DevOps-Bash-tools/vagrant/kubernetes/Vagrantfile

#
#  Author: Hari Sekhon
#  Date: 2020-08-14 13:16:04 +0100 (Fri, 14 Aug 2020)
#  (forked from private repo from 2013)
#  Original Date: 2013-03-18 16:38:04 +0000 (Mon, 18 Mar 2013)
#
#  vim:ts=4:sts=4:sw=4:et:filetype=ruby
#
#  https://github.com/HariSekhon/DevOps-Bash-tools
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you"re using my code you"re welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/HariSekhon
#

# https://www.vagrantup.com/docs/vagrantfile

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

    # https://www.vagrantup.com/docs/boxes
    #
    # to get Hashicorp"s Ubuntu 18.04 base box:
    #
    # vagrant init hashicorp/bionic64
    #
    # or try one of the Bento boxes:
    #
    # https://app.vagrantup.com/bento
    #
    #config.vm.box = "hashicorp/bionic64"
    config.vm.box = "bento/ubuntu-18.04"

    # root login doesn't work on hashicorp/bionic64 or bento/ubuntu-18.04 box with pw 'vagrant'
    #config.ssh.username     = "root"
    #config.ssh.password     = "vagrant"
    config.ssh.insert_key = true
    #config.ssh.private_key_path = "~/.ssh/id_rsa"
                               # host_path         guest_path
    config.vm.synced_folder    "~/github",         "/github"
    config.vm.synced_folder    "../../",           "/bash"
    config.ssh.forward_agent = false
    config.ssh.forward_x11   = false

    config.vm.usable_port_range = 2250..2299
    #config.vm.boot_mode = "gui"

    config.vm.provider "virtualbox" do |vb|
        vb.gui = false
        #vb.name = "default-vagrant-hostname"    # overridden per VM
        vb.customize [
            "modifyvm", :id,
            "--name", "#{vb.name}",
            "--natdnsproxy1", "on",
            "--usb", "off",
            "--audio", "none"
        ]
            # using the host's DNS is simple but less portable as it requires an extra step of adding the nodes to the host's /etc/hosts file, which is an easy step to miss, so just inject the hosts files in each VM instead
            #"--natdnshostresolver1", "on",

        # evaluates too early and gets 'default-vagrant-hostname'
        #config.vm.hostname = "#{vb.name}"
    end

    # generic provision for each VM
    config.vm.provision :shell, :path => "../provision.sh"

    # Colocating Etcd cluster on masters to save RAM - uncomment these if you have RAM to burn and want them on separate hosts
    # ==================================
#    config.vm.define "etcd1" do |config|
#        config.vm.network "private_network", ip: "172.16.0.21"
#        config.vm.provider "virtualbox" do |vb|
#            # can't set vb.name at shared level, as it evaluates too early and gets 'default-vagrant-hostname'
#            vb.name = "etcd1"
#            vb.cpus = 1
#            vb.memory = 1024
#            vb.customize [
#                "modifyvm", :id, "--name", "#{vb.name}"
#            ]
#            # sets the guest OS hostname and /etc/hosts (edited by provision.sh as we want external IP and not 127.0.1.1)
#            config.vm.hostname = "#{vb.name}"
#        end
#    end
#
#    config.vm.define "etcd2" do |config|
#        config.vm.network "private_network", ip: "172.16.0.22"
#        config.vm.provider "virtualbox" do |vb|
#            # can't set vb.name at shared level, as it evaluates too early and gets 'default-vagrant-hostname'
#            vb.name = "etcd2"
#            vb.cpus = 1
#            vb.memory = 1024
#            vb.customize [
#                "modifyvm", :id, "--name", "#{vb.name}"
#            ]
#            # sets the guest OS hostname and /etc/hosts (edited by provision.sh as we want external IP and not 127.0.1.1)
#            config.vm.hostname = "#{vb.name}"
#        end
#    end
#
#    config.vm.define "etcd3" do |config|
#        config.vm.network "private_network", ip: "172.16.0.23"
#        config.vm.provider "virtualbox" do |vb|
#            # can't set vb.name at shared level, as it evaluates too early and gets 'default-vagrant-hostname'
#            vb.name = "etcd3"
#            vb.cpus = 1
#            vb.memory = 1024
#            vb.customize [
#                "modifyvm", :id, "--name", "#{vb.name}"
#            ]
#            # sets the guest OS hostname and /etc/hosts (edited by provision.sh as we want external IP and not 127.0.1.1)
#            config.vm.hostname = "#{vb.name}"
#        end
#    end

