diff --git a/modules/openstack_project/files/nodepool/scripts/cache_git_repos.py b/modules/openstack_project/files/nodepool/scripts/cache_git_repos.py
index 917e6600d1..f30d94cb35 100755
--- a/modules/openstack_project/files/nodepool/scripts/cache_git_repos.py
+++ b/modules/openstack_project/files/nodepool/scripts/cache_git_repos.py
@@ -19,6 +19,7 @@
 import os.path
 import re
 import shutil
+import sys
 import urllib2
 
 from common import run_local
@@ -27,9 +28,16 @@ URL = ('https://git.openstack.org/cgit/openstack-infra/config/plain/'
        'modules/openstack_project/files/review.projects.yaml')
 PROJECT_RE = re.compile('^-?\s+project:\s+(.*)$')
 
+# Not using an arg libraries in order to avoid module imports that
+# are not available across all python versions
+if len(sys.argv) > 1:
+    GIT_BASE = sys.argv[1]
+else:
+    GIT_BASE = 'git://git.openstack.org'
+
 
 def clone_repo(project):
-    remote = 'git://git.openstack.org/%s.git' % project
+    remote = '%s/%s.git' % (GIT_BASE, project)
 
     # Clear out any existing target directory first, in case of a retry.
     try:
diff --git a/modules/openstack_project/files/nodepool/scripts/prepare_node.sh b/modules/openstack_project/files/nodepool/scripts/prepare_node.sh
index 3846dc9df8..3bbf56b98b 100755
--- a/modules/openstack_project/files/nodepool/scripts/prepare_node.sh
+++ b/modules/openstack_project/files/nodepool/scripts/prepare_node.sh
@@ -22,6 +22,7 @@ THIN=$3
 PYTHON3=${4:-false}
 PYPY=${5:-false}
 ALL_MYSQL_PRIVS=${6:-false}
+GIT_BASE=${7:-git://git.openstack.org}
 
 # Save the nameservers configured by our provider.
 cat >/tmp/forwarding.conf <<EOF
@@ -42,7 +43,8 @@ if [ -f /usr/bin/yum ]; then
 fi
 wget https://git.openstack.org/cgit/openstack-infra/config/plain/install_puppet.sh
 sudo bash -xe install_puppet.sh
-sudo git clone --depth=1 git://git.openstack.org/openstack-infra/config.git \
+
+sudo git clone --depth=1 $GIT_BASE/openstack-infra/config.git \
     /root/config
 sudo /bin/bash /root/config/install_modules.sh
 if [ -z "$NODEPOOL_SSH_KEY" ] ; then
@@ -91,7 +93,7 @@ dig git.openstack.org
 
 # Cache all currently known gerrit repos.
 sudo mkdir -p /opt/git
-sudo -i python /opt/nodepool-scripts/cache_git_repos.py
+sudo -i python /opt/nodepool-scripts/cache_git_repos.py $GIT_BASE
 
 # We don't always get ext4 from our clouds, mount ext3 as ext4 on the next
 # boot (eg when this image is used for testing).