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

λ bash

$ alias vagrant=C:/\HashiCorp/\Vagrant/\bin/\vagrant.exe $*
или
$ 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 ~/nodes

$ cd ~/nodes

$ 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

• Print message after booting vagrant machine with "vagrant up"
• Pass environment variables to vagrant shell provisioner

λ npp Vagrantfile &

...
X = "13"

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

### My config ###

  config.vm.post_up_message = "This is X: " + X

  config.vm.hostname = "node1.corp" + X + ".un"
  config.vm.network "private_network", ip: "192.168." + X + ".201"

#  config.vm.provider "virtualbox" do |vb|
#    vb.memory = "2048"
#    vb.cpus = "2"

#    file_to_disk = config.vm.hostname + '_disk2.vdi'
#    unless File.exist?(file_to_disk)
#      vb.customize ['createhd', '--filename', file_to_disk, '--size', 4 * 1024]
#    end
#    vb.customize ['storageattach', :id, '--storagectl', 'SATA', '--port', 2, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
#  end
  
### /My config ###

### My provision ###
  
  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", 
    env: {
	 "X" => X,
	},
    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 corp$X.un
nameserver 192.168.$X.10
EOF

  SHELL

### /My provision ###

...

end

λ vagrant reload --provision

• Passing variable to a shell script provisioner in vagrant

λ npp provision_once.sh &

#sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config
#echo 'root:strongpassword' | chpasswd

echo 'vagrant:strongpassword' | chpasswd

timedatectl set-timezone Europe/Moscow

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

λ npp provision_onstart.sh &

X=$1

echo $X

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; }'`

chattr -i /etc/resolv.conf
echo -e "search corp$X.un\nnameserver 192.168.$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

...
### My provision ###

  config.vm.provision "provision_once", type: "shell", run: "once", path: "provision_once.sh"
  config.vm.provision "provision_onstart", type: "shell", run: "always", 
    args: X + " 2_arg 3_arg", 
    path: "provision_onstart.sh"

### /My provision ###
...

λ vagrant provision --provision-with provision_once,provision_onstart

vagrant@node1:~$ ls /vagrant/

• 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

• Multi-Machine Vagrant with YAML
• How do I include variables in my VagrantFile?

λ mkdir ~/nodes

λ cd ~/nodes

λ npp nodes.yaml &

- name: "node1"
  ip: "201"
- name: "node2"
  ip: "202"
- name: "node3"
  ip: "203"

λ npp Vagrantfile

...
require 'yaml'
nodes = YAML.load_file("./nodes.yaml")

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

### My config ###
  nodes.each do |opts| 
    config.vm.define opts["name"] do |config|
      config.vm.network "private_network", ip: "192.168." + X + "." + opts["ip"]
      config.vm.hostname = opts["name"]
	  
      config.vm.provider :virtualbox do |vb|
        # vb.name = opts["name"]
        vb.memory = "2048"
        vb.cpus = "2"

        # 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', '--port', 2, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]

      end
    end
  end
### /My config ###
...

λ vagrant up node1

λ vagrant up

λ vagrant ssh node2

λ vagrant destroy node3

λ vagrant destroy -f

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
...

• Multi-Machine

λ npp Vagrantfile

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

### My config ###

  config.vm.define "node1" do |node1|
    node1.vm.network "private_network", ip: "192.168.X.201"
  end

  config.vm.define "node2" do |node2|
    node2.vm.network "private_network", ip: "192.168.X.202"
  end

  config.vm.define "node3" do |node3|
    node3.vm.network "private_network", ip: "192.168.X.203"
  end
  
### /My config ###
...

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

boxes = [
    {
        :name => "node1",
        :ip => "192.168.X.201",
        :vbox_config => [
            { "--cpus" => "2" },
            { "--memory" => "2048" }
        ],
    },
    {
        :name => "node2",
        :ip => "192.168.X.202",
        :vbox_config => [
            { "--cpus" => "2" },
            { "--memory" => "2048" }
        ],
    },
    {
        :name => "node3",
        :ip => "192.168.X.203",
        :vbox_config => [
            { "--cpus" => "2" },
            { "--memory" => "2048" }
        ],
    }
]

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

### My 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', 4 * 1024]
#        end
#        vb.customize ['storageattach', :id, '--storagectl', 'SATA', '--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

### /My config ###

  ...

end

• Формат JSON
• Multi-Machine Vagrant Environments with JSON

λ npp nodes.json &

[
    {
        "name": "node1",
        "ip": "192.168.X.201",
        "vbox_config": [
            { "--cpus": "2" },
            { "--memory": "2048" }
        ]
    },
    {
        "name": "node2",
        "ip": "192.168.X.202",
        "vbox_config": [
            { "--cpus": "2" },
            { "--memory": "2048" }
        ]
    },
    {
        "name": "node3",
        "ip": "192.168.X.203",
        "vbox_config": [
            { "--cpus": "2" },
            { "--memory": "2048" }
        ]
    }
]

$ cat Vagrantfile

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

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

### My 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', 4 * 1024]
#        end
#        vb.customize ['storageattach', :id, '--storagectl', 'SATA', '--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

### /My config ###

...

end