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Implement play_hosts magic variable (and ansible_current_hosts)

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Fixes #8073
This commit is contained in:
James Cammarata 2015-06-22 21:03:55 -04:00
commit 7490044bbe
3 changed files with 22 additions and 0 deletions
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12
lib/ansible/plugins/strategies/__init__.py
View file

@ -104,6 +104,17 @@ class StrategyBase:
def get_failed_hosts(self, play):
return [host for host in self._inventory.get_hosts(play.hosts) if host.name in self._tqm._failed_hosts]
def add_tqm_variables(self, vars, play):
'''
Base class method to add extra variables/information to the list of task
vars sent through the executor engine regarding the task queue manager state.
'''
new_vars = vars.copy()
new_vars['ansible_current_hosts'] = self.get_hosts_remaining(play)
new_vars['ansible_failed_hosts'] = self.get_failed_hosts(play)
return new_vars
def _queue_task(self, host, task, task_vars, connection_info):
''' handles queueing the task up to be sent to a worker '''
@ -374,6 +385,7 @@ class StrategyBase:
for host in self._notified_handlers[handler_name]:
if not handler.has_triggered(host):
task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=handler)
task_vars = self.add_tqm_variables(task_vars, play=iterator._play)
self._queue_task(host, handler, task_vars, connection_info)
handler.flag_for_host(host)
self._process_pending_results(iterator)

1
lib/ansible/plugins/strategies/linear.py
View file

@ -188,6 +188,7 @@ class StrategyModule(StrategyBase):
else:
debug("getting variables")
task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=task)
task_vars = self.add_tqm_variables(task_vars, play=iterator._play)
templar = Templar(loader=self._loader, variables=task_vars)
debug("done getting variables")