From 89db22f1eb84e25b8a78d3784f06e1b801554ebe Mon Sep 17 00:00:00 2001
From: Tero Halla-aho <thallaa@gmail.com>
Date: Sun, 14 Dec 2025 00:33:46 +0200
Subject: [PATCH] Add helper to show latest registry image and deployed
 versions

---
 deploy/README.md          |  1 +
 scripts/check-versions.sh | 96 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100755 scripts/check-versions.sh

diff --git a/deploy/README.md b/deploy/README.md
index 31da2fe..8d0608a 100644
--- a/deploy/README.md
+++ b/deploy/README.md
@@ -20,6 +20,7 @@ Deploy commands
 - Test: `./deploy/deploy-test.sh`
 - Staging (default): `./deploy/deploy-staging.sh` or `TARGET=staging ./deploy/deploy.sh`
 - Prod: `./deploy/deploy-prod.sh`
+- Check running versions vs registry: `./scripts/check-versions.sh` (needs docker + registry creds and kubeconfig).
 
 Notes
 - Ensure `deploy/.last-image` exists (run `deploy/build.sh` first).
diff --git a/scripts/check-versions.sh b/scripts/check-versions.sh
new file mode 100755
index 0000000..e4195d4
--- /dev/null
+++ b/scripts/check-versions.sh
@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Helper: print registry "latest" tag digest and show which image each environment is running.
+# - Uses docker manifest inspect to read digests.
+# - Uses kubectl to read the deployed container image per namespace.
+# - Relies on deploy/env.sh for registry/repo/namespaces; will load secrets for registry auth if available.
+#
+# Usage: ./scripts/check-versions.sh
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+# shellcheck source=/dev/null
+source "$ROOT_DIR/deploy/env.sh"
+
+# Load secrets (for REGISTRY_USERNAME/PASSWORD) if present.
+if [[ -f "$ROOT_DIR/scripts/load-secrets.sh" ]]; then
+  # shellcheck source=/dev/null
+  source "$ROOT_DIR/scripts/load-secrets.sh" >/dev/null 2>&1 || true
+fi
+
+# Prefer repo kubeconfig if none set.
+if [[ -z "${KUBECONFIG:-}" && -f "$ROOT_DIR/creds/kubeconfig.yaml" ]]; then
+  export KUBECONFIG="$ROOT_DIR/creds/kubeconfig.yaml"
+fi
+
+login_registry() {
+  if [[ -n "${REGISTRY_USERNAME:-}" && -n "${REGISTRY_PASSWORD:-}" ]]; then
+    docker login "$REGISTRY" -u "$REGISTRY_USERNAME" -p "$REGISTRY_PASSWORD" >/dev/null 2>&1 || true
+  fi
+}
+
+manifest_digest() {
+  local image="$1"
+  local out
+  out="$(
+    { docker manifest inspect "$image" 2>/dev/null | python3 - <<'PY'
+import json,sys
+try:
+    raw=sys.stdin.read().strip()
+    if not raw:
+        raise SystemExit
+    data=json.loads(raw)
+except Exception:
+    raise SystemExit
+# Prefer amd64 manifest when multi-arch.
+if "manifests" in data:
+    m=[m for m in data["manifests"] if m.get("platform",{}).get("architecture")=="amd64"]
+    if not m:
+        m=data["manifests"]
+    if m:
+        print(m[0].get("digest",""))
+elif "config" in data and "digest" in data["config"]:
+    print(data["config"]["digest"])
+PY
+    } || true
+  )"
+  echo "$out"
+}
+
+get_deployed_image() {
+  local namespace="$1"
+  kubectl -n "$namespace" get deploy "$DEPLOYMENT_NAME" -o jsonpath='{.spec.template.spec.containers[?(@.name=="'"$DEPLOYMENT_NAME"'")].image}' 2>/dev/null || true
+  echo
+}
+
+login_registry
+
+LATEST_IMAGE="${REGISTRY}/${REGISTRY_REPO}:latest"
+LATEST_DIGEST="$(manifest_digest "$LATEST_IMAGE")"
+
+echo "Registry latest: $LATEST_IMAGE"
+echo "  digest: ${LATEST_DIGEST:-n/a (docker unavailable or unauthorized)}"
+if [[ -f "$ROOT_DIR/deploy/.last-image" ]]; then
+  echo "Local last built: $(cat "$ROOT_DIR/deploy/.last-image")"
+fi
+echo
+
+for row in "testing:$TEST_NAMESPACE" "staging:$STAGING_NAMESPACE" "prod:$PROD_NAMESPACE"; do
+  env_name="${row%%:*}"
+  ns="${row##*:}"
+  img="$(get_deployed_image "$ns")"
+  if [[ -z "$img" ]]; then
+    echo "Env $env_name ($ns): no image found (missing deploy?)"
+    continue
+  fi
+  digest="$(manifest_digest "$img")"
+  match="no"
+  if [[ -n "$LATEST_DIGEST" && -n "$digest" && "$LATEST_DIGEST" == "$digest" ]]; then
+    match="yes"
+  fi
+  echo "Env $env_name ($ns):"
+  echo "  image:  $img"
+  echo "  digest: ${digest:-n/a}"
+  echo "  matches latest: $match"
+done