On Tue, Mar 10, 2015 at 10:47:10AM +0000, Srujana C P wrote: > Hi, > > I would like to explore on auto scaling functionality of heat. So I have > started with sample word press template available. It could create a > stack(alarms, instance, etc., ). However, alarm is not getting triggered > whenever I put stress on it. The alarm_action assigned to the alarm created > from the template is > Alarm_action : > http://<MY_IP>:8000/v1/signal/arn%3Aopenstack%3Aheat%3A%3Aec3e93810a7c4be2881bd7ede428526a%3Astacks%2Fsrujana1%2Fc0b5862f-f3e6-4fa8-a6ef-f2cf321a70bb%2Fresources%2Fweb_server_scaledown_policy?Timestamp=2<http://%3cMY_IP%3e:8000/v1/signal/arn%3Aopenstack%3Aheat%3A%3Aec3e93810a7c4be2881bd7ede428526a%3Astacks%2Fsrujana1%2Fc0b5862f-f3e6-4fa8-a6ef-f2cf321a70bb%2Fresources%2Fweb_server_scaledown_policy?Timestamp=2> > > 015-03-10T03%3A56%3A36Z&SignatureMethod=HmacSHA256&AWSAccessKeyId=3013823c3d564433b32c81c4bff2c638&SignatureVersion=2&Signature=CWLhRKiwRPOT1P88i0AH8SaeY%2FA4QTQqMtkwY0gkZno%3D > > This alarm_url is not doing required scaling action. So, in order to confirm > whether the alarm has been hit, I just modified alarm action with some script > url. I could see the script got executed. > > Can someone please help me on below queries > > 1. How this alarm_url got generated?
alarm_url is generated internally in Heat as an attribute for the ScalingPolicy resource. The alarm_url encodes a request to the CFN API endpoint. > 2. Why this has AWSAccesskeyId details? To which access key it is > referring to? Those are parameters for authenticating to the CFN API (heat-cfn-api), or more precisely, parameters for authentication with ec2-token middleware. Not very relevant to your problem at hand. > 3. What changes need to be done to execute the above mentioned alarm > url? That is something you may want to investigate. It seems to me that your alarm_url contains a weird IP. > 4. How to configure heat to authenticate with Openstack? Don't understand this question. Maybe the alarm_url above is confusing so you are wondering if Heat is using Keystone for authentication? If that is the question, the answer is yes. But for some historical reasons, there are still other paths left there for compatibility's purposes. > Any help on this would be very thankful. > > Thanks, > Srujana > > > DISCLAIMER > ========== > This e-mail may contain privileged and confidential information which is the > property of Persistent Systems Ltd. It is intended only for the use of the > individual or entity to which it is addressed. If you are not the intended > recipient, you are not authorized to read, retain, copy, print, distribute or > use this message. If you have received this communication in error, please > notify the sender and delete all copies of this message. Persistent Systems > Ltd. does not accept any liability for virus infected mails. > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
