From 1037cb7e941e6942916333c0b8b632eb05aea1bb Mon Sep 17 00:00:00 2001
From: tteckster <tteckster@gmail.com>
Date: Tue, 18 Jan 2022 22:29:46 -0500
Subject: [PATCH] Create haos_vm.sh

---
 vm/haos_vm.sh | 177 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 vm/haos_vm.sh

diff --git a/vm/haos_vm.sh b/vm/haos_vm.sh
new file mode 100644
index 00000000..a4aa4f54
--- /dev/null
+++ b/vm/haos_vm.sh
@@ -0,0 +1,177 @@
+#!/usr/bin/env bash
+
+while true; do
+    read -p "This will create a New Home Assistant OS VM. Proceed(y/n)?" yn
+    case $yn in
+        [Yy]* ) break;;
+        [Nn]* ) exit;;
+        * ) echo "Please answer yes or no.";;
+    esac
+done
+set -o errexit
+set -o errtrace
+set -o nounset
+set -o pipefail
+shopt -s expand_aliases
+alias die='EXIT=$? LINE=$LINENO error_exit'
+CHECKMARK='\033[0;32m\xE2\x9C\x94\033[0m'
+trap die ERR
+trap cleanup EXIT
+function error_exit() {
+  trap - ERR
+  local DEFAULT='Unknown failure occured.'
+  local REASON="\e[97m${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 $TEMP_DIR >/dev/null
+while read -r line; do
+  TAG=$(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."
+VMID=$(pvesh get /cluster/nextid)
+info "Container ID is $VMID."
+echo -e "\e[1;33m Getting URL for latest Home Assistant disk image... \e[0m"
+RELEASE_TYPE=qcow2
+URL=$(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
+echo -e "${CHECKMARK} \e[1;92m Downloading disk image... \e[0m"
+wget -q --show-progress $URL
+echo -en "\e[1A\e[0K"
+FILE=$(basename $URL)
+if [[ $FILE == *.zip ]]; then
+  echo -e "${CHECKMARK} \e[1;92m Checking for unzip command... \e[0m"
+  if ! command -v unzip &> /dev/null; then
+    echo -e "${CHECKMARK} \e[1;92m Installing Unzip... \e[0m"
+    apt-get update >/dev/null
+    apt-get -qqy install unzip &>/dev/null
+  fi
+fi
+echo -e "${CHECKMARK} \e[1;92m 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
+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:-}${!disk}
+done
+echo -e "${CHECKMARK} \e[1;92m 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 \
+  -scsi0 ${DISK1_REF},size=32G > /dev/null
+qm set $VMID \
+  -boot order=scsi0 > /dev/null
+set +o errtrace
+(
+  echo -e "${CHECKMARK} \e[1;92m 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 "${CHECKMARK} \e[1;92m Installing kpartx... \e[0m"
+    apt-get update >/dev/null
+    apt-get -qqy install kpartx &>/dev/null
+  fi
+  DISK1_PATH="$(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."