Upgrade Vagrant VM to CentOS 8

This commit upgrades the development Vagrant vm to use
CentOS 8.

This also increases the size of the root disk as the
CentOS 8 cloud image is only 10GB which is not
sufficient for a Kayobe deployment.

Change-Id: I614cf6e0a774229da30831e806e2ae125e5cf0fb

Vagrantfile

@@ -6,8 +6,11 @@ Vagrant.configure('2') do |config|
 
   config.vm.network 'private_network', ip: '192.168.33.3', auto_config: false
 
-  config.vm.box = 'stackhpc/centos-7'
-  config.vm.box_version = '0.2.0'
+  config.vm.box = 'centos/8'
+
+  # The default CentOS box comes with a root disk that is too small to fit a
+  # deployment on so we need to make it bigger.
+  config.disksize.size = '20GB'
 
   config.vm.provider 'virtualbox' do |vb|
     vb.memory = '4096'
@@ -21,6 +24,18 @@ Vagrant.configure('2') do |config|
   end
 
   config.vm.provision 'shell', inline: <<-SHELL
+
+    # Extend the root disk
+    sudo parted "/dev/sda" ---pretend-input-tty <<EOF
+resizepart
+1
+100%
+Yes
+-0
+quit
+EOF
+    sudo xfs_growfs -d /
+
     echo "cat > /etc/selinux/config << EOF
 SELINUX=disabled
 SELINUXTYPE=targeted
@@ -40,7 +55,6 @@ BOOTPROTO=none
 IPADDR=192.168.33.3
 NETMASK=255.255.255.0
 ONBOOT=yes
-NM_CONTROLLED=no
 EOF
     sudo ifup eth1
 

doc/source/development/vagrant.rst

@@ -5,23 +5,23 @@ Vagrant
 =======
 
 Kayobe provides a Vagrantfile that can be used to bring up a virtual machine
-for use as a development environment. The VM is based on the `stackhpc/centos-7
-<https://app.vagrantup.com/stackhpc/boxes/centos-7>`_ CentOS 7 image, and
+for use as a development environment. The VM is based on the `centos/8
+<https://app.vagrantup.com/centos/boxes/8>`_ CentOS 8 image, and
 supports the following providers:
 
 * VirtualBox
 * VMWare Fusion
 
-The VM is configured with 4GB RAM. It has a single private network in addition
+The VM is configured with 4GB RAM and a 20GB HDD. It has a single private network in addition
 to the standard Vagrant NAT network.
 
 Preparation
 ===========
 
 First, ensure that Vagrant is installed and correctly configured to use
-the required provider. Also install the following vagrant plugin::
+the required provider. Also install the following vagrant plugins::
 
-    vagrant plugin install vagrant-reload
+    vagrant plugin install vagrant-reload vagrant-disksize
 
 If using the VirtualBox provider, install the following vagrant plugin::