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_tag: "v1.10.1"
+dashboard_image_repo: "{{ docker_image_repo }}/kubernetesui/dashboard-{{ image_arch }}"
+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 ------------------- #
@@ -70,16 +70,17 @@ 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
-  namespace: kube-system
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: {{ dashboard_namespace }}
 rules:
   # Allow Dashboard to get, update and delete Dashboard exclusive secrets.
   - apiGroups: [""]
@@ -91,58 +92,46 @@ rules:
     resources: ["configmaps"]
     resourceNames: ["kubernetes-dashboard-settings"]
     verbs: ["get", "update"]
-  # Allow Dashboard to get metrics from heapster.
+    # Allow Dashboard to get metrics.
   - apiGroups: [""]
     resources: ["services"]
-  resourceNames: ["heapster"]
+    resourceNames: ["heapster", "dashboard-metrics-scraper"]
     verbs: ["proxy"]
   - apiGroups: [""]
     resources: ["services/proxy"]
-  resourceNames: ["heapster", "http:heapster:", "https:heapster:"]
+    resourceNames: ["heapster", "http:heapster:", "https:heapster:", "dashboard-metrics-scraper", "http:dashboard-metrics-scraper"]
     verbs: ["get"]
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
-  name: kubernetes-dashboard-minimal
-  namespace: kube-system
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: {{ dashboard_namespace }}
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
-  name: kubernetes-dashboard-minimal
+  name: kubernetes-dashboard
 subjects:
   - kind: ServiceAccount
     name: kubernetes-dashboard
-  namespace: kube-system
-
----
-# ------------------- Gross Hack For anonymous auth through api proxy ------------------- #
-# 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"]
+    namespace: {{ dashboard_namespace }}
 
 ---
 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
-  name: system:anonymous
+  - kind: ServiceAccount
+    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
@@ -181,6 +170,7 @@ spec:
             - containerPort: 8443
               protocol: TCP
           args:
+            - --namespace={{ dashboard_namespace }}
 {% if dashboard_use_custom_certs %}
             - --tls-key-file={{ dashboard_tls_key_file }}
             - --tls-cert-file={{ dashboard_tls_cert_file }}
@@ -207,6 +197,8 @@ spec:
               scheme: HTTPS
               path: /
               port: 8443
+            initialDelaySeconds: 30
+            timeoutSeconds: 30
       volumes:
         - name: kubernetes-dashboard-certs
           secret:
@@ -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 %}