Proxmox/haos_vm.sh
2021-08-12 11:06:59 -04:00

188 lines
5.7 KiB
Bash

#!/usr/bin/env bash
# Setup script environment
set -o errexit #Exit immediately if a pipeline returns a non-zero status
set -o errtrace #Trap ERR from shell functions, command substitutions, and commands from subshell
set -o nounset #Treat unset variables as an error
set -o pipefail #Pipe will exit with last non-zero status if applicable
shopt -s expand_aliases
alias die='EXIT=$? LINE=$LINENO error_exit'
trap die ERR
trap cleanup EXIT
function error_exit() {
trap - ERR
local DEFAULT='Unknown failure occured.'
local REASON="\e[97m${1:-$DEFAULT}\e[39m"
local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
msg "$FLAG $REASON"
[ ! -z ${VMID-} ] && cleanup_vmid
exit $EXIT
}
function warn() {
local REASON="\e[97m$1\e[39m"
local FLAG="\e[93m[WARNING]\e[39m"
msg "$FLAG $REASON"
}
function info() {
local REASON="$1"
local FLAG="\e[36m[INFO]\e[39m"
msg "$FLAG $REASON"
}
function msg() {
local TEXT="$1"
echo -e "$TEXT"
}
function cleanup_vmid() {
if $(qm status $VMID &>/dev/null); then
if [ "$(qm status $VMID | awk '{print $2}')" == "running" ]; then
qm stop $VMID
fi
qm destroy $VMID
fi
}
function cleanup() {
popd >/dev/null
rm -rf $TEMP_DIR
}
TEMP_DIR=$(mktemp -d)
pushd $TEMP_DIR >/dev/null
# Select storage location
while read -r line; do
TAG=$(echo $line | awk '{print $1}')
TYPE=$(echo $line | awk '{printf "%-10s", $2}')
FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
ITEM=" Type: $TYPE Free: $FREE "
OFFSET=2
if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
fi
STORAGE_MENU+=( "$TAG" "$ITEM" "OFF" )
done < <(pvesm status -content images | awk 'NR>1')
if [ $((${#STORAGE_MENU[@]}/3)) -eq 0 ]; then
warn "'Disk image' needs to be selected for at least one storage location."
die "Unable to detect valid storage location."
elif [ $((${#STORAGE_MENU[@]}/3)) -eq 1 ]; then
STORAGE=${STORAGE_MENU[0]}
else
while [ -z "${STORAGE:+x}" ]; do
STORAGE=$(whiptail --title "Storage Pools" --radiolist \
"Which storage pool you would like to use for the container?\n\n" \
16 $(($MSG_MAX_LENGTH + 23)) 6 \
"${STORAGE_MENU[@]}" 3>&1 1>&2 2>&3) || exit
done
fi
info "Using '$STORAGE' for storage location."
# Get the next guest VM/LXC ID
VMID=$(pvesh get /cluster/nextid)
info "Container ID is $VMID."
# Get latest Home Assistant disk image archive URL
echo -e "\e[1;33m Getting URL for latest Home Assistant disk image... \e[0m"
RELEASE_TYPE=vmdk
URL=$(cat<<EOF | python3
import requests
url = "https://api.github.com/repos/home-assistant/operating-system/releases"
r = requests.get(url).json()
if "message" in r:
exit()
for release in r:
if release["prerelease"]:
continue
for asset in release["assets"]:
if asset["name"].find("$RELEASE_TYPE") != -1:
image_url = asset["browser_download_url"]
print(image_url)
exit()
EOF
)
if [ -z "$URL" ]; then
die "Github has returned an error. A rate limit may have been applied to your connection."
fi
# Download Home Assistant disk image archive
echo -e "\e[1;33m Downloading disk image... \e[0m"
wget -q --show-progress $URL
echo -en "\e[1A\e[0K" #Overwrite output from wget
FILE=$(basename $URL)
# Check for and Install unzip (if needed)
if [[ $FILE == *.zip ]]; then
echo -e "\e[1;33m Checking for unzip command... \e[0m"
if ! command -v unzip &> /dev/null; then
echo -e "\e[1;33m Installing Unzip... \e[0m"
apt-get update
apt install unzip -y
fi
fi
# Extract Home Assistant disk image
echo -e "\e[1;33m Extracting disk image... \e[0m"
case $FILE in
*"gz") gunzip -f $FILE;;
*"zip") unzip -o $FILE;;
*"xz") xz -d $FILE;;
*) die "Unable to handle file extension '${FILE##*.}'.";;
esac
# Create variables for container disk
STORAGE_TYPE=$(pvesm status -storage $STORAGE | awk 'NR>1 {print $2}')
case $STORAGE_TYPE in
nfs|dir)
DISK_EXT=".qcow2"
DISK_REF="$VMID/"
IMPORT_OPT="-format qcow2"
esac
for i in {0,1}; do
disk="DISK$i"
eval DISK${i}=vm-${VMID}-disk-${i}${DISK_EXT:-}
eval DISK${i}_REF=${STORAGE}:${DISK_REF:-}${!disk}
done
# Create VM
echo -e "\e[1;33m Creating VM... \e[0m"
VM_NAME=$(sed -e "s/\_//g" -e "s/.${RELEASE_TYPE}.*$//" <<< $FILE)
qm create $VMID -agent 1 -bios ovmf -cores 2 -memory 4096 -name $VM_NAME -net0 virtio,bridge=vmbr0 \
-onboot 1 -ostype l26 -scsihw virtio-scsi-pci
pvesm alloc $STORAGE $VMID $DISK0 128 1>&/dev/null
qm importdisk $VMID ${FILE%.*} $STORAGE ${IMPORT_OPT:-} 1>&/dev/null
qm set $VMID \
-efidisk0 ${DISK0_REF},size=128K \
-sata0 ${DISK1_REF},size=32G > /dev/null
qm set $VMID \
-boot order=sata0 > /dev/null
# Add serial port and enable console output
set +o errtrace
(
echo -e "\e[1;33m Adding serial port and configuring console... \e[0m"
trap '
warn "Unable to configure serial port. VM is still functional."
if [ "$(qm config $VMID | sed -n ''/serial0/p'')" != "" ]; then
qm set $VMID --delete serial0 >/dev/null
fi
exit
' ERR
if [ "$(command -v kpartx)" = "" ]; then
echo -e "\e[1;33m Installing kpartx... \e[0m"
apt-get update >/dev/null
apt-get -qqy install kpartx &>/dev/null
fi
DISK1_PATH="$(pvesm path $DISK1_REF)"
DISK1_PART1="$(kpartx -al $DISK1_PATH | awk 'NR==1 {print $1}')"
DISK1_PART1_PATH="/dev/mapper/$DISK1_PART1"
TEMP_MOUNT="${TEMP_DIR}/mnt"
trap '
findmnt $TEMP_MOUNT >/dev/null && umount $TEMP_MOUNT
command -v kpartx >/dev/null && kpartx -d $DISK1_PATH
' EXIT
kpartx -a $DISK1_PATH
mkdir $TEMP_MOUNT
mount $DISK1_PART1_PATH $TEMP_MOUNT
sed -i 's/$/ console=ttyS0/' ${TEMP_MOUNT}/cmdline.txt
qm set $VMID -serial0 socket >/dev/null
)
info "Completed Successfully! New VM ID is \e[1m$VMID\e[0m."