feat(vault): deploy HashiCorp Vault 2.0.1 with raft HA (5 replicas)

StatefulSet with templated PVC (cephrbd-fast-delete, 10Gi), headless service for raft cluster communication, HTTPS gateway (443→8200), and kubernetes provider retry_join for automatic cluster formation.
2026-05-23 18:22:25 +10:00
parent dcea768c15
commit eef4c2cd49
13 changed files with 307 additions and 0 deletions
@@ -0,0 +1,110 @@
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: vault
+  namespace: vault
+  labels:
+    app.kubernetes.io/name: vault
+    app.kubernetes.io/instance: vault
+    app.kubernetes.io/version: 2.0.1
+spec:
+  serviceName: vault-internal
+  replicas: 5
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: vault
+      app.kubernetes.io/instance: vault
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: vault
+        app.kubernetes.io/instance: vault
+        app.kubernetes.io/version: 2.0.1
+    spec:
+      serviceAccountName: vault
+      terminationGracePeriodSeconds: 10
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                topologyKey: kubernetes.io/hostname
+                labelSelector:
+                  matchLabels:
+                    app.kubernetes.io/name: vault
+      containers:
+        - name: vault
+          image: hashicorp/vault:2.0.1
+          command:
+            - vault
+            - server
+            - -config=/vault/config
+          ports:
+            - name: api
+              containerPort: 8200
+              protocol: TCP
+            - name: cluster
+              containerPort: 8201
+              protocol: TCP
+          env:
+            - name: POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+            - name: VAULT_ADDR
+              value: "http://127.0.0.1:8200"
+            - name: VAULT_API_ADDR
+              value: "http://$(POD_IP):8200"
+            - name: VAULT_CLUSTER_ADDR
+              value: "http://$(POD_IP):8201"
+            - name: VAULT_RAFT_NODE_ID
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: SKIP_SETCAP
+              value: "true"
+          readinessProbe:
+            httpGet:
+              path: /v1/sys/health?standbyok=true&sealedok=true&uninitok=true
+              port: 8200
+              scheme: HTTP
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            failureThreshold: 3
+          livenessProbe:
+            httpGet:
+              path: /v1/sys/health?standbyok=true&sealedok=true&uninitok=true
+              port: 8200
+              scheme: HTTP
+            initialDelaySeconds: 60
+            periodSeconds: 30
+            failureThreshold: 3
+          resources:
+            requests:
+              cpu: 100m
+              memory: 256Mi
+            limits:
+              cpu: 1000m
+              memory: 2Gi
+          volumeMounts:
+            - name: data
+              mountPath: /vault/data
+            - name: config
+              mountPath: /vault/config
+      volumes:
+        - name: config
+          configMap:
+            name: vault-config
+  volumeClaimTemplates:
+    - metadata:
+        name: data
+        labels:
+          app.kubernetes.io/name: vault
+          app.kubernetes.io/instance: vault
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        storageClassName: cephrbd-fast-delete
+        resources:
+          requests:
+            storage: 10Gi