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Vagrantfile
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# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.require_version ">= 1.6.0"
# Library to pass in parameters
require 'getoptlong'
DOCKERHUB_OPT='--dockerhub'
MOUNT_OPT='--mount'
opts = GetoptLong.new(
# The path on the host that will be mounted on k8sworker under /data
[ MOUNT_OPT, GetoptLong::OPTIONAL_ARGUMENT ],
[ DOCKERHUB_OPT, GetoptLong::OPTIONAL_ARGUMENT ]
)
# Mount /tmp if no specific directory is chosen by the user
hostMount='/tmp'
guestMount='/data'
dockerLogin=false
opts.each do |opt, arg|
case opt
when MOUNT_OPT
hostMount=arg
when DOCKERHUB_OPT
dockerLogin=true
end
end
boxes = [
{
:name => "k8smaster",
:eth1 => "192.168.8.10",
:mem => "1024",
:cpu => "1"
},
{
:name => "k8sworker",
:eth1 => "192.168.8.11",
:mem => "4096",
:cpu => "2"
},
{
:name => "k8sworker2",
:eth1 => "192.168.8.12",
:mem => "4096",
:cpu => "2"
},
]
Vagrant.configure(2) do |config|
config.vm.box = "ubuntu/xenial64"
boxes.each do |opts|
config.vm.define opts[:name] do |config|
config.vm.hostname = opts[:name]
config.vm.provider "virtualbox" do |v|
v.customize ["modifyvm", :id, "--memory", opts[:mem]]
v.customize ["modifyvm", :id, "--cpus", opts[:cpu]]
end
config.vm.network :private_network, ip: opts[:eth1]
end
end
config.vm.define "k8smaster" do |k8smaster|
k8smaster.ssh.forward_agent = true
k8smaster.vm.provision "shell", inline: <<-SHELL
set -e
set -x
sed 's/127\.0\.0\.1.*k8s.*/192\.168\.8\.10 k8smaster/' -i /etc/hosts
#echo "192.168.8.11 k8sworker" >> /etc/hosts
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
#echo "deb http://apt.kubernetes.io/ kubernetes-xenial unstable" >> ~/kubernetes.list
echo "deb https://packages.cloud.google.com/apt/ kubernetes-xenial-unstable main" >> ~/kubernetes.list
mv ~/kubernetes.list /etc/apt/sources.list.d
apt-get update
apt-get upgrade -y
apt-get install -y docker.io
apt-get install -y kubelet kubeadm kubectl kubernetes-cni
apt-get install -y nfs-common
apt-get install -y golang-go
curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
echo "export KUBERNETES_SERVICE_HOST=192.168.8.10" > /etc/profile.d/kubernetes.sh
echo "export KUBERNETES_SERVICE_PORT=6443" >> /etc/profile.d/kubernetes.sh
echo "export KUBECONFIG=/vagrant/kubeconfig/admin.conf" >> /etc/profile.d/kubernetes.sh
kubeadm init --apiserver-advertise-address 192.168.8.10 --pod-network-cidr 10.244.0.0/16 --token 54c315.78a320e33baaf27d
# Rename the cluster to something simpler
sed -i s,kubernetes-admin@kubernetes,local, /etc/kubernetes/admin.conf
cp -rf /etc/kubernetes/admin.conf /vagrant/kubeconfig/
export KUBECONFIG=/etc/kubernetes/admin.conf
kubectl patch daemonset kube-proxy -n kube-system --type='json' -p='[{"op": "add", "path": "/spec/template/spec/containers/0/command/2", "value":"--proxy-mode=userspace"}]'
sleep 60
# # Weave Net
kubectl create -f /vagrant/networking/kube-weave.yml
# Flannel
#kubectl create -f /vagrant/networking/kube-flannel.yml
SHELL
end
config.vm.define "k8sworker" do |k8sworker|
k8sworker.ssh.forward_agent = true
k8sworker.vm.synced_folder "#{hostMount}", "#{guestMount}"
k8sworker.vm.provision "shell", inline: <<-SHELL
set -e
set -x
sed 's/127\.0\.0\.1.*k8s.*/192\.168\.8\.11 k8sworker/' -i /etc/hosts
#echo "192.168.8.10 k8smaster" >> /etc/hosts
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
# echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" >> ~/kubernetes.list
echo "deb https://packages.cloud.google.com/apt/ kubernetes-xenial-unstable main" >> ~/kubernetes.list
