hook-ansible miss caused AttributeError

[Haiwei Xu]

When testing the software-config example-ansible-template.yaml, got this error in os-collect-config.log

03-26 08:35:51,310] (heat-config) [DEBUG] Running ansible-playbook -i localhost, /var/lib/heat-config/heat-config-ansible/a9c3193d-d71a-4576-b4cd-875477bd21fe_playbook.yaml --extra-vars @/var/lib/heat-config/heat-config-ansible/a9c3193d-d71a-4576-b4cd-875477bd21fe_variables.json
Mar 26 08:35:51 ansible-inst os-collect-config: Traceback (most recent call last):
Mar 26 08:35:51 ansible-inst os-collect-config: File "/var/lib/heat-config/hooks/ansible", line 117, in <module>
Mar 26 08:35:51 ansible-inst os-collect-config: sys.exit(main(sys.argv))
Mar 26 08:35:51 ansible-inst os-collect-config: File "/var/lib/heat-config/hooks/ansible", line 79, in main
Mar 26 08:35:51 ansible-inst os-collect-config: stderr=subprocess.PIPE)
Mar 26 08:35:51 ansible-inst os-collect-config: File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
Mar 26 08:35:51 ansible-inst os-collect-config: errread, errwrite)
Mar 26 08:35:51 ansible-inst os-collect-config: File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
Mar 26 08:35:51 ansible-inst os-collect-config: raise child_exception
Mar 26 08:35:51 ansible-inst os-collect-config: AttributeError: 'list' object has no attribute 'rfind'
Mar 26 08:35:51 ansible-inst os-collect-config:
Mar 26 08:35:51 ansible-inst os-collect-config: [2015-03-26 08:35:51,363] (heat-config) [ERROR] Error running /var/lib/heat-config/hooks/ansible. [1]

This is caused by the hook-ansible.py's miss in heat-config-ansible element

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/167920
Committed: https://git.openstack.org/cgit/openstack/heat-templates/commit/?id=faaf253b2fc5531dfe17a3f325a736ba0b2f4b47
Submitter: Jenkins
Branch: master

commit faaf253b2fc5531dfe17a3f325a736ba0b2f4b47
Author: Haiwei Xu <email address hidden>
Date: Thu Mar 26 17:28:19 2015 +0900

    Fix AttributeError caused by hook-ansible

    Currently a python miss in hook-ansible causes AttributeError,
    which will stop the ansible config being deployed.

    Change-Id: I33918424d664dfbe1d9471f0ac80b2a3c974f4d0
    Closes-Bug: #1436740