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Further tweaks to variable precedence to make it match our docs

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Also removes looking at role variables from the Block, as those are
merged in separately via VariableManager
This commit is contained in:
James Cammarata 2016-06-07 12:08:01 -05:00
parent a9c9cd773f
commit 3ced6d3e90
2 changed files with 14 additions and 4 deletions
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2
lib/ansible/playbook/block.py
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@ -65,8 +65,6 @@ class Block(Base, Become, Conditional, Taggable):
all_vars = self.vars.copy()
if self._role:
all_vars.update(self._role.get_vars(self._dep_chain, include_params=False))
if self._parent_block:
all_vars.update(self._parent_block.get_vars())
if self._task_include:

16
lib/ansible/vars/__init__.py
View file

@ -323,25 +323,37 @@ class VariableManager:
display.vvv("skipping vars_file '%s' due to an undefined variable" % vars_file_item)
continue
# By default, we now merge in all vars from all roles in the play,
# unless the user has disabled this via a config option
if not C.DEFAULT_PRIVATE_ROLE_VARS:
for role in play.get_roles():
all_vars = combine_vars(all_vars, role.get_vars(include_params=False))
# next, we merge in the vars from the role, which will specifically
# follow the role dependency chain, and then we merge in the tasks
# vars (which will look at parent blocks/task includes)
if task:
if task._role:
all_vars = combine_vars(all_vars, task._role.get_vars(include_params=False))
all_vars = combine_vars(all_vars, task.get_vars())
# next, we merge in the vars cache (include vars) and nonpersistent
# facts cache (set_fact/register), in that order
if host:
all_vars = combine_vars(all_vars, self._vars_cache.get(host.get_name(), dict()))
all_vars = combine_vars(all_vars, self._nonpersistent_fact_cache.get(host.name, dict()))
# next, we merge in role params and task include params
if task:
if task._role:
all_vars = combine_vars(all_vars, task._role.get_vars(include_params=False))
all_vars = combine_vars(all_vars, task._role.get_role_params(task._block.get_dep_chain()))
all_vars = combine_vars(all_vars, task.get_vars())
# special case for include tasks, where the include params
# may be specified in the vars field for the task, which should
# have higher precedence than the vars/np facts above
all_vars = combine_vars(all_vars, task.get_include_params())
# finally, we merge in extra vars and the magic variables
all_vars = combine_vars(all_vars, self._extra_vars)
all_vars = combine_vars(all_vars, magic_variables)