DEBUG (connectionpool) "POST /v2.0/tokens HTTP/1.1" 200 1056
WARNING (shell) "heat stack-list" is deprecated, please use "openstack stack list" instead
INFO (connectionpool) Starting new HTTP connection (1): 10.1.62.168
DEBUG (connectionpool) "GET /v1/7975bd079afc4666851dde121efc933f/stacks HTTP/1.1" 504 None
DEBUG (session) RESP: [504] Cache-Control: no-cache Connection: close Content-Type: text/html
RESP BODY: <html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>
I am getting the above trying to access heat or load a heat template. Neutron and other services work just fine. BTW, I only have a single controller node so I don't see how pacemaker could be an issue. Are there logs I can check?