Vagrant: add libvirt provider

Signed-off-by: Philippe Vanhaesendonck <philippe.vanhaesendonck@oracle.com>

oracle-linux-image-tools/README.md

@@ -27,6 +27,9 @@ The tool currently supports:
   - Vagrant (VirtualBox provider)  
     Target packages: VirtualBox guest additions  
     Image format: box
+  - Vagrant (libvirt provider)  
+    Target packages: nfs-utils  
+    Image format: box
   - Generic (No cloud setup)  
     Target packages: none  
     Image format: OVA
@@ -38,6 +41,7 @@ The tool currently supports:
    - For `OCI` or `OLVM` images, install the ` qemu-img` package:  
     `yum install qemu-img`
    - For `Vagrant` box (VirtualBox provider), install [HashiCorp Vagrant](https://vagrantup.com/)
+   - For `Vagrant` box (libvirt provider), download the [create_box.sh](https://github.com/vagrant-libvirt/vagrant-libvirt/blob/master/tools/create_box.sh) third party script from the [vagrant-libvirt](https://github.com/vagrant-libvirt/vagrant-libvirt) project or install [HashiCorp Vagrant](https://vagrantup.com/) and the [vagrant-libvirt](https://github.com/vagrant-libvirt/vagrant-libvirt) plugin
 1. Clone this repo:  
   `git clone https://github.com/oracle/ol-sample-scripts.git`
 1. The build script need root privileges during the build.

oracle-linux-image-tools/cloud/vagrant-libvirt/env.properties

@@ -0,0 +1,17 @@
+# Default parameters for the vagrant-libvirt cloud.
+# Do NOT change anything in this file, customisation must be done in separate
+# env file.
+
+# Location of the vagrant libvirt create_box.sh script.
+# Install the vagrant-libvirt plugin on your build machine or download the
+# script from:
+# https://github.com/vagrant-libvirt/vagrant-libvirt/blob/master/tools/create_box.sh
+# VAGRANT_LIBVIRT_BOX_SCRIPT="${HOME}/.vagrant.d/gems/<vagrant version>/gems/vagrant-libvirt-<version>/tools/create_box.sh"
+
+# Memory and CPU to allocate to the box by default at runtime (default: use
+# build VM parameters)
+# VAGRANT_LIBVIRT_MEM_SIZE=
+# VAGRANT_LIBVIRT_CPU_NUM=
+
+# Install developer release packages (common to all providers)
+VAGRANT_DEVELOPER_REPOS="no"

