306 lines
11 KiB
Bash
Executable File
306 lines
11 KiB
Bash
Executable File
#! /bin/bash
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# This script skips the entire Packer box building process.
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# This script downloads pre-built VirtualBox Packer images from S3 and puts
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# them into the "Boxes" directory.
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# Only MacOS and Linux are supported.
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# If you encounter issues, feel free to open an issue at
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# https://github.com/clong/DetectionLab/issues
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set -e
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print_usage() {
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echo "Usage: ./build.sh <virtualbox|vmware_fusion>"
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exit 0
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}
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check_vagrant() {
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# Check for existence of Vagrant and Packer in PATH
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which vagrant > /dev/null
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if [ "$?" -ne 0 ]; then
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echo "Vagrant was not found in your PATH."
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echo "Please correct this before continuing. Quitting."
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exit 1
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fi
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}
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# Returns 0 if not installed or 1 if installed
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check_virtualbox_installed() {
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which VBoxManage > /dev/null
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if [ "$?" -eq 0 ]; then
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echo "1"
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else
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echo "0"
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fi
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}
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# Returns 0 if not installed or 1 if installed
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check_vmware_fusion_installed() {
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echo "$(ls /Applications | grep -ci 'VMware Fusion.app')"
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}
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# Returns 0 if not installed or 1 if installed
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check_vmware_vagrant_plugin_installed() {
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VAGRANT_VMWARE_PLUGIN_PRESENT=$(vagrant plugin list | grep -c 'vagrant-vmware-fusion')
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if [ $VAGRANT_VMWARE_PLUGIN_PRESENT -eq 0 ]; then
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(>&2 echo "VMWare Fusion is installed, but the Vagrant plugin is not.")
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(>&2 echo "Visit https://www.vagrantup.com/vmware/index.html#buy-now for more information on how to purchase and install it")
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(>&2 echo "VMWare Fusion will not be listed as a provider until the Vagrant plugin has been installed.")
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echo "0"
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else
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echo $VAGRANT_VMWARE_PLUGIN_PRESENT
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fi
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}
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# List the available Vagrant providers present on the system
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list_providers() {
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VBOX_PRESENT=0
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VMWARE_FUSION_PRESENT=0
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if [ $(uname) == "Darwin" ]; then
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# Detect Providers on OSX
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VBOX_PRESENT=$(check_virtualbox_installed)
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VMWARE_FUSION_PRESENT=$(check_vmware_fusion_installed)
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VAGRANT_VMWARE_PLUGIN_PRESENT=$(check_vmware_vagrant_plugin_installed)
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else
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# Assume the only other available provider is VirtualBox
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VBOX_PRESENT=$(check_virtualbox_installed)
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fi
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(>&2 echo "Available Providers:")
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if [ "$VBOX_PRESENT" == "1" ]; then
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(>&2 echo "virtualbox";)
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fi
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if [[ $VMWARE_FUSION_PRESENT -eq 1 ]] && [[ $VAGRANT_VMWARE_PLUGIN_PRESENT -eq 1 ]]
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then
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(>&2 echo "vmware_fusion";)
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fi
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if [[ $VBOX_PRESENT -eq 0 ]] && [[ $VMWARE_FUSION_PRESENT -eq 0 ]]
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then
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(>&2 echo "You need to install a provider such as VirtualBox or VMware Fusion to continue.")
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exit 1
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fi
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(>&2 echo -e "\nWhich provider would you like to use?")
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read PROVIDER
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# Sanity check
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if [[ "$PROVIDER" != "virtualbox" ]] && [[ "$PROVIDER" != "vmware_fusion" ]]
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then
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(>&2 echo "Please choose a valid provider. \"$PROVIDER\" is not a valid option")
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exit 1
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fi
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echo $PROVIDER
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}
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# A series of checks to identify potential issues before starting the build
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preflight_checks() {
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DL_DIR="$1"
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# Check to see if curl is in PATH
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which curl > /dev/null
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if [ "$?" -ne 0 ]; then
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(>&2 echo "Please install curl and make sure it is in your PATH.")
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exit 1
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fi
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# Check to see if wget is in PATH
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which wget > /dev/null
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if [ "$?" -ne 0 ]; then
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(>&2 echo "Please install curl and make sure it is in your PATH.")
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exit 1
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fi
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# Check to see if boxes exist already
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BOXES_BUILT=$(ls -al "$DL_DIR"/Boxes/*.box 2> /dev/null | wc -l)
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if [ $BOXES_BUILT -gt 0 ]; then
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(>&2 echo "You appear to have already built at least one box using Packer. This script automatically downloads them for you. Please either delete the existing boxes or follow the build steps in the README to continue.")
