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48b0110 Sep 8, 2018
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@clong @hhofs
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#! /bin/bash
# This script is meant to be used with a fresh clone of DetectionLab and
# will fail to run if boxes have already been created or any of the steps
# from the README have already been run followed.
# Only MacOS and Linux are supported.
# If you encounter issues, feel free to open an issue at
# https://github.com/clong/DetectionLab/issues
print_usage() {
echo "Usage: ./build.sh <virtualbox | vmware_desktop> <--vagrant-only | --packer-only>"
exit 0
}
check_packer_path() {
# Check for existence of Packer in PATH
if ! which packer >/dev/null; then
(echo >&2 "Packer was not found in your PATH.")
(echo >&2 "Please correct this before continuing. Quitting.")
(echo >&2 "Hint: sudo cp ./packer /usr/local/bin/packer; sudo chmod +x /usr/local/bin/packer")
exit 1
fi
}
check_vagrant_path() {
# Check for existence of Vagrant in PATH
if ! which vagrant >/dev/null; then
(echo >&2 "Vagrant was not found in your PATH.")
(echo >&2 "Please correct this before continuing. Quitting.")
exit 1
fi
# Ensure Vagrant >= 2.0.0
if [ "$(vagrant --version | grep -o "[0-9]" | head -1)" -lt 2 ]; then
(echo >&2 "WARNING: It is highly recommended to use Vagrant 2.0.0 or above before continuing")
fi
}
# Returns 0 if not installed or 1 if installed
check_virtualbox_installed() {
if which VBoxManage >/dev/null; then
echo "1"
else
echo "0"
fi
}
# Returns 0 if not installed or 1 if installed
check_vmware_fusion_installed() {
if [ -e "/Applications/VMware Fusion.app" ]; then
echo "1"
else
echo "0"
fi
}
# Returns 0 if not installed or 1 if installed
check_vmware_desktop_vagrant_plugin_installed() {
LEGACY_PLUGIN_CHECK="$(vagrant plugin list | grep -c 'vagrant-vmware-fusion')"
if [ "$LEGACY_PLUGIN_CHECK" -gt 0 ]; then
(echo >&2 "The VMware Fusion Vagrant plugin is deprecated and is no longer supported by the DetectionLab build script.")
(echo >&2 "Please upgrade to the VMware Desktop plugin: https://www.vagrantup.com/docs/vmware/installation.html")
(echo >&2 "NOTE: The VMware plugin does not work with trial versions of VMware Fusion")
echo "0"
fi
VAGRANT_VMWARE_DESKTOP_PLUGIN_PRESENT="$(vagrant plugin list | grep -c 'vagrant-vmware-desktop')"
if [ "$VAGRANT_VMWARE_DESKTOP_PLUGIN_PRESENT" -eq 0 ]; then
(echo >&2 "VMWare Fusion is installed, but the vagrant-vmware-desktop plugin is not.")
(echo >&2 "If you are seeing this, you may have the deprecated vagrant-vmware-fusion plugin installed. Please remove it and install the vagrant-vmware-desktop plugin.")
(echo >&2 "Visit https://www.hashicorp.com/blog/introducing-the-vagrant-vmware-desktop-plugin for more information on how to purchase and install it")
(echo >&2 "VMWare Fusion will not be listed as a provider until the vagrant-vmware-desktop plugin has been installed.")
echo "0"
else
echo "$VAGRANT_VMWARE_DESKTOP_PLUGIN_PRESENT"
fi
}
# List the available Vagrant providers present on the system
list_providers() {
VBOX_PRESENT=0
VMWARE_FUSION_PRESENT=0
if [ "$(uname)" == "Darwin" ]; then
# Detect Providers on OSX
VBOX_PRESENT=$(check_virtualbox_installed)
VMWARE_FUSION_PRESENT=$(check_vmware_fusion_installed)
VAGRANT_VMWARE_DESKTOP_PLUGIN_PRESENT=$(check_vmware_desktop_vagrant_plugin_installed)
else
# Assume the only other available provider is VirtualBox
VBOX_PRESENT=$(check_virtualbox_installed)
fi
(echo >&2 "Available Providers:")
if [ "$VBOX_PRESENT" == "1" ]; then
(echo >&2 "virtualbox")
fi
if [[ $VMWARE_FUSION_PRESENT -eq 1 ]] && [[ $VAGRANT_VMWARE_DESKTOP_PLUGIN_PRESENT -eq 1 ]]; then
(echo >&2 "vmware_desktop")
fi
if [[ $VBOX_PRESENT -eq 0 ]] && [[ $VMWARE_FUSION_PRESENT -eq 0 ]]; then
(echo >&2 "You need to install a provider such as VirtualBox or VMware Fusion to continue.")
