ceph/teuthology/run_tasks.py
Tommi Virtanen 9353fcc931 Move summary inside context.
This will hopefully make run_tasks usable by tasks.
The ceph task can't use it yet, because it has its
yield inside the with nested statement.
2011-06-16 14:36:21 -07:00

55 lines
1.8 KiB
Python

import sys
import logging
log = logging.getLogger(__name__)
def _run_one_task(taskname, **kwargs):
submod = taskname
subtask = 'task'
if '.' in taskname:
(submod, subtask) = taskname.rsplit('.', 1)
parent = __import__('teuthology.task', globals(), locals(), [submod], 0)
mod = getattr(parent, submod)
fn = getattr(mod, subtask)
return fn(**kwargs)
def run_tasks(tasks, ctx):
stack = []
try:
for taskdict in tasks:
try:
((taskname, config),) = taskdict.iteritems()
except ValueError:
raise RuntimeError('Invalid task definition: %s' % taskdict)
log.info('Running task %s...', taskname)
manager = _run_one_task(taskname, ctx=ctx, config=config)
if hasattr(manager, '__enter__'):
manager.__enter__()
stack.append(manager)
except:
ctx.summary['success'] = False
log.exception('Saw exception from tasks')
finally:
try:
exc_info = sys.exc_info()
while stack:
manager = stack.pop()
log.debug('Unwinding manager %s', manager)
try:
suppress = manager.__exit__(*exc_info)
except:
ctx.summary['success'] = False
log.exception('Manager failed: %s', manager)
else:
if suppress:
sys.exc_clear()
exc_info = (None, None, None)
if exc_info != (None, None, None):
log.debug('Exception was not quenched, exiting: %s: %s', exc_info[0].__name__, exc_info[1])
raise SystemExit(1)
finally:
# be careful about cyclic references
del exc_info
ctx.summary.setdefault('success', True)