bump to dashboard 2.0.0 with metrics scrapper support (#5821)

* bump to dashboard 2.0 rc6 with metrics scrapper

* fix missing yaml seperator making Replicaset complaining about missing ServiceAccount

* unwanted legay gross hack forgot to remove before

* no  need namespace on CrBinding

* bump to 2.0.0 release

* remove dashboard_metrics_scrapper_enabled

roles/download/defaults/main.yml

@@ -597,8 +597,10 @@ gcp_pd_csi_attacher_image_tag: "v2.1.1-gke.0"
 gcp_pd_csi_resizer_image_tag: "v0.4.0-gke.0"
 gcp_pd_csi_registrar_image_tag: "v1.2.0-gke.0"
 
-dashboard_image_repo: "{{ gcr_image_repo }}/google_containers/kubernetes-dashboard-{{ image_arch }}"
+dashboard_image_repo: "{{ docker_image_repo }}/kubernetesui/dashboard-{{ image_arch }}"
-dashboard_image_tag: "v1.10.1"
+dashboard_image_tag: "v2.0.0"
+dashboard_metrics_scraper_repo: "{{ docker_image_repo }}/kubernetesui/metrics-scraper"
+dashboard_metrics_scraper_tag: "v1.0.4"
 
 image_pull_command: "{{ docker_bin_dir }}/docker pull"
 image_save_command: "{{ docker_bin_dir }}/docker save {{ image_reponame }} | gzip -{{ download_compress }} > {{ image_path_final }}"
@@ -1137,6 +1139,15 @@ downloads:
     groups:
       - kube-master
 
+  dashboard_metrics_scrapper:
+    enabled: "{{ dashboard_enabled }}"
+    container: true
+    repo: "{{ dashboard_metrics_scraper_repo }}"
+    tag: "{{ dashboard_metrics_scraper_tag }}"
+    sha256: "{{ dashboard_digest_checksum|default(None) }}"
+    groups:
+      - kube-master
+
 download_defaults:
   container: false
   file: false

roles/kubernetes-apps/ansible/defaults/main.yml

@@ -41,6 +41,9 @@ netchecker_server_group: 1000
 dashboard_enabled: true
 dashboard_replicas: 1
 
+# Namespace for dashboad
+dashboard_namespace: kube-system
+
 # Limits for dashboard
 dashboard_cpu_limit: 100m
 dashboard_memory_limit: 256M

roles/kubernetes-apps/ansible/tasks/dashboard.yml

@@ -11,7 +11,7 @@
 - name: Kubernetes Apps | Start dashboard
   kube:
     name: "{{ item.item.name }}"
-    namespace: "kube-system"
+    namespace: "{{ dashboard_namespace }}"
     kubectl: "{{ bin_dir }}/kubectl"
     resource: "{{ item.item.type }}"
     filename: "{{ kube_config_dir }}/{{ item.item.file }}"

roles/kubernetes-apps/ansible/templates/dashboard.yml.j2

@@ -26,7 +26,7 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard-certs
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 type: Opaque
 
 ---
@@ -36,7 +36,7 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard-csrf
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 type: Opaque
 data:
   csrf: ""
@@ -48,7 +48,7 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard-key-holder
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 type: Opaque
 
