• Vagrant - Development Environments Made Easy
• Quick Start
• Discover Vagrant Boxes

• Create a Vagrant Base Box (VirtualBox)

• Stop DHCP From Changing resolv.conf

• https://val.bmstu.ru/unix/HashiCorp/vagrant_2.2.10_x86_64.msi

C:\Users\Administrator> C:\HashiCorp\Vagrant\bin\vagrant.exe

• Cmder

λ bash

$ alias vagrant=C:\HashiCorp\Vagrant\bin\vagrant.exe $*

mobaxterm> alias vagrant=/drives/c/HashiCorp/Vagrant/bin/vagrant.exe $*

• Create a Vagrant Base Box (VirtualBox) + [SOLVED] Latest sshd not accepting key algorithms
• https://vagrantcloud.com/debian/bullseye64

$ vagrant box list

$ vagrant box add debian/bullseye64

$ vagrant box list

$ vagrant package --base ubuntu_20.04_03 --output /c/distrs/ubuntu_20.04.box

$ vagrant box add /c/distrs/ubuntu_20.04.box --name specialist/ubuntu20

$ vagrant box list

$ mkdir node1

$ cd node1

... ~/node1

$ vagrant init specialist/ubuntu20

$ less Vagrantfile
...
    config.vm.box = "specialist/ubuntu20"
...

$ vagrant up

$ vagrant ssh

$ vagrant global-status

$ vagrant halt

$ vagrant destroy

• Provisioners in Vagrant
• Basic Usage of Provisioners
• Vagrant public networks

Демонстрирует преподаватель

λ npp Vagrantfile &

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

  config.vm.network "private_network", ip: "192.168.X.210", virtualbox__intnet: false
  config.vm.hostname = "node1.corpX.un"
  
  config.vm.provision "provision_once", type: "shell", inline: <<-SHELL

    apt-get update     
    timedatectl set-timezone Europe/Moscow

  SHELL

  config.vm.provision "provision_onstart", run: "always", type: "shell", inline: <<-SHELL

    eval `route -n | awk '{ if ($8 ==\"eth0\" && $2 != \"0.0.0.0\") print \"route del default gw \" $2; }'`
    route add default gw 192.168.X.1

    cat <<EOF >/etc/resolv.conf
search corpX.un
nameserver 192.168.X.10
EOF

  SHELL

end

λ vagrant reload --provision

λ npp provision_once.sh &

#sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config  
timedatectl set-timezone Europe/Moscow
apt-get update

λ npp provision_onstart.sh &

route add default gw 192.168.X.1

eval `route -n | awk '{ if ($8 =="eth0" && $2 != "0.0.0.0") print "route del default gw " $2; }'`

echo -e 'search corpX.un\nnameserver 192.168.X.10' > /etc/resolv.conf
chattr +i /etc/resolv.conf

echo "net.ipv4.ip_forward=1" > /etc/sysctl.d/20-my-forward.conf && sysctl -p --system

λ npp Vagrantfile

...
  config.vm.provision "provision_once", type: "shell", run: "once", path: "provision_once.sh"
  config.vm.provision "provision_onstart", type: "shell", run: "always", path: "provision_onstart.sh"
...

λ vagrant provision --provision-with provision_once,provision_onstart

• Сервис Ansible Использование playbook

λ cat Vagrantfile
...
  config.vm.provision "provision_docker", type: "ansible_local", run: "always" do |ansible|
    ansible.playbook = "provision_docker.yml"
  end

$ vagrant provision --provision-with provision_docker

$ mkdir ~/nodes

$ cd ~/nodes

$ vagrant init specialist/ubuntu20

• Multi-Machine

λ npp Vagrantfile

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

  config.vm.define "node3" do |node1|
    node1.vm.network "private_network", ip: "192.168.X.210"
  end

  config.vm.define "node4" do |node2|
    node2.vm.network "private_network", ip: "192.168.X.220"
  end

  config.vm.define "node5" do |node3|
    node3.vm.network "private_network", ip: "192.168.X.230"
  end
...

