shutit_k8s_the_hard_way.py

# Generated by shutit skeleton
import random
import datetime
import logging
import string
import os
import inspect
from shutit_module import ShutItModule

class shutit_k8s_the_hard_way(ShutItModule):


	def build(self, shutit):
		vagrant_image = shutit.cfg[self.module_id]['vagrant_image']
		vagrant_provider = shutit.cfg[self.module_id]['vagrant_provider']
		gui = shutit.cfg[self.module_id]['gui']
		memory = shutit.cfg[self.module_id]['memory']
		shutit.build['vagrant_run_dir'] = os.path.dirname(os.path.abspath(inspect.getsourcefile(lambda:0))) + '/vagrant_run'
		shutit.build['module_name'] = 'shutit_k8s_the_hard_way_' + ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(6))
		shutit.build['this_vagrant_run_dir'] = shutit.build['vagrant_run_dir'] + '/' + shutit.build['module_name']
		shutit.send(' command rm -rf ' + shutit.build['this_vagrant_run_dir'] + ' && command mkdir -p ' + shutit.build['this_vagrant_run_dir'] + ' && command cd ' + shutit.build['this_vagrant_run_dir'])
		shutit.send('command rm -rf ' + shutit.build['this_vagrant_run_dir'] + ' && command mkdir -p ' + shutit.build['this_vagrant_run_dir'] + ' && command cd ' + shutit.build['this_vagrant_run_dir'])
		if shutit.send_and_get_output('vagrant plugin list | grep landrush') == '':
			shutit.send('vagrant plugin install landrush')
		shutit.send('vagrant init ' + vagrant_image)
		shutit.send_file(shutit.build['this_vagrant_run_dir'] + '/Vagrantfile','''Vagrant.configure("2") do |config|
  config.landrush.enabled = true
  config.vm.provider "virtualbox" do |vb|
    vb.gui = ''' + gui + '''
    vb.memory = "''' + memory + '''"
  end

  config.vm.define "k8sc1" do |k8sc1|
    k8sc1.vm.box = ''' + '"' + vagrant_image + '"' + '''
    k8sc1.vm.hostname = "k8sc1.vagrant.test"
    config.vm.provider :virtualbox do |vb|
      vb.name = "shutit_k8s_the_hard_way_controller1"
      vb.memory = "3072"
    end
  end
  config.vm.define "k8sc2" do |k8sc2|
    k8sc2.vm.box = ''' + '"' + vagrant_image + '"' + '''
    k8sc2.vm.hostname = "k8sc2.vagrant.test"
    config.vm.provider :virtualbox do |vb|
      vb.name = "shutit_k8s_the_hard_way_controller2"
    end
  end
  config.vm.define "k8sc3" do |k8sc3|
    k8sc3.vm.box = ''' + '"' + vagrant_image + '"' + '''
    k8sc3.vm.hostname = "k8sc3.vagrant.test"
    config.vm.provider :virtualbox do |vb|
      vb.name = "shutit_k8s_the_hard_way_controller3"
    end
  end
  config.vm.define "k8sw1" do |k8sw1|
    k8sw1.vm.box = ''' + '"' + vagrant_image + '"' + '''
    k8sw1.vm.hostname = "k8sw1.vagrant.test"
    config.vm.provider :virtualbox do |vb|
      vb.name = "shutit_k8s_the_hard_way_worker1"
    end
  end
  config.vm.define "k8sw2" do |k8sw2|
    k8sw2.vm.box = ''' + '"' + vagrant_image + '"' + '''
    k8sw2.vm.hostname = "k8sw2.vagrant.test"
    config.vm.provider :virtualbox do |vb|
      vb.name = "shutit_k8s_the_hard_way_worker2"
    end
  end
  config.vm.define "k8sw3" do |k8sw3|
    k8sw3.vm.box = ''' + '"' + vagrant_image + '"' + '''
    k8sw3.vm.hostname = "k8sw3.vagrant.test"
    config.vm.provider :virtualbox do |vb|
      vb.name = "shutit_k8s_the_hard_way_worker3"
    end
  end
end''')

		# machines is a dict of dicts containing information about each machine for you to use.
		machines = {}
		machines.update({'k8sc1':{'fqdn':'k8sc1.vagrant.test'}})
		machines.update({'k8sc2':{'fqdn':'k8sc2.vagrant.test'}})
		machines.update({'k8sc3':{'fqdn':'k8sc3.vagrant.test'}})
		machines.update({'k8sw1':{'fqdn':'k8sw1.vagrant.test'}})
		machines.update({'k8sw2':{'fqdn':'k8sw2.vagrant.test'}})
		machines.update({'k8sw3':{'fqdn':'k8sw3.vagrant.test'}})

		try:
			pw = open('secret').read().strip()
		except IOError:
			pw = ''
		if pw == '':
			shutit.log("""You can get round this manual step by creating a 'secret' with your password: 'touch secret && chmod 700 secret'""",level=logging.CRITICAL)
			pw = shutit.get_env_pass()
			import time
			time.sleep(10)

