第60回： SerfとConsulでシステム運用を楽しくしよう！http://connpass.com/event/7322/ : 今回の実験使用したVagrantfileの一覧

Vagrantfile-2nodes-provisioned.rb

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

  # Every Vagrant virtual environment requires a box to build off of.
  config.vm.box = "chef/centos-6.5"

  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--memory", "512"]
  end

  config.vm.define "web_1" do |instance|
    instance.vm.network :private_network, ip: "192.168.33.10"

    instance.vm.provision :shell do |shell|
      shell.inline = <<-EOS
        if [ ! `which unzip` ]; then sudo yum -y install unzip ;fi
        if [ ! `which serf` ]; then
          cd /tmp/
          wget -O 0.6.3_linux_amd64.zip https://dl.bintray.com/mitchellh/serf/0.6.3_linux_amd64.zip
          unzip 0.6.3_linux_amd64.zip
          sudo mv serf /usr/local/bin/
          nohup /usr/local/bin/serf agent -iface=eth1 -node=host1 -discover=webapp 0<&- &>/dev/null&
          cat <<EOF >>/etc/rc.d/rc.local
          /usr/local/bin/serf agent -iface=eth1 -node=host1 -discover=webapp &
EOF
        fi
      EOS
    end
    
  end

  config.vm.define "web_2" do |instance|
    instance.vm.network :private_network, ip: "192.168.33.11"

    instance.vm.provision :shell do |shell|
      shell.inline = <<-EOS
        if [ ! `which unzip` ]; then sudo yum -y install unzip ;fi
        if [ ! `which serf` ]; then
          cd /tmp/
          wget -O 0.6.3_linux_amd64.zip https://dl.bintray.com/mitchellh/serf/0.6.3_linux_amd64.zip
          unzip 0.6.3_linux_amd64.zip
          sudo mv serf /usr/local/bin/
          nohup /usr/local/bin/serf agent -iface=eth1 -node=host2 -discover=webapp 0<&- &>/dev/null&
          cat <<EOF >>/etc/rc.d/rc.local
          /usr/local/bin/serf agent -iface=eth1 -node=host2 -discover=webapp &
EOF
        fi
      EOS
    end
    
  end

end

Vagrantfile-2nodes.rb

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

  # Every Vagrant virtual environment requires a box to build off of.
  config.vm.box = "chef/centos-6.5"

  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--memory", "512"]
  end

  config.vm.define "web_1" do |instance|
    instance.vm.network :private_network, ip: "192.168.33.10"
  end

  config.vm.define "web_2" do |instance|
    instance.vm.network :private_network, ip: "192.168.33.11"
  end

end

Vagrantfile-multinodes-provisioned.rb

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

  # Every Vagrant virtual environment requires a box to build off of.
  config.vm.box = "chef/centos-6.5"

  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--memory", "512"]
  end

  # Number of Virtual Machines
  NUMBER_OF_VMS = 10
  ip_addr_base = 10

  (1..NUMBER_OF_VMS).each do |host_index|

    define_name = "web_#{host_index}"
    hostname = "host#{host_index}"
    octet4 = ip_addr_base + host_index - 1

    config.vm.define define_name do |instance|
      instance.vm.network :private_network, ip: "192.168.33.#{octet4}"

      instance.vm.provision :shell do |shell|
        shell.inline = <<-EOS
          if [ ! `which unzip` ]; then sudo yum -y install unzip ;fi
          if [ ! `which serf` ]; then
            cd /tmp/
            wget -O 0.6.3_linux_amd64.zip https://dl.bintray.com/mitchellh/serf/0.6.3_linux_amd64.zip
            unzip 0.6.3_linux_amd64.zip
            sudo mv serf /usr/local/bin/
            nohup /usr/local/bin/serf agent -iface=eth1 -node=#{hostname} -discover=webapp 0<&- &>/dev/null&
            cat <<EOF >>/etc/rc.d/rc.local
            /usr/local/bin/serf agent -iface=eth1 -node=#{hostname} -discover=webapp &
EOF
          fi
        EOS
      end
      
    end
  end

end