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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)
This commit is contained in:
Alex Mirski-Fitton 2016-07-21 10:26:57 +01:00
parent 372018dfce
commit 7dc09adaf4
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_host = {}
self._vars_per_group = {} 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 """ """ 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 """ """ 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): def _find_group_vars_files(self, basedir):
""" Find group_vars/ files """ """ Find group_vars/ files """
@ -746,7 +746,7 @@ class Inventory(object):
found_vars = set(os.listdir(to_unicode(path))) found_vars = set(os.listdir(to_unicode(path)))
return found_vars 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 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 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)): 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 # 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') 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)): 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 # 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') 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. # all done, results is a dictionary of variables for this particular host.
return results return results