		# Set up the sessions
		shutit_sessions = {}
		for machine in sorted(machines.keys()):
			shutit_sessions.update({machine:shutit.create_session('bash', loglevel='debug')})
		# Set up and validate landrush
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			shutit_session.send('cd ' + shutit.build['this_vagrant_run_dir'])
			# Remove any existing landrush entry.
			shutit_session.send('vagrant landrush rm ' + machines[machine]['fqdn'])
			# Needs to be done serially for stability reasons.
			try:
				shutit_session.multisend('vagrant up --provider ' + shutit.cfg['shutit-library.virtualization.virtualization.virtualization']['virt_method'] + ' ' + machine,{'assword for':pw,'assword:':pw})
			except NameError:
				shutit.multisend('vagrant up ' + machine,{'assword for':pw,'assword:':pw},timeout=99999)
			if shutit.send_and_get_output("vagrant status 2> /dev/null | grep -w ^" + machine + " | awk '{print $2}'") != 'running':
				shutit.pause_point("machine: " + machine + " appears not to have come up cleanly")
			ip = shutit.send_and_get_output('''vagrant landrush ls 2> /dev/null | grep -w ^''' + machines[machine]['fqdn'] + ''' | awk '{print $2}' ''')
			machines.get(machine).update({'ip':ip})
			shutit_session.login(command='vagrant ssh ' + machine)
			shutit_session.login(command='sudo su - ')
			shutit_session.send('sysctl -w net.ipv4.conf.all.route_localnet=1')
			# Correct /etc/hosts
			shutit_session.send(r'''cat <(echo $(ip -4 -o addr show scope global | grep -v 10.0.2.15 | head -1 | awk '{print $4}' | sed 's/\(.*\)\/.*/\1/') $(hostname)) <(cat /etc/hosts | grep -v $(hostname -s)) > /tmp/hosts && mv -f /tmp/hosts /etc/hosts''')
			# Correct any broken ip addresses.
			if shutit.send_and_get_output('''vagrant landrush ls | grep ''' + machine + ''' | grep 10.0.2.15 | wc -l''') != '0':
				shutit_session.log('A 10.0.2.15 landrush ip was detected for machine: ' + machine + ', correcting.',level=logging.WARNING)
				# This beaut gets all the eth0 addresses from the machine and picks the first one that it not 10.0.2.15.
				while True:
					ipaddr = shutit_session.send_and_get_output(r'''ip -4 -o addr show scope global | grep -v 10.0.2.15 | head -1 | awk '{print $4}' | sed 's/\(.*\)\/.*/\1/' ''')
					if ipaddr[0] not in ('1','2','3','4','5','6','7','8','9'):
						time.sleep(10)
					else:
						break
				# Send this on the host (shutit, not shutit_session)
				shutit.send('vagrant landrush set ' + machines[machine]['fqdn'] + ' ' + ipaddr)
			# Check that the landrush entry is there.
			shutit.send('vagrant landrush ls | grep -w ' + machines[machine]['fqdn'])
		# Gather landrush info
		for machine in sorted(machines.keys()):
			ip = shutit.send_and_get_output('''vagrant landrush ls 2> /dev/null | grep -w ^''' + machines[machine]['fqdn'] + ''' | awk '{print $2}' ''')
			machines.get(machine).update({'ip':ip})


		###############################################################################
		# Set root password
		root_pass = 'lowbunker'
		###############################################################################

		###############################################################################
		# Set up hosts
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			# Set root password
			shutit_session.send('echo root:' + root_pass + ' | /usr/sbin/chpasswd')
			shutit_session.send('cd /root')
			shutit_session.send('''sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config''')
			shutit_session.send('''sed -i 's/.*PermitRootLogin.*/PermitRootLogin yes/' /etc/ssh/sshd_config''')
			shutit_session.send('service sshd restart')
			shutit_session.multisend('ssh-keygen',{'save the key':'','passphrase':''})
	
		# Set up key from c1	
		shutit_session_k8sc1 = shutit_sessions['k8sc1']

		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			for to_machine in sorted(machines.keys()):
				shutit_session.multisend('ssh-copy-id root@' + to_machine + '.vagrant.test',{'ontinue connecting':'yes','assword':root_pass}, fail_on_empty_before=False)
				shutit_session.multisend('ssh-copy-id root@' + to_machine,{'ontinue connecting':'yes','assword':root_pass}, fail_on_empty_before=False)

		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			shutit_session.multisend('adduser person',{'Enter new UNIX password':'person','Retype new UNIX password:':'person','Full Name':'','Phone':'','Room':'','Other':'','Is the information correct':'Y'})

		# Setup:
		# POD CIDR hard-coded to 10.200.0.0/16
		pod_cidr = '10.200.0.0/16'
		service_cidr = '10.32.0.0/24'
		# We don't bother with HA just contact first controller's API.
		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/02-client-tools.md
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			shutit_session.send('wget -q --show-progress --https-only --timestamping https://pkg.cfssl.org/R1.2/cfssl_linux-amd64 https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64')
			shutit_session.send('chmod +x cfssl_linux-amd64 cfssljson_linux-amd64')
			shutit_session.send('cp cfssl_linux-amd64 /usr/local/bin/cfssl')
			shutit_session.send('cp cfssljson_linux-amd64 /usr/local/bin/cfssljson')
			shutit_session.send('wget https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubectl')
			shutit_session.send('chmod +x kubectl')
			shutit_session.send('cp kubectl /usr/local/bin/')

		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/04-certificate-authority.md
		# Certificate Authority
		shutit_session_k8sc1.send('''cat > ca-config.json <<EOF
{
  "signing": {
    "default": {
      "expiry": "8760h"
    },
    "profiles": {
      "kubernetes": {
        "usages": ["signing", "key encipherment", "server auth", "client auth"],
        "expiry": "8760h"
      }
    }
  }
}
EOF''')
		shutit_session_k8sc1.send('''cat > ca-csr.json <<EOF
{
  "CN": "Kubernetes",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "Kubernetes",
      "OU": "CA",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('cfssl gencert -initca ca-csr.json | cfssljson -bare ca')

		# Admin client certs
		shutit_session_k8sc1.send('''cat > admin-csr.json <<EOF
{
  "CN": "admin",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "system:masters",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes admin-csr.json | cfssljson -bare admin')

