Open Stack

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?

2.       Why this has AWSAccesskeyId details? To which access key it is referring to?

3.       What changes need to be done to execute the above mentioned alarm url?

4.       How to configure heat to authenticate with Openstack?

Any help on this would be very thankful.

Thanks,
Srujana


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