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Set special vars in play.vars rather than load_vars

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Also refactors playbook loading code relating to vars in playbooks
to a sub-function.

Fixes #8534
This commit is contained in:
James Cammarata 2014-08-11 19:21:39 -05:00
parent f186bcc936
commit ac8950fd36
2 changed files with 30 additions and 15 deletions
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34
lib/ansible/playbook/__init__.py
View file

@ -226,6 +226,28 @@ class PlayBook(object):
# *****************************************************
def _extend_play_vars(self, play, vars={}):
'''
Extends the given play's variables with the additional specified vars.
'''
if 'vars' not in play or not play['vars']:
# someone left out or put an empty "vars:" entry in their playbook
return vars.copy()
play_vars = None
if isinstance(play_vars, dict):
play_vars = play['vars'].copy()
play_vars.update(vars)
elif isinstance(play_vars, list):
# nobody should really do this, but handle vars: a=1 b=2
play_vars = play['vars'][:]
play_vars.extend([{k:v} for k,v in vars.iteritems()])
return play_vars
# *****************************************************
def _load_playbook_from_file(self, path, vars={}, vars_files=[]):
'''
run top level error checking on playbooks and allow them to include other playbooks.
@ -258,17 +280,7 @@ class PlayBook(object):
for p in plays:
# support for parameterized play includes works by passing
# those variables along to the subservient play
if 'vars' not in p:
p['vars'] = {}
if isinstance(p['vars'], dict):
p['vars'].update(play_vars)
elif isinstance(p['vars'], list):
# nobody should really do this, but handle vars: a=1 b=2
p['vars'].extend([{k:v} for k,v in play_vars.iteritems()])
elif p['vars'] == None:
# someone specified an empty 'vars:', so reset
# it to the vars we currently have
p['vars'] = play_vars.copy()
p['vars'] = self._extend_play_vars(p, play_vars)
# now add in the vars_files
p['vars_files'] = utils.list_union(p.get('vars_files', []), play_vars_files)

9
lib/ansible/playbook/play.py
View file

@ -76,6 +76,12 @@ class Play(object):
elif type(self.tags) != list:
self.tags = []
# make sure we have some special internal variables set
if self.playbook.inventory.basedir() is not None:
self.vars['inventory_dir'] = self.playbook.inventory.basedir()
if self.playbook.inventory.src() is not None:
self.vars['inventory_file'] = self.playbook.inventory.src()
# We first load the vars files from the datastructure
# so we have the default variables to pass into the roles
self.vars_files = ds.get('vars_files', [])
@ -148,13 +154,10 @@ class Play(object):
load_vars = {}
load_vars['role_names'] = ds.get('role_names',[])
load_vars['playbook_dir'] = self.basedir
if self.playbook.inventory.basedir() is not None:
load_vars['inventory_dir'] = self.playbook.inventory.basedir()
self._tasks = self._load_tasks(self._ds.get('tasks', []), load_vars)
self._handlers = self._load_tasks(self._ds.get('handlers', []), load_vars)
# apply any missing tags to role tasks
self._late_merge_role_tags()