		# Kubelet client certs
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sw1','k8sw2','k8sw3'):
				shutit_session_k8sc1.send('''cat > ''' + machine + '''-csr.json <<EOF
{
  "CN": "system:node:''' + machine + '''",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "system:nodes",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
				shutit_session_k8sc1.send('EXTERNAL_IP=' + machines[machine]['ip'])
				shutit_session_k8sc1.send('INTERNAL_IP=' + machines[machine]['ip'])
				shutit_session_k8sc1.send('''cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -hostname=''' + machine + ''',''' + machines[machine]['fqdn'] + ''',${EXTERNAL_IP},${INTERNAL_IP} -profile=kubernetes ''' + machine + '''-csr.json | cfssljson -bare ''' + machine)


		# Controller manager client certs
		shutit_session_k8sc1.send('''cat > kube-controller-manager-csr.json <<EOF
{
  "CN": "system:kube-controller-manager",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "system:kube-controller-manager",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('''cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes kube-controller-manager-csr.json | cfssljson -bare kube-controller-manager''')


		# Kube proxy client certificate
		shutit_session_k8sc1.send('''cat > kube-proxy-csr.json <<EOF
{
  "CN": "system:kube-proxy",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "system:node-proxier",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('''cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes kube-proxy-csr.json | cfssljson -bare kube-proxy''')

		# Scheduler client certificate
		shutit_session_k8sc1.send('''cat > kube-scheduler-csr.json <<EOF
{
  "CN": "system:kube-scheduler",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "system:kube-scheduler",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('''cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes kube-scheduler-csr.json | cfssljson -bare kube-scheduler''')

		# Kubernetes API server cert
		shutit_session_k8sc1.send('EXTERNAL_IP=' + machines['k8sc1']['ip'])
		shutit_session_k8sc1.send('''cat > kubernetes-csr.json <<EOF
{
  "CN": "kubernetes",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "Kubernetes",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('''cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -hostname=10.32.0.1,10.240.0.10,10.240.0.11,10.240.0.12,${KUBERNETES_PUBLIC_ADDRESS},127.0.0.1,kubernetes.default,k8sc1,k8sc2,k8sc3,k8sw1,k8sw2,k8sw3,k8sc1.vagrant.test,k8sc2.vagrant.test,k8sc3.vagrant.test,k8sw1.vagrant.test,k8sw2.vagrant.test,k8sw3.vagrant.test,''' + machines['k8sc1']['ip'] + ',' + machines['k8sc2']['ip'] + ',' + machines['k8sc3']['ip'] + ',' + machines['k8sw1']['ip'] + ',' + machines['k8sw2']['ip'] + ',' + machines['k8sw3']['ip'] + ''' -profile=kubernetes kubernetes-csr.json | cfssljson -bare kubernetes''')

		# Service account key pair
		shutit_session_k8sc1.send('''cat > service-account-csr.json <<EOF
{
  "CN": "service-accounts",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Portland",
      "O": "Kubernetes",
      "OU": "Kubernetes The Hard Way",
      "ST": "Oregon"
    }
  ]
}
EOF''')
		shutit_session_k8sc1.send('cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes service-account-csr.json | cfssljson -bare service-account')


		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sw1','k8sw2','k8sw3'):
				shutit_session_k8sc1.multisend('scp ca.pem ' + machine + '-key.pem ' + machine + '.pem ' + machine + ':~/',{'onnecting':'yes'})
			if machine in ('k8sc1','k8sc2','k8sc3'):
  				shutit_session_k8sc1.multisend('scp ca.pem ca-key.pem kubernetes-key.pem kubernetes.pem service-account-key.pem service-account.pem ' + machine + ':~/',{'onnecting':'yes'})

		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/05-kubernetes-configuration-files.md
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			shutit_session.send('KUBERNETES_PUBLIC_ADDRESS=' + machines['k8sc1']['ip'])
			if machine in ('k8sw1','k8sw2','k8sw3'):
				shutit_session.send('kubectl config set-cluster kubernetes-the-hard-way --certificate-authority=ca.pem --embed-certs=true --server=https://${KUBERNETES_PUBLIC_ADDRESS}:6443 --kubeconfig=' + machine + '.kubeconfig')
				shutit_session.send('kubectl config set-credentials system:node:' + machine + ' --client-certificate=' + machine + '.pem --client-key=' + machine + '-key.pem --embed-certs=true --kubeconfig=' + machine + '.kubeconfig')
				shutit_session.send('kubectl config set-context default --cluster=kubernetes-the-hard-way --user=system:node:' + machine + ' --kubeconfig=' + machine + '.kubeconfig')
				shutit_session.send('kubectl config use-context default --kubeconfig=' + machine + '.kubeconfig')

		shutit_session_k8sc1.send('KUBERNETES_PUBLIC_ADDRESS=' + machines['k8sc1']['ip'])
		shutit_session_k8sc1.send('kubectl config set-cluster kubernetes-the-hard-way --certificate-authority=ca.pem --embed-certs=true --server=https://${KUBERNETES_PUBLIC_ADDRESS}:6443 --kubeconfig=kube-proxy.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-credentials system:kube-proxy --client-certificate=kube-proxy.pem --client-key=kube-proxy-key.pem --embed-certs=true --kubeconfig=kube-proxy.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-context default --cluster=kubernetes-the-hard-way --user=system:kube-proxy --kubeconfig=kube-proxy.kubeconfig')
		shutit_session_k8sc1.send('kubectl config use-context default --kubeconfig=kube-proxy.kubeconfig')

