104 lines
3.3 KiB
Ruby
104 lines
3.3 KiB
Ruby
# -*- mode: ruby -*-
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# vi: set ft=ruby :
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pool = ENV["VAGRANT_POOL"] || "10.250.0.0/16"
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ENV["VAGRANT_DEFAULT_PROVIDER"] = "libvirt"
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prefix = pool.gsub(/\.\d+\.\d+\/16$/, "")
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$num_instances = 7
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$vm_memory = 2048
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$vm_cpus = 2
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$user = ENV["USER"]
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$public_subnet = prefix.to_s + ".0"
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$private_subnet = prefix.to_s + ".1"
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$mgmt_cidr = prefix.to_s + ".2.0/24"
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$instance_name_prefix = "#{$user}-k8s"
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# Boxes with libvirt provider support:
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#$box = "yk0/ubuntu-xenial" #900M
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#$box = "centos/7"
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$box = "nrclark/xenial64-minimal-libvirt"
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# Create SSH keys for future lab
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system 'bash ssh-keygen.sh'
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# Create nodes list for future kargo deployment
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nodes=""
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(2..$num_instances).each do |i|
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ip = "#{$private_subnet}.#{i+10}"
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nodes = "#{nodes}#{ip}\n"
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end
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File.open("nodes", 'w') { |file| file.write(nodes) }
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# Create the lab
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Vagrant.configure("2") do |config|
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(1..$num_instances).each do |i|
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# First node would be master node
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if i == 1
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master = true
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else
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master = false
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end
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config.ssh.insert_key = false
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vm_name = "%s-%02d" % [$instance_name_prefix, i]
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config.vm.define vm_name do |test_vm|
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test_vm.vm.box = $box
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test_vm.vm.hostname = vm_name
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# Libvirt provider settings
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test_vm.vm.provider :libvirt do |domain|
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domain.uri = "qemu+unix:///system"
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domain.memory = $vm_memory
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domain.cpus = $vm_cpus
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domain.driver = "kvm"
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domain.host = "localhost"
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domain.connect_via_ssh = false
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domain.username = $user
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domain.storage_pool_name = "default"
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domain.nic_model_type = "e1000"
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domain.management_network_name = "#{$instance_name_prefix}-mgmt-net"
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domain.management_network_address = $mgmt_cidr
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domain.nested = true
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domain.cpu_mode = "host-passthrough"
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domain.volume_cache = "unsafe"
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domain.disk_bus = "virtio"
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end
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# Networks and interfaces
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ip = "#{$private_subnet}.#{i+10}"
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pub_ip = "#{$public_subnet}.#{i+10}"
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# "public" network with nat forwarding
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test_vm.vm.network :private_network,
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:ip => pub_ip,
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:model_type => "e1000",
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:libvirt__network_name => "#{$instance_name_prefix}-public",
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:libvirt__dhcp_enabled => false,
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:libvirt__forward_mode => "nat"
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# "private" isolated network
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test_vm.vm.network :private_network,
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:ip => ip,
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:model_type => "e1000",
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:libvirt__network_name => "#{$instance_name_prefix}-private",
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:libvirt__dhcp_enabled => false,
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:libvirt__forward_mode => "none"
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# Provisioning
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config.vm.provision "file", source: "ssh", destination: "~/ssh"
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if master
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config.vm.provision "deploy-k8s", type: "file", source: "deploy-k8s.kargo.sh", destination: "~/deploy-k8s.kargo.sh"
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config.vm.provision "custom.yaml", type: "file", source: "custom.yaml", destination: "~/custom.yaml"
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config.vm.provision "kubedns.yaml", type: "file", source: "kubedns.yaml", destination: "~/kubedns.yaml"
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config.vm.provision "nodes", type: "file", source: "nodes", destination: "~/nodes"
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config.vm.provision "bootstrap", type: "shell", path: "bootstrap-master.sh"
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else
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config.vm.provision "bootstrap", type: "shell", path: "bootstrap-node.sh"
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end
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end
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end
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end
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