Bug 2228077 - [OSP 16] heat stack fails while nova continues to create vms in the background
Summary: [OSP 16] heat stack fails while nova continues to create vms in the background
Keywords:
Status: NEW
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-nova
Version: 16.2 (Train)
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: ---
: ---
Assignee: OSP DFG:Compute
QA Contact: OSP DFG:Compute
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-08-01 10:32 UTC by Flavio Piccioni
Modified: 2023-08-08 08:53 UTC (History)
8 users (show)

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System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker OSP-27096 0 None None None 2023-08-01 10:34:11 UTC
Red Hat Issue Tracker OSP-27097 0 None None None 2023-08-01 10:34:05 UTC

Description Flavio Piccioni 2023-08-01 10:32:39 UTC 
Description of problem:
Customer is trying to onboard NFV workloads creating vms using heat.
Expected target is to create 100vms at once, but currently the stack is failing trying to create 50vms at once


2023-08-01 08:59:02Z [centos_temp_50_VMs.vm_20]: CREATE_FAILED  ClientException: resources.vm_20: Unknown Error (HTTP 504)
2023-08-01 08:59:02Z [centos_temp_50_VMs]: CREATE_FAILED  Resource CREATE failed: ClientException: resources.vm_20: Unknown Error (HTTP 504)


Version-Release number of selected component (if applicable):
RHOSP 16.2.5 (Juniper's Contrail env)

How reproducible:
Run a stack that creates 50vms at time

Actual results:
The stack fails, but the vms building process continue in background 


Expected results:
100vms stack to succeed

Additional info:
Trying to create a smaller stack (30vms) stack succeed.
We tried tuning haproxy's "timeout  check" from 10 to 30 seconds with no luck
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