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Do not optimize with_items loop if the items are not strings

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The code isn't sophisticated enough to understand lists and dicts yet.
This mirrors how 1.9.x handled non-string items so its not a regression.

One portion of a fix for #12976
This commit is contained in:
Toshio Kuratomi 2015-11-04 18:46:47 -08:00
parent da3087ffc4
commit 9e758d3d97
2 changed files with 30 additions and 17 deletions
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6
lib/ansible/constants.py
View file

@ -190,6 +190,12 @@ DEFAULT_BECOME_ASK_PASS = get_config(p, 'privilege_escalation', 'become_ask_pa
# PLUGINS
# Modules that can optimize with_items loops into a single call. Currently
# these modules must (1) take a "name" or "pkg" parameter that is a list. If
# the module takes both, bad things could happen.
# In the future we should probably generalize this even further
# (mapping of param: squash field)
DEFAULT_SQUASH_ACTIONS = get_config(p, DEFAULTS, 'squash_actions', 'ANSIBLE_SQUASH_ACTIONS', "apt, yum, pkgng, zypper, dnf", islist=True)
# paths
DEFAULT_ACTION_PLUGIN_PATH = get_config(p, DEFAULTS, 'action_plugins', 'ANSIBLE_ACTION_PLUGINS', '~/.ansible/plugins/action:/usr/share/ansible/plugins/action', ispath=True)

41
lib/ansible/executor/task_executor.py
View file

@ -25,7 +25,7 @@ import subprocess
import sys
import time
from ansible.compat.six import iteritems
from ansible.compat.six import iteritems, string_types
from ansible import constants as C
from ansible.errors import AnsibleError, AnsibleParserError, AnsibleUndefinedVariable, AnsibleConnectionFailure
@ -230,22 +230,29 @@ class TaskExecutor:
(typically package management modules).
'''
if len(items) > 0 and self._task.action in self.SQUASH_ACTIONS:
final_items = []
name = self._task.args.pop('name', None) or self._task.args.pop('pkg', None)
for item in items:
variables['item'] = item
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=variables)
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name)
final_items.append(new_item)
else:
final_items.append(item)
joined_items = ",".join(final_items)
self._task.args['name'] = joined_items
return [joined_items]
else:
return items
if all(isinstance(o, string_types) for o in items):
final_items = []
name = self._task.args.pop('name', None) or self._task.args.pop('pkg', None)
for item in items:
variables['item'] = item
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=variables)
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name)
final_items.append(new_item)
else:
final_items.append(item)
self._task.args['name'] = final_items
return [final_items]
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
# Note: we really should be checking that the name or pkg field
# contains a template that expands with our with_items values.
# If it doesn't then we may break things
return items
def _execute(self, variables=None):
'''