Support GCP CloudSQL proxy

[mrsimonemms]

Description

Support GCP CloudSQL. Also change the config so the external DB is provider-agnostic

Related Issue(s)

Fixes #6562

How to test

Set up MySQL DB in GCP

Create secret with following keys:

• credentials.json - service account to access DB
• encryptionKeys - use [{"name": "general","version": 1,"primary": true,"material": "4uGh1q8y2DYryJwrVMHs0kWXJlqvHWWt/KJuNi04edI="}]
• username - whatever you set up in GCP
• password - ditto

Change config to:

database:
  cloudSQL:
    serviceAccount:
      kind: secret
      name: <secretName>
    instance: <projected>:<region>:<dbName>

Release Notes

Add support for GCP CloudSQL

Documentation

[codecov]

Codecov Report

Merging #6606 (2662388) into main (e3ab9d7) will decrease coverage by 13.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main   #6606       +/-   ##
==========================================
- Coverage   19.04%   6.00%   -13.05%     
==========================================
  Files           2      12       +10     
  Lines         168    1116      +948     
==========================================
+ Hits           32      67       +35     
- Misses        134    1048      +914     
+ Partials        2       1        -1     

Flag	Coverage Δ
components-local-app-app-linux-amd64	?
components-local-app-app-linux-arm64	?
components-local-app-app-windows-386	?
components-local-app-app-windows-amd64	?
components-local-app-app-windows-arm64	?
installer-raw-app	6.00% <0.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
installer/pkg/common/common.go	4.74% <0.00%> (ø)
components/local-app/pkg/auth/pkce.go
components/local-app/pkg/auth/auth.go
installer/pkg/components/ws-manager/deployment.go	0.00% <0.00%> (ø)
...components/ws-manager/unpriviledged-rolebinding.go	0.00% <0.00%> (ø)
installer/pkg/common/objects.go	0.00% <0.00%> (ø)
installer/pkg/components/ws-manager/role.go	0.00% <0.00%> (ø)
installer/pkg/common/display.go	0.00% <0.00%> (ø)
installer/pkg/common/render.go	0.00% <0.00%> (ø)
... and 5 more

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[csweichel]

It would also be cool to have a secret validation in place akin to the certificates check.

That said, both comments in this PR can come in later and don't need to be part of this PR. I'd be happy to merge this way (just remove the hold), or add to this PR.

Did not actually test change, but code lgtm.

/hold
/lgtm

[csweichel]

We could - not necessarily in this PR - move this script (these scripts) to something like pkg/components/database/init

[mrsimonemms]

Possible, but the init scripts are subtly different.

[roboquat]

LGTM label has been added.

Git tree hash: ed4a33285ff24abfadf954dd2a0c7b267ed75a55

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: csweichel

Associated issue: #6562

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• installer/OWNERS [csweichel]

Approvers can indicate their approval by writing /approve in a comment
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[mrsimonemms]

/hold cancel