    # ==================================
    config.vm.define "master1" do |config|
        config.vm.network "private_network", ip: "172.16.0.11"
        config.vm.provider "virtualbox" do |vb|
            # can't set vb.name at shared level, as it evaluates too early and gets 'default-vagrant-hostname'
            vb.name = "master1"
            vb.cpus = 2
            vb.memory = 4096
            vb.customize [
                "modifyvm", :id, "--name", "#{vb.name}"
                #"--cpus",     3,
                #"--memory", 7168
            ]
            # sets the guest OS hostname and /etc/hosts (edited by provision.sh as we want external IP and not 127.0.1.1)
            config.vm.hostname = "#{vb.name}"
        end
        config.vm.provision :shell, :path => "provision-kube-master.sh"
    end

    config.vm.define "master2" do |config|
        config.vm.network "private_network", ip: "172.16.0.12"
        config.vm.provider "virtualbox" do |vb|
            # can't set vb.name at shared level, as it evaluates too early and gets 'default-vagrant-hostname'
            vb.name = "master2"
            vb.cpus = 2
            vb.memory = 4096
            vb.customize [
                "modifyvm", :id, "--name", "#{vb.name}"
            ]
            # sets the guest OS hostname and /etc/hosts (edited by provision.sh as we want external IP and not 127.0.1.1)
            config.vm.hostname = "#{vb.name}"
        end
        #config.vm.provision :shell, :path => "provision-kube-master.sh"
    end

    config.vm.define "master3" do |config|
        config.vm.network "private_network", ip: "172.16.0.13"
        config.vm.provider "virtualbox" do |vb|
            # can't set vb.name at shared level, as it evaluates too early and gets 'default-vagrant-hostname'
            vb.name = "master3"
            vb.cpus = 1
            # Only Etcd on this one so less RAM needed
            vb.memory = 1024
            vb.customize [
                "modifyvm", :id, "--name", "#{vb.name}"
            ]
            # sets the guest OS hostname and /etc/hosts (edited by provision.sh as we want external IP and not 127.0.1.1)
            config.vm.hostname = "#{vb.name}"
        end
    end

    # ==================================
    config.vm.define "worker1" do |config|
        config.vm.network "private_network", ip: "172.16.0.14"
        config.vm.provider "virtualbox" do |vb|
            vb.name = "worker1"
            vb.memory = 2048
            vb.cpus = 1
            vb.customize [
                "modifyvm", :id, "--name", "#{vb.name}"
            ]
            config.vm.hostname = "#{vb.name}"
        end
        config.vm.provision :shell, :path => "provision-kube-worker.sh"
    end
    # Enable if you have lots of ram and want more workers
    config.vm.define "worker2" do |config|
        config.vm.network "private_network", ip: "172.16.0.15"
        config.vm.provider "virtualbox" do |vb|
            vb.name = "worker2"
            vb.memory = 2048
            vb.cpus = 1
            vb.customize [
                "modifyvm", :id, "--name", "#{vb.name}"
            ]
            config.vm.hostname = "#{vb.name}"
        end
        config.vm.provision :shell, :path => "provision-kube-worker.sh"
    end
#    config.vm.define "worker3" do |config|
#        config.vm.network "private_network", ip: "172.16.0.16"
#        config.vm.provider "virtualbox" do |vb|
#            vb.name = "worker3"
#            vb.memory = 2048
#            vb.cpus = 1
#            vb.customize [
#                "modifyvm", :id, "--name", "#{vb.name}"
#            ]
#            config.vm.hostname = "#{vb.name}"
#        end
#        config.vm.provision :shell, :path => "provision-kube-worker.sh"
#    end
end