		shutit_session_k8sc1.send('kubectl config set-cluster kubernetes-the-hard-way --certificate-authority=ca.pem --embed-certs=true --server=https://127.0.0.1:6443 --kubeconfig=kube-controller-manager.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-credentials system:kube-controller-manager --client-certificate=kube-controller-manager.pem --client-key=kube-controller-manager-key.pem --embed-certs=true --kubeconfig=kube-controller-manager.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-context default --cluster=kubernetes-the-hard-way --user=system:kube-controller-manager --kubeconfig=kube-controller-manager.kubeconfig')
		shutit_session_k8sc1.send('kubectl config use-context default --kubeconfig=kube-controller-manager.kubeconfig')

		shutit_session_k8sc1.send('kubectl config set-cluster kubernetes-the-hard-way --certificate-authority=ca.pem --embed-certs=true --server=https://127.0.0.1:6443 --kubeconfig=kube-scheduler.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-credentials system:kube-scheduler --client-certificate=kube-scheduler.pem --client-key=kube-scheduler-key.pem --embed-certs=true --kubeconfig=kube-scheduler.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-context default --cluster=kubernetes-the-hard-way --user=system:kube-scheduler --kubeconfig=kube-scheduler.kubeconfig')
		shutit_session_k8sc1.send('kubectl config use-context default --kubeconfig=kube-scheduler.kubeconfig')

		shutit_session_k8sc1.send('kubectl config set-cluster kubernetes-the-hard-way --certificate-authority=ca.pem --embed-certs=true --server=https://127.0.0.1:6443 --kubeconfig=admin.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-credentials admin --client-certificate=admin.pem --client-key=admin-key.pem --embed-certs=true --kubeconfig=admin.kubeconfig')
		shutit_session_k8sc1.send('kubectl config set-context default --cluster=kubernetes-the-hard-way --user=admin --kubeconfig=admin.kubeconfig')
		shutit_session_k8sc1.send('kubectl config use-context default --kubeconfig=admin.kubeconfig')

		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sw1','k8sw2','k8sw3'):
				shutit_session_k8sc1.multisend('scp ' + machine + '.kubeconfig kube-proxy.kubeconfig ' + machine + ':~/',{'onnecting':'yes'})
			if machine in ('k8sc1','k8sc2','k8sc3'):
				shutit_session_k8sc1.multisend('scp /root/admin.kubeconfig kube-controller-manager.kubeconfig kube-scheduler.kubeconfig ' + machine + ':~/',{'onnecting':'yes'})

		# https://github.com/ianmiell/kubernetes-the-hard-way/blob/master/docs/06-data-encryption-keys.md
		shutit_session_k8sc1.send('ENCRYPTION_KEY=$(head -c 32 /dev/urandom | base64)')
		shutit_session_k8sc1.send('''cat > encryption-config.yaml <<EOF
kind: EncryptionConfig
apiVersion: v1
resources:
  - resources:
      - secrets
    providers:
      - aescbc:
          keys:
            - name: key1
              secret: ${ENCRYPTION_KEY}
      - identity: {}
EOF''')
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sc1','k8sc2','k8sc3'):
				shutit_session_k8sc1.multisend('scp encryption-config.yaml ' + machine + ':~/',{'onnecting':'yes'})

		# https://github.com/ianmiell/kubernetes-the-hard-way/blob/master/docs/07-bootstrapping-etcd.md
		
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sc1','k8sc2','k8sc3'):
				shutit_session.send('wget -q --show-progress --https-only --timestamping "https://github.com/coreos/etcd/releases/download/v3.3.5/etcd-v3.3.5-linux-amd64.tar.gz"')
				shutit_session.send('tar -xvf etcd-v3.3.5-linux-amd64.tar.gz')
				shutit_session.send('cp etcd-v3.3.5-linux-amd64/etcd* /usr/local/bin/')
				shutit_session.send('mkdir -p /etc/etcd /var/lib/etcd')
				shutit_session.send('cp ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/')
				shutit_session.send('INTERNAL_IP=' + machines[machine]['ip'])
				shutit_session.send('ETCD_NAME=$(hostname -s)')
				shutit_session.send('''cat <<EOF | tee /etc/systemd/system/etcd.service
[Unit]
Description=etcd
Documentation=https://github.com/coreos

[Service]
ExecStart=/usr/local/bin/etcd --name ${ETCD_NAME} --cert-file=/etc/etcd/kubernetes.pem --key-file=/etc/etcd/kubernetes-key.pem --peer-cert-file=/etc/etcd/kubernetes.pem --peer-key-file=/etc/etcd/kubernetes-key.pem --trusted-ca-file=/etc/etcd/ca.pem --peer-trusted-ca-file=/etc/etcd/ca.pem --peer-client-cert-auth --client-cert-auth --initial-advertise-peer-urls https://${INTERNAL_IP}:2380 --listen-peer-urls https://${INTERNAL_IP}:2380 --listen-client-urls https://${INTERNAL_IP}:2379,https://127.0.0.1:2379 --advertise-client-urls https://${INTERNAL_IP}:2379 --initial-cluster-token etcd-cluster-0 --initial-cluster k8sc1=https://''' + machines['k8sc1']['ip'] + ''':2380,k8sc2=https://''' + machines['k8sc2']['ip'] + ''':2380,k8sc3=https://''' + machines['k8sc3']['ip'] + ''':2380 --initial-cluster-state new --data-dir=/var/lib/etcd
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF''')
				shutit_session.send('systemctl daemon-reload')
				shutit_session.send('systemctl enable etcd')

		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sc1','k8sc2','k8sc3'):
				shutit_session.send('systemctl start etcd')

		shutit_session_k8sc1.send_until('ETCDCTL_API=3 etcdctl member list --endpoints=https://127.0.0.1:2379 --cacert=/etc/etcd/ca.pem --cert=/etc/etcd/kubernetes.pem --key=/etc/etcd/kubernetes-key.pem | grep -w started | wc -l','3')