 ---
@@ -59,7 +59,7 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard-settings
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 
 ---
 # ------------------- Dashboard Service Account ------------------- #
@@ -70,79 +70,68 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 
 ---
 # ------------------- Dashboard Role & Role Binding ------------------- #
-
 kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: kubernetes-dashboard-minimal
+  labels:
-  namespace: kube-system
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: {{ dashboard_namespace }}
 rules:
   # Allow Dashboard to get, update and delete Dashboard exclusive secrets.
-- apiGroups: [""]
+  - apiGroups: [""]
-  resources: ["secrets"]
+    resources: ["secrets"]
-  resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"]
+    resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"]
-  verbs: ["get", "update", "delete"]
+    verbs: ["get", "update", "delete"]
-  # Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.
+    # Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.
-- apiGroups: [""]
+  - apiGroups: [""]
-  resources: ["configmaps"]
+    resources: ["configmaps"]
-  resourceNames: ["kubernetes-dashboard-settings"]
+    resourceNames: ["kubernetes-dashboard-settings"]
-  verbs: ["get", "update"]
+    verbs: ["get", "update"]
-  # Allow Dashboard to get metrics from heapster.
+    # Allow Dashboard to get metrics.
-- apiGroups: [""]
+  - apiGroups: [""]
-  resources: ["services"]
+    resources: ["services"]
-  resourceNames: ["heapster"]
+    resourceNames: ["heapster", "dashboard-metrics-scraper"]
-  verbs: ["proxy"]
+    verbs: ["proxy"]
-- apiGroups: [""]
+  - apiGroups: [""]
-  resources: ["services/proxy"]
+    resources: ["services/proxy"]
-  resourceNames: ["heapster", "http:heapster:", "https:heapster:"]
+    resourceNames: ["heapster", "http:heapster:", "https:heapster:", "dashboard-metrics-scraper", "http:dashboard-metrics-scraper"]
-  verbs: ["get"]
+    verbs: ["get"]
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
-  name: kubernetes-dashboard-minimal
+  labels:
-  namespace: kube-system
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: {{ dashboard_namespace }}
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
-  name: kubernetes-dashboard-minimal
-subjects:
-- kind: ServiceAccount
   name: kubernetes-dashboard
-  namespace: kube-system
+subjects:
-
+  - kind: ServiceAccount
----
+    name: kubernetes-dashboard
-# ------------------- Gross Hack For anonymous auth through api proxy ------------------- #
+    namespace: {{ dashboard_namespace }}
-# Allows users to reach login page and other proxied dashboard URLs
-kind: ClusterRole
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: kubernetes-dashboard-anonymous
-rules:
-- apiGroups: [""]
-  resources: ["services/proxy"]
-  resourceNames: ["https:kubernetes-dashboard:"]
-  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
-- nonResourceURLs: ["/ui", "/ui/*", "/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/*"]
-  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
-  name: kubernetes-dashboard-anonymous
+  name: kubernetes-dashboard
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
-  name: kubernetes-dashboard-anonymous
+  name: kubernetes-dashboard
 subjects:
-- kind: User
+  - kind: ServiceAccount
-  name: system:anonymous
+    name: kubernetes-dashboard
+    namespace: {{ dashboard_namespace }}
 
