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Create Kubernetes ingress for tools running on the grid engine to remove dynamicproxy
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Description

To get rid of dynamicproxy (which is currently a SPOF) before the grid is fully shut down, we could route traffic to tools running on the grid via the kubernetes ingress. We can have webservice-runner create a manual Service object with its endpoint configured and and Ingress object to route the traffic to it like we do for tools running in Kubernetes. After that we should be able to remove dynamicproxy by either removing the lua routing from nginx or by moving TLS termination to the haproxy nodes and skipping the proxy nodes entirely.

Event Timeline

Majavah triaged this task as Medium priority.

Change 697096 had a related patch set uploaded (by Majavah; author: Majavah):

[operations/software/tools-webservice@master] Route Grid engine web requests via Kubernetes

https://gerrit.wikimedia.org/r/697096

Mentioned in SAL (#wikimedia-cloud) [2021-06-14T21:29:19Z] <bstorm> deploy package with the staged patch to switch away from os.execv to QA in toolsbeta as toollabs-webservice version 0.75 T282975

Mentioned in SAL (#wikimedia-cloud) [2021-06-14T22:21:28Z] <bstorm> push docker-registry.tools.wmflabs.org/toolforge-python37-sssd-web:testing to test staged os.execv (and other patches) using toolsbeta toollabs-webservice version 0.75 T282975