Add simple install_jenkins script

It's a simple script, but provides a centralized location in case we need to change it in the future

README.md

@@ -12,6 +12,7 @@ This repository contains utility scripts to run/configure DevOp systems in Azure
  * [unsecure-jenkins-instance.sh](jenkins/unsecure-jenkins-instance.sh): Disables the security of a Jenkins instance.
  * [Jenkins-Windows-Init-Script.ps1](powershell/Jenkins-Windows-Init-Script.ps1): Sample script on how to setup your Windows Azure Jenkins Agent to communicate through JNLP with the Jenkins master.
  * [Migrate-Image-From-Classic.ps1](powershell/Migrate-Image-From-Classic.ps1): Migrates an image from the classic image model to the new Azure Resource Manager model.
+ * [install_jenkins.sh](jenkins/install_jenkins.sh): Simple script to install Jenkins on a Linux VM.
 * Spinnaker
  * [add_k8s_pipeline.sh](spinnaker/add_k8s_pipeline/): Adds a Kubernetes pipeline with three main stages:
  1. Deploy to a development environment

jenkins/README.md

@@ -26,4 +26,9 @@ If you accidentally set up security realm / authorization in such a way that you
 ***Don't make your instance publicly available when running this script! Anyone can access your unsecure Jenkins instance!***
 For more informations see the [Jenkins documentation](https://jenkins.io/doc/book/operating/security/#disabling-security)
 
+## Install Jenkins
+> [install_jenkins.sh](install_jenkins.sh)
+
+Bash script that installs Jenkins.
+
 ## Questions/Comments? [email protected]

jenkins/install_jenkins.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+wget -q -O - https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add -
+sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
+sudo apt-get update --yes
+sudo apt-get install jenkins --yes
+sudo apt-get install jenkins --yes # sometime the first apt-get install jenkins command fails, so we try it twice

quickstart_template/201-jenkins-to-azure-container-registry.sh

@@ -86,11 +86,9 @@ if [ -z "$repository" ]; then
 fi
 
 #install jenkins
-wget -q -O - https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add -
-sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
-sudo apt-get update --yes
-sudo apt-get install jenkins --yes
-sudo apt-get install jenkins --yes # sometime the first apt-get install jenkins command fails, so we try it twice
+curl --silent "${artifacts_location}jenkins/install_jenkins.sh${artifacts_location_sas_token}" | sudo bash -s
+
+#install git
 sudo apt-get install git --yes
 
 #install docker if not already installed