		
		# https://github.com/ianmiell/kubernetes-the-hard-way/blob/master/docs/08-bootstrapping-kubernetes-controllers.md
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sc1','k8sc2','k8sc3'):
				shutit_session.send('mkdir -p /etc/kubernetes/config')
				shutit_session.send('wget -q --show-progress --https-only --timestamping "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-apiserver" "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-controller-manager" "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-scheduler" "https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubectl"')

				shutit_session.send('chmod +x kube-apiserver kube-controller-manager kube-scheduler kubectl')
				shutit_session.send('cp kube-apiserver kube-controller-manager kube-scheduler kubectl /usr/local/bin/')
				shutit_session.send('mkdir -p /var/lib/kubernetes/')
				shutit_session.send('cp ca.pem ca-key.pem kubernetes-key.pem kubernetes.pem service-account-key.pem service-account.pem encryption-config.yaml /var/lib/kubernetes/')
				shutit_session.send('INTERNAL_IP=' + machines[machine]['ip'])
				shutit_session.send('''cat <<EOF | tee /etc/systemd/system/kube-apiserver.service
[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/kubernetes/kubernetes

[Service]
ExecStart=/usr/local/bin/kube-apiserver --advertise-address=${INTERNAL_IP} --allow-privileged=true --apiserver-count=3 --audit-log-maxage=30 --audit-log-maxbackup=3 --audit-log-maxsize=100 --audit-log-path=/var/log/audit.log --authorization-mode=Node,RBAC --bind-address=0.0.0.0 --client-ca-file=/var/lib/kubernetes/ca.pem --enable-admission-plugins=Initializers,NamespaceLifecycle,NodeRestriction,LimitRanger,ServiceAccount,DefaultStorageClass,ResourceQuota --enable-swagger-ui=true --etcd-cafile=/var/lib/kubernetes/ca.pem --etcd-certfile=/var/lib/kubernetes/kubernetes.pem --etcd-keyfile=/var/lib/kubernetes/kubernetes-key.pem --etcd-servers=https://''' + machines['k8sc1']['ip'] + ''':2379,https://''' + machines['k8sc2']['ip'] + ''':2379,https://''' + machines['k8sc3']['ip'] + ''':2379 --event-ttl=1h --experimental-encryption-provider-config=/var/lib/kubernetes/encryption-config.yaml --kubelet-certificate-authority=/var/lib/kubernetes/ca.pem --kubelet-client-certificate=/var/lib/kubernetes/kubernetes.pem --kubelet-client-key=/var/lib/kubernetes/kubernetes-key.pem --kubelet-https=true --runtime-config=api/all --service-account-key-file=/var/lib/kubernetes/service-account.pem --service-cluster-ip-range=''' + service_cidr + ''' --service-node-port-range=30000-32767 --tls-cert-file=/var/lib/kubernetes/kubernetes.pem --tls-private-key-file=/var/lib/kubernetes/kubernetes-key.pem --v=2
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF''')

				shutit_session.send('cp kube-controller-manager.kubeconfig /var/lib/kubernetes/')

				shutit_session.send('''cat <<EOF | tee /etc/systemd/system/kube-controller-manager.service
[Unit]
Description=Kubernetes Controller Manager
Documentation=https://github.com/kubernetes/kubernetes

[Service]
ExecStart=/usr/local/bin/kube-controller-manager --address=0.0.0.0 --cluster-cidr=10.200.0.0/16 --cluster-name=kubernetes --cluster-signing-cert-file=/var/lib/kubernetes/ca.pem --cluster-signing-key-file=/var/lib/kubernetes/ca-key.pem --kubeconfig=/var/lib/kubernetes/kube-controller-manager.kubeconfig --leader-elect=true --root-ca-file=/var/lib/kubernetes/ca.pem --service-account-private-key-file=/var/lib/kubernetes/service-account-key.pem --service-cluster-ip-range=''' + service_cidr + ''' --use-service-account-credentials=true --v=2
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF''')

				shutit_session.send('cp kube-scheduler.kubeconfig /var/lib/kubernetes/')
				shutit_session.send('''cat <<EOF | tee /etc/kubernetes/config/kube-scheduler.yaml
apiVersion: componentconfig/v1alpha1
kind: KubeSchedulerConfiguration
clientConnection:
  kubeconfig: "/var/lib/kubernetes/kube-scheduler.kubeconfig"
leaderElection:
  leaderElect: true
EOF''')
				shutit_session.send('''cat <<EOF | tee /etc/systemd/system/kube-scheduler.service
[Unit]
Description=Kubernetes Scheduler
Documentation=https://github.com/kubernetes/kubernetes

[Service]
ExecStart=/usr/local/bin/kube-scheduler --config=/etc/kubernetes/config/kube-scheduler.yaml --v=2
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF''')

