heat ec2tokens auth error

[Eduardo Gonzalez]

While using scale heat scale policies, Heat is not able to auth with keystone to retrieve a valid AWS token.

2017-03-13 10:15:45.550 7 INFO heat.api.aws.ec2token [-] Checking AWS credentials..
2017-03-13 10:15:45.551 7 INFO heat.api.aws.ec2token [-] AWS credentials found, checking against keystone.
2017-03-13 10:15:45.552 7 INFO heat.api.aws.ec2token [-] Authenticating with http://119.81.251.26:5000/ec2tokens
2017-03-13 10:15:45.563 7 INFO heat.api.aws.ec2token [-] AWS authentication failure.
2017-03-13 10:15:45.564 7 INFO eventlet.wsgi.server [-] 119.81.251.25 - - [13/Mar/2017 10:15:45] "POST /v1/signal/arn%3Aopenstack%3Aheat%3A%3A2fba064fcb544f46b04276621248d387%3Astacks%2Fsdgdf%2Ff24b58a1-2b6a-4252-b67f-7f426d288b15%2Fresources%2Fnginx_scale_down_policy?Timestamp=2017-03-13T14%3A54%3A50Z&SignatureMethod=HmacSHA256&AWSAccessKeyId=d8925db4be4e430e854408efd35b51ce&SignatureVersion=2&Signature=Vu2ctasc%2FZ4KtKynPCwmI7wFwq4chTZMGHK%2FWmwog8A%3D HTTP/1.1" 403 282 0.013986

Heat should point to keystone v3 instead of auto discover version.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/444953

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/444953
Committed: https://git.openstack.org/cgit/openstack/kolla-ansible/commit/?id=de31cdc77b9f339f2876df2864503f9b708d4b7d
Submitter: Jenkins
Branch: master

commit de31cdc77b9f339f2876df2864503f9b708d4b7d
Author: Eduardo Gonzalez <email address hidden>
Date: Mon Mar 13 15:35:15 2017 +0000

    Fix heat ec2 keystone auth

    Heat-api-cfn need to point to keystone v3 version.
    Otherwise heat fail while authenticating for scaling policies.

    ``AWS authentication failure.``

    Change-Id: I1950cd7359d8ad589feced870de76f02ef2c8a76
    Closes-Bug: #1672431

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/kolla-ansible 5.0.0.0b2 development milestone.