Use External Secrets

helm/.gitignore

@@ -0,0 +1 @@
+charts/

helm/external-secrets/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+helmCharts:
+- name: external-secrets
+  valuesInline:
+    fullnameOverride: external-secrets # otherwise all resource names are inexplicably prefixed with "release-name-"
+    bitwarden-sdk-server:
+      enabled: false # default, bitwarden-sdk-server doesn't work with vaultwarden (https://github.com/external-secrets/bitwarden-sdk-server/issues/18)
+  namespace: external-secrets
+  version: v0.10.0
+  repo: https://charts.external-secrets.io

helm/render-all.sh

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+#!/bin/bash
+# Usage: from the git root directory (../ relative to this file)
+#  podman run -v $(pwd):/repo --workdir /repo/helm nixery.dev/shell/kubectl/kubernetes-helm sh -c ./render-all.sh
+set -exuo pipefail
+
+header="# DO NOT EDIT: This file has been automatically generated by the script in helm/render-all.sh, edits may get overwritten"
+
+echo "${header}" > ../k8s/operators/external-secrets/bundle.yaml
+kubectl kustomize --enable-helm external-secrets/ >> ../k8s/operators/external-secrets/bundle.yaml

k8s/operators/cert-manager/kustomization.yaml

@@ -3,7 +3,6 @@ kind: Kustomization
 # namespace: cert-manager
 resources:
   - https://github.com/cert-manager/cert-manager/releases/download/v1.15.2/cert-manager.yaml
-  - secrets.yaml
   - pdns-hook.yaml
   - letsencrypt.yaml
   - selfsigned.yaml

k8s/operators/external-secrets/bitwarden.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: bitwarden-cli
+  namespace: external-secrets
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: bitwarden-cli
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: bitwarden-cli
+    spec:
+      containers:
+        - name: bitwarden-cli
+          image: ghcr.io/charlesthomas/bitwarden-cli:2024.7.2
+          imagePullPolicy: IfNotPresent
+          envFrom:
+            - secretRef:
+                name: bitwarden
+          resources:
+            limits:
+              cpu: 500m
+              memory: 500Mi
+          ports:
+            - name: http
+              containerPort: 8087
+              protocol: TCP
+          livenessProbe:
+            exec:
+              command:
+                - wget
+                - -q
+                - http://127.0.0.1:8087/sync?force=true
+                - --post-data=''
+            initialDelaySeconds: 20
+            failureThreshold: 3
+            timeoutSeconds: 10
+            periodSeconds: 120
+          readinessProbe:
+            tcpSocket:
+              port: 8087
+            initialDelaySeconds: 20
+            failureThreshold: 3
+            timeoutSeconds: 1
+            periodSeconds: 10
+          startupProbe:
+            tcpSocket:
+              port: 8087
+            initialDelaySeconds: 10
+            failureThreshold: 30
+            timeoutSeconds: 1
+            periodSeconds: 5
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: bitwarden-cli
+  namespace: external-secrets
+spec:
+  type: ClusterIP
+  ports:
+  - port: 8087
+    targetPort: http
+    protocol: TCP
+    name: http
+  selector:
+    app.kubernetes.io/name: bitwarden-cli
+---
+kind: NetworkPolicy
+apiVersion: networking.k8s.io/v1
+metadata:
+  namespace: external-secrets
+  name: external-secret-2-bw-cli
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: bitwarden-cli
+  ingress:
+  - from:
+      - podSelector:
+          matchLabels:
+            app.kubernetes.io/name: external-secrets
+---
+apiVersion: external-secrets.io/v1beta1
+kind: ClusterSecretStore
+metadata:
+  name: bitwarden-login
+spec:
+  provider:
+    webhook:
+      url: "http://bitwarden-cli:8087/object/item/{{ .remoteRef.key }}"
+      headers:
+        Content-Type: application/json
+      result:
+        jsonPath: "$.data.login.{{ .remoteRef.property }}"
+---
+apiVersion: external-secrets.io/v1beta1
+kind: ClusterSecretStore
+metadata:
+  name: bitwarden-fields
+spec:
+  provider:
+    webhook:
+      url: "http://bitwarden-cli:8087/object/item/{{ .remoteRef.key }}"
+      result:
+        jsonPath: "$.data.fields[?@.name==\"{{ .remoteRef.property }}\"].value"
+---
+apiVersion: external-secrets.io/v1beta1
+kind: ClusterSecretStore
+metadata:
+  name: bitwarden-notes
+spec:
+  provider:
+    webhook:
+      url: "http://bitwarden-cli:8087/object/item/{{ .remoteRef.key }}"
+      result:
+        jsonPath: "$.data.notes"
+---
+apiVersion: external-secrets.io/v1beta1
+kind: ClusterSecretStore
+metadata:
+  name: bitwarden-attachments
+spec:
+  provider:
+    webhook:
+      url: "http://bitwarden-cli:8087/object/attachment/{{ .remoteRef.property }}?itemid={{ .remoteRef.key }}"
+      result: {}

k8s/operators/external-secrets/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: external-secrets
+resources:
+  - namespace.yaml
+  - bundle.yaml
+  - bitwarden.yaml

k8s/operators/external-secrets/namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: external-secrets