QHx Proxy Central Notary Configuration

This guide shows an example configuration of a central QHx Proxy notary instance. This configuration supports notarization of HTTP requests using the OpenAI inference API in conjunction with client and server mode proxy sidecars.

---
apiVersion: v1
kind: Namespace
metadata:
  name: qhx-notary
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: notary
  namespace: qhx-notary
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: pod-reader
rules:
  - apiGroups: [""]
    resources: ["pods"]
    verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: notary-pod-reader
subjects:
  - kind: ServiceAccount
    name: notary
    namespace: qhx-notary
roleRef:
  kind: ClusterRole
  name: pod-reader
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: notary
  namespace: qhx-notary
  labels:
    app: notary
spec:
  replicas: 1
  selector:
    matchLabels:
      app: notary
  template:
    metadata:
      labels:
        app: central-proxy
    spec:
      serviceAccountName: notary
      containers:
        - name: qhx-proxy
          image: "oci.messier42.com/qhx/proxy:v${RELEASE_VERSION}"
          imagePullPolicy: Always
          ports:
            - containerPort: 8081
              name: http
          env:
            - name: QHX_PROXY_CONFIG
              value: |
                spiffe:
                  workload_socket_path: unix:///spiffe-workload-api/agent.sock
                notary:
                  enable: true
                  database:
                    path: /database/notary.db
                listeners:
                  - name: notary
                    address: "0.0.0.0:8081"
                    protocol: http
                    mode: central
                    target:
                      url: "https://app-server.example.svc.cluster.local:8081"
                      spiffe_ids:
                        - "^spiffe://qhx.dev/ns/example/sa/app-server/.*$"
                    middlewares:
                      - type: notary-query
                      - type: openai
                    timeouts:
                      read: 600s
                      write: 600s
                      idle: 600s
          volumeMounts:
            - name: database
              mountPath: /database
            - name: spiffe-workload-api
              mountPath: /spiffe-workload-api
              readOnly: true
          resources:
            requests:
              memory: "64Mi"
              cpu: "100m"
            limits:
              memory: "256Mi"
              cpu: "500m"
      volumes:
        - name: database
          emptyDir: {}
        - name: spiffe-workload-api
          csi:
            driver: csi.spiffe.io
            readOnly: true
---
apiVersion: v1
kind: Service
metadata:
  name: notary
  namespace: qhx-notary
spec:
  selector:
    app: notary
  type: ClusterIP
  ports:
    - protocol: TCP
      port: 8081
      targetPort: 8081