mv ~/kubernetes.list /etc/apt/sources.list.d
apt-get update
apt-get upgrade -y
apt-get install -y docker.io
apt-get install -y kubelet kubeadm kubectl kubernetes-cni
# Tell kubelet to use /root for its HOME. This will help setup docker login.
sed -i '/\[Service\]/a Environment="HOME=/root"' /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
apt-get install -y nfs-common
echo "export KUBERNETES_SERVICE_HOST=192.168.8.10" > /etc/profile.d/kubernetes.sh
echo "export KUBERNETES_SERVICE_PORT=6443" >> /etc/profile.d/kubernetes.sh
sudo kubeadm join --skip-preflight-checks --token=54c315.78a320e33baaf27d 192.168.8.10:6443 --discovery-token-unsafe-skip-ca-verification
sleep 120
export KUBECONFIG=/vagrant/kubeconfig/admin.conf
kubectl create -f /vagrant/monitoring/kube-heapster.yml
kubectl create -f /vagrant/dashboard/kube-dashboard.yml
wget --no-verbose -O /tmp/helm-v2.7.0-linux-amd64.tar.gz https://storage.googleapis.com/kubernetes-helm/helm-v2.7.0-linux-amd64.tar.gz
tar -zxvf /tmp/helm-v2.7.0-linux-amd64.tar.gz --strip-components=1 -C /tmp
kubectl create serviceaccount -n kube-system tiller
kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
/tmp/helm init --service-account=tiller --tiller-namespace=kube-system
rm -rf /tmp/helm-v2.7.0-linux-amd64.tar.gz
echo "export KUBECONFIG=/vagrant/kubeconfig/admin.conf" >> /etc/profile.d/kubernetes.sh
SHELL
if dockerLogin then
k8sworker.vm.provision "shell", env: {"USERNAME" => Username.new, "PASSWORD" => Password.new}, inline: <<-SHELL
set +x
docker login -u $USERNAME -p $PASSWORD
SHELL
end
end
config.vm.define "k8sworker2" do |k8sworker2|
k8sworker2.ssh.forward_agent = true
k8sworker2.vm.synced_folder "#{hostMount}", "#{guestMount}"
k8sworker2.vm.provision "shell", inline: <<-SHELL
set -e
set -x
sed 's/127\.0\.0\.1.*k8s.*/192\.168\.8\.12 k8sworker2/' -i /etc/hosts
#echo "192.168.8.10 k8smaster" >> /etc/hosts
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
# echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" >> ~/kubernetes.list
echo "deb https://packages.cloud.google.com/apt/ kubernetes-xenial-unstable main" >> ~/kubernetes.list
mv ~/kubernetes.list /etc/apt/sources.list.d
apt-get update
apt-get upgrade -y
apt-get install -y docker.io
apt-get install -y kubelet kubeadm kubectl kubernetes-cni
# Tell kubelet to use /root for its HOME. This will help setup docker login.
sed -i '/\[Service\]/a Environment="HOME=/root"' /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
apt-get install -y nfs-common
echo "export KUBERNETES_SERVICE_HOST=192.168.8.10" > /etc/profile.d/kubernetes.sh
echo "export KUBERNETES_SERVICE_PORT=6443" >> /etc/profile.d/kubernetes.sh
sudo kubeadm join --skip-preflight-checks --token=54c315.78a320e33baaf27d 192.168.8.10:6443 --discovery-token-unsafe-skip-ca-verification
sleep 120
export KUBECONFIG=/vagrant/kubeconfig/admin.conf
kubectl create -f /vagrant/monitoring/kube-heapster.yml
kubectl create -f /vagrant/dashboard/kube-dashboard.yml
wget --no-verbose -O /tmp/helm-v2.7.0-linux-amd64.tar.gz https://storage.googleapis.com/kubernetes-helm/helm-v2.7.0-linux-amd64.tar.gz
tar -zxvf /tmp/helm-v2.7.0-linux-amd64.tar.gz --strip-components=1 -C /tmp
kubectl create serviceaccount -n kube-system tiller
kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
/tmp/helm init --service-account=tiller --tiller-namespace=kube-system
rm -rf /tmp/helm-v2.7.0-linux-amd64.tar.gz
echo "export KUBECONFIG=/vagrant/kubeconfig/admin.conf" >> /etc/profile.d/kubernetes.sh
SHELL
if dockerLogin then
k8sworker2.vm.provision "shell", env: {"USERNAME" => Username.new, "PASSWORD" => Password.new}, inline: <<-SHELL
set +x
docker login -u $USERNAME -p $PASSWORD
SHELL
end
end
end
class Username
def to_s
print "Please enter your dockerhub username and password.\n"
print "Username: "
STDIN.gets.chomp
end
end
class Password
def to_s
begin
system 'stty -echo'
print "Password: "
pass = URI.escape(STDIN.gets.chomp)
ensure
system 'stty echo'
end
pass
end
end