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Allow top level playbook files to import other playbook files, added some basic

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playbook structure checking.
This commit is contained in:
Michael DeHaan 2012-07-12 00:17:51 -04:00
parent 420337b50c
commit a765deccce
3 changed files with 66 additions and 2 deletions
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38
lib/ansible/playbook/__init__.py
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@ -116,12 +116,46 @@ class PlayBook(object):
if not self.inventory._is_script:
self.global_vars.update(self.inventory.get_group_variables('all'))
self.basedir = os.path.dirname(playbook)
self.playbook = utils.parse_yaml_from_file(playbook)
self.basedir = os.path.dirname(playbook)
self.playbook = self._load_playbook_from_file(playbook)
self.module_path = self.module_path + os.pathsep + os.path.join(self.basedir, "library")
# *****************************************************
def _load_playbook_from_file(self, path):
'''
do some top level error checking on playbooks and allow them to include other
playbooks.
'''
playbook_data = utils.parse_yaml_from_file(path)
accumulated_plays = []
if type(playbook_data) != list:
raise errors.AnsibleError(
"parse error: playbooks must be formatted as a YAML list"
)
for play in playbook_data:
if type(play) != dict:
raise errors.AnsibleError(
"parse error: each play in a playbook must a YAML dictionary (hash), recieved: %s" % play
)
if 'include' in play:
if len(play.keys()) == 1:
included_path = utils.path_dwim(self.basedir, play['include'])
accumulated_plays.extend(self._load_playbook_from_file(included_path))
else:
raise errors.AnsibleError(
"parse error: top level includes cannot be used with other directives: %s" % play
)
else:
accumulated_plays.append(play)
return accumulated_plays
# *****************************************************
def run(self):
''' run all patterns in the playbook '''