hubble-ui.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: hubble-ui
  namespace: kube-system
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: hubble-ui
  labels:
    app.kubernetes.io/part-of: retina
rules:
  - apiGroups:
      - networking.k8s.io
    resources:
      - networkpolicies
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - componentstatuses
      - endpoints
      - namespaces
      - nodes
      - pods
      - services
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - apiextensions.k8s.io
    resources:
      - customresourcedefinitions
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - cilium.io
    resources:
      - "*"
    verbs:
      - get
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: hubble-ui
  labels:
    app.kubernetes.io/part-of: retina
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: hubble-ui
subjects:
  - kind: ServiceAccount
    name: hubble-ui
    namespace: kube-system
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: hubble-ui-nginx
  namespace: kube-system
data:
  nginx.conf: |
    server {
        listen       8081;
        server_name  localhost;
        root /app;
        index index.html;
        client_max_body_size 1G;
        location / {
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            # CORS
            add_header Access-Control-Allow-Methods "GET, POST, PUT, HEAD, DELETE, OPTIONS";
            add_header Access-Control-Allow-Origin *;
            add_header Access-Control-Max-Age 1728000;
            add_header Access-Control-Expose-Headers content-length,grpc-status

,grpc-message;
            add_header Access-Control-Allow-Headers range,keep-alive,user-agent,cache-control,content-type,content-transfer-encoding,x-accept-content-transfer-encoding,x-accept-response-streaming,x-user-agent,x-grpc-web,grpc-timeout;
            if ($request_method = OPTIONS) {
                return 204;
            }
            # /CORS
            location /api {
                proxy_http_version 1.1;
                proxy_pass_request_headers on;
                proxy_hide_header Access-Control-Allow-Origin;
                proxy_pass http://127.0.0.1:8090;
            }
            location / {
                try_files $uri $uri/ /index.html /index.html;
            }
            # Liveness probe
            location /healthz {
                access_log off;
                add_header Content-Type text/plain;
                return 200 'ok';
            }
        }
    }
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: hubble-ui
  namespace: kube-system
  labels:
    k8s-app: hubble-ui
    app.kubernetes.io/name: hubble-ui
    app.kubernetes.io/part-of: retina
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: hubble-ui
  template:
    metadata:
      labels:
        k8s-app: hubble-ui
        app.kubernetes.io/name: hubble-ui
        app.kubernetes.io/part-of: retina
    spec:
      serviceAccount: hubble-ui
      serviceAccountName: hubble-ui
      automountServiceAccountToken: true
      containers:
      - name: frontend
        image: mcr.microsoft.com/oss/cilium/hubble-ui:v0.12.2   
        imagePullPolicy: Always
        ports:
        - name: http
          containerPort: 8081
        livenessProbe:
          httpGet:
            path: /healthz
            port: 8081
        readinessProbe:
          httpGet:
            path: /
            port: 8081
        resources: {}
        volumeMounts:
        - name: hubble-ui-nginx-conf
          mountPath: /etc/nginx/conf.d/default.conf
          subPath: nginx.conf
        - name: tmp-dir
          mountPath: /tmp
        terminationMessagePolicy: FallbackToLogsOnError
        securityContext: {}
      - name: backend
        image: mcr.microsoft.com/oss/cilium/hubble-ui-backend:v0.12.2
        imagePullPolicy: Always
        env:
        - name: EVENTS_SERVER_PORT
          value: "8090"
        - name: FLOWS_API_ADDR
          value: "hubble-relay:443"
        - name: TLS_TO_RELAY_ENABLED
          value: "true"
        - name: TLS_RELAY_SERVER_NAME
          value: ui.hubble-relay.cilium.io
        - name: TLS_RELAY_CA_CERT_FILES
          value: /var/lib/hubble-ui/certs/hubble-relay-ca.crt
        - name: TLS_RELAY_CLIENT_CERT_FILE
          value: /var/lib/hubble-ui/certs/client.crt
        - name: TLS_RELAY_CLIENT_KEY_FILE
          value: /var/lib/hubble-ui/certs/client.key
        livenessProbe:
          httpGet:
            path: /healthz
            port: 8090
        readinessProbe:
          httpGet:
            path: /healthz
            port: 8090
        ports:
        - name: grpc
          containerPort: 8090
        resources: {}
        volumeMounts:
        - name: hubble-ui-client-certs
          mountPath: /var/lib/hubble-ui/certs
          readOnly: true
        terminationMessagePolicy: FallbackToLogsOnError
        securityContext: {}
      nodeSelector:
        kubernetes.io/os: linux 
      volumes:
      - configMap:
          defaultMode: 420
          name: hubble-ui-nginx
        name: hubble-ui-nginx-conf
      - emptyDir: {}
        name: tmp-dir
      - name: hubble-ui-client-certs
        projected:
          defaultMode: 0400
          sources:
          - secret:
              name: hubble-relay-client-certs
              items:
                - key: tls.crt
                  path: client.crt
                - key: tls.key
                  path: client.key
                - key: ca.crt
                  path: hubble-relay-ca.crt
---
kind: Service
apiVersion: v1
metadata:
  name: hubble-ui
  namespace: kube-system
  labels:
    k8s-app: hubble-ui
    app.kubernetes.io/name: hubble-ui
    app.kubernetes.io/part-of: retina
spec:
  type: ClusterIP
  selector:
    k8s-app: hubble-ui
  ports:
    - name: http
      port: 80
      targetPort: 8081