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Make returning results after loading vars optional

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Reinstates some functionality removed by commit 0ba9a6a but
makes the expensive operation optional (and default to off)

(cherry picked from commit 7dc09adaf4)
This commit is contained in:
Alex Mirski-Fitton 2016-07-21 10:26:57 +01:00 committed by James Cammarata
parent 6ca9b406ec
commit 044547034d
1 changed files with 11 additions and 7 deletions
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18
lib/ansible/inventory/__init__.py
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@ -718,13 +718,13 @@ class Inventory(object):
self._vars_per_host = {}
self._vars_per_group = {}
def get_host_vars(self, host, new_pb_basedir=False):
def get_host_vars(self, host, new_pb_basedir=False, return_results=False):
""" Read host_vars/ files """
return self._get_hostgroup_vars(host=host, group=None, new_pb_basedir=new_pb_basedir)
return self._get_hostgroup_vars(host=host, group=None, new_pb_basedir=new_pb_basedir, return_results=return_results)
def get_group_vars(self, group, new_pb_basedir=False):
def get_group_vars(self, group, new_pb_basedir=False, return_results=False):
""" Read group_vars/ files """
return self._get_hostgroup_vars(host=None, group=group, new_pb_basedir=new_pb_basedir)
return self._get_hostgroup_vars(host=None, group=group, new_pb_basedir=new_pb_basedir, return_results=return_results)
def _find_group_vars_files(self, basedir):
""" Find group_vars/ files """
@ -746,7 +746,7 @@ class Inventory(object):
found_vars = set(os.listdir(unicode(path)))
return found_vars
def _get_hostgroup_vars(self, host=None, group=None, new_pb_basedir=False):
def _get_hostgroup_vars(self, host=None, group=None, new_pb_basedir=False, return_results=False):
"""
Loads variables from group_vars/<groupname> and host_vars/<hostname> in directories parallel
to the inventory base directory or in the same directory as the playbook. Variables in the playbook
@ -785,11 +785,15 @@ class Inventory(object):
if host is None and any(map(lambda ext: group.name + ext in self._group_vars_files, C.YAML_FILENAME_EXTENSIONS)):
# load vars in dir/group_vars/name_of_group
base_path = to_unicode(os.path.abspath(os.path.join(to_bytes(basedir), b"group_vars/" + to_bytes(group.name))), errors='strict')
self._variable_manager.add_group_vars_file(base_path, self._loader)
host_results = self._variable_manager.add_group_vars_file(base_path, self._loader)
if return_results:
results = combine_vars(results, host_results)
elif group is None and any(map(lambda ext: host.name + ext in self._host_vars_files, C.YAML_FILENAME_EXTENSIONS)):
# same for hostvars in dir/host_vars/name_of_host
base_path = to_unicode(os.path.abspath(os.path.join(to_bytes(basedir), b"host_vars/" + to_bytes(host.name))), errors='strict')
self._variable_manager.add_host_vars_file(base_path, self._loader)
group_results = self._variable_manager.add_host_vars_file(base_path, self._loader)
if return_results:
results = combine_vars(results, group_results)
# all done, results is a dictionary of variables for this particular host.
return results