oracle-linux-image-tools/cloud/vagrant-libvirt/files/vagrant-common.sh

@@ -0,0 +1 @@
+../../vagrant-virtualbox/files/vagrant-common.sh

oracle-linux-image-tools/cloud/vagrant-libvirt/image-scripts.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+#
+# Cleanup and package image for the "vagrant-libvirt" image
+#
+# Copyright (c) 2020 Oracle and/or its affiliates.
+# Licensed under the Universal Permissive License v 1.0 as shown at
+# https://oss.oracle.com/licenses/upl.
+#
+# Description: this module provides 2 functions:
+#   cloud::image_cleanup: cloud specific actions to cleanup the image
+#     This function is optional
+#   cloud::image_package: Package the raw image for the target cloud.
+#     This function must be defined either at cloud or cloud/distribution level
+#
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+#
+
+#######################################
+# Parameter validation
+# Globals:
+#   VAGRANT_LIBVIRT_BOX_SCRIPT
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+cloud::validate() {
+  [[ -n ${VAGRANT_LIBVIRT_BOX_SCRIPT} && -x ${VAGRANT_LIBVIRT_BOX_SCRIPT} ]]  || error "missing vagrant box_create script"
+  [[ ${VAGRANT_LIBVIRT_CPU_NUM} =~ ^[0-9]*$ ]]  || error "vagrant cpu count is not numeric"
+  [[ ${VAGRANT_LIBVIRT_MEM_SIZE} =~ ^[0-9]*$ ]]  || error "vagrant memory is not numeric"
+  [[ ${VAGRANT_DEVELOPER_REPOS,,} =~ ^(yes)|(no)$ ]] || error "VAGRANT_DEVELOPER_REPOS must be Yes or No"
+}
+
+#######################################
+# Cleanup actions run directly on the image
+# Globals:
+#   None
+# Arguments:
+#   root filesystem directory
+#   boot filesystem directory
+# Returns:
+#   None
+#######################################
+cloud::image_cleanup() {
+  :
+}
+
+#######################################
+# Image packaging: generate box using vagrant tool
+# Globals:
+#   VM_NAME
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+cloud::image_package() {
+  local cpus="${VAGRANT_LIBVIRT_CPU_NUM:-$CPU_NUM}"
+  local memory="${VAGRANT_LIBVIRT_MEM_SIZE:-$MEM_SIZE}"
+
+  # Convert to qcow2
+  qemu-img convert -c -O qcow2 System.img "${VM_NAME}.qcow"
+  rm System.img
+
+  # Defaults for the box
+  cat > Vagrantfile <<-EOF
+  config.vm.provider :libvirt do |libvirt|
+    libvirt.memory = ${memory}
+    libvirt.cpus = ${cpus}
+  end
+EOF
+  ${VAGRANT_LIBVIRT_BOX_SCRIPT} "${VM_NAME}.qcow" "${VM_NAME}.box" Vagrantfile
+  rm "${VM_NAME}.qcow" Vagrantfile
+}

oracle-linux-image-tools/cloud/vagrant-libvirt/provision.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+#
+# Packer provisioning script for Vagrant-libvirt
+#
+# Copyright (c) 2020 Oracle and/or its affiliates.
+# Licensed under the Universal Permissive License v 1.0 as shown at
+# https://oss.oracle.com/licenses/upl.
+#
+# Description: Vagrant specific provisioning. This module provides 2 functions,
+# both are optional.
+#   cloud::provision: provision the instance
+#   cloud::cleanup: instance cleanup before shutdown
+#
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+#
+
+# Load vagrant common scripts
+source /tmp/packer_files/cloud/vagrant-common.sh
+
+#######################################
+# Configure Vagrant instance
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+cloud::config()
+{
+  vagrant::config
+}
+
+#######################################
+# Install NFS client (needed for shared /vagrant folder)
+# Globals:
+#   YUM_VERBOSE
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+cloud::install_agent()
+{
+  echo_message "Install NFS client"
+  yum install -y ${YUM_VERBOSE} nfs-utils
+}
+
+#######################################
+# Provisioning module
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+cloud::provision()
+{
+  cloud::install_agent
+  cloud::config
+}
+
+#######################################
+# Cleanup module
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   None
+#######################################
+cloud::cleanup()
+{
+  vagrant::cleanup
+}

oracle-linux-image-tools/env.properties

@@ -84,6 +84,17 @@ CLOUD="none"
 # Empty means no disk, otherwhise it is the size in GB of the extra disk
 # VAGRANT_VIRTUALBOX_EXTRA_DISK_GB=
 
+# Vagrant libvirt
+# Location of the vagrant libvirt create_box.sh script.
+# Install the vagrant-libvirt plugin on your build machine or download the
+# script from:
+# https://github.com/vagrant-libvirt/vagrant-libvirt/blob/master/tools/create_box.sh
+# VAGRANT_LIBVIRT_BOX_SCRIPT="${HOME}/.vagrant.d/gems/<vagrant version>/gems/vagrant-libvirt-<version>/tools/create_box.sh"
+# Memory and CPU to allocate to the box by default at runtime (default: same
+# as build VM values)
+# VAGRANT_LIBVIRT_MEM_SIZE=
+# VAGRANT_LIBVIRT_CPU_NUM=
+
 # Vagrant all providers
 # Install developer release packages (Yes/No, default: no)
 # VAGRANT_DEVELOPER_REPOS=