		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sc1','k8sc2','k8sc3'):
				shutit_session.send('systemctl daemon-reload')
				shutit_session.send('systemctl enable kube-apiserver kube-controller-manager kube-scheduler')
				shutit_session.send('systemctl start kube-apiserver kube-controller-manager kube-scheduler')



				shutit_session.send('apt-get install -y nginx')
				shutit_session.send('''cat > kubernetes.default.svc.cluster.local <<EOF
server {
  listen      80;
  server_name kubernetes.default.svc.cluster.local;

  location /healthz {
     proxy_pass                    https://127.0.0.1:6443/healthz;
     proxy_ssl_trusted_certificate /var/lib/kubernetes/ca.pem;
  }
}
EOF''')

				shutit_session.send('cp kubernetes.default.svc.cluster.local /etc/nginx/sites-available/kubernetes.default.svc.cluster.local')
				shutit_session.send('ln -s /etc/nginx/sites-available/kubernetes.default.svc.cluster.local /etc/nginx/sites-enabled/')

				shutit_session.send('systemctl restart nginx')
				shutit_session.send('systemctl enable nginx')

				shutit_session.send_until('kubectl get componentstatuses --kubeconfig admin.kubeconfig | grep Healthy | wc -l','5')
				shutit_session.send('curl -H "Host: kubernetes.default.svc.cluster.local" -i http://127.0.0.1/healthz')
		shutit_session_k8sc1.send('sleep 30')
		shutit_session_k8sc1.send('''cat <<EOF | kubectl apply --kubeconfig admin.kubeconfig -f -
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
  labels:
    kubernetes.io/bootstrapping: rbac-defaults
  name: system:kube-apiserver-to-kubelet
rules:
  - apiGroups:
      - ""
    resources:
      - nodes/proxy
      - nodes/stats
      - nodes/log
      - nodes/spec
      - nodes/metrics
    verbs:
      - "*"
EOF''')
		shutit_session_k8sc1.send('''cat <<EOF | kubectl apply --kubeconfig admin.kubeconfig -f -
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: system:kube-apiserver
  namespace: ""
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:kube-apiserver-to-kubelet
subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: User
    name: kubernetes
EOF''')

		# Load balancer skipped - we use k8sc1
		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/09-bootstrapping-kubernetes-workers.md
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sw1','k8sw2','k8sw3'):
				shutit_session.install('socat')
				shutit_session.install('conntrack')
				shutit_session.install('ipset')
				shutit_session.send('wget -q --show-progress --https-only --timestamping https://github.com/kubernetes-incubator/cri-tools/releases/download/v1.0.0-beta.0/crictl-v1.0.0-beta.0-linux-amd64.tar.gz https://storage.googleapis.com/kubernetes-the-hard-way/runsc https://github.com/opencontainers/runc/releases/download/v1.0.0-rc5/runc.amd64 https://github.com/containernetworking/plugins/releases/download/v0.6.0/cni-plugins-amd64-v0.6.0.tgz https://github.com/containerd/containerd/releases/download/v1.1.0/containerd-1.1.0.linux-amd64.tar.gz https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubectl https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kube-proxy https://storage.googleapis.com/kubernetes-release/release/v1.10.2/bin/linux/amd64/kubelet')
				shutit_session.send('mkdir -p /etc/cni/net.d /opt/cni/bin /var/lib/kubelet /var/lib/kube-proxy /var/lib/kubernetes /var/run/kubernetes')
				shutit_session.send('chmod +x kubectl kube-proxy kubelet runc.amd64 runsc')
				shutit_session.send('cp runc.amd64 runc')
				shutit_session.send('cp kubectl kube-proxy kubelet runc runsc /usr/local/bin/')
				shutit_session.send('tar -xvf crictl-v1.0.0-beta.0-linux-amd64.tar.gz -C /usr/local/bin/')
				shutit_session.send('tar -xvf cni-plugins-amd64-v0.6.0.tgz -C /opt/cni/bin/')
				shutit_session.send('tar -xvf containerd-1.1.0.linux-amd64.tar.gz -C /')
				shutit_session.send('POD_CIDR=' + pod_cidr)
				shutit_session.send('''cat <<EOF | tee /etc/cni/net.d/10-bridge.conf
{
    "cniVersion": "0.3.1",
    "name": "bridge",
    "type": "bridge",
    "bridge": "cnio0",
    "isGateway": true,
    "ipMasq": true,
    "ipam": {
        "type": "host-local",
        "ranges": [
          [{"subnet": "${POD_CIDR}"}]
        ],
        "routes": [{"dst": "0.0.0.0/0"}]
    }
}
EOF''')
				shutit_session.send('''cat <<EOF | tee /etc/cni/net.d/99-loopback.conf
{
    "cniVersion": "0.3.1",
    "type": "loopback"
}
EOF''')

				shutit_session.send('mkdir -p /etc/containerd')
				shutit_session.send('''cat <<EOF | tee /etc/containerd/config.toml
[plugins]
  [plugins.cri.containerd]
    snapshotter = "overlayfs"
    [plugins.cri.containerd.default_runtime]
      runtime_type = "io.containerd.runtime.v1.linux"
      runtime_engine = "/usr/local/bin/runc"
      runtime_root = ""
    [plugins.cri.containerd.untrusted_workload_runtime]
      runtime_type = "io.containerd.runtime.v1.linux"
      runtime_engine = "/usr/local/bin/runsc"
      runtime_root = "/run/containerd/runsc"
EOF''')
				shutit_session.send('''cat <<EOF | tee /etc/systemd/system/containerd.service
[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=network.target

[Service]
ExecStartPre=/sbin/modprobe overlay
ExecStart=/bin/containerd
Restart=always
RestartSec=5
Delegate=yes
KillMode=process
OOMScoreAdjust=-999
LimitNOFILE=1048576
LimitNPROC=infinity
LimitCORE=infinity

