From 3ead64e32522e913a680b9ceb71e9b18fc7847ae Mon Sep 17 00:00:00 2001
From: Vincent Schwarzer <vincent.schwarzer@yahoo.de>
Date: Mon, 27 Feb 2017 14:34:58 +0100
Subject: [PATCH] Dashboard added to Deployment

Added a new role for deploying the Kubernetes Dashboard with Kargo.
---
 .../dashboard/defaults/main.yml               |  2 +
 .../kubernetes-apps/dashboard/tasks/main.yml  | 18 +++++
 .../templates/kubernetes-dashboard.yml        | 80 +++++++++++++++++++
 roles/kubernetes-apps/meta/main.yml           |  2 +
 4 files changed, 102 insertions(+)
 create mode 100644 roles/kubernetes-apps/dashboard/defaults/main.yml
 create mode 100644 roles/kubernetes-apps/dashboard/tasks/main.yml
 create mode 100644 roles/kubernetes-apps/dashboard/templates/kubernetes-dashboard.yml

diff --git a/roles/kubernetes-apps/dashboard/defaults/main.yml b/roles/kubernetes-apps/dashboard/defaults/main.yml
new file mode 100644
index 000000000..223ec3275
--- /dev/null
+++ b/roles/kubernetes-apps/dashboard/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+dashboard_namespace: kube-system
diff --git a/roles/kubernetes-apps/dashboard/tasks/main.yml b/roles/kubernetes-apps/dashboard/tasks/main.yml
new file mode 100644
index 000000000..3dc2a8d72
--- /dev/null
+++ b/roles/kubernetes-apps/dashboard/tasks/main.yml
@@ -0,0 +1,18 @@
+---
+- name: Kubernetes Dashboard | Lay Down Dasboard Template
+  template: src={{item.file}} dest={{kube_config_dir}}/{{item.file}}
+  with_items:
+    - {file: kubernetes-dashboard.yml, type: deployment, name: kubernetes-dashboard}
+  register: manifests
+  when: inventory_hostname == groups['kube-master'][0]
+
+- name: Kubernetes Dashboard | Start Dashboard Resource
+  kube:
+    name: "{{item.item.name}}"
+    namespace: "{{dashboard_namespace}}"
+    kubectl: "{{bin_dir}}/kubectl"
+    resource: "{{item.item.type}}"
+    filename: "{{kube_config_dir}}/{{item.item.file}}"
+    state: "{{item.changed | ternary('latest','present') }}"
+  with_items: "{{ manifests.results }}"
+  when: inventory_hostname == groups['kube-master'][0]
diff --git a/roles/kubernetes-apps/dashboard/templates/kubernetes-dashboard.yml b/roles/kubernetes-apps/dashboard/templates/kubernetes-dashboard.yml
new file mode 100644
index 000000000..cd8b02341
--- /dev/null
+++ b/roles/kubernetes-apps/dashboard/templates/kubernetes-dashboard.yml
@@ -0,0 +1,80 @@
+# Copyright 2015 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Configuration to deploy release version of the Dashboard UI.
+#
+# Example usage: kubectl create -f <this_file>
+
+kind: Deployment
+apiVersion: extensions/v1beta1
+metadata:
+  labels:
+    app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: kube-system
+spec:
+  replicas: 1
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      app: kubernetes-dashboard
+  template:
+    metadata:
+      labels:
+        app: kubernetes-dashboard
+      # Comment the following annotation if Dashboard must not be deployed on master
+      annotations:
+        scheduler.alpha.kubernetes.io/tolerations: |
+          [
+            {
+              "key": "dedicated",
+              "operator": "Equal",
+              "value": "master",
+              "effect": "NoSchedule"
+            }
+          ]
+    spec:
+      containers:
+      - name: kubernetes-dashboard
+        image: gcr.io/google_containers/kubernetes-dashboard-amd64:v1.5.1
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 9090
+          protocol: TCP
+        args:
+          # 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
+          # to it. Uncomment only if the default does not work.
+          # - --apiserver-host=http://my-address:port
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 9090
+          initialDelaySeconds: 30
+          timeoutSeconds: 30
+---
+kind: Service
+apiVersion: v1
+metadata:
+  labels:
+    app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: kube-system
+spec:
+  type: NodePort
+  ports:
+  - port: 80
+    targetPort: 9090
+  selector:
+    app: kubernetes-dashboard
diff --git a/roles/kubernetes-apps/meta/main.yml b/roles/kubernetes-apps/meta/main.yml
index c2dd39d73..1fd53d51e 100644
--- a/roles/kubernetes-apps/meta/main.yml
+++ b/roles/kubernetes-apps/meta/main.yml
@@ -15,3 +15,5 @@ dependencies:
   - role: kubernetes-apps/helm
     when: helm_enabled
     tags: [ apps, helm ]
+  - role: kubernetes-apps/dashboard
+    tags: [ apps, dashboard ]