VagrantFile

ENV["LC_ALL"] = "en_US.UTF-8"

# The subnet of VMs
SUBNET_PREFIX = "172.168.50."

# Master IP of k8s
MASTER_IP = SUBNET_PREFIX+"10"

# Specification of Master
MASTER_MEM = 3072
MASTER_CPUS = 2

# Specification of Worker node and number of them
WORKER_MEM = 3072
WORKER_CPUS = 4
WORKER_NUM = 3

# The names for VM and hostname
VMNAME="k8s"
DOMAIN="nogada.dev"
WORKER_GROUP = VMNAME+"[1:"+WORKER_NUM.to_s+"]"

# Cluster IP subnet for k8s
K8S_POD_CIDR = "192.168.0.0/16"

Vagrant.configure("2") do |config|

    config.vm.box = "centos/7"
    config.hostmanager.enabled=true
    config.hostmanager.manage_host = true
    config.hostmanager.manage_guest = true
    
    config.vm.define VMNAME do |k8s|
        k8s.vm.provider :virtualbox do |vb|
            vb.name = VMNAME
            vb.memory = MASTER_MEM
            vb.cpus = MASTER_CPUS
        end
        k8s.vm.hostname = VMNAME+"."+DOMAIN
        k8s.vm.network :private_network, ip: MASTER_IP
        k8s.vm.synced_folder "./", "/vagrant", type: "nfs"
    end
    
    (1..WORKER_NUM).each do |i|
        
        config.vm.define VMNAME+"#{i}" do |node|
            node.vm.provider :virtualbox do |vb|
                vb.name = VMNAME+"#{i}"
                vb.memory = WORKER_MEM
                vb.cpus = WORKER_CPUS
            end
            node.vm.hostname = VMNAME+"#{i}."+DOMAIN
            node.vm.network :private_network, ip: SUBNET_PREFIX+"#{20+i}"
            node.vm.synced_folder "./", "/vagrant", type: "nfs"
        end
    end
    # config.hostsupdater.remove_on_suspend = false

    config.vm.provision "ansible" do |ansible|
        ansible.playbook = "provision/playbook.yaml"
        ansible.groups = {
            "controller" => [VMNAME],
            "controller:vars" => {
                "cluster_ip" => MASTER_IP,
                "pod_cidr" => K8S_POD_CIDR,
                
                },
            "worker" => [WORKER_GROUP],
            "worker:vars" => {
                "cluster_ip" => MASTER_IP
                }
        }
    end

end