Reliability and Observability for k8s runner-managers
Provision and configure the gitlab-runner that will execute CI/CD jobs using docker+machine VMs, similar to the current hosted runners.
## Work Items
### Runner-manager
- [x] Clean up unused secrets from [Vault](https://vault.gitlab.net/ui/vault/secrets-engines/k8s/kv/list/env/r-saas-l-p-amd64/).
- [x] Delete [env/r-saas-l-p-amd64/gitlab-runner/gcs-cache](https://vault.gitlab.net/ui/vault/secrets-engines/k8s/kv/env%2Fr-saas-l-p-amd64%2Fgitlab-runner%2Fgcs-cache).
- [x] Upgrade the chart to >0.88.2 :point_right: https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2442
- [x] Convert configs to use `configOverride` after https://gitlab.com/gitlab-org/charts/gitlab-runner/-/merge_requests/544+ :point_right: https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2481+
- [x] Delete the `runner-registration-token` from [env/r-saas-l-p-amd64/gitlab-runner/runner](https://vault.gitlab.net/ui/vault/secrets-engines/k8s/kv/env%2Fr-saas-l-p-amd64%2Fgitlab-runner%2Frunner/details?version=2)
- [x] Re-add sentry secrets after [sentry DSN env support](https://gitlab.com/gitlab-org/gitlab-runner/-/merge_requests/6899) :point_right: https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2617+
- [x] Deploy `gitlab-runner` via ArgoCD
- [x] GCP Credentials and network access workload cluster
- [x] ~~Kubernetes~~ docker+machine executor
- [x] Sufficient job timeouts and termination grace periods :point_right: https://gitlab.com/gitlab-org/charts/gitlab-runner/-/merge_requests/546 and https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/1780
- [x] Tune concurrency to a low value so that we can limit how much of the job volume we get
- [x] Validate zero-downtime deployments
- [x] https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2609+
- [x] https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2610+
- [x] Enable [docker-machine drain](https://gitlab.com/gitlab-org/gitlab-runner/-/merge_requests/6330) :point_right: https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2616+
- [ ] Observability:
- [x] Single vs Multi-tenant decision + add recording rules
- [x] https://ops.gitlab.net/gitlab-com/gl-infra/config-mgmt/-/merge_requests/14672
- [x] https://ops.gitlab.net/gitlab-com/gl-infra/config-mgmt/-/merge_requests/14685
- [x] https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2557+
- [x] https://gitlab.com/gitlab-com/runbooks/-/merge_requests/10985+
- [x] https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2612+
- [x] Send logs to Kibana
- [x] Add new dedicated SA :point_right: https://ops.gitlab.net/gitlab-com/gl-infra/config-mgmt/-/merge_requests/14631
- [x] Enable logging on the runner-manager :point_right: https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2534+
- [x] Fix the missing labels :point_right: https://gitlab.com/gitlab-com/gl-infra/argocd/apps/-/merge_requests/2556+
- [ ] wiz sensor support
- [x] Register group-level runner managers
### Workloads
- [ ] Create a k8s cluster in the QA project
- [ ] Create a shard for QA runners in ArgoCD
- [ ] Gradual workload migration
epic