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Fixing bugs in play iteration and strategies

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* Fixed a bug in PlayIterator when ITERATING_ALWAYS, where the block
  was advanced but the incorrect data structure elements were cleared
* Cleaned up the logic of is_failed() in PlayIterator
* Fixed a bug in the free strategy which had not been updated to use
  the base strategy _execute_meta() method
* Stopped strategies from using is_failed() to determine if tasks should
  still be fetched for a host

Fixes #14040
This commit is contained in:
James Cammarata 2016-02-03 18:42:27 -05:00
commit 699a854bf3
3 changed files with 16 additions and 25 deletions
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17
lib/ansible/plugins/strategy/free.py
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@ -78,7 +78,7 @@ class StrategyModule(StrategyBase):
(state, task) = iterator.get_next_task_for_host(host, peek=True)
display.debug("free host state: %s" % state)
display.debug("free host task: %s" % task)
if not iterator.is_failed(host) and host_name not in self._tqm._unreachable_hosts and task:
if host_name not in self._tqm._unreachable_hosts and task:
# set the flag so the outer loop knows we've still found
# some work which needs to be done
@ -106,18 +106,7 @@ class StrategyModule(StrategyBase):
continue
if task.action == 'meta':
# meta tasks store their args in the _raw_params field of args,
# since they do not use k=v pairs, so get that
meta_action = task.args.get('_raw_params')
if meta_action == 'noop':
continue
elif meta_action == 'flush_handlers':
# FIXME: in the 'free' mode, flushing handlers should result in
# only those handlers notified for the host doing the flush
self.run_handlers(iterator, play_context)
else:
raise AnsibleError("invalid meta action requested: %s" % meta_action, obj=task._ds)
self._execute_meta(task, play_context, iterator)
self._blocked_hosts[host_name] = False
else:
# handle step if needed, skip meta actions as they are used internally
@ -126,6 +115,8 @@ class StrategyModule(StrategyBase):
display.warning("Using any_errors_fatal with the free strategy is not supported, as tasks are executed independently on each host")
self._tqm.send_callback('v2_playbook_on_task_start', task, is_conditional=False)
self._queue_task(host, task, task_vars, play_context)
else:
display.debug("%s is blocked, skipping for now" % host_name)
# move on to the next host and make sure we
# haven't gone past the end of our hosts list