add --step option to ansible-playbooks to let people step through a playbook

one by one - asking for confirmation along the way.

also allows to 'continue' after a certain point
This commit is contained in:
Seth Vidal 2013-03-11 00:39:05 -04:00
parent 1289dd602d
commit 7687c2caf8
3 changed files with 21 additions and 2 deletions

View file

@ -72,6 +72,8 @@ def main(args):
help="do a playbook syntax check on the playbook, do not execute the playbook")
parser.add_option('--list-tasks', dest='listtasks', action='store_true',
help="do list all tasks that would be executed")
parser.add_option('--step', dest='step', action='store_true',
help="one-step-at-a-time: confirm each task before running")
options, args = parser.parse_args(args)
@ -111,6 +113,8 @@ def main(args):
stats = callbacks.AggregateStats()
playbook_cb = callbacks.PlaybookCallbacks(verbose=utils.VERBOSITY)
if options.step:
playbook_cb.step = options.step
runner_cb = callbacks.PlaybookRunnerCallbacks(stats, verbose=utils.VERBOSITY)
pb = ansible.playbook.PlayBook(

View file

@ -464,7 +464,20 @@ class PlaybookCallbacks(object):
msg = "TASK: [%s]" % name
if is_conditional:
msg = "NOTIFIED: [%s]" % name
print banner(msg)
if hasattr(self, 'step') and self.step:
resp = raw_input('Perform task: %s (y/n/c): ' % name)
if resp.lower() in ['y','yes']:
self.skip_task = False
print banner(msg)
elif resp.lower() in ['c', 'continue']:
self.skip_task = False
self.step = False
print banner(msg)
else:
self.skip_task = True
call_callback_module('playbook_on_task_start', name, is_conditional)
def on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):

View file

@ -301,6 +301,8 @@ class PlayBook(object):
''' run a single task in the playbook and recursively run any subtasks. '''
self.callbacks.on_task_start(utils.template(play.basedir, task.name, task.module_vars, lookup_fatal=False), is_handler)
if hasattr(self.callbacks, 'skip_task') and self.callbacks.skip_task:
return True
# load up an appropriate ansible runner to run the task in parallel
results = self._run_task_internal(task)