Vagrantfile

Vagrant.configure("2") do |config|
    config.vm.box = "hashicorp/bionic64"
    config.vm.hostname = "vagrant-k8s-bootstrap"
    
    # Install docker
    config.vm.provision "docker"

    # Extract k8s binaries
    config.vm.provision "file", source: "../kubernetes-server-linux-amd64.tar.gz", destination: "kubernetes.tar.gz"
    config.vm.provision "shell", inline: "tar xvzf kubernetes.tar.gz", name: "extract k8s binaries"

    # Common configuration
    config.vm.provision "file", source: "../common/kubeconfig", destination: "kubeconfig"
    config.vm.provision "shell", inline: "sudo mkdir /etc/kubernetes && sudo mv kubeconfig /etc/kubernetes/kubeconfig"

    # Run etcd
    $etcd = <<-SCRIPT
    sudo mkdir /var/lib/etcd
    docker run \
        -d \
        --name etcd-server \
        --volume=/var/lib/etcd:/etcd-data \
        --net=host \
        --restart unless-stopped \
        quay.io/coreos/etcd \
        /usr/local/bin/etcd \
        --data-dir=/etcd-data \
        --name etcd-server
    SCRIPT
    config.vm.provision "shell", inline: $etcd, name: "etcd"

    # Run kube-apiserver
    $api_server = <<-SCRIPT
    sudo docker load -i kubernetes/server/bin/kube-apiserver.tar
    docker run \
        -d \
        --name=kube-apiserver \
        --volume=/var/run/kubernetes:/var/run/kubernetes \
        --volume=/etc/kubernetes:/etc/kubernetes:ro \
        --net=host \
        --restart unless-stopped \
        k8s.gcr.io/kube-apiserver-amd64:`cat kubernetes/server/bin/kube-apiserver.docker_tag` \
        kube-apiserver \
        --service-cluster-ip-range=10.0.0.0/16 \
        --etcd-servers=http://127.0.0.1:2379 \
        --disable-admission-plugins=ServiceAccount
    while [[ "$(curl -s -o /dev/null -w ''%{http_code}'' http://localhost:8080/healthz)" != "200" ]]; do echo 'Waiting for api-server...' && sleep 2; done
    SCRIPT
    config.vm.provision "shell", inline: $api_server, name: "api-server"

    # Run kube-scheduler
    $scheduler = <<-SCRIPT
    sudo docker load -i kubernetes/server/bin/kube-scheduler.tar
    docker run \
        -d \
        --name=kube-scheduler \
        --volume=/etc/kubernetes:/etc/kubernetes:ro \
        --net=host \
        --restart unless-stopped \
        k8s.gcr.io/kube-scheduler-amd64:`cat kubernetes/server/bin/kube-scheduler.docker_tag` \
        kube-scheduler \
        --kubeconfig=/etc/kubernetes/kubeconfig
    SCRIPT
    config.vm.provision "shell", inline: $scheduler, name: "scheduler"

    # Run kubelet
    config.vm.provision "file", source: "../common/kubelet-config.yaml", destination: "kubelet-config.yaml"
    config.vm.provision "file", source: "../common/kubelet.service", destination: "kubelet.service"

    $kubelet = <<-SCRIPT
    chmod +x kubernetes/server/bin/kubelet
    mv kubernetes/server/bin/kubelet /usr/bin
    sudo mv kubelet-config.yaml /etc/kubernetes/kubelet-config.yaml
    sudo mv kubelet.service /etc/systemd/system/kubelet.service
    sudo systemctl daemon-reload
    sudo systemctl enable kubelet
    sudo systemctl start kubelet
    SCRIPT
    config.vm.provision "shell", inline: $kubelet, name: "kubelet"

    # Install kubectl
    $kubectl = <<-SCRIPT
    chmod +x kubernetes/server/bin/kubectl
    mv kubernetes/server/bin/kubectl /usr/bin
    SCRIPT
    config.vm.provision "shell", inline: $kubectl, name: "kubectl"
    config.vm.provision "file", source: "../common/kubeconfig", destination: ".kube/config"

    # Test pod
    config.vm.provision "file", source: "pod.yaml", destination: "pod.yaml"

    # Cleanup
    config.vm.provision "shell", inline: "rm kubernetes.tar.gz && rm -rf kubernetes", name: "cleanup"
end