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docs: explain recovery steps on STACKIT

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Malte Poll 2024-03-08 15:05:15 +01:00
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docs/docs/workflows/recovery.md
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@ -118,6 +118,37 @@ If this fails due to an unhealthy control plane, you will see log messages simil
This means that you have to recover the node manually. This means that you have to recover the node manually.
</tabItem>
<tabItem value="stackit" label="STACKIT">
First, open the STACKIT portal to view all servers in your project. Select individual control plane nodes `<cluster-name>-<UID>-control-plane-<UID>-<index>` and check that enough members are in a *Running* state.
Second, check the boot logs of these servers. Click on a server name and select **Overview**. Find the **Machine Setup** section and click on **Web console** > **Open console**.
In the serial console output, search for `Waiting for decryption key`.
Similar output to the following means your node was restarted and needs to decrypt the [state disk](../architecture/images.md#state-disk):
```json
{"level":"INFO","ts":"2022-09-08T10:21:53Z","caller":"cmd/main.go:55","msg":"Starting disk-mapper","version":"2.0.0","cloudProvider":"gcp"}
{"level":"INFO","ts":"2022-09-08T10:21:53Z","logger":"setupManager","caller":"setup/setup.go:72","msg":"Preparing existing state disk"}
{"level":"INFO","ts":"2022-09-08T10:21:53Z","logger":"rejoinClient","caller":"rejoinclient/client.go:65","msg":"Starting RejoinClient"}
{"level":"INFO","ts":"2022-09-08T10:21:53Z","logger":"recoveryServer","caller":"recoveryserver/server.go:59","msg":"Starting RecoveryServer"}
```
The node will then try to connect to the [*JoinService*](../architecture/microservices.md#joinservice) and obtain the decryption key.
If this fails due to an unhealthy control plane, you will see log messages similar to the following:
```json
{"level":"INFO","ts":"2022-09-08T10:21:53Z","logger":"rejoinClient","caller":"rejoinclient/client.go:77","msg":"Received list with JoinService endpoints","endpoints":["192.168.178.4:30090","192.168.178.2:30090"]}
{"level":"INFO","ts":"2022-09-08T10:21:53Z","logger":"rejoinClient","caller":"rejoinclient/client.go:96","msg":"Requesting rejoin ticket","endpoint":"192.168.178.4:30090"}
{"level":"WARN","ts":"2022-09-08T10:21:53Z","logger":"rejoinClient","caller":"rejoinclient/client.go:101","msg":"Failed to rejoin on endpoint","error":"rpc error: code = Unavailable desc = connection error: desc = \"transport: Error while dialing dial tcp 192.168.178.4:30090: connect: connection refused\"","endpoint":"192.168.178.4:30090"}
{"level":"INFO","ts":"2022-09-08T10:21:53Z","logger":"rejoinClient","caller":"rejoinclient/client.go:96","msg":"Requesting rejoin ticket","endpoint":"192.168.178.2:30090"}
{"level":"WARN","ts":"2022-09-08T10:22:13Z","logger":"rejoinClient","caller":"rejoinclient/client.go:101","msg":"Failed to rejoin on endpoint","error":"rpc error: code = Unavailable desc = connection error: desc = \"transport: Error while dialing dial tcp 192.168.178.2:30090: i/o timeout\"","endpoint":"192.168.178.2:30090"}
{"level":"ERROR","ts":"2022-09-08T10:22:13Z","logger":"rejoinClient","caller":"rejoinclient/client.go:110","msg":"Failed to rejoin on all endpoints"}
```
This means that you have to recover the node manually.
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