Add support for deployment via kargo-cli

Vagrantfile

@@ -2,15 +2,17 @@
 # vi: set ft=ruby :
 
 ENV["VAGRANT_DEFAULT_PROVIDER"] = "libvirt"
+pool = ENV["VAGRANT_POOL"] || "10.210.0.0/16"
+prefix = pool.gsub(/\.\d+\.\d+\/16$/, "")
 
 $num_instances = 7
 $vm_memory = 2048
 $vm_cpus = 2
 
-$user = "adidenko"
-$public_subnet = "10.210.0"
-$private_subnet = "10.210.1"
-$mgmt_cidr = "10.210.2.0/24"
+$user = ENV["USER"]
+$public_subnet = prefix.to_s + ".0"
+$private_subnet = prefix.to_s + ".1"
+$mgmt_cidr = prefix.to_s + ".2.0/24"
 
 $instance_name_prefix = "#{$user}-k8s"
 # Boxes with libvirt provider support:
@@ -18,12 +20,23 @@ $instance_name_prefix = "#{$user}-k8s"
 #$box = "centos/7"
 $box = "nrclark/xenial64-minimal-libvirt"
 
+nodes=""
+(1..$num_instances).each do |i|
+  ip = "#{$private_subnet}.#{i+10}"
+  test_vm.vm.network :private_network, :ip => "#{ip}"
+  nodes = "#{nodes}#{ip}\n"
+end
+File.open("nodes", 'w') { |file| file.write(nodes) }
+
 Vagrant.configure("2") do |config|
   (1..$num_instances).each do |i|
+    # First node would be master node
     if i == 1
       bootstrap_script = "bootstrap-master.sh"
+      master = true
     else
       bootstrap_script = "bootstrap-node.sh"
+      master = false
     end
     config.ssh.insert_key = false
     vm_name = "%s-%02d" % [$instance_name_prefix, i]
@@ -42,11 +55,21 @@ Vagrant.configure("2") do |config|
         domain.nic_model_type = "e1000"
         domain.management_network_name = "#{$instance_name_prefix}-mgmt-net"
         domain.management_network_address = $mgmt_cidr
+        domain.nested = true
+        domain.cpu_mode = "host-passthrough"
+        domain.volume_cache = "unsafe"
+        domain.disk_bus = "virtio"
       end
 
-      test_vm.vm.network :private_network, :ip => "#{$private_subnet}.#{i+10}"
+      ip = "#{$private_subnet}.#{i+10}"
+      test_vm.vm.network :private_network, :ip => "#{ip}"
 
       # Provisioning
+      if master
+        config.vm.provision "file", source: "deploy-k8s.kargo.sh", destination: "~/deploy-k8s.kargo.sh"
+        config.vm.provision "file", source: "custom.yaml", destination: "~/custom.yaml"
+        config.vm.provision "file", source: "nodes", destination: "~/nodes"
+      end
       config.vm.provision "file", source: "ssh", destination: "~/ssh"
       config.vm.provision :shell, :path => bootstrap_script
 

bootstrap-master.sh

@@ -1,16 +1,35 @@
 #!/bin/bash
 echo master > /var/tmp/role
 
+# Packages
 sudo apt-get --yes update
 sudo apt-get --yes upgrade
-sudo apt-get --yes install ansible git screen vim telnet tcpdump
+sudo apt-get --yes install ansible git screen vim telnet tcpdump python-setuptools gcc python-dev python-pip libssl-dev libffi-dev software-properties-common
+
+# Kargo and custom inventory
 sudo git clone https://github.com/kubespray/kargo /root/kargo
 sudo git clone https://github.com/adidenko/vagrant-k8s /root/vagrant-k8s
 sudo cp -a /root/vagrant-k8s/kargo/inv /root/kargo/inv
 
+# Kargo-cli
+sudo git clone https://github.com/kubespray/kargo-cli.git /root/kargo-cli
+sudo sh -c 'cd /root/kargo-cli && python setup.py install'
+
+# Pip
+sudo pip install kpm
+
+# k8s deploy script and config
+sudo sh -c 'cp -a ~/deploy-k8s.kargo.sh /root/ && chmod 755 /root/deploy-k8s.kargo.sh'
+sudo cp -a ~/custom.yaml /root/kargo/custom.yaml
+
+# SSH keys and config
 sudo rm -rf /root/.ssh
 sudo mv ~vagrant/ssh /root/.ssh
 sudo echo -e 'Host 10.210.*\n\tStrictHostKeyChecking no\n\tUserKnownHostsFile=/dev/null' >> /root/.ssh/config
 sudo chown -R root: /root/.ssh
 
+# Save nodes list
+sudo cp ~/nodes /root/nodes
+
+# README
 sudo echo 'cd /root/kargo ; ansible-playbook -vvv -i inv/inventory.cfg cluster.yml -u root -f 7' > /root/README

custom.yaml

@@ -0,0 +1,2 @@
+kube_network_plugin: "calico"
+kube_proxy_mode: "iptables"

deploy-k8s.kargo.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+custom_opts='--ansible-opts="-e @kargo/custom.yaml"'
+nodes=""
+
+i=0
+for nodeip in `cat /root/nodes` ; do
+  i=$(( $i+1 ))
+  nodes+=" node${i}[ansible_ssh_host=${nodeip},ip=${nodeip}]"
+done
+
+kargo prepare -y --nodes $nodes
+kargo deploy -y $custom_opts
+deploy_res=$?
+
+if [ "$deploy_res" -eq "0" ]; then
+  echo "Setting up kubedns..."
+  kpm deploy kube-system/kubedns --namespace=kube-system
+fi