1 files changed, 40 insertions, 0 deletions
diff --git a/lib/ansible/inventory/helpers.py b/lib/ansible/inventory/helpers.py
new file mode 100644
index 0000000..39c7221
--- /dev/null
+++ b/lib/ansible/inventory/helpers.py
@@ -0,0 +1,40 @@
+# (c) 2017, Ansible by RedHat Inc,
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+#############################################
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from ansible.utils.vars import combine_vars
+
+
+def sort_groups(groups):
+    return sorted(groups, key=lambda g: (g.depth, g.priority, g.name))
+
+
+def get_group_vars(groups):
+    """
+    Combine all the group vars from a list of inventory groups.
+
+    :param groups: list of ansible.inventory.group.Group objects
+    :rtype: dict
+    """
+    results = {}
+    for group in sort_groups(groups):
+        results = combine_vars(results, group.get_vars())
+
+    return results