tools: disable Gitea package push on coulombcore (read-only mirror)

IngressRoute allows GET/HEAD/OPTIONS on /v2 and /api/packages; removes
those paths from catch-all Ingress; sets zero package upload limits in
Gitea app.ini. Complements archived git repos (RAIL-HO-WP-0005).

tools/gitea-disable-package-push.sh

@@ -0,0 +1,109 @@
+#!/usr/bin/env bash
+# Disable package pushes on coulombcore Gitea while keeping pull/index (read-only mirror).
+# 1) Traefik IngressRoute: only GET/HEAD/OPTIONS on /v2 and /api/packages
+# 2) Remove those paths from the catch-all gitea Ingress (so POST does not fall through)
+# 3) Gitea app.ini: zero upload limits as defense-in-depth
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+KUBECONFIG="${KUBECONFIG:-$HOME/.kube/config}"
+NS="${GITEA_NAMESPACE:-default}"
+DRY_RUN="${DRY_RUN:-0}"
+
+run() {
+  if [[ "$DRY_RUN" == "1" ]]; then
+    echo "DRY  $*"
+  else
+    "$@"
+  fi
+}
+
+echo "=== Gitea package push disable (namespace=${NS}) ==="
+
+echo "==> Apply read-only IngressRoute for /v2 and /api/packages"
+if [[ "$DRY_RUN" == "1" ]]; then
+  echo "DRY  kubectl apply -f ${ROOT}/tools/gitea-package-readonly-ingressroute.yaml"
+else
+  kubectl apply -f "${ROOT}/tools/gitea-package-readonly-ingressroute.yaml"
+fi
+
+echo "==> Patch gitea Ingress: drop /v2 and /api/packages (handled by IngressRoute)"
+PATCH='[
+  {"op":"replace","path":"/spec/rules/0/http/paths","value":[
+    {"path":"/","pathType":"Prefix","backend":{"service":{"name":"gitea-http","port":{"number":3000}}}}
+  ]}
+]'
+if [[ "$DRY_RUN" == "1" ]]; then
+  echo "DRY  kubectl patch ingress gitea -n ${NS} --type=json -p '${PATCH}'"
+else
+  kubectl patch ingress gitea -n "$NS" --type=json -p "$PATCH"
+fi
+
+echo "==> Set Gitea package upload limits to 0 (defense-in-depth)"
+APP_INI_BLOCK='
+[packages]
+ENABLED = true
+LIMIT_TOTAL_OWNER_SIZE = 0
+LIMIT_SIZE_CONTAINER = 0
+LIMIT_SIZE_PYPI = 0
+LIMIT_SIZE_NPM = 0
+LIMIT_SIZE_GENERIC = 0
+LIMIT_SIZE_HELM = 0
+LIMIT_SIZE_MAVEN = 0
+LIMIT_SIZE_NUGET = 0
+LIMIT_SIZE_RPM = 0
+LIMIT_SIZE_DEB = 0
+LIMIT_SIZE_CONAN = 0
+LIMIT_SIZE_COMPOSER = 0
+LIMIT_SIZE_CRAN = 0
+LIMIT_SIZE_ALPINE = 0
+LIMIT_SIZE_CARGO = 0
+LIMIT_SIZE_CHEF = 0
+'
+if [[ "$DRY_RUN" == "1" ]]; then
+  echo "DRY  append [packages] zero limits to app.ini + restart gitea"
+else
+  kubectl -n "$NS" exec deploy/gitea -- sh -c '
+    ini=/data/gitea/conf/app.ini
+    if grep -q "^\[packages\]" "$ini"; then
+      echo "packages section already present — leaving app.ini unchanged"
+    else
+      cat >>"$ini" <<'"'"'EOF'"'"'
+[packages]
+ENABLED = true
+LIMIT_TOTAL_OWNER_SIZE = 0
+LIMIT_SIZE_CONTAINER = 0
+LIMIT_SIZE_PYPI = 0
+LIMIT_SIZE_NPM = 0
+LIMIT_SIZE_GENERIC = 0
+LIMIT_SIZE_HELM = 0
+LIMIT_SIZE_MAVEN = 0
+LIMIT_SIZE_NUGET = 0
+LIMIT_SIZE_RPM = 0
+LIMIT_SIZE_DEB = 0
+LIMIT_SIZE_CONAN = 0
+LIMIT_SIZE_COMPOSER = 0
+LIMIT_SIZE_CRAN = 0
+LIMIT_SIZE_ALPINE = 0
+LIMIT_SIZE_CARGO = 0
+LIMIT_SIZE_CHEF = 0
+EOF
+      echo "appended [packages] zero-limit block"
+    fi
+  '
+  kubectl -n "$NS" rollout restart deploy/gitea
+  kubectl -n "$NS" rollout status deploy/gitea --timeout=180s
+fi
+
+echo "==> Verify edge behavior"
+if [[ "$DRY_RUN" == "1" ]]; then
+  echo "DRY  curl -X POST https://gitea.coulomb.social/v2/ (expect 404)"
+else
+  sleep 3
+  post_code=$(curl -sS --max-time 15 -o /dev/null -w '%{http_code}' -X POST "https://gitea.coulomb.social/v2/" || true)
+  get_code=$(curl -sS --max-time 15 -o /dev/null -w '%{http_code}' "https://gitea.coulomb.social/v2/" || true)
+  echo "POST /v2/ -> ${post_code} (want 404/405)"
+  echo "GET  /v2/ -> ${get_code} (want 401/200)"
+fi
+
+echo "=== Done ==="

tools/gitea-package-readonly-ingressroute.yaml

@@ -0,0 +1,24 @@
+# Read-only package registry paths on coulombcore Gitea.
+# Allows GET/HEAD/OPTIONS (pull/index); blocks POST/PUT/PATCH/DELETE at the edge.
+# Apply together with tools/gitea-disable-package-push.sh (patches main Ingress).
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: gitea-packages-readonly
+  namespace: default
+  labels:
+    app.kubernetes.io/name: gitea
+    app.kubernetes.io/instance: gitea
+    app.kubernetes.io/part-of: railiance-forge
+    railiance/component: gitea-package-readonly
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`gitea.coulomb.social`) && (PathPrefix(`/v2`) || PathPrefix(`/api/packages`)) && (Method(`GET`) || Method(`HEAD`) || Method(`OPTIONS`))
+      kind: Rule
+      services:
+        - name: gitea-http
+          port: 3000
+  tls:
+    secretName: gitea-tls