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Use static vars when computing host vars known to be static (inventory_hostname, inventory_dir etc.).

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This commit is contained in:
Yannig Perre 2015-11-04 22:16:14 +01:00
commit ccbdd6229a
2 changed files with 13 additions and 3 deletions
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9
lib/ansible/vars/hostvars.py
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@ -28,6 +28,13 @@ from ansible import constants as C
from ansible.inventory.host import Host
from ansible.template import Templar
STATIC_VARS = [
'inventory_hostname', 'inventory_hostname_short',
'inventory_file', 'inventory_dir', 'playbook_dir',
'ansible_play_hosts', 'play_hosts', 'groups', 'ungrouped', 'group_names',
'ansible_version', 'omit', 'role_names'
]
try:
from hashlib import sha1
except ImportError:
@ -81,7 +88,7 @@ class HostVars(collections.Mapping):
result = self._cached_result[sha1_hash]
else:
templar = Templar(variables=data, loader=self._loader)
result = templar.template(data, fail_on_undefined=False)
result = templar.template(data, fail_on_undefined=False, static_vars=STATIC_VARS)
self._cached_result[sha1_hash] = result
return result