Vagrant environment with shell provisioning

Scaffolding code for a multi-VM Vagrant environment with shell provisioning. It is based on my reusable "One Vagrantfile to rule them all" (I gave a lightning talk about this at Config Management Camp 2016 Ghent - slides here). Hosts are defined in a simple Yaml format (see below), so setting up a multi-VM environment becomes almost trivial.

For a more advanced Vagrant setup with Ansible provisioning, see this project's big brother, ansible-skeleton.

If you like/use this project, please consider giving it a star. Thanks!

Getting started

TL;DR

The short version... After forking and cloning, add VMs in vagrant-hosts.yml, e.g.:

# vagrant-hosts.yml
---
- name: srv001
  ip: 192.168.56.31

and write a provisioning script with the same name as the VM in the provisioning/ folder (e.g. provisioning/srv001.sh).

Fork & clone

First of all, fork this project and give it a suitable name. Then, clone it locally.

Choose default base box

Modify the Vagrantfile to select your favourite base box. I use a CentOS base box from the Bento project at Chef, e.g. bento/centos-8. This is probably the only time you need to edit the Vagrantfile.

# Set your default base box here
DEFAULT_BASE_BOX = 'bento/centos-8'

Specify VMs

Next, edit vagrant-hosts.yml to specify the VMs in your Vagrant environment. Currently, it contains:

- name: srv001
  ip: 192.168.56.31

The vagrant-hosts.yml file specifies the nodes that are controlled by Vagrant. You should at least specify a name:, other settings (see below) are optional. A host-only adapter is created and the given IP assigned to that interface. Other optional settings that can be specified:

• ip: The IP address for the VM.
• netmask: By default, the network mask is 255.255.255.0. If you want another one, it should be specified.
• mac: The MAC address to be assigned to the NIC. Several notations are accepted, including "Linux-style" (00:11:22:33:44:55) and "Windows-style" (00-11-22-33-44-55). The separator characters can be omitted altogether (001122334455).
• intnet: If set to true, the network interface will be attached to an internal network rather than a host-only adapter.
• auto_config: If set to false, Vagrant will not attempt to configure the network interface.
• synced_folders: A list of dicts that specify synced folders. Two keys, src (the directory on the host system) and dest (the mount point in the guest) are mandatory, another one, options is, well, optional. The possible options are the same ones as specified in the Vagrant documentation on synced folders. One caveat is that the option names should be prefixed with a colon, e.g. owner: becomes :owner:.
• box: Choose another base box instead of the default one specified in Vagrantfile. A box name in the form USER/BOX (e.g. bertvv/centos72) is fetched from Atlas.
• box_url: Download the box from the specified URL instead of from Atlas.

You can add hosts to the environment by adding entries to the vagrant-hosts.yml file. An example:

- name: srv001
  ip: 192.168.56.31
- name: srv002
  ip: 192.168.56.32
  box: bertvv/fedora25
- name: srv003
  ip: 192.168.56.33
  synced_folders:
    - src: test
      dest: /tmp/test
    - src: www
      dest: /var/www/html
      options:
        :create: true
        :owner: root
        :group: root
        :mount_options: ['dmode=0755', 'fmode=0644']

Provisioning

For each host you defined, you should add a shell script to the provisioning/ directory with the same name as the VM, e.g. srv001.sh. The directory now also contains two other scripts:

• util.sh, which contains Bash functions that you can use in your provisioning scripts
• common.sh, which contains provisioning tasks that are common to all VMs in your Vagrant environment.

Host-specific provisioning scripts should source both files.

Contributors

• Bert Van Vreckem (maintainer)

License

Licensed under the 2-clause "Simplified BSD License". See LICENSE.md for details.