exit 1
fi
(echo >&2 -e "\\nWhich provider would you like to use?")
read -r PROVIDER
# Sanity check
if [[ "$PROVIDER" != "virtualbox" ]] && [[ "$PROVIDER" != "vmware_desktop" ]]; then
(echo >&2 "Please choose a valid provider. \"$PROVIDER\" is not a valid option.")
exit 1
fi
echo "$PROVIDER"
}
# Check to see if boxes exist in the "Boxes" directory already
check_boxes_built() {
BOXES_BUILT=$(find "$DL_DIR"/Boxes -name "*.box" | wc -l)
if [ "$BOXES_BUILT" -gt 0 ]; then
if [ "$VAGRANT_ONLY" -eq 1 ]; then
(echo >&2 "WARNING: You seem to have at least one .box file present in $DL_DIR/Boxes already. If you would like fresh boxes downloaded, please remove all files from the Boxes directory and re-run this script.")
DOWNLOAD_BOXES=0
else
(echo >&2 "You seem to have at least one .box file in $DL_DIR/Boxes. This script does not support pre-built boxes. Please either delete the existing boxes or follow the build steps in the README to continue.")
exit 1
fi
fi
}
# Check to ensure either "md5" or "md5sum" is installed for verifying integrity of downloaded boxes
check_md5_tool_exists() {
if ! which md5 > /dev/null && ! which md5sum > /dev/null; then
(echo >&2 "md5 or md5sum not found in PATH. Please install at least one of these utilities to continue.")
exit 1
fi
}
# Check to see if any Vagrant instances exist already
check_vagrant_instances_exist() {
cd "$DL_DIR"/Vagrant/ || exit 1
# Vagrant status has the potential to return a non-zero error code, so we work around it with "|| true"
VAGRANT_BUILT=$(vagrant status | grep -c 'not created') || true
if [ "$VAGRANT_BUILT" -ne 4 ]; then
(echo >&2 "You appear to have already created at least one Vagrant instance. This script does not support pre-created instances. Please either destroy the existing instances or follow the build steps in the README to continue.")
exit 1
fi
}
check_vagrant_reload_plugin() {
# Ensure the vagrant-reload plugin is installed
VAGRANT_RELOAD_PLUGIN_INSTALLED=$(vagrant plugin list | grep -c 'vagrant-reload')
if [ "$VAGRANT_RELOAD_PLUGIN_INSTALLED" != "1" ]; then
(echo >&2 "The vagrant-reload plugin is required and not currently installed. This script will attempt to install it now.")
if ! $(which vagrant) plugin install "vagrant-reload"; then
(echo >&2 "Unable to install the vagrant-reload plugin. Please try to do so manually and re-run this script.")
exit 1
fi
fi
}
# Check available disk space. Recommend 80GB free, warn if less.
check_disk_free_space() {
FREE_DISK_SPACE=$(df -m "$HOME" | tr -s ' ' | grep '/' | cut -d ' ' -f 4)
if [ "$FREE_DISK_SPACE" -lt 80000 ]; then
(echo >&2 -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")
(df >&2 -m "$HOME")
(echo >&2 "")
fi
}
# Check to see if curl is in PATH - needed for post-install checks
check_curl(){
if ! which curl >/dev/null; then
(echo >&2 "Please install curl and make sure it is in your PATH.")
exit 1
fi
}
# Check Packer version against known "bad" versions
check_packer_known_bad() {
if [ "$(packer --version)" == '1.1.2' ]; then
(echo >&2 "Packer 1.1.2 is not supported. Please upgrade to a newer version and see https://github.com/hashicorp/packer/issues/5622 for more information.")
