Files
argocd-apps/argocd/projects/platform.yaml
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unkin-agent fa1f3e7756 add ghp (GitHub proxy) deployment (#357)
## Why
Deploy `goodtune/ghp` (a GitHub proxy) so estate agents have a controlled GitHub access path. Mirrors the artifactapi app structure and the estate's templated `default` Vault convention.

## How (this PR)
- Namespace `ghp`. Runs as the namespace's auto-created `default` ServiceAccount (no custom SA).
- CNPG `Cluster` (named `postgres`, db/owner `ghp`) + dedicated `cnpg-ghp` Ceph RGW backup bucket + nightly ScheduledBackup.
- Deployment `command: ["/ghp","serve"]`; `GHP_DATABASE_DSN` assembled from the CNPG-generated `postgres-app` Secret via `$(VAR)` expansion pointing at `postgres-rw.ghp.svc`.
- **Sync-phase migrate hook Job** `ghp-migrate` (`/ghp migrate`) at sync-wave 1 so serve replicas never race migrations.
- VSO wiring on the templated `default` role: `VaultAuth` role/SA `default`; `VaultStaticSecret`s source `kv/kubernetes/namespace/ghp/default/github-app` → Secret `ghp-github-app` and `kv/kubernetes/namespace/ghp/default/app` → Secret `ghp-app`. `private_key` mounted as a file; `encryption_key` → `GHP_ENCRYPTION_KEY`.
- cert-manager `Certificate` `ghp-tls` off ClusterIssuer `vault-issuer`, SANs github.com/api.github.com/codeload.github.com/*.githubcopilot.com/ghp.k8s.syd1.au.unkin.net; mounted for `GHP_TLS_CERT_FILE`/`GHP_TLS_KEY_FILE`.
- Service (443->8443, 80->8080, metrics 9136), PDB, VMServiceScrape, internal Traefik Gateway + HTTPRoute for `ghp.k8s.syd1.au.unkin.net`.
- Sync-wave ordering: DB + VSO/cert (wave 0, wait Healthy) -> migrate Job (wave 1) -> serve Deployment + Service/Gateway/HTTPRoute (wave 2). Writable `/tmp` emptyDir on both pods (root FS is read-only).
- Registered in the `platform` ApplicationSet + AppProject.
- Validation: `kustomize build` clean, kubeconform 17/17 valid (0 skipped), yamllint + pre-commit clean.

## NOTE — prerequisites before ghp goes Healthy
- **`GHP_ADMINS` placeholder**: `apps/base/ghp/configmap.yaml` has `GHP_ADMINS: "REPLACE_ME_ben_github_username"` — set it to Ben's GitHub username.
- Ben's GitHub-App runbook + kv population at the templated paths `kv/kubernetes/namespace/ghp/default/github-app` (app_id/client_id/client_secret/private_key) and `kv/kubernetes/namespace/ghp/default/app` (encryption_key).
- tf-artifactapi #25: the `ghcr` remote pattern for pulling `ghcr/goodtune/ghp`.
- **No terraform-vault change needed** — the estate's templated `default` policy already grants read on `kv/kubernetes/namespace/<ns>/default/*` (the bespoke ghp role PR terraform-vault#120 is closed).
- DNS overrides (pointing github.com etc. at ghp) are intentionally **out of scope** — separate deferred bind-operator PR.

Assumptions flagged: metrics env var `GHP_METRICS_LISTEN`; two Secrets (`ghp-github-app` + `ghp-app`) rather than one merged Secret; DSN assumes the CNPG-generated password is URL-safe.

Reviewed-on: #357
Co-authored-by: unkin-agent <unkin-agent@unkin.net>
Co-committed-by: unkin-agent <unkin-agent@unkin.net>
2026-08-13 20:08:30 +10:00

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YAML

---
apiVersion: argoproj.io/v1alpha1
kind: AppProject
metadata:
name: platform
namespace: argocd
spec:
description: Platform infrastructure and core services
sourceRepos:
- https://git.unkin.net/unkin/argocd-apps
- https://artifactapi.k8s.syd1.au.unkin.net/api/v1/virtual/helm
- https://purelb.github.io/purelb/charts
- oci://gcr.io/k8s-staging-nfd/charts
- oci://ghcr.io/woodpecker-ci/helm/woodpecker
- oci://ghcr.io/netbox-community/netbox-chart/netbox
- oci://docker.gitea.com/charts
destinations:
- namespace: '*-system'
server: https://kubernetes.default.svc
- namespace: 'artifactapi'
server: https://kubernetes.default.svc
- namespace: 'age-api'
server: https://kubernetes.default.svc
- namespace: 'authentik'
server: https://kubernetes.default.svc
- namespace: 'bind-internal'
server: https://kubernetes.default.svc
- namespace: 'bind-external'
server: https://kubernetes.default.svc
- namespace: 'cert-manager'
server: https://kubernetes.default.svc
- namespace: 'certificates'
server: https://kubernetes.default.svc
- namespace: 'consul'
server: https://kubernetes.default.svc
- namespace: 'dhcp-system'
server: https://kubernetes.default.svc
- namespace: 'encapi'
server: https://kubernetes.default.svc
- namespace: 'externaldns'
server: https://kubernetes.default.svc
- namespace: 'ghp'
server: https://kubernetes.default.svc
- namespace: 'gitea'
server: https://kubernetes.default.svc
- namespace: 'jfrog'
server: https://kubernetes.default.svc
- namespace: 'kanidm'
server: https://kubernetes.default.svc
- namespace: 'netbox'
server: https://kubernetes.default.svc
- namespace: 'node-feature-discovery'
server: https://kubernetes.default.svc
- namespace: 'pdbmux'
server: https://kubernetes.default.svc
- namespace: 'priority-classes'
server: https://kubernetes.default.svc
- namespace: 'purelb'
server: https://kubernetes.default.svc
- namespace: 'puppet'
server: https://kubernetes.default.svc
- namespace: 'reposync'
server: https://kubernetes.default.svc
- namespace: 'vault'
server: https://kubernetes.default.svc
- namespace: 'woodpecker'
server: https://kubernetes.default.svc
clusterResourceWhitelist:
- group: ''
kind: Namespace
- group: 'rbac.authorization.k8s.io'
kind: ClusterRole
- group: 'rbac.authorization.k8s.io'
kind: ClusterRoleBinding
- group: 'apiextensions.k8s.io'
kind: CustomResourceDefinition
- group: 'admissionregistration.k8s.io'
kind: MutatingWebhookConfiguration
- group: 'admissionregistration.k8s.io'
kind: ValidatingWebhookConfiguration
- group: 'scheduling.k8s.io'
kind: PriorityClass
- group: 'purelb.io'
kind: '*'
- group: 'nfd.k8s-sigs.io'
kind: NodeFeatureRule
- group: 'deviceplugin.intel.com'
kind: '*'
- group: 'cert-manager.io'
kind: Certificate
- group: 'cert-manager.io'
kind: Issuer
- group: 'cert-manager.io'
kind: ClusterIssuer
- group: 'gateway.networking.k8s.io'
kind: GatewayClass
- group: 'networking.k8s.io'
kind: IngressClass
namespaceResourceWhitelist:
- group: '*'
kind: '*'