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exit 1
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fi
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# Check to see if any Vagrant instances exist already
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cd "$DL_DIR"/Vagrant/
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VAGRANT_BUILT=$(vagrant status | grep -c 'not created')
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if [ $VAGRANT_BUILT -ne 4 ]; then
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(>&2 echo "You appear to have already created at least one Vagrant instance. This script does not support already created instances. Please either destroy the existing instances or follow the build steps in the README to continue.")
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exit 1
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fi
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# Check available disk space. Recommend 80GB free, warn if less.
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FREE_DISK_SPACE=$(df -m $HOME | tr -s ' ' | grep '/' | cut -d ' ' -f 4)
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if [ $FREE_DISK_SPACE -lt 80000 ]; then
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(>&2 echo -e "Warning: You appear to have less than 80GB of HDD space free on your primary partition. If you are using a separate parition, you may ignore this warning.\n")
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(>&2 df -m $HOME)
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(>&2 echo "")
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fi
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# Ensure the vagrant-reload plugin is installed
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VAGRANT_RELOAD_PLUGIN_INSTALLED=$(vagrant plugin list | grep -c 'vagrant-reload')
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if [ "$VAGRANT_RELOAD_PLUGIN_INSTALLED" != "1" ]; then
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(>&2 echo "The vagrant-reload plugin is required and not currently installed. This script will attempt to install it now.")
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$(which vagrant) plugin install "vagrant-reload"
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if [ "$?" -ne 0 ]; then
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(>&2 echo "Unable to install the vagrant-reload plugin. Please try to do so manually and re-run this script.")
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exit 1
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fi
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fi
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}
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# Downloads pre-build Packer boxes from S3 to save time during CI builds
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download_boxes() {
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DL_DIR="$1"
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PROVIDER="$2"
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if [ "$PROVIDER" == "virtualbox" ]; then
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wget "https://s3-us-west-1.amazonaws.com/detectionlab/windows_2016_virtualbox.box" -O "$DL_DIR"/Boxes/windows_2016_virtualbox.box
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wget "https://s3-us-west-1.amazonaws.com/detectionlab/windows_10_virtualbox.box" -O "$DL_DIR"/Boxes/windows_10_virtualbox.box
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elif [ "$PROVIDER" == "vmware_fusion" ]; then
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wget "https://s3-us-west-1.amazonaws.com/detectionlab/windows_2016_vmware.box" -O "$DL_DIR"/Boxes/windows_2016_vmware.box
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wget "https://s3-us-west-1.amazonaws.com/detectionlab/windows_10_vmware.box" -O "$DL_DIR"/Boxes/windows_10_vmware.box
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fi
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# Hacky workaround
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if [ "$PROVIDER" == "vmware_fusion" ]; then
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PROVIDER="vmware"
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fi
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# Ensure Windows 10 box exists
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if [ ! -f "$DL_DIR"/Boxes/windows_10_"$PROVIDER".box ]; then
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(>&2 echo "Windows 10 box is missing from the Boxes directory. Qutting.")
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exit 1
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fi
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# Ensure Windows 2016 box exists
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if [ ! -f "$DL_DIR"/Boxes/windows_2016_"$PROVIDER".box ]; then
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(>&2 echo "Windows 2016 box is missing from the Boxes directory. Qutting.")
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exit 1
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fi
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# Verify hashes of VirtualBox boxes
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if [ "$PROVIDER" == "virtualbox" ]; then
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if [ "$(md5sum windows_10_"$PROVIDER".box | cut -d ' ' -f 1)" != "30b06e30b36b02ccf1dc5c04017654aa" ]; then
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(>&2 echo "Hash mismatch on windows_10_virtualbox.box")
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fi
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if [ "$(md5sum windows_2016_"$PROVIDER".box | cut -d ' ' -f 1)" != "614f984c82b51471b5bb753940b59d38" ]; then
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(>&2 echo "Hash mismatch on windows_2016_virtualbox.box")
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fi
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# Verify hashes of VMware boxes
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elif [ "$PROVIDER" == "vmware" ]; then
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if [ "$(md5 windows_10_"$PROVIDER".box | cut -d ' ' -f 1)" != "174ad0f0fd2089ff74a880c6dadac74c" ]; then
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(>&2 echo "Hash mismatch on windows_10_vmware.box")
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exit 1
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fi
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if [ "$(md5 windows_2016_"$PROVIDER".box | cut -d ' ' -f 1)" != "1511b9dc942c69c2cc5a8dc471fa8865" ]; then
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(>&2 echo "Hash mismatch on windows_2016_vmware.box")
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exit 1
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fi
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# Reset PROVIDER variable
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PROVIDER="vmware_fusion"
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fi
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}
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# Brings up a single host using Vagrant
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vagrant_up_host() {
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PROVIDER="$1"
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HOST="$2"
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DL_DIR="$3"
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(>&2 echo "Attempting to bring up the $HOST host using Vagrant")
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cd "$DL_DIR"/Vagrant
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$(which vagrant) up $HOST --provider="$PROVIDER" 1>&2
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echo "$?"