exit 1
fi
}
# A series of checks to identify potential issues before starting the build
preflight_checks() {
# If it's not a Vagrant-only build, then run Packer-related checks
if [ "$VAGRANT_ONLY" -eq 0 ]; then
check_packer_path
check_packer_known_bad
else
# If it is a Vagrant-only build, set appropriate checks
DOWNLOAD_BOXES=1
check_md5_tool_exists
fi
# If it's not a Packer-only build, then run Vagrant-related checks
if [ "$PACKER_ONLY" -eq 0 ]; then
check_vagrant_path
check_vagrant_instances_exist
check_vagrant_reload_plugin
fi
check_boxes_built
check_disk_free_space
check_curl
}
# Builds a box using Packer
packer_build_box() {
BOX="$1"
cd "$DL_DIR/Packer" || exit 1
(echo >&2 "Using Packer to build the $BOX Box. This can take 90-180 minutes depending on bandwidth and hardware.")
PACKER_LOG=1 PACKER_LOG_PATH="$DL_DIR/Packer/packer_build.log" $(which packer) build --only="$PACKER_PROVIDER-iso" "$BOX".json >&2
echo "$?"
}
# Moves the boxes from the Packer directory to the Boxes directory
move_boxes() {
mv "$DL_DIR"/Packer/*.box "$DL_DIR"/Boxes
# Ensure Windows 10 box exists
if [ ! -f "$DL_DIR"/Boxes/windows_10_"$PACKER_PROVIDER".box ]; then
(echo >&2 "Windows 10 box is missing from the Boxes directory. Qutting.")
exit 1
fi
# Ensure Windows 2016 box exists
if [ ! -f "$DL_DIR"/Boxes/windows_2016_"$PACKER_PROVIDER".box ]; then
(echo >&2 "Windows 2016 box is missing from the Boxes directory. Qutting.")
exit 1
fi
}
# Brings up a single host using Vagrant
vagrant_up_host() {
HOST="$1"
(echo >&2 "Attempting to bring up the $HOST host using Vagrant")
cd "$DL_DIR"/Vagrant || exit 1
$(which vagrant) up "$HOST" --provider="$PROVIDER" &> "$DL_DIR/Vagrant/vagrant_up_$HOST.log"
echo "$?"
}
# Attempts to reload and re-provision a host if the intial "vagrant up" fails
vagrant_reload_host() {
HOST="$1"
cd "$DL_DIR"/Vagrant || exit 1
# Attempt to reload the host if the vagrant up command didn't exit cleanly
$(which vagrant) reload "$HOST" --provision >>"$DL_DIR/Vagrant/vagrant_up_$HOST.log" 2>&1
echo "$?"
}
# A series of checks to ensure important services are responsive after the build completes.
post_build_checks() {
# If the curl operation fails, we'll just leave the variable equal to 0
# This is needed to prevent the script from exiting if the curl operation fails
CALDERA_CHECK=$(curl -ks -m 2 https://192.168.38.105:8888 | grep -c '302: Found' || echo "")
SPLUNK_CHECK=$(curl -ks -m 2 https://192.168.38.105:8000/en-US/account/login?return_to=%2Fen-US%2F | grep -c 'This browser is not supported by Splunk' || echo "")
FLEET_CHECK=$(curl -ks -m 2 https://192.168.38.105:8412 | grep -c 'Kolide Fleet' || echo "")
ATA_CHECK=$(curl --fail --write-out "%{http_code}" -ks https://192.168.38.103 -m 2)
[[ $ATA_CHECK == 401 ]] && ATA_CHECK=1
BASH_MAJOR_VERSION=$(/bin/bash --version | grep 'GNU bash' | grep -o version\.\.. | cut -d ' ' -f 2 | cut -d '.' -f 1)
# Associative arrays are only supported in bash 4 and up
if [ "$BASH_MAJOR_VERSION" -ge 4 ]; then
declare -A SERVICES
SERVICES=(["caldera"]="$CALDERA_CHECK" ["splunk"]="$SPLUNK_CHECK" ["fleet"]="$FLEET_CHECK" ["ms_ata"]="$ATA_CHECK")
for SERVICE in "${!SERVICES[@]}"; do
if [ "${SERVICES[$SERVICE]}" -lt 1 ]; then
(echo >&2 "Warning: $SERVICE failed post-build tests and may not be functioning correctly.")
fi
done
else
if [ "$CALDERA_CHECK" -lt 1 ]; then
(echo >&2 "Warning: Caldera failed post-build tests and may not be functioning correctly.")