• Vagrant is assigning the same MAC to two different VMs?

boxes = [
    {
        :name => "node1",
        :ip => "192.168.X.210",
        :vbox_config => [
            { "--cpus" => "2" },
            { "--memory" => "2048" }
        ],
    },
    {
        :name => "node2",
        :ip => "192.168.X.220",
        :vbox_config => [
            { "--cpus" => "2" },
            { "--memory" => "2048" }
        ],
    },
    {
        :name => "node3",
        :ip => "192.168.X.230",
        :vbox_config => [
            { "--cpus" => "2" },
            { "--memory" => "2048" }
        ],
    }
]

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

  boxes.each do |opts|
    config.vm.define opts[:name] do |config|
      config.vm.network "private_network", ip: opts[:ip]
      config.vm.hostname = opts[:name]

      config.vm.provider "virtualbox" do | vb |
        file_to_disk = opts[:name] + '_2.vdi'
        unless File.exist?(file_to_disk)
          vb.customize ['createhd', '--filename', file_to_disk, '--size', 5 * 1024]
        end
        vb.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 2, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
      end

      opts[:vbox_config].each do |hash|
        hash.each do |key, value|
          config.vm.provider :virtualbox do |vb|
            vb.customize ["modifyvm", :id, key, value]
          end
        end
      end
    end
  end
  ...
end

λ vagrant up

λ vagrant ssh node2

λ vagrant destroy node3

λ vagrant destroy -f

• Формат JSON
• Multi-Machine Vagrant Environments with JSON

addnodes -> nodes ??
node1 .. 3 ??

$ cat addnodes.json

[
    {
        "name": "node3",
        "ip": "192.168.X.3",
        "vbox_config": [
            { "--cpus": "1" },
            { "--memory": "1024" }
        ]
    },
    {
        "name": "node4",
        "ip": "192.168.X.4",
        "vbox_config": [
            { "--cpus": "1" },
            { "--memory": "1024" }
        ]
    },
    {
        "name": "node5",
        "ip": "192.168.X.5",
        "vbox_config": [
            { "--cpus": "1" },
            { "--memory": "1024" }
        ]
    }
]

$ cat Vagrantfile

require 'json'
boxes = JSON.parse(File.read('./addnodes.json'))

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

  boxes.each do |opts|
    config.vm.define opts["name"] do |config|

      config.vm.network "private_network", ip: opts["ip"],
	    virtualbox__intnet: true
      config.vm.hostname = opts["name"]

#      config.vm.provider "virtualbox" do | vb |
#        file_to_disk = opts["name"] + '_2.vdi'
#        unless File.exist?(file_to_disk)
#          vb.customize ['createhd', '--filename', file_to_disk, '--size', 4 * 1024]
#        end
#        vb.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 2, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
#      end

      opts["vbox_config"].each do |hash|
        hash.each do |key, value|
          config.vm.provider :virtualbox do |vb|
            vb.customize ["modifyvm", :id, key, value]
          end
        end
      end

    end
  end
#  config.vm.box = "debian/buster64"
  config.vm.box = "debian/bullseye64"

  config.vm.provision "shell", inline: <<-SHELL

    sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config
#    sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/g' /etc/ssh/sshd_config
    systemctl restart sshd.service
    echo 'vagrant:123' | chpasswd

    apt-get update     
    apt-get install -y net-tools

    cat <<EOF >/etc/resolv.conf
search corpX.un
nameserver 192.168.X.254
EOF

  SHELL

  config.vm.provision "shell", run: "always",
    inline: "route add default gw 192.168.X.254"

  config.vm.provision "shell", run: "always",
    inline: "eval `route -n | awk '{ if ($8 ==\"eth0\" && $2 != \"0.0.0.0\") print \"route del default gw \" $2; }'`"

end

λ cat Vagrantfile

...
#  config.vm.synced_folder ".", "/vagrant", type: "rsync", rsync__exclude: ".git/"
...

λ npp SomeFile
...

λ vagrant rsync

λ vagrant ssh

vagrant@node3:~$ ls /vagrant/

...
Vagrantfile
...
SomeFile
...