache(cacheLevel)
cache.cache_level = cacheLevel
logger.debug('Service State: {0} {1} {2}'.format(State.toString(state), State.toString(cache.state), State.toString(cache.os_state)))
if State.isRuning(state) and cache.isUsable():
cache.setState(State.PREPARING)
UserServiceOpChecker.makeUnique(cache, ci, state)
def remove(self, uService):
"""
Removes a uService element
@return: the uService removed (marked for removal)
"""
with transaction.atomic():
uService = UserService.objects.select_for_update().get(
id=uService.id)
logger.debug('Removing uService {0}'.format(uService))
if uService.isUsable() is False and State.isRemovable(
uService.state) is False:
raise OperationException(
_('Can\'t remove a non active element'))
uService.setState(State.REMOVING)
logger.debug("***** The state now is {}".format(
State.toString(uService.state)))
uService.setInUse(
False
) # For accounting, ensure that it is not in use right now
uService.save()
ci = uService.getInstance()
state = ci.destroy()
UserServiceOpChecker.makeUnique(uService, ci, state)
def checkAndUpdateState(userService, userServiceInstance, state):
'''
Checks the value returned from invocation to publish or checkPublishingState, updating the servicePoolPub database object
Return True if it has to continue checking, False if finished
'''
try:
# Fills up basic data
userService.unique_id = userServiceInstance.getUniqueId(
) # Updates uniqueId
userService.friendly_name = userServiceInstance.getName(
) # And name, both methods can modify serviceInstance, so we save it later
updater = {
State.PREPARING: UpdateFromPreparing,
State.REMOVING: UpdateFromRemoving,
State.CANCELING: UpdateFromCanceling
}.get(userService.state, UpdateFromOther)
logger.debug(
'Updating from {} with updater {} and state {}'.format(
State.toString(userService.state), updater, state))
updater(userService, userServiceInstance).run(state)
except Exception as e:
logger.exception('Checking service state')
log.doLog(userService, log.ERROR, 'Exception: {0}'.format(e),
log.INTERNAL)
userService.setState(State.ERROR)
userService.save()
def checkAndUpdateState(userService, userServiceInstance, state):
"""
Checks the value returned from invocation to publish or checkPublishingState, updating the servicePoolPub database object
Return True if it has to continue checking, False if finished
"""
try:
# Fills up basic data
userService.unique_id = userServiceInstance.getUniqueId() # Updates uniqueId
userService.friendly_name = userServiceInstance.getName() # And name, both methods can modify serviceInstance, so we save it later
userService.save(update_fields=['unique_id', 'friendly_name'])
updater = {
State.PREPARING: UpdateFromPreparing,
State.REMOVING: UpdateFromRemoving,
State.CANCELING: UpdateFromCanceling
}.get(userService.state, UpdateFromOther)
logger.debug('Updating from {} with updater {} and state {}'.format(State.toString(userService.state), updater, state))
updater(userService, userServiceInstance).run(state)
except Exception as e:
logger.exception('Checking service state')
log.doLog(userService, log.ERROR, 'Exception: {0}'.format(e), log.INTERNAL)
userService.setState(State.ERROR)
userService.save(update_fields=['data'])
def setState(self, state):
'''
Updates the state of this object and, optionally, saves it
Args:
state: new State to store at record
save: Defaults to true. If false, record will not be saved to db, just modified
'''
logger.debug(' *** Setting state to {} from {} for {}'.format(
State.toString(state), State.toString(self.state), self))
if state != self.state:
self.state_date = getSqlDatetime()
self.state = state
def checkAndUpdateState(userService, userServiceInstance, state):
'''
Checks the value returned from invocation to publish or checkPublishingState, updating the servicePoolPub database object
Return True if it has to continue checking, False if finished
'''
try:
prevState = userService.state
userService.unique_id = userServiceInstance.getUniqueId() # Updates uniqueId
userService.friendly_name = userServiceInstance.getName() # And name, both methods can modify serviceInstance, so we save it later
if State.isFinished(state):
checkLater = False
userServiceInstance.finish()
if State.isPreparing(prevState):
if userServiceInstance.service().publicationType is None or userService.publication == userService.deployed_service.activePublication():
userService.setState(State.USABLE)
# and make this usable if os manager says that it is usable, else it pass to configuring state
if userServiceInstance.osmanager() is not None and userService.os_state == State.PREPARING: # If state is already "Usable", do not recheck it
stateOs = userServiceInstance.osmanager().checkState(userService)
# If state is finish, we need to notify the userService again that os has finished
if State.isFinished(stateOs):
state = userServiceInstance.notifyReadyFromOsManager('')
userService.updateData(userServiceInstance)
else:
stateOs = State.FINISHED
if State.isRuning(stateOs):
userService.setOsState(State.PREPARING)
else:
userService.setOsState(State.USABLE)
else:
# We ignore OsManager info and if userService don't belong to "current" publication, mark it as removable
userService.setState(State.REMOVABLE)
elif State.isRemoving(prevState):
if userServiceInstance.osmanager() is not None:
userServiceInstance.osmanager().release(userService)
userService.setState(State.REMOVED)
else:
# Canceled,
logger.debug("Canceled us {2}: {0}, {1}".format(prevState, State.toString(state), State.toString(userService)))
userService.setState(State.CANCELED)
userServiceInstance.osmanager().release(userService)
userService.updateData(userServiceInstance)
