From 230a0f6cc2e483aca5789929ab0bd06b38454099 Mon Sep 17 00:00:00 2001
From: David Shrewsbury <shrewsbury.dave@gmail.com>
Date: Thu, 27 Sep 2018 13:57:50 -0400
Subject: [PATCH] Add role to install kubernetes

Optionally, and by default, installs a Minikube cluster that runs
locally.

Change-Id: Ie6d0b73e6b3bdb77eee133a5f663133fd037aba0
---
 roles/install-kubernetes/README.rst          |  8 ++++
 roles/install-kubernetes/defaults/main.yaml  |  1 +
 roles/install-kubernetes/tasks/main.yaml     | 21 +++++++++
 roles/install-kubernetes/tasks/minikube.yaml | 48 ++++++++++++++++++++
 4 files changed, 78 insertions(+)
 create mode 100644 roles/install-kubernetes/README.rst
 create mode 100644 roles/install-kubernetes/defaults/main.yaml
 create mode 100644 roles/install-kubernetes/tasks/main.yaml
 create mode 100644 roles/install-kubernetes/tasks/minikube.yaml

diff --git a/roles/install-kubernetes/README.rst b/roles/install-kubernetes/README.rst
new file mode 100644
index 000000000..ea0d962f8
--- /dev/null
+++ b/roles/install-kubernetes/README.rst
@@ -0,0 +1,8 @@
+An ansible role to install kubernetes.
+
+**Role Variables**
+
+.. zuul:rolevar:: install_kubernetes_with_cluster
+   :default: True
+
+   If true, installs a Minikube cluster.
diff --git a/roles/install-kubernetes/defaults/main.yaml b/roles/install-kubernetes/defaults/main.yaml
new file mode 100644
index 000000000..19ff90d2d
--- /dev/null
+++ b/roles/install-kubernetes/defaults/main.yaml
@@ -0,0 +1 @@
+install_kubernetes_with_cluster: True
diff --git a/roles/install-kubernetes/tasks/main.yaml b/roles/install-kubernetes/tasks/main.yaml
new file mode 100644
index 000000000..445f71c88
--- /dev/null
+++ b/roles/install-kubernetes/tasks/main.yaml
@@ -0,0 +1,21 @@
+- name: Install apt key
+  become: yes
+  apt_key:
+    url: "https://packages.cloud.google.com/apt/doc/apt-key.gpg"
+    state: present
+
+- name: Add kubernetes repo
+  become: yes
+  apt_repository:
+    repo: deb http://apt.kubernetes.io/ kubernetes-xenial main
+    state: present
+
+- name: Install kubernetes packages
+  become: yes
+  apt:
+    name: kubectl
+    update_cache: yes
+
+- name: Run cluster tasks
+  include_tasks: minikube.yaml
+  when: install_kubernetes_with_cluster
diff --git a/roles/install-kubernetes/tasks/minikube.yaml b/roles/install-kubernetes/tasks/minikube.yaml
new file mode 100644
index 000000000..d0c2f50c1
--- /dev/null
+++ b/roles/install-kubernetes/tasks/minikube.yaml
@@ -0,0 +1,48 @@
+- name: Check for Minikube install
+  stat:
+    path: /tmp/minikube
+  register: stat_result
+
+- name: Download Minikube
+  get_url:
+    url: https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
+    dest: /tmp/minikube
+    mode: 0755
+  when: stat_result.stat.exists == False
+
+- name: Run install-docker role
+  include_role:
+    name: install-docker
+
+- name: Create .kube directory
+  file:
+    path: "{{ ansible_user_dir }}/.kube"
+    state: directory
+    mode: 0755
+
+- name: Create .kube/config file
+  file:
+    path: "{{ ansible_user_dir }}/.kube/config"
+    state: touch
+    mode: 0644
+
+- name: Create .minikube directory
+  file:
+    path: "{{ ansible_user_dir }}/.minikube"
+    state: directory
+    mode: 0755
+
+- name: Start Minikube
+  become: yes
+  command: /tmp/minikube --vm-driver=none start
+  environment:
+    MINIKUBE_WANTUPDATENOTIFICATION: false
+    MINIKUBE_WANTREPORTERRORPROMPT: false
+    MINIKUBE_WANTNONEDRIVERWARNING: false
+    MINIKUBE_WANTKUBECTLDOWNLOADMSG: false
+    CHANGE_MINIKUBE_NONE_USER: true
+    MINIKUBE_HOME: "{{ ansible_user_dir }}"
+    KUBECONFIG: "{{ ansible_user_dir }}/.kube/config"
+
+- name: Get cluster info
+  command: kubectl cluster-info