Printing final message at end of Vagrantfile that creates multiple VMs

[Juan Jiménez]

I want to puts a message at the very end of all processing of my Vagrantfile, but I can't use the config.vm.post_up_message because I am creating three vm's in a dev cluster and I don't want the message shown three times. Any ideas?

[Alvaro Miranda Aguilera]

on the last VM block, say its "web01" you can put

web01.vm.post_up_message

On Sun, Oct 1, 2017 at 8:05 PM, Juan Jiménez <fly...@gmail.com> wrote:

I want to puts a message at the very end of all processing of my Vagrantfile, but I can't use the config.vm.post_up_message because I am creating three vm's in a dev cluster and I don't want the message shown three times. Any ideas?

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Alvaro

[Juan Jiménez]

There is only one VM block and a loop to create the three VM's. They are essentially identical, with small differences, so no point in copying everything three times. That is why this solution does not work.

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[Alvaro Miranda Aguilera]

you can *if* on the loop

say you loop 0 to 2 on a var i

web01.vm.post_up_message = "hello" if i==2

please share the vagrantfile so I can test and share a working example

Alvaro

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Alvaro

[Juan Jiménez]

The if *after* the post_up_message??

# -*- mode: ruby -*-

# vi: set ft=ruby :

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

#------

# Spin up three VM's, set hostnames and assign IP's.

#------

(1..3).each do |i|

  config.vm.define "node#{i}" do |node|

    node.vm.box = "ubuntu/xenial64"

    node.vm.hostname = "node#{i}"

    node.vm.network "private_network", ip: "192.168.50.1#{i}"

#-----

# Each VM needs to have two block devices. 1GB local storage each

# for the purpose of this exercise, and attached to the VM's.

#-----

    node.vm.provider "virtualbox" do |vb|

#-----

# If disks don't already exist, create them.

#-----

      unless FileTest.exist?("node#{i}_disk1.vdi")

       vb.customize ['createhd', '--filename', "node#{i}_disk1.vdi", '--variant', 'Fixed', '--size', 1 * 1024]

      end

      unless FileTest.exist?("node#{i}_disk2.vdi")

       vb.customize ['createhd', '--filename', "node#{i}_disk2.vdi", '--variant', 'Fixed', '--size', 1 * 1024]

      end

#-----

# Attach the drives to the SCSI controller.

#-----

# !! NOTE: This step is specific to the ubuntu/xenial64 box.

# !!       If you change the box, these next two commands will likely fail!

# !!       (Extra credit if you can figure out *why* they will likely fail.)

#-----

      vb.customize ['storageattach', :id,  '--storagectl', 'SCSI', '--port', 2, '--device', 0, '--type', 'hdd', '--medium', "node#{i}_disk1.vdi"]

      vb.customize ['storageattach', :id,  '--storagectl', 'SCSI', '--port', 3, '--device', 0, '--type', 'hdd', '--medium', "node#{i}_disk2.vdi"]

    end

#-----

# Do all the common configuration work

#-----

    node.vm.provision "shell", path: "./provision/common.sh"

#-----

# Configure and setup the Consul and Nomad clusters

#-----

    case i

      when 1

        node.vm.provision "shell", path: "./provision/consulserver.sh"

        node.vm.provision "shell", path: "./provision/nomadserver.sh"

      when 2

        node.vm.provision "shell", path: "./provision/consulagent1.sh" 

        node.vm.provision "shell", path: "./provision/nomadclient1.sh"

      when 3

        node.vm.provision "shell", path: "./provision/consulagent2.sh"

        node.vm.provision "shell", path: "./provision/nomadclient2.sh"

    end

#----

# Configure and run cadvisor with Nomad

#----

    node.vm.provision "shell", path: "./provision/cadvisor.sh"

  end

end

end

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[Alvaro Miranda Aguilera]

yes its a ruby format

but you can add the message you want to this block:

      when 3

        node.vm.provision "shell", path: "./provision/consulagent2.sh"

        node.vm.provision "shell", path: "./provision/nomadclient2.sh"

        # <here the message you want>

    end

[Juan Jiménez]

Thanks!

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