elif State.isErrored(state):
checkLater = False
userService.updateData(userServiceInstance)
userService.setState(State.ERROR)
else:
checkLater = True # The task is running
userService.updateData(userServiceInstance)
userService.save()
if checkLater:
UserServiceOpChecker.checkLater(userService, userServiceInstance)
except Exception as e:
logger.exception('Checking service state')
log.doLog(userService, log.ERROR, 'Exception: {0}'.format(e), log.INTERNAL)
userService.setState(State.ERROR)
userService.save()
def run(self, state):
executor = {
State.RUNNING: self.running,
State.ERROR: self.error,
State.FINISHED: self.finish
}.get(state, self.error)
logger.debug('Running updater with state {} and executor {}'.format(State.toString(state), executor))
try:
executor()
except Exception as e:
self.setError('Exception: {}'.format(e))
def run(self, state):
executor = {
State.RUNNING: self.running,
State.ERROR: self.error,
State.FINISHED: self.finish
}.get(state, self.error)
logger.debug('Running updater with state {} and executor {}'.format(State.toString(state), executor))
try:
executor()
except Exception as e:
self.setError('Exception: {}'.format(e))
def setState(self, state):
'''
Updates the state of this object and, optionally, saves it
Args:
state: new State to store at record
save: Defaults to true. If false, record will not be saved to db, just modified
'''
logger.debug(' *** Setting state to {} from {} for {}'.format(State.toString(state), State.toString(self.state), self))
if state != self.state:
self.state_date = getSqlDatetime()
self.state = state
def remove(self, uService):
'''
Removes a uService element
@return: the uService removed (marked for removal)
'''
with transaction.atomic():
uService = UserService.objects.select_for_update().get(id=uService.id)
logger.debug('Removing uService {0}'.format(uService))
if uService.isUsable() is False and State.isRemovable(uService.state) is False:
raise OperationException(_('Can\'t remove a non active element'))
uService.setState(State.REMOVING)
logger.debug("***** The state now is {}".format(State.toString(uService.state)))
uService.setInUse(False) # For accounting, ensure that it is not in use right now
uService.save()
ci = uService.getInstance()
state = ci.destroy()
UserServiceOpChecker.makeUnique(uService, ci, state)
def __str__(self):
return 'Publication {0}, rev {1}, state {2}'.format(self.deployed_service.name, self.revision, State.toString(self.state))
def checkAndUpdateState(userService, userServiceInstance, state):
'''
Checks the value returned from invocation to publish or checkPublishingState, updating the servicePoolPub database object
Return True if it has to continue checking, False if finished
'''
try:
prevState = userService.state
userService.unique_id = userServiceInstance.getUniqueId(
) # Updates uniqueId
userService.friendly_name = userServiceInstance.getName(
) # And name, both methods can modify serviceInstance, so we save it later
if State.isFinished(state):
checkLater = False
userServiceInstance.finish()
if State.isPreparing(prevState):
if userServiceInstance.service(
).publicationType is None or userService.publication == userService.deployed_service.activePublication(
):
userService.setState(State.USABLE)
# and make this usable if os manager says that it is usable, else it pass to configuring state
if userServiceInstance.osmanager(
) is not None and userService.os_state == State.PREPARING: # If state is already "Usable", do not recheck it
stateOs = userServiceInstance.osmanager(
).checkState(userService)
# If state is finish, we need to notify the userService again that os has finished
if State.isFinished(stateOs):
state = userServiceInstance.notifyReadyFromOsManager(
'')
userService.updateData(userServiceInstance)
else:
stateOs = State.FINISHED
if State.isRuning(stateOs):
userService.setOsState(State.PREPARING)
else:
userService.setOsState(State.USABLE)
else:
# We ignore OsManager info and if userService don't belong to "current" publication, mark it as removable
userService.setState(State.REMOVABLE)
elif State.isRemoving(prevState):
if userServiceInstance.osmanager() is not None:
userServiceInstance.osmanager().release(userService)
userService.setState(State.REMOVED)
else:
# Canceled,
logger.debug("Canceled us {2}: {0}, {1}".format(
prevState, State.toString(state),
State.toString(userService)))
userService.setState(State.CANCELED)
userServiceInstance.osmanager().release(userService)
userService.updateData(userServiceInstance)
elif State.isErrored(state):
checkLater = False
userService.updateData(userServiceInstance)
userService.setState(State.ERROR)
else:
checkLater = True # The task is running
userService.updateData(userServiceInstance)
userService.save()
if checkLater:
UserServiceOpChecker.checkLater(userService,
userServiceInstance)
except Exception as e:
logger.exception('Checking service state')
log.doLog(userService, log.ERROR, 'Exception: {0}'.format(e),
log.INTERNAL)
userService.setState(State.ERROR)
userService.save()
def running(self):
self.setError('Unknown running transition from {}'.format(State.toString(self.userService.state)))
def running(self):
self.setError('Unknown running transition from {}'.format(
State.toString(self.userService.state)))
def __str__(self):
return "User service {0}, cache_level {1}, user {2}, name {3}, state {4}:{5}".format(
self.id, self.cache_level, self.user, self.friendly_name,
State.toString(self.state), State.toString(self.os_state))
def __str__(self):
return 'Publication {0}, rev {1}, state {2}'.format(
self.deployed_service.name, self.revision,
State.toString(self.state))