[Install]
WantedBy=multi-user.target
EOF''')
				shutit_session.send('cp ${HOSTNAME}-key.pem ${HOSTNAME}.pem /var/lib/kubelet/')
				shutit_session.send('cp ${HOSTNAME}.kubeconfig /var/lib/kubelet/kubeconfig')
				shutit_session.send('cp ca.pem /var/lib/kubernetes/')
				shutit_session.send('''cat <<EOF | tee /var/lib/kubelet/kubelet-config.yaml
kind: KubeletConfiguration
apiVersion: kubelet.config.k8s.io/v1beta1
authentication:
  anonymous:
    enabled: false
  webhook:
    enabled: true
  x509:
    clientCAFile: "/var/lib/kubernetes/ca.pem"
authorization:
  mode: Webhook
clusterDomain: "cluster.local"
clusterDNS:
  - "10.32.0.10"
podCIDR: "${POD_CIDR}"
runtimeRequestTimeout: "15m"
tlsCertFile: "/var/lib/kubelet/${HOSTNAME}.pem"
tlsPrivateKeyFile: "/var/lib/kubelet/${HOSTNAME}-key.pem"
EOF''')



				shutit_session.send('''cat <<EOF | tee /etc/systemd/system/kubelet.service
[Unit]
Description=Kubernetes Kubelet
Documentation=https://github.com/kubernetes/kubernetes
After=containerd.service
Requires=containerd.service

[Service]
ExecStart=/usr/local/bin/kubelet --config=/var/lib/kubelet/kubelet-config.yaml --container-runtime=remote --container-runtime-endpoint=unix:///var/run/containerd/containerd.sock --image-pull-progress-deadline=2m --kubeconfig=/var/lib/kubelet/kubeconfig --network-plugin=cni --register-node=true --v=2
Restart=on-failure
RestartSec=5

[Install]
WoantedBy=multi-user.target
EOF''')
 
				shutit_session.send('cp kube-proxy.kubeconfig /var/lib/kube-proxy/kubeconfig')
				shutit_session.send('''cat <<EOF | sudo tee /var/lib/kube-proxy/kube-proxy-config.yaml
kind: KubeProxyConfiguration
apiVersion: kubeproxy.config.k8s.io/v1alpha1
clientConnection:
  kubeconfig: "/var/lib/kube-proxy/kubeconfig"
mode: "iptables"
clusterCIDR: "10.200.0.0/16"
EOF''')
				shutit_session.send('''cat <<EOF | sudo tee /etc/systemd/system/kube-proxy.service
[Unit]
Description=Kubernetes Kube Proxy
Documentation=https://github.com/kubernetes/kubernetes

[Service]
ExecStart=/usr/local/bin/kube-proxy --config=/var/lib/kube-proxy/kube-proxy-config.yaml
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF''')


				shutit_session.send('systemctl daemon-reload')
				shutit_session.send('systemctl enable containerd kubelet kube-proxy')
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sw1','k8sw2','k8sw3'):
				shutit_session.send('systemctl start containerd kubelet kube-proxy')

		shutit_session_k8sc1.send('kubectl get nodes --kubeconfig admin.kubeconfig')

		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/10-configuring-kubectl.md
		shutit_session_k8sc1.send('kubectl config set-cluster kubernetes-the-hard-way --certificate-authority=ca.pem --embed-certs=true --server=https://${KUBERNETES_PUBLIC_ADDRESS}:6443')
		shutit_session_k8sc1.send('kubectl config set-credentials admin --client-certificate=admin.pem --client-key=admin-key.pem')
		shutit_session_k8sc1.send('kubectl config set-context kubernetes-the-hard-way --cluster=kubernetes-the-hard-way --user=admin')
		shutit_session_k8sc1.send('kubectl config use-context kubernetes-the-hard-way')
		shutit_session_k8sc1.send('kubectl get componentstatuses')
		shutit_session_k8sc1.send('kubectl get nodes')

		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/11-pod-network-routes.md
		# TODO: Use OVN: https://github.com/openvswitch/ovn-kubernetes
		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			# https://github.com/openvswitch/ovn-kubernetes/blob/master/docs/INSTALL.UBUNTU.md
			shutit_session.send('apt-get install apt-transport-https')
			shutit_session.send('echo "deb http://18.191.116.101/openvswitch/stable /" |  sudo tee /etc/apt/sources.list.d/openvswitch.list')
			shutit_session.send('wget -O - http://18.191.116.101/openvswitch/keyFile |  sudo apt-key add -')
			shutit_session.send('apt-get update -y')
			shutit_session.send('apt-get build-dep -y dkms')
			shutit_session.send('apt-get install python-six openssl -y')
			shutit_session.send('apt-get install openvswitch-datapath-dkms -y')
			shutit_session.send('apt-get install openvswitch-switch openvswitch-common -y')
			if machine == 'k8sc1':
				shutit_session.send('apt-get install ovn-central ovn-common ovn-host -y')
				#shutit_session.install('golang-go')
				shutit_session.multisend('add-apt-repository ppa:gophers/archive',{'to continue':''})
				shutit_session.send('apt-get update -y')
				shutit_session.send('apt-get install -y golang-1.10-go')
				shutit_session.send('PATH=/usr/lib/go-1.10/bin:${PATH}')
				shutit_session.send('export GOPATH=$HOME/work')
				shutit_session.send('mkdir -p $GOPATH/github.com/openvswitch')
				shutit_session.send('cd $GOPATH/github.com/openvswitch')
				shutit_session.send('git clone https://github.com/openvswitch/ovn-kubernetes')
				shutit_session.send('cd ovn-kubernetes/go-controller')
				shutit_session.send('make')
				shutit_session.send('make install')
				# TODO: copy ovnkube
			else:
				shutit_session.send('apt-get install ovn-common ovn-host -y')
			shutit_session.send('modprobe vport-geneve')
			shutit_session.send('/usr/share/openvswitch/scripts/ovs-ctl --protocol=udp --dport=6081 enable-protocol')
		shutit_session_k8sc1.send('SERVICE_IP_SUBNET=' + service_cidr)
		shutit_session_k8sc1.send('CLUSTER_IP_SUBNET=' + pod_cidr)
		shutit_session_k8sc1.send('CENTRAL_IP='        + machines['k8sc1']['ip'])
		shutit_session_k8sc1.send('NODE_NAME=k8sc1')
		shutit_session_k8sc1.send('''TOKEN==$(kubectl describe secret $(kubectl get secrets | grep ^default | awk '{print $1}') | grep ^token | awk '{print $NF}')''')
		shutit_session_k8sc1.send(r'''nohup ovnkube      \
			-k8s-kubeconfig /root/.kube/config           \
			-net-controller                              \
			-loglevel=4                                  \
			-k8s-apiserver="http://$CENTRAL_IP:8080"     \
			-logfile="/var/log/openvswitch/ovnkube.log"  \
			-init-master=$NODE_NAME                      \
			-cluster-subnet="$CLUSTER_IP_SUBNET"         \
			-service-cluster-ip-range=$SERVICE_IP_SUBNET \
			-nodeport                                    \
			-init-gateways                               \
			-gateway-localnet                            \
			-k8s-token="$TOKEN"                          \
			-nb-address="tcp://$CENTRAL_IP:6641"         \
			-sb-address="tcp://$CENTRAL_IP:6642" 2>&1 &''')