fi
if [ "$SPLUNK_CHECK" -lt 1 ]; then
(echo >&2 "Warning: Splunk failed post-build tests and may not be functioning correctly.")
fi
if [ "$FLEET_CHECK" -lt 1 ]; then
(echo >&2 "Warning: Fleet failed post-build tests and may not be functioning correctly.")
fi
if [ "$ATA_CHECK" -lt 1 ]; then
(echo >&2 "Warning: MS ATA failed post-build tests and may not be functioning correctly.")
fi
fi
}
parse_cli_arguments() {
# If no argument was supplied, list available providers
if [ "$#" -eq 0 ]; then
PROVIDER=$(list_providers)
fi
# If more than two arguments were supplied, print usage message
if [ "$#" -gt 2 ]; then
print_usage
exit 1
fi
if [ "$#" -ge 1 ]; then
# If the user specifies the provider as an agument, set the variable
# TODO: Check to make sure they actually have their provider installed
case "$1" in
virtualbox)
PROVIDER="$1"
PACKER_PROVIDER="$1"
;;
vmware_desktop)
PROVIDER="$1"
PACKER_PROVIDER="vmware"
;;
*)
echo "\"$1\" is not a valid provider. Listing available providers:"
PROVIDER=$(list_providers)
;;
esac
fi
if [ $# -eq 2 ]; then
case "$2" in
--packer-only)
PACKER_ONLY=1
;;
--vagrant-only)
VAGRANT_ONLY=1
;;
*)
echo -e "\"$2\" is not recognized as an option. Available options are:\\n--packer-only\\n--vagrant-only"
exit 1
;;
esac
fi
}
build_packer_boxes() {
PACKER_BOXES=("windows_2016" "windows_10")
if [ "$(hostname)" == "packerwindows10" ]; then # Workaround for CI environment
(echo >&2 "CI Environment detected. If you are a user and are seeing this, please file an issue on GitHub.")
RET=$(packer_build_box "windows_10")
if [ "$RET" -eq 0 ]; then
(echo >&2 "Good news! The windows_10 box was built with Packer successfully!")
else
(echo >&2 "Something went wrong while attempting to build the windows_10 box.")
(echo >&2 "To file an issue, please visit https://github.com/clong/DetectionLab/issues/")
exit 1
fi
elif [ "$(hostname)" == "packerwindows2016" ]; then # Workaround for CI environment
(echo >&2 "CI Environment detected. If you are a user and are seeing this, please file an issue on GitHub.")
RET=$(packer_build_box "windows_2016")
if [ "$RET" -eq 0 ]; then
(echo >&2 "Good news! The windows_2016 box was built with Packer successfully!")
else
(echo >&2 "Something went wrong while attempting to build the windows_2016 box.")
(echo >&2 "To file an issue, please visit https://github.com/clong/DetectionLab/issues/")
exit 1
fi
else
for PACKER_BOX in "${PACKER_BOXES[@]}"; do # Normal user workflow
RET=$(packer_build_box "$PACKER_BOX")
if [ "$RET" -eq 0 ]; then
(echo >&2 "Good news! $PACKER_BOX was built successfully!")
else
(echo >&2 "Something went wrong while attempting to build the $PACKER_BOX box.")
(echo >&2 "To file an issue, please visit https://github.com/clong/DetectionLab/issues/")
exit 1
fi
done
fi
}
choose_md5_tool() {
if which md5; then
MD5TOOL="$(which md5)"
CUT_INDEX=4
else
MD5TOOL="$(which md5sum)"
CUT_INDEX=1
fi
}
# Downloads pre-built Packer boxes from detectionlab.network to save time during CI builds
download_boxes() {
choose_md5_tool
if [ "$PROVIDER" == "virtualbox" ]; then
wget "https://www.detectionlab.network/windows_2016_virtualbox.box" -O "$DL_DIR"/Boxes/windows_2016_virtualbox.box
wget "https://www.detectionlab.network/windows_10_virtualbox.box" -O "$DL_DIR"/Boxes/windows_10_virtualbox.box
elif [ "$PROVIDER" == "vmware_desktop" ]; then
wget "https://www.detectionlab.network/windows_2016_vmware.box" -O "$DL_DIR"/Boxes/windows_2016_vmware.box
wget "https://www.detectionlab.network/windows_10_vmware.box" -O "$DL_DIR"/Boxes/windows_10_vmware.box
fi
# Ensure Windows 10 box exists
if [ ! -f "$DL_DIR"/Boxes/windows_10_"$PACKER_PROVIDER".box ]; then
(echo >&2 "Windows 10 box is missing from the Boxes directory. Qutting.")
