From 8c152634124bde21c2c0a6d52861dccba5ff9e4e Mon Sep 17 00:00:00 2001
From: Corey Bryant <corey.bryant@canonical.com>
Date: Wed, 6 May 2015 19:46:38 +0000
Subject: [PATCH] Sync charm-helpers

---
 hooks/charmhelpers/contrib/openstack/utils.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/hooks/charmhelpers/contrib/openstack/utils.py b/hooks/charmhelpers/contrib/openstack/utils.py
index 5909b0f5..6d91490e 100644
--- a/hooks/charmhelpers/contrib/openstack/utils.py
+++ b/hooks/charmhelpers/contrib/openstack/utils.py
@@ -655,3 +655,18 @@ def git_src_dir(projects_yaml, project):
             return os.path.join(parent_dir, os.path.basename(p['repository']))
 
     return None
+
+
+def git_http_proxy(projects_yaml):
+    """
+    Return the http_proxy value if it is specified in projects_yaml.
+    """
+    if not projects_yaml:
+        return
+
+    projects = yaml.load(projects_yaml)
+
+    if 'http_proxy' in projects.keys():
+        return projects['http_proxy']
+
+    return None