feat(sealed-secrets): add sealed secrets management scripts and configurations

eu-central-1/argo-apps/nowchess/nowchess.yaml

@@ -4,7 +4,7 @@ metadata:
   name: nowchess
   namespace: argocd
   annotations:
-    kargo.akuity.io/authorized-stage: nowchess-kargo:prod
+    kargo.akuity.io/authorized-stage: nowchess-kargo:eu-central-1-prod
 spec:
   project: default
   destination:

eu-central-1/argo-apps/sealed-secrets/sealed-secrets.yaml

@@ -0,0 +1,27 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: sealed-secrets
+  namespace: argocd
+spec:
+  project: default
+  destination:
+    namespace: kube-system
+    server: https://kubernetes.default.svc
+  sources:
+    - repoURL: https://bitnami-labs.github.io/sealed-secrets
+      chart: sealed-secrets
+      targetRevision: 2.16.1
+      helm:
+        valueFiles:
+          - $values/sealed-secrets/eu-central-1/values.yaml
+    - repoURL: git@git.janis-eccarius.de:NowChess/GitOps.git
+      path: ./sealed-secrets/eu-central-1
+      ref: values
+      targetRevision: main
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true

eu-central-1/argo-apps/secrets/secrets.yaml

@@ -0,0 +1,22 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: secrets
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "1"
+spec:
+  project: default
+  destination:
+    namespace: argocd
+    server: https://kubernetes.default.svc
+  sources:
+    - repoURL: git@git.janis-eccarius.de:NowChess/GitOps.git
+      path: ./secrets
+      targetRevision: main
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true

kargo-projects/nowchess/ncs-projectconfig.yaml

@@ -6,4 +6,4 @@ spec:
   promotionPolicies:
     - autoPromotionEnabled: true
       stageSelector:
-        name: regex:^staging|prod$
+        name: regex:^staging|eu-central-1-prod$

kargo-projects/nowchess/ncs-stage.yaml

@@ -71,7 +71,7 @@ spec:
 kind: Stage
 apiVersion: kargo.akuity.io/v1alpha1
 metadata:
-  name: prod
+  name: eu-central-1-prod
   namespace: nowchess-kargo
   annotations:
     kargo.akuity.io/color: green

scripts/seal-secrets.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+CONTROLLER_NAME="sealed-secrets"
+CONTROLLER_NS="kube-system"
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+SECRETS_DIR="$REPO_ROOT/secrets"
+
+seal_file() {
+  local f="$1"
+  local tmp="${f}.tmp"
+  kubeseal \
+    --controller-name="$CONTROLLER_NAME" \
+    --controller-namespace="$CONTROLLER_NS" \
+    --format=yaml \
+    < "$f" > "$tmp"
+  mv "$tmp" "$f"
+  echo "sealed: $f"
+}
+
+# Only seal plain Secrets (not already-sealed SealedSecrets or kustomizations)
+while IFS= read -r -d '' f; do
+  if grep -q "^kind: Secret$" "$f" 2>/dev/null; then
+    seal_file "$f"
+  fi
+done < <(find "$SECRETS_DIR" -name "*.yaml" ! -name "kustomization.yaml" -print0)
+
+echo "done — commit the sealed files and push"

sealed-secrets/eu-central-1/values.yaml

@@ -0,0 +1 @@
+fullnameOverride: sealed-secrets