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}
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# Attempts to reload and re-provision a host if the intial "vagrant up" fails
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vagrant_reload_host() {
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HOST="$1"
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DL_DIR="$2"
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cd "$DL_DIR"/Vagrant
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# Attempt to reload the host if the vagrant up command didn't exit cleanly
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$(which vagrant) reload $HOST --provision 1>&2
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echo "$?"
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}
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# A series of checks to ensure important services are responsive after the build completes.
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post_build_checks() {
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# If the curl operation fails, we'll just leave the variable equal to 0
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# This is needed to prevent the script from exiting if the curl operation fails
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CALDERA_CHECK=$(curl -ks -m 2 https://192.168.38.5:8888 | grep -c '302: Found' || echo "")
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SPLUNK_CHECK=$(curl -ks -m 2 https://192.168.38.5:8000/en-US/account/login?return_to=%2Fen-US%2F | grep -c 'This browser is not supported by Splunk' || echo "")
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FLEET_CHECK=$(curl -ks -m 2 https://192.168.38.5:8412 | grep -c 'Kolide Fleet' || echo "")
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BASH_MAJOR_VERSION=$(/bin/bash --version | grep 'GNU bash' | grep -o version\.\.. | cut -d ' ' -f 2 | cut -d '.' -f 1)
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# Associative arrays are only supported in bash 4 and up
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if [ "$BASH_MAJOR_VERSION" -ge 4 ]; then
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declare -A SERVICES
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SERVICES=( ["caldera"]="$CALDERA_CHECK" ["splunk"]="$SPLUNK_CHECK" ["fleet"]="$FLEET_CHECK")
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for SERVICE in "${!SERVICES[@]}"
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do
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if [ "${SERVICES[$SERVICE]}" -lt 1 ]; then
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(>&2 echo "Warning: $SERVICE failed post-build tests and may not be functioning correctly.")
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fi
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done
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else
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if [ "$CALDERA_CHECK" -lt 1 ]; then
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(>&2 echo "Warning: Caldera failed post-build tests and may not be functioning correctly.")
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fi
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if [ "$SPLUNK_CHECK" -lt 1 ]; then
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(>&2 echo "Warning: Splunk failed post-build tests and may not be functioning correctly.")
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fi
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if [ "$FLEET_CHECK" -lt 1 ]; then
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(>&2 echo "Warning: Fleet failed post-build tests and may not be functioning correctly.")
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fi
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fi
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}
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main() {
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# Get location of build_vagrant_only.sh
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# https://stackoverflow.com/questions/59895/getting-the-source-directory-of-a-bash-script-from-within
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DL_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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PROVIDER=""
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LAB_HOSTS=("logger" "dc" "wef" "win10")
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# If no argument was supplied, list available providers
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if [ $# -eq 0 ]; then
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PROVIDER=$(list_providers)
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fi
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# If more than one argument was supplied, print usage message
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if [ $# -gt 1 ]; then
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print_usage
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exit 1
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fi
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if [ $# -eq 1 ]; then
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# If the user specifies the provider as an agument, set the variable
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# TODO: Check to make sure they actually have their provider installed
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case "$1" in
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virtualbox)
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PROVIDER="$1"
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;;
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vmware_fusion)
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PROVIDER="$1"
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;;
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*)
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echo "\"$1\" is not a valid provider. Listing available providers:"
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PROVIDER=$(list_providers)
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;;
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esac
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fi
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check_vagrant
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preflight_checks $DL_DIR
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download_boxes $DL_DIR $PROVIDER
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# Vagrant up each box and attempt to reload one time if it fails
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for VAGRANT_HOST in "${LAB_HOSTS[@]}"
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do
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RET=$(vagrant_up_host $PROVIDER $VAGRANT_HOST $DL_DIR)
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if [ "$RET" -eq 0 ]; then
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(>&2 echo "Good news! $VAGRANT_HOST was built successfully!")
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fi
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# Attempt to recover if the intial "vagrant up" fails
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if [ "$RET" -ne 0 ]; then
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(>&2 echo "Something went wrong while attempting to build the $VAGRANT_HOST box.")
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(>&2 echo "Attempting to reload and reprovision the host...")
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RETRY_STATUS=$(vagrant_reload_host $VAGRANT_HOST $DL_DIR)
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if [ "$RETRY_STATUS" -ne 0 ]; then
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(>&2 echo "Failed to bring up $VAGRANT_HOST after a reload. Exiting.")
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exit 1
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fi
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fi
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done
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post_build_checks
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}
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main $@
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exit 0
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