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Create podman-copy-data-docker.sh
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#!/usr/bin/env bash
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# Use to copy all data from a Podman Home Assistant LXC to a Docker Home Assistant LXC.
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# run from the Proxmox Shell
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# bash -c "$(wget -qLO - https://raw.githubusercontent.com/tteck/Proxmox/main/misc/podman-copy-data-docker.sh)"
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while true; do
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read -p "Use to copy all data from a Podman Home Assistant LXC to a Docker Home Assistant LXC. Proceed(y/n)?" yn
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case $yn in
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[Yy]* ) break;;
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[Nn]* ) exit;;
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* ) echo "Please answer yes or no.";;
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esac
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done
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set -o errexit
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set -o errtrace
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set -o nounset
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set -o pipefail
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shopt -s expand_aliases
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alias die='EXIT=$? 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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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() {
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[ -d "${CTID_FROM_PATH:-}" ] && pct unmount $CTID_FROM
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[ -d "${CTID_TO_PATH:-}" ] && pct unmount $CTID_TO
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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 $TEMP_DIR >/dev/null
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TITLE="Home Assistant LXC Data Copy"
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while read -r line; do
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TAG=$(echo "$line" | awk '{print $1}')
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ITEM=$(echo "$line" | awk '{print substr($0,36)}')
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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} + $OFFSET))
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fi
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CTID_MENU+=( "$TAG" "$ITEