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188
haos_vm.sh
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188
haos_vm.sh
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#!/usr/bin/env bash
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# Setup script environment
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set -o errexit #Exit immediately if a pipeline returns a non-zero status
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set -o errtrace #Trap ERR from shell functions, command substitutions, and commands from subshell
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set -o nounset #Treat unset variables as an error
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set -o pipefail #Pipe will exit with last non-zero status if applicable
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shopt -s expand_aliases
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alias die='EXIT=$? LINE=$LINENO error_exit'
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trap die ERR
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trap cleanup EXIT
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function error_exit() {
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trap - ERR
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local DEFAULT='Unknown failure occured.'
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local REASON="\e[97m${1:-$DEFAULT}\e[39m"
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local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
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msg "$FLAG $REASON"
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[ ! -z ${VMID-} ] && cleanup_vmid
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exit $EXIT
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}
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function warn() {
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local REASON="\e[97m$1\e[39m"
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local FLAG="\e[93m[WARNING]\e[39m"
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msg "$FLAG $REASON"
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}
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function info() {
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local REASON="$1"
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local FLAG="\e[36m[INFO]\e[39m"
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msg "$FLAG $REASON"
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}
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function msg() {
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local TEXT="$1"
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echo -e "$TEXT"
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}
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function cleanup_vmid() {
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if $(qm status $VMID &>/dev/null); then
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if [ "$(qm status $VMID | awk '{print $2}')" == "running" ]; then
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qm stop $VMID
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fi
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qm destroy $VMID
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fi
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}
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function cleanup() {
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popd >/dev/null
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rm -rf $TEMP_DIR
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}
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TEMP_DIR=$(mktemp -d)
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pushd $TEMP_DIR >/dev/null
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# Select storage location
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while read -r line; do
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TAG=$(echo $line | awk '{print $1}')
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TYPE=$(echo $line | awk '{printf "%-10s", $2}')
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FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
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ITEM=" Type: $TYPE Free: $FREE "
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OFFSET=2
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if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
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MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
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fi
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STORAGE_MENU+=( "$TAG" "$ITEM" "OFF" )
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done < <(pvesm status -content images | awk 'NR>1')
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if [ $((${#STORAGE_MENU[@]}/3)) -eq 0 ]; then
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warn "'Disk image' needs to be selected for at least one storage location."
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die "Unable to detect valid storage location."
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elif [ $((${#STORAGE_MENU[@]}/3)) -eq 1 ]; then
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STORAGE=${STORAGE_MENU[0]}
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else
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while [ -z "${STORAGE:+x}" ]; do
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STORAGE=$(whiptail --title "Storage Pools" --radiolist \
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"Which storage pool you would like to use for the container?\n\n" \
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16 $(($MSG_MAX_LENGTH + 23)) 6 \
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"${STORAGE_MENU[@]}" 3>&1 1>&2 2>&3) || exit
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done
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fi
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info "Using '$STORAGE' for storage location."
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# Get the next guest VM/LXC ID
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VMID=$(pvesh get /cluster/nextid)
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info "Container ID is $VMID."
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# Get latest Home Assistant disk image archive URL
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echo -e "\e[1;33m Getting URL for latest Home Assistant disk image... \e[0m"
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RELEASE_TYPE=vmdk
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URL=$(cat<<EOF | python3
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import requests
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url = "https://api.github.com/repos/home-assistant/operating-system/releases"
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r = requests.get(url).json()
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if "message" in r:
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exit()
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for release in r:
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if release["prerelease"]:
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continue
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for asset in release["assets"]:
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if asset["name"].find("$RELEASE_TYPE") != -1:
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image_url = asset["browser_download_url"]
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print(image_url)
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exit()
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EOF
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)
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if [ -z "$URL" ]; then
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die "Github has returned an error. A rate limit may have been applied to your connection."