exit 1
fi
# Ensure Windows 2016 box exists
if [ ! -f "$DL_DIR"/Boxes/windows_2016_"$PACKER_PROVIDER".box ]; then
(echo >&2 "Windows 2016 box is missing from the Boxes directory. Qutting.")
exit 1
fi
# Verify hashes of VirtualBox boxes
if [ "$PACKER_PROVIDER" == "virtualbox" ]; then
if [ "$("$MD5TOOL" "$DL_DIR"/Boxes/windows_10_"$PACKER_PROVIDER".box | cut -d ' ' -f "$CUT_INDEX")" != "94c1ff7264e67af3d7df6d19275086ac" ]; then
(echo >&2 "Hash mismatch on windows_10_virtualbox.box")
fi
if [ "$("$MD5TOOL" "$DL_DIR"/Boxes/windows_2016_"$PACKER_PROVIDER".box | cut -d ' ' -f "$CUT_INDEX")" != "2a0b5dbc432e27a0223da026cc1f378b" ]; then
(echo >&2 "Hash mismatch on windows_2016_virtualbox.box")
fi
# Verify hashes of VMware boxes
elif [ "$PACKER_PROVIDER" == "vmware" ]; then
if [ "$("$MD5TOOL" "$DL_DIR"/Boxes/windows_10_"$PACKER_PROVIDER".box | cut -d ' ' -f "$CUT_INDEX")" != "7d26d3247162dfbf6026fd5bab6a21ee" ]; then
(echo >&2 "Hash mismatch on windows_10_vmware.box")
exit 1
fi
if [ "$("$MD5TOOL" "$DL_DIR"/Boxes/windows_2016_"$PACKER_PROVIDER".box | cut -d ' ' -f "$CUT_INDEX")" != "634628e04a1c6c94b4036b76d0568948" ]; then
(echo >&2 "Hash mismatch on windows_2016_vmware.box")
exit 1
fi
fi
}
build_vagrant_hosts() {
LAB_HOSTS=("logger" "dc" "wef" "win10")
# Vagrant up each box and attempt to reload one time if it fails
for VAGRANT_HOST in "${LAB_HOSTS[@]}"; do
RET=$(vagrant_up_host "$VAGRANT_HOST")
if [ "$RET" -eq 0 ]; then
(echo >&2 "Good news! $VAGRANT_HOST was built successfully!")
fi
# Attempt to recover if the intial "vagrant up" fails
if [ "$RET" -ne 0 ]; then
(echo >&2 "Something went wrong while attempting to build the $VAGRANT_HOST box.")
(echo >&2 "Attempting to reload and reprovision the host...")
RETRY_STATUS=$(vagrant_reload_host "$VAGRANT_HOST")
if [ "$RETRY_STATUS" -eq 0 ]; then
(echo >&2 "Good news! $VAGRANT_HOST was built successfully after a reload!")
else
(echo >&2 "Failed to bring up $VAGRANT_HOST after a reload. Exiting.")
exit 1
fi
fi
done
}
main() {
# Get location of build.sh
# https://stackoverflow.com/questions/59895/getting-the-source-directory-of-a-bash-script-from-within
DL_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PACKER_ONLY=0
VAGRANT_ONLY=0
parse_cli_arguments "$@"
preflight_checks
if [[ "$DOWNLOAD_BOXES" -eq 1 ]] && [[ "$VAGRANT_ONLY" -eq 1 ]]; then
download_boxes
fi
# Build Packer boxes if this isn't a Vagrant-only build
if [ "$VAGRANT_ONLY" -eq 0 ]; then
build_packer_boxes
# The only time we will need to move boxes is if we're doing a full build
if [ "$PACKER_ONLY" -eq 0 ]; then
move_boxes
fi
fi
# Build and Test Vagrant hosts if this isn't a Packer-only build
if [ "$PACKER_ONLY" -eq 0 ]; then
build_vagrant_hosts
post_build_checks
fi
}
main "$@"
exit 0