Re-factor Docker+Vagrat+YAML environment

Move host Vagrantfile into main directory, and refactor to use external YAML configuration file. Add multi-platform support.

vagrant-docker-yaml/Vagrantfile

@@ -2,8 +2,8 @@
 # vi: set ft=ruby :
 
 # Specify Vagrant version, Vagrant API version, and Vagrant clone location
-Vagrant.require_version ">= 1.6.0"
-VAGRANTFILE_API_VERSION = "2"
+Vagrant.require_version '>= 1.6.0'
+VAGRANTFILE_API_VERSION = '2'
 ENV['VAGRANT_DEFAULT_PROVIDER'] = 'docker'
 
 # Require 'yaml' module
@@ -19,30 +19,30 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   # Perform one-time configuration of Docker provider to specify
   # location of Vagrantfile for host VM; comment out this section
   # to use default boot2docker box
-  config.vm.provider "docker" do |docker|
-    docker.vagrant_vagrantfile = "host/Vagrantfile"
+  config.vm.provider 'docker' do |docker|
+    docker.vagrant_vagrantfile = 'VagrantfileHost'
   end # config.vm.provider
 
   # Iterate through the entries in the YAML file
   containers.each do |container|
-    config.vm.define container["name"] do |cntnr|
+    config.vm.define container['name'] do |cntnr|
 
       # Disable synced folders for the Docker container
       # (prevents an NFS error on "vagrant up")
-      cntnr.vm.synced_folder ".", "/vagrant", disabled: true
+      cntnr.vm.synced_folder '.', '/vagrant', disabled: true
 
       # Configure the Docker provider for Vagrant
-      cntnr.vm.provider "docker" do |docker|
+      cntnr.vm.provider 'docker' do |docker|
 
         # Specify the Docker image to use, pull value from YAML file
-        docker.image = container["image"]
+        docker.image = container['image']
 
         # Specify port mappings, pull value from YAML file
         # If omitted, no ports are mapped!
-        docker.ports = container["ports"]
+        docker.ports = container['ports']
 
         # Specify a friendly name for the Docker container, pull from YAML file
-        docker.name = container["name"]
+        docker.name = container['name']
       end # contnr.vm.provider
     end # config.vm.define
   end # containers.each

vagrant-docker-yaml/VagrantfileHost

@@ -0,0 +1,61 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# Specify minimum Vagrant version and Vagrant API version
+Vagrant.require_version '>= 1.6.0'
+VAGRANTFILE_API_VERSION = '2'
+
+# Require 'yaml' module
+require 'yaml'
+
+# Read YAML file with VM details (box, CPU, RAM, IP addresses)
+# Edit host.yml to change VM configuration details
+hostvms = YAML.load_file(File.join(File.dirname(__FILE__), 'hostvms.yml'))
+
+# Create and configure the VM(s)
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+
+  # Always use Vagrant's default insecure key
+  config.ssh.insert_key = false
+
+  # Iterate through entries in YAML file to create VMs
+  hostvms.each do |host|
+
+    # Configure the VMs per details in YAML file
+    config.vm.define host['name'] do |srv|
+
+      # Don't check for box updates
+      srv.vm.box_check_update = false
+
+      # Specify the hostname of the VM
+      srv.vm.hostname = host['name']
+
+      # Specify the Vagrant box to use (use VMware box by default)
+      srv.vm.box = host['vmw_box']
+
+      # Disable synced folders (prevents an NFS error on "vagrant up")
+      srv.vm.synced_folder '.', '/vagrant', disabled: true
+
+      # Assign additional private network
+      if host['ip_addr'] != nil
+        srv.vm.network 'private_network', ip: host['ip_addr']
+      end # if host['ip_addr']
+
+      # Configure CPU & RAM per settings in hostvms.yml (Fusion)
+      srv.vm.provider 'vmware_fusion' do |vmw|
+        vmw.vmx['memsize'] = host['ram']
+        vmw.vmx['numvcpus'] = host['vcpu']
+      end # srv.vm.provider 'vmware_fusion'
+
+      # Configure CPU & RAM per settings in hostvms.yml (VirtualBox)
+      srv.vm.provider 'virtualbox' do |vb, override|
+        vb.memory = host['ram']
+        vb.cpus = host['vcpu']
+        override.vm.box = host['vb_box']
+      end # srv.vm.provider 'virtualbox'
+
+      # Provision the VM with Docker
+      srv.vm.provision 'docker'
+    end # config.vm.define
+  end # hostvsm.each
+end # Vagrant.configure

vagrant-docker-yaml/host/Vagrantfile

@@ -1,27 +0,0 @@
-# -*- mode: ruby -*-
-# vi: set ft=ruby :
-
-# Specify Vagrant version and Vagrant API version
-Vagrant.require_version ">= 1.6.0"
-VAGRANTFILE_API_VERSION = "2"
-
-# Create and configure the VM(s)
-Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
-
-  # Assign a friendly name to this host VM
-  config.vm.hostname = "docker-host"
-
-  # Skip checking for an updated Vagrant box
-  config.vm.box_check_update = false
-
-  # Always use Vagrant's default insecure key
-  config.ssh.insert_key = false
-
-  # Spin up a "host box" for use with the Docker provider
-  # and then provision it with Docker
-  config.vm.box = "slowe/ubuntu-trusty-x64"
-  config.vm.provision "docker"
-
-  # Disable synced folders (prevents an NFS error on "vagrant up")
-  config.vm.synced_folder ".", "/vagrant", disabled: true
-end

vagrant-docker-yaml/hostvms.yml

@@ -0,0 +1,7 @@
+---
+- name: "default"
+  vmw_box: "slowe/ubuntu-trusty-x64"
+  vb_box: "ubuntu/trusty64"
+  ram: "1024"
+  vcpu: "1"
+  ip_addr: "192.168.100.101"