Increase size of operator to allow building images

This is only implemented for libvirt provider at the moment.

Partially-Implements: blueprint vagrant-improvements
Change-Id: I72a2c32d7b5966a255eefcf687533023e84280da

vagrant/Vagrantfile

@@ -82,6 +82,12 @@ Vagrant.configure(2) do |config|
     admin.vm.synced_folder ".", "/home/vagrant/sync", disabled: true
     admin.vm.provider PROVIDER do |vm|
       vm.memory = MULTINODE ? 1024 : 4096
+      if PROVIDER == 'libvirt'
+        # This only works with libvirt provider.
+        # We should be able to do something similar for virtualbox
+        # http://askubuntu.com/questions/317338/how-can-i-increase-disk-size-on-a-vagrant-vm
+        vm.machine_virtual_size = 40
+      end
     end
     admin.hostmanager.aliases = "operator"
   end

vagrant/bootstrap.sh

@@ -61,6 +61,24 @@ EOF
     usermod -aG docker vagrant
 }
 
+function resize_partition {
+    fdisk /dev/vda <<EOF
+n
+p
+
+
+t
+
+8e
+w
+EOF
+    partprobe
+    pvcreate /dev/vda4
+    vgextend VolGroup00 /dev/vda4
+    lvextend /dev/VolGroup00/LogVol00 /dev/vda4
+    resize2fs /dev/VolGroup00/LogVol00
+}
+
 # Configure the operator node and install some additional packages.
 function configure_operator {
     yum install -y git mariadb && yum clean all
@@ -127,5 +145,6 @@ prep_work
 install_docker
 
 if [ "$1" = "operator" ]; then
+    resize_partition
     configure_operator
 fi