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fi
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# Download Home Assistant disk image archive
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echo -e "\e[1;33m Downloading disk image... \e[0m"
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wget -q --show-progress $URL
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echo -en "\e[1A\e[0K" #Overwrite output from wget
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FILE=$(basename $URL)
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# Check for and Install unzip (if needed)
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if [[ $FILE == *.zip ]]; then
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echo -e "\e[1;33m Checking for unzip command... \e[0m"
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if ! command -v unzip &> /dev/null; then
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echo -e "\e[1;33m Installing Unzip... \e[0m"
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apt-get update
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apt install unzip -y
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fi
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fi
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# Extract Home Assistant disk image
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echo -e "\e[1;33m Extracting disk image... \e[0m"
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case $FILE in
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*"gz") gunzip -f $FILE;;
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*"zip") unzip -o $FILE;;
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*"xz") xz -d $FILE;;
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*) die "Unable to handle file extension '${FILE##*.}'.";;
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esac
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# Create variables for container disk
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STORAGE_TYPE=$(pvesm status -storage $STORAGE | awk 'NR>1 {print $2}')
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case $STORAGE_TYPE in
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nfs|dir)
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DISK_EXT=".qcow2"
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DISK_REF="$VMID/"
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IMPORT_OPT="-format qcow2"
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esac
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for i in {0,1}; do
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disk="DISK$i"
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eval DISK${i}=vm-${VMID}-disk-${i}${DISK_EXT:-}
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eval DISK${i}_REF=${STORAGE}:${DISK_REF:-}${!disk}
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done
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# Create VM
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echo -e "\e[1;33m Creating VM... \e[0m"
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VM_NAME=$(sed -e "s/\_//g" -e "s/.${RELEASE_TYPE}.*$//" <<< $FILE)
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qm create $VMID -agent 1 -bios ovmf -cores 2 -memory 4096 -name $VM_NAME -net0 virtio,bridge=vmbr0 \
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-onboot 1 -ostype l26 -scsihw virtio-scsi-pci
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pvesm alloc $STORAGE $VMID $DISK0 128 1>&/dev/null
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qm importdisk $VMID ${FILE%.*} $STORAGE ${IMPORT_OPT:-} 1>&/dev/null
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qm set $VMID \
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-efidisk0 ${DISK0_REF},size=128K \
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-sata0 ${DISK1_REF},size=32G > /dev/null
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qm set $VMID \
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-boot order=sata0 > /dev/null
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# Add serial port and enable console output
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set +o errtrace
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(
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echo -e "\e[1;33m Adding serial port and configuring console... \e[0m"
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trap '
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warn "Unable to configure serial port. VM is still functional."
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if [ "$(qm config $VMID | sed -n ''/serial0/p'')" != "" ]; then
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qm set $VMID --delete serial0 >/dev/null
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fi
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exit
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' ERR
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if [ "$(command -v kpartx)" = "" ]; then
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echo -e "\e[1;33m Installing kpartx... \e[0m"
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apt-get update >/dev/null
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apt-get -qqy install kpartx &>/dev/null
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fi
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DISK1_PATH="$(pvesm path $DISK1_REF)"
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DISK1_PART1="$(kpartx -al $DISK1_PATH | awk 'NR==1 {print $1}')"
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DISK1_PART1_PATH="/dev/mapper/$DISK1_PART1"
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TEMP_MOUNT="${TEMP_DIR}/mnt"
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trap '
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findmnt $TEMP_MOUNT >/dev/null && umount $TEMP_MOUNT
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command -v kpartx >/dev/null && kpartx -d $DISK1_PATH
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' EXIT
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kpartx -a $DISK1_PATH
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mkdir $TEMP_MOUNT
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mount $DISK1_PART1_PATH $TEMP_MOUNT
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sed -i 's/$/ console=ttyS0/' ${TEMP_MOUNT}/cmdline.txt
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qm set $VMID -serial0 socket >/dev/null
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)
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info "Completed Successfully! New VM ID is \e[1m$VMID\e[0m."
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