def _func(*args, **kwargs):
result = None
try:
if self._retry_count:
LOG.debug(
"Invoking %(func_name)s; retry count is "
"%(retry_count)d.", {
'func_name': func_name,
'retry_count': self._retry_count
})
result = f(*args, **kwargs)
except self._exceptions:
with excutils.save_and_reraise_exception() as ctxt:
LOG.warning(
"Exception which is in the suggested list "
"of exceptions occurred while invoking "
"function: %s.",
func_name,
exc_info=True)
if (self._max_retry_count != -1
and self._retry_count >= self._max_retry_count):
LOG.error(
"Cannot retry upon suggested exception "
"since retry count (%(retry_count)d) "
"reached max retry count "
"(%(max_retry_count)d).", {
'retry_count': self._retry_count,
'max_retry_count': self._max_retry_count
})
else:
ctxt.reraise = False
self._retry_count += 1
self._sleep_time += self._inc_sleep_time
return self._sleep_time
raise loopingcall.LoopingCallDone(result)
def _poll_task(self, task):
"""Poll the given task until completion.
If the task completes successfully, the method returns the task info
using the input event (param done). In case of any error, appropriate
exception is set in the event.
:param task: managed object reference of the task
"""
LOG.debug("Invoking VIM API to read info of task: %s.", task)
try:
task_info = self.invoke_api(vim_util, 'get_object_property',
self.vim, task, 'info')
except exceptions.VimException:
with excutils.save_and_reraise_exception():
LOG.exception(
_LE("Error occurred while reading info of "
"task: %s."), task)
else:
if task_info.state in ['queued', 'running']:
if hasattr(task_info, 'progress'):
LOG.debug("Task: %(task)s progress is %(progress)s%%.", {
'task': task,
'progress': task_info.progress
})
elif task_info.state == 'success':
LOG.debug("Task: %s status is success.", task)
raise loopingcall.LoopingCallDone(task_info)
else:
error_msg = six.text_type(task_info.error.localizedMessage)
error = task_info.error
name = error.fault.__class__.__name__
task_ex = exceptions.get_fault_class(name)(error_msg)
raise task_ex
def _poll_task(self, task, ctx):
"""Poll the given task until completion.
If the task completes successfully, the method returns the task info
using the input event (param done). In case of any error, appropriate
exception is set in the event.
:param task: managed object reference of the task
:param ctx: request context for the corresponding task
"""
if ctx is not None:
ctx.update_store()
try:
# we poll tasks too often, so skip logging the opID as it generates
# too much noise in the logs
task_info = self.invoke_api(vim_util,
'get_object_property',
self.vim,
task,
'info',
skip_op_id=True)
except exceptions.VimException:
with excutils.save_and_reraise_exception():
LOG.exception("Error occurred while reading info of "
"task: %s.",
task)
else:
task_detail = {'id': task.value}
# some internal tasks do not have 'name' set
if getattr(task_info, 'name', None):
task_detail['name'] = task_info.name
if task_info.state in ['queued', 'running']:
if hasattr(task_info, 'progress'):
LOG.debug("Task: %(task)s progress is %(progress)s%%.",
{'task': task_detail,
'progress': task_info.progress})
elif task_info.state == 'success':
def get_completed_task():
complete_time = getattr(task_info, 'completeTime', None)
if complete_time:
duration = complete_time - task_info.queueTime
task_detail['duration_secs'] = duration.total_seconds()
return task_detail
LOG.debug("Task: %s completed successfully.",
get_completed_task())
raise loopingcall.LoopingCallDone(task_info)
else:
error_msg = six.text_type(task_info.error.localizedMessage)
error = task_info.error
name = error.fault.__class__.__name__
fault_class = exceptions.get_fault_class(name)
if fault_class:
task_ex = fault_class(error_msg)
else:
task_ex = exceptions.VimFaultException([name],
error_msg)
raise task_ex
def _poll_lease(self, lease):
"""Poll the state of the given lease.
When the lease is ready, the event (param done) is notified. In case
of any error, appropriate exception is set in the event.
:param lease: lease whose state is to be polled
"""
try:
state = self.invoke_api(vim_util,
'get_object_property',
self.vim,
lease,
'state',
skip_op_id=True)
except exceptions.VimException:
with excutils.save_and_reraise_exception():
LOG.exception(
"Error occurred while checking "
"state of lease: %s.", lease)
else:
if state == 'ready':
LOG.debug("Lease: %s is ready.", lease)
raise loopingcall.LoopingCallDone()
elif state == 'initializing':
LOG.debug("Lease: %s is initializing.", lease)
elif state == 'error':
LOG.debug("Invoking VIM API to read lease: %s error.", lease)
error_msg = self._get_error_message(lease)
excep_msg = _("Lease: %(lease)s is in error state. Details: "
"%(error_msg)s.") % {
'lease': lease,
'error_msg': error_msg
}
LOG.error(excep_msg)
raise exceptions.VimException(excep_msg)
else:
# unknown state
excep_msg = _("Unknown state: %(state)s for lease: "
"%(lease)s.") % {
'state': state,
'lease': lease
}
LOG.error(excep_msg)
raise exceptions.VimException(excep_msg)