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Don't update job vars too early when getting loop items in TaskExecutor

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Fixes #13113
This commit is contained in:
James Cammarata 2015-11-18 19:12:38 -05:00
parent 05b542eb8e
commit 3d1255d190
1 changed files with 20 additions and 8 deletions
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28
lib/ansible/executor/task_executor.py
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@ -153,16 +153,19 @@ class TaskExecutor:
and returns the items result.
'''
# create a copy of the job vars here so that we can modify
# them temporarily without changing them too early for other
# parts of the code that might still need a pristine version
#vars_copy = self._job_vars.copy()
vars_copy = self._job_vars
# save the play context variables to a temporary dictionary,
# so that we can modify the job vars without doing a full copy
# and later restore them to avoid modifying things too early
play_context_vars = dict()
self._play_context.update_vars(play_context_vars)
# now we update them with the play context vars
self._play_context.update_vars(vars_copy)
old_vars = dict()
for k in play_context_vars.keys():
if k in self._job_vars:
old_vars[k] = self._job_vars[k]
self._job_vars[k] = play_context_vars[k]
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=vars_copy)
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
items = None
if self._task.loop:
if self._task.loop in self._shared_loader_obj.lookup_loader:
@ -189,6 +192,15 @@ class TaskExecutor:
else:
raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % self._task.loop)
# now we restore any old job variables that may have been modified,
# and delete them if they were in the play context vars but not in
# the old variables dictionary
for k in play_context_vars.keys():
if k in old_vars:
self._job_vars[k] = old_vars[k]
else:
del self._job_vars[k]
if items:
from ansible.vars.unsafe_proxy import UnsafeProxy
for idx, item in enumerate(items):