generate inventory groups programaticaly from vagrant file

[Félix Archambault]

Hello,

Surely this is not new but i am trying to generate inventory goups using
vagrant 'ansible.groups'. I want to make the vagrantfile reusable just by
editing the hash list at the top.

For some reason groups in inventory file remain empty. I am no ruby ninja, am i doing something wrong? If not i will report a bug...

# Generated by Vagrant

users-m2 ansible_ssh_host=127.0.0.1 ansible_ssh_port=2200 ansible_ssh_user='vagrant' ansible_ssh_private_key_file='/home/archf/repos/am/roles/accounts/tests/.vagrant/machines/users-m2/virtualbox/private_key'
users-m1 ansible_ssh_host=127.0.0.1 ansible_ssh_port=2222 ansible_ssh_user='vagrant' ansible_ssh_private_key_file='/home/archf/repos/am/roles/accounts/tests/.vagrant/machines/users-m1/virtualbox/private_key'

[grp1]

[grp2]

When i invoke vagrant

[...snip...]
ansible.groups is:
{"grp1"=>["m1"], "grp2"=>["m2"]}
[...snip...]

vagrant version = 1.8.5

### Vagrant version
Vagrant 1.8.5

### Host operating system
ubuntu 16.04 xenial

### Guest operating system
ubuntu 16.04 xenial (ubuntu 16.04 xenial)

### Vagrantfile

ROLE_NAME = 'users'

hosts = [
  {name: 'm1', ip: '192.168.56.71',
   net: 'private_network', box: 'boxcutter/ubuntu1604', group: 'grp1'},
  {name: 'm2', ip: '192.168.56.72',
   net: 'private_network', box: 'boxcutter/ubuntu1604', group: 'grp2'}
]

# create ansible inventory groups to apply group_vars
# we use the box name
groups = {}

# sort machine by groups
for m in hosts do
  if groups.has_key?(m[:group])
    # append to list
    groups[m[:group]].push(m[:name])
  else
    groups[m[:group]] = [m[:name]]
  end
end

Vagrant.configure(2) do |config|

 N=hosts.length

  (1..N).each do |machine_id|

    config.vm.define ROLE_NAME + "-m#{machine_id}" do |node|

      # box name
      node.vm.box = hosts[machine_id - 1][:box]
      # box hostname
      node.vm.hostname = ROLE_NAME + '-' + hosts[machine_id - 1][:name]
      # box extra interface
      node.vm.network hosts[machine_id - 1][:net], ip: hosts[machine_id - 1][:ip]

      # Only execute once the Ansible provisioner,
      # when all the machines are up and ready.
      if machine_id == N

        node.vm.provision 'ansible' do |ansible|

          # puts groups
          ansible.groups = groups
          puts 'ansible.groups is:'
          puts ansible.groups

          # run the provisionner
          ansible.verbose = 'v'
          ansible.limit = 'all'
          ansible.playbook = 'test.yml'
        end #ansible vm.provision

      end # machine_id if node.vm

    end
  end # each loop
end #vagrant.configure

[Alvaro Miranda Aguilera]

could be the boxes are called user-m1 and user-m2 ?

the group is having m1 and m2

not an ansible person

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Alvaro

[Félix Archambault]

Thanks Alvaro, that was it. Vagrant won't let you populate groups with invalid box names.

A word of warning would have been nice....

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Alvaro

[Joaquin Menchaca]

I don't use the vagrant provisioner for Ansible, but rather just generate my own inventory and dynamically generate my vagrant boxes from the same sources.

I experimented, created python inventory scripts and ruby hash generator for INI, CSV, SQLite, JSON, XML, YAML, hosts file, etc.  

I have demo code snippet at: https://bitbucket.org/jmenchaca/vagrant-simple

[Félix Archambault]

That looks real nice, you've put a lot of efforts! I would have done vagrant much more this way as i don't really want to know about ruby....