Draft: Update zoekt to 0.8.1

What does this MR do?

This MR updates gitlab-zoekt to 0.8.1 to fix GitLab.com Chart Bump failing in staging due to... (gitlab-com/gl-infra/delivery#19793 - closed)

The problem appears when gitlab-zoekt goes from 0.7.0 to 0.8.0 if the LoadBalancer is set.

Screenshots or screen recordings

Click to expand

How to test

1. Obtain an internal IP address in GCP and set it with export INTERNAL_IP=<INTERNAL_IP>
2. Set gitlab-zoekt chart version to 0.7.0 in requirements.yaml
3. Run helm dependency update
4. Install the helm chart with

helm install gitlab . \
--set certmanager-issuer.email=email@example.com \
--set gitlab-zoekt.install=true \
--set gitlab-zoekt.service.type=LoadBalancer \
--set gitlab-zoekt.service.loadBalancerIP=$INTERNAL_IP

4. Set gitlab-zoekt chart version to 0.8.0 in requirements.yaml
5. Run helm dependency update
6. Upgrade the helm chart

helm upgrade gitlab . \
--set certmanager-issuer.email=email@example.com \
--set gitlab-zoekt.install=true \
--set gitlab-zoekt.service.type=LoadBalancer \
--set gitlab-zoekt.service.loadBalancerIP=$INTERNAL_IP

7. Ensure that it fails with spec.clusterIPs[0]: Invalid value: []string{"None"}: may not change once set
8. Set gitlab-zoekt chart version to 0.8.1 in requirements.yaml
9. Run helm dependency update
10. Upgrade the helm chart

helm upgrade gitlab . \
--set certmanager-issuer.email=email@example.com \
--set gitlab-zoekt.install=true \
--set gitlab-zoekt.service.type=LoadBalancer \
--set gitlab-zoekt.service.loadBalancerIP=$INTERNAL_IP

Related issues

gitlab-com/gl-infra/delivery#19793 (closed)

Author checklist

See Definition of done.

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Required

• Merge Request Title and Description are up to date, accurate, and descriptive
• MR targeting the appropriate branch
• MR has a green pipeline on GitLab.com
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Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• Documentation created/updated
• Tests added/updated
• Integration tests added to GitLab QA
• Equivalent MR/issue for omnibus-gitlab opened
• Equivalent MR/issue for Gitlab Operator project opened (see Operator documentation on impact of Charts changes)
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