npearce · September 30, 2020 20:58 · Sep 30, 2020 · Sep 30, 2020 · Sep 30, 2020 · Sep 30, 2020
diff --git a/Vagrantfile b/Vagrantfile
@@ -39,6 +39,7 @@ Vagrant.configure("2") do |config|
     # Specify your hostname if you like
     # k8s1.vm.hostname = "k8s1"
     k8s1.vm.box = "bento/ubuntu-20.04"
+    k8s1.vm.provision "shell", inline: "swapoff -a"    
     k8s1.vm.network "private_network", type: "dhcp"
     # k8s1.vm.network "forwarded_port", guest: 10102, host: 10102, autocorrect: true
     k8s1.vm.provision "docker"
@@ -56,6 +57,7 @@ Vagrant.configure("2") do |config|
     # Specify your hostname if you like
     # k8s2.vm.hostname = "k8s2"
     k8s2.vm.box = "bento/ubuntu-20.04"
+    k8s2.vm.provision "shell", inline: "swapoff -a"    
     k8s2.vm.network "private_network", type: "dhcp"
     # k8s2.vm.network "forwarded_port", guest: 10102, host: 10102, autocorrect: true
     k8s2.vm.provision "docker"

diff --git a/consul-values-k8s1.yml b/consul-values-k8s1.yml
@@ -0,0 +1,17 @@
+global:
+  domain: consul
+  datacenter: k8sdc1
+
+server:
+  replicas: 3
+  bootstrapExpect: 3
+
+client:
+  enabled: true
+  grpc: true
+
+ui:
+  enabled: true
+
+connectInject:
+  enabled: true
diff --git a/consul-values-k8s3.yml b/consul-values-k8s3.yml
@@ -0,0 +1,17 @@
+global:
+  domain: consul
+  datacenter: k8sdc2
+
+server:
+  replicas: 3
+  bootstrapExpect: 3
+
+client:
+  enabled: true
+  grpc: true
+
+ui:
+  enabled: true
+
+connectInject:
+  enabled: true
diff --git a/finish_install.sh → Lab_k8s_MultiCluster.md b/finish_install.sh → Lab_k8s_MultiCluster.md
@@ -1,4 +1,15 @@
-#!/bin/sh
+# Two k8s Cluserts w/ Consul in Vagrant
+
+This will create 2 virtualbox VM's each with full (not Minikube) single node k8s installs:
+
+`vagrant up`
+
+## Complete the install in each VM
+
+Perform the following for both k8s1 and k8s2
+
+```sh
+vagrant ssh k8s1
 
 kubectl apply -f https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')
 kubectl taint nodes --all node-role.kubernetes.io/master-
@@ -8,4 +19,5 @@ chmod 700 get_helm.sh
 ./get_helm.sh
 helm repo add hashicorp https://helm.releases.hashicorp.com
 helm search repo hashicorp/consul
-helm install consul hashicorp/consul --set global.name=consul
+helm install consul hashicorp/consul --set global.name=consul
+```
diff --git a/gistfile1.txt → Vagrantfile b/gistfile1.txt → Vagrantfile
diff --git a/finish_install.sh b/finish_install.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+kubectl apply -f https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')
+kubectl taint nodes --all node-role.kubernetes.io/master-
+
+curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
+chmod 700 get_helm.sh
+./get_helm.sh
+helm repo add hashicorp https://helm.releases.hashicorp.com
+helm search repo hashicorp/consul
+helm install consul hashicorp/consul --set global.name=consul
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,68 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# This script to install Kubernetes will get executed after we have provisioned the box
+$script = <<-SCRIPT
+# Install kubernetes
+apt-get update && apt-get install -y apt-transport-https
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
+cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
+deb http://apt.kubernetes.io/ kubernetes-xenial main
+EOF
+apt-get update
+apt-get install -y kubelet kubeadm kubectl
+# kubelet requires swap off
+swapoff -a
+# keep swap off after reboot
+sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
+# Get the IP address that VirtualBox has given this VM
+IPADDR=`ip -4 address show dev eth1 | grep inet | awk '{print $2}' | cut -f1 -d/`
+echo This VM has IP address $IPADDR
+# Writing the IP address to a file in the shared folder
+echo $IPADDR > /vagrant/ip-address.txt
+# Set up Kubernetes
+NODENAME=$(hostname -s)
+kubeadm init --apiserver-cert-extra-sans=$IPADDR  --node-name $NODENAME
+# Set up admin creds for the vagrant user
+echo Copying credentials to /home/vagrant...
+sudo --user=vagrant mkdir -p /home/vagrant/.kube
+cp -i /etc/kubernetes/admin.conf /home/vagrant/.kube/config
+chown $(id -u vagrant):$(id -g vagrant) /home/vagrant/.kube/config
+SCRIPT
+
+Vagrant.configure("2") do |config|
+  config.vm.define :k8s1 do |k8s1|
+    k8s1.vm.provider "virtualbox" do |v|
+      v.memory = 16384
+      v.cpus = 2
+    end
+    # Specify your hostname if you like
+    # k8s1.vm.hostname = "k8s1"
+    k8s1.vm.box = "bento/ubuntu-20.04"
+    k8s1.vm.network "private_network", type: "dhcp"
+    # k8s1.vm.network "forwarded_port", guest: 10102, host: 10102, autocorrect: true
+    k8s1.vm.provision "docker"
+    # Specify the shared folder mounted from the host if you like
+    # By default you get "." synced as "/vagrant"
+    # k8s1.vm.synced_folder ".", "/folder"
+    k8s1.vm.provision "shell", inline: $script
+  end
+
+  config.vm.define :k8s2 do |k8s2|
+    k8s2.vm.provider "virtualbox" do |v|
+      v.memory = 16384
+      v.cpus = 2
+    end
+    # Specify your hostname if you like
+    # k8s2.vm.hostname = "k8s2"
+    k8s2.vm.box = "bento/ubuntu-20.04"
+    k8s2.vm.network "private_network", type: "dhcp"
+    # k8s2.vm.network "forwarded_port", guest: 10102, host: 10102, autocorrect: true
+    k8s2.vm.provision "docker"
+    # Specify the shared folder mounted from the host if you like
+    # By default you get "." synced as "/vagrant"
+    # k8s2.vm.synced_folder ".", "/folder"
+    k8s2.vm.provision "shell", inline: $script
+  end
+
+end