feat: reverse proxying for local k8s dev #2880
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Ensure that ssh keys are generated only once on the garden startup. Ensure that ssh keys are generated only once on the garden startup.
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Orzelius
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May 11, 2022
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Alternative PR (with the same contents) is #2949 - it has the squashed changes and only 3 commits. I'll likely use the new branch local-mode-with-reverse-k8s-proxy as a root feature branch and will create a few more PRs targeted to that branch with some further changes and fixes. |
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Closing this is favour of #2949 |
This was referenced Nov 28, 2023
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What this PR does / why we need it:
This PR implements a "replacement" of a Garden service (or a few services) running in a k8s cluster with a locally deployed application (or a few applications).
In order to achieve this, the target container in the k8s cluster is replaced with a proxy container that runs an ssh server. First, the Garden app starts an SSH tunnel between the local service and the proxy container using
kubectl port-forwardcommand. Next, it starts a reverse-port-forwarding withsshbetween the remote proxy container's exposed port and the local app's port withsshcommand.The Garden supports the new
local-modeoption indeploycommand and the newlocalModeconfiguration entry. It allows running a Garden service in "local mode". It means running the application locally and connecting it to the k8s cluster via a proxy container.See https://github.com/garden-io/garden/blob/reverse-proxying-for-local-k8s-dev/docs/guides/running-service-in-local-mode.md for more details.