		for machine in sorted(machines.keys()):
			if machine != 'k8sc1':
				shutit_session_k8sc1.send('scp /usr/bin/ovnkube ' + machine + ':/usr/bin/ovnkube')
			if machine in ('k8sw1','k8sw2','k8sw3'):
				# Copy over the admin kubeconfig etc so that ovnkube can be started
				shutit_session_k8sc1.send('scp /root/admin* ' + machine + ':')


		for machine in sorted(machines.keys()):
			shutit_session = shutit_sessions[machine]
			if machine in ('k8sw1','k8sw2','k8sw3'):
#For both the above cases, ovnkube will create a OVS bridge on top of your physical interface and move the IP address and route informations from the physical interface to OVS bridge. If you are using Ubuntu and OVS startup scripts are systemd (e.g: there is a file called /lib/systemd/system/ovsdb-server.service) , you will have to add the following line to /etc/default/openvswitch
#OPTIONS=--delete-transient-ports
				# Copy the admin kubeconfig because it gets auto-rewritten for some reason
				shutit_session.send('cp /root/admin.kubeconfig* /root/admin_copy.kubeconfig')
				shutit_session.send(r'''sed -i 's@127.0.0.1@''' + machines['k8sc1']['ip'] + '''@' /root/admin_copy.kubeconfig''')
				shutit_session.send('CENTRAL_IP=' + machines['k8sc1']['ip'])
				shutit_session.send('NODE_NAME=' + machine)
				shutit_session.send('CLUSTER_IP_SUBNET=10.200.0.0/16')
				shutit_session.send('SERVICE_IP_SUBNET=10.32.0.0/24')
				shutit_session.send('''TOKEN=$(kubectl --kubeconfig /root/admin_copy.kubeconfig describe secret $(kubectl --kubeconfig /root/admin_copy.kubeconfig get secrets | grep ^default | awk '{print $1}') | grep ^token | awk '{print $NF}')''')
				shutit_session.send(r'''nohup ovnkube            \
					-k8s-kubeconfig /root/admin_copy.kubeconfig  \
					-loglevel=4                                  \
					-logfile="/var/log/openvswitch/ovnkube.log"  \
					-k8s-apiserver="http://$CENTRAL_IP:8080"     \
					-init-node="$NODE_NAME"                      \
					-cluster-subnet=$CLUSTER_IP_SUBNET           \
					-service-cluster-ip-range=$SERVICE_IP_SUBNET \
					-nodeport                                    \
					-init-gateways                               \
					-k8s-token="$TOKEN"                          \
					-nb-address="tcp://$CENTRAL_IP:6641"         \
					-sb-address="tcp://$CENTRAL_IP:6642" 2>&1 &''')

		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/12-dns-addon.md
		shutit_session_k8sc1.send('kubectl create -f https://storage.googleapis.com/kubernetes-the-hard-way/kube-dns.yaml')
		shutit_session_k8sc1.send('kubectl run busybox --image=busybox --command -- sleep 3600')
		shutit_session_k8sc1.send_until('kubectl get pods -l run=busybox','.*Running.*')
		shutit_session_k8sc1.send('POD_NAME=$(kubectl get pods -l run=busybox -o jsonpath="{.items[0].metadata.name}")')
		shutit_session_k8sc1.send_until('kubectl exec -ti $POD_NAME -- nslookup kubernetes','.*kube-dns.kube-system.svc.cluster.local.*')

		# https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/13-smoke-test.md

		shutit_session_k8sc1.pause_point('all done')
		return True


	def get_config(self, shutit):
		shutit.get_config(self.module_id,'vagrant_image',default='ubuntu/bionic64')
		shutit.get_config(self.module_id,'vagrant_image',default='ubuntu/xenial64')
		shutit.get_config(self.module_id,'vagrant_provider',default='virtualbox')
		shutit.get_config(self.module_id,'gui',default='false')
		shutit.get_config(self.module_id,'memory',default='1024')
		shutit.get_config(self.module_id,'swapsize',default='2G')
		return True

	def test(self, shutit):
		return True

	def finalize(self, shutit):
		return True

	def is_installed(self, shutit):
		return False

	def start(self, shutit):
		return True

	def stop(self, shutit):
		return True

def module():
	return shutit_k8s_the_hard_way(
		'git.shutit_k8s_the_hard_way.shutit_k8s_the_hard_way', 1403397676.0001,
		description='',
		maintainer='',
		delivery_methods=['bash'],
		depends=['shutit.tk.setup','shutit-library.virtualization.virtualization.virtualization','tk.shutit.vagrant.vagrant.vagrant']
	)