VTWO-14496 : start machines configuration

README.md

@@ -1,4 +1,25 @@
 # Introduction
 
 This repository is intended for demo-ing the manual install of kubernetes's components on both master and worker nodes.
-It should be able to get you to a working single master kubernetes setup
+It should be able to get you to a working single master kubernetes setup on a set of vagrant boxes
+
+# prerequisites
+- vagrant
+- the scp vagrant plugin : `vagrant plugin install vagrant-scp`
+- [the GNU parallel CLI](https://www.gnu.org/software/parallel/)
+
+# setup
+- start the vms
+```sh
+vagrant up
+```
+
+- setup a container runtime
+```sh
+./scripts/run_script_on_all_nodes install_container_runtime
+```
+
+- download kubernetes
+```sh
+./scripts/run_script_on_all_nodes download_node_binaries
+```

Vagrantfile

@@ -1,5 +1,6 @@
 # Doc at https://docs.vagrantup.com
 # Boxes at https://vagrantcloud.com/search
+require 'open-uri'
 
 Vagrant.require_version ">= 2.2.4"
 
@@ -7,8 +8,9 @@ Vagrant.configure("2") do |config|
   config.vm.box = "debian/stretch64"
   config.vm.box_version = "= 9.9.1"
   
+  # greet from every configured VM, revealing its hostname
   config.vm.provision "shell", inline: "echo Hello from \$HOSTNAME"
-  
+
   config.vm.define "master-node" do |node|
     node.vm.hostname = "master-node"
     

scripts/download_node_binaries

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+curl -sL https://github.com/kubernetes/kubernetes/releases/download/v1.15.0/kubernetes.tar.gz | tar zxvf -

scripts/install_container_runtime

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+sudo apt-get update -y 
+
+sudo apt-get install -y \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg2 \
+    software-properties-common
+
+curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
+
+sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"
+
+sudo apt-get install -y --allow-unauthenticated docker-ce docker-ce-cli containerd.io

scripts/node_names

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+vagrant status --machine-readable | grep ,state, | cut -d, -f2 | sort | uniq

scripts/run_script_on_all_nodes

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+SCRIPTS_DIR=$(dirname $0)
+SCRIPT_NAME=$1
+NODE_NAMES=$($SCRIPTS_DIR/node_names)
+
+cat $SCRIPTS_DIR/$SCRIPT_NAME
+
+echo ""
+echo ""
+echo ""
+echo ""
+
+read -n 1 -s -r -p "Press any key to continue..."
+echo ""
+echo ""
+
+# copy script over
+chmod u+x "$SCRIPTS_DIR/$SCRIPT_NAME"
+parallel vagrant scp "$SCRIPTS_DIR/$SCRIPT_NAME" "{}:~/" ::: $NODE_NAMES
+
+# remotely run the script
+parallel vagrant ssh {} -c "\~/$SCRIPT_NAME" ::: $NODE_NAMES