 ---
 # ------------------- Dashboard Deployment ------------------- #
@@ -153,7 +142,7 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 spec:
   replicas: {{ dashboard_replicas }}
   revisionHistoryLimit: 10
@@ -167,57 +156,60 @@ spec:
     spec:
       priorityClassName: system-cluster-critical
       containers:
-      - name: kubernetes-dashboard
+        - name: kubernetes-dashboard
-        image: {{ dashboard_image_repo }}:{{ dashboard_image_tag }}
+          image: {{ dashboard_image_repo }}:{{ dashboard_image_tag }}
-        imagePullPolicy: {{ k8s_image_pull_policy }}
+          imagePullPolicy: {{ k8s_image_pull_policy }}
-        resources:
+          resources:
-          limits:
+            limits:
-            cpu: {{ dashboard_cpu_limit }}
+              cpu: {{ dashboard_cpu_limit }}
-            memory: {{ dashboard_memory_limit }}
+              memory: {{ dashboard_memory_limit }}
-          requests:
+            requests:
-            cpu: {{ dashboard_cpu_requests }}
+              cpu: {{ dashboard_cpu_requests }}
-            memory: {{ dashboard_memory_requests }}
+              memory: {{ dashboard_memory_requests }}
-        ports:
+          ports:
-        - containerPort: 8443
+            - containerPort: 8443
-          protocol: TCP
+              protocol: TCP
-        args:
+          args:
+            - --namespace={{ dashboard_namespace }}
 {% if dashboard_use_custom_certs %}
-          - --tls-key-file={{ dashboard_tls_key_file }}
+            - --tls-key-file={{ dashboard_tls_key_file }}
-          - --tls-cert-file={{ dashboard_tls_cert_file }}
+            - --tls-cert-file={{ dashboard_tls_cert_file }}
 {% else %}
-          - --auto-generate-certificates
+            - --auto-generate-certificates
 {% endif %}
 {% if dashboard_skip_login %}
           - --enable-skip-login
 {% endif %}
-          - --authentication-mode=token{% if kube_basic_auth|default(false) %},basic{% endif %}
+            - --authentication-mode=token{% if kube_basic_auth|default(false) %},basic{% endif %}
-          # Uncomment the following line to manually specify Kubernetes API server Host
+            # Uncomment the following line to manually specify Kubernetes API server Host
-          # If not specified, Dashboard will attempt to auto discover the API server and connect
+            # If not specified, Dashboard will attempt to auto discover the API server and connect
-          # to it. Uncomment only if the default does not work.
+            # to it. Uncomment only if the default does not work.
-          # - --apiserver-host=http://my-address:port
+            # - --apiserver-host=http://my-address:port
-          - --token-ttl={{ dashboard_token_ttl }}
+            - --token-ttl={{ dashboard_token_ttl }}
-        volumeMounts:
+          volumeMounts:
-        - name: kubernetes-dashboard-certs
+            - name: kubernetes-dashboard-certs
-          mountPath: /certs
+              mountPath: /certs
-          # Create on-disk volume to store exec logs
+              # Create on-disk volume to store exec logs
-        - mountPath: /tmp
+            - mountPath: /tmp
-          name: tmp-volume
+              name: tmp-volume
-        livenessProbe:
+          livenessProbe:
-          httpGet:
+            httpGet:
-            scheme: HTTPS
+              scheme: HTTPS
-            path: /
+              path: /
-            port: 8443
+              port: 8443
+            initialDelaySeconds: 30
+            timeoutSeconds: 30
       volumes:
-      - name: kubernetes-dashboard-certs
+        - name: kubernetes-dashboard-certs
-        secret:
+          secret:
-          secretName: {{ dashboard_certs_secret_name }}
+            secretName: {{ dashboard_certs_secret_name }}
-      - name: tmp-volume
+        - name: tmp-volume
-        emptyDir: {}
+          emptyDir: {}
       serviceAccountName: kubernetes-dashboard
 {% if dashboard_master_toleration %}
       tolerations:
-      - key: node-role.kubernetes.io/master
+        - key: node-role.kubernetes.io/master
-        effect: NoSchedule
+          effect: NoSchedule
 {% endif %}
 
 ---
@@ -229,10 +221,83 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard
-  namespace: kube-system
+  namespace: {{ dashboard_namespace }}
 spec:
   ports:
     - port: 443
       targetPort: 8443
   selector:
     k8s-app: kubernetes-dashboard
+
+---
+# ------------------- Metrics Scrapper Service Account ------------------- #
+
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+rules:
+  # Allow Metrics Scraper to get metrics from the Metrics server
+  - apiGroups: ["metrics.k8s.io"]
+    resources: ["pods", "nodes"]
+    verbs: ["get", "list", "watch"]
+
+---
+
+# ------------------- Metrics Scrapper Service  ------------------- #
+kind: Service
+apiVersion: v1
+metadata:
+  labels:
+    k8s-app: kubernetes-metrics-scraper
+  name: dashboard-metrics-scraper
+  namespace: {{ dashboard_namespace }}
+spec:
+  ports:
+    - port: 8000
+      targetPort: 8000
+  selector:
+    k8s-app: kubernetes-metrics-scraper
+
+---
+
+# ------------------- Metrics Scrapper Deployment  ------------------- #
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  labels:
+    k8s-app: kubernetes-metrics-scraper
+  name: kubernetes-metrics-scraper
+  namespace: {{ dashboard_namespace }}
+spec:
+  replicas: 1
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      k8s-app: kubernetes-metrics-scraper
+  template:
+    metadata:
+      labels:
+        k8s-app: kubernetes-metrics-scraper
+    spec:
+      containers:
+        - name: kubernetes-metrics-scraper
+          image: {{ dashboard_metrics_scraper_repo }}:{{ dashboard_metrics_scraper_tag }}
+          ports:
+            - containerPort: 8000
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              scheme: HTTP
+              path: /
+              port: 8000
+            initialDelaySeconds: 30
+            timeoutSeconds: 30
+      serviceAccountName: kubernetes-dashboard
+{% if dashboard_master_toleration %}
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          effect: NoSchedule
+{% endif %}