Heat set the incorrect ca file argument for ceilometer client

[zhu zhu]

When ceilometer is configured with SSL, found heat fail to connect to it using ca cert.

Found that the code below have incorrect argument set. 'ca_file' should be 'cacert' instead.

https://github.com/openstack/heat/blob/master/heat/engine/clients/os/ceilometer.py#L37

See ceilometerclient code:
https://github.com/openstack/python-ceilometerclient/blob/master/ceilometerclient/v2/client.py#L53

[Jeff Peeler (jpeeler-z)]

Not sure I understand why this got assigned to me. The review is in progress here:

https://review.openstack.org/134158

[Jeff Peeler (jpeeler-z)]

I forgot that I updated the commit message.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/134158
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=72d0313fab470534d2cffb6c7b8a6c311d68740c
Submitter: Jenkins
Branch: master

commit 72d0313fab470534d2cffb6c7b8a6c311d68740c
Author: ZHU ZHU <email address hidden>
Date: Thu Nov 13 04:39:04 2014 -0600

    Fix incorrect ca argument for heat ceilometer client

    Currently Heat ceilometer client are passing the wrong ca argument
    during client instantiation. It will cause heat fail to connect to ceilometer
    if it's configured with SSL.

    https://github.com/openstack/python-ceilometerclient/blob/master/ceilometerclient/v2/client.py#L53

    Closes-bug: #1391792

    Change-Id: Ib32dfede0ece78bc39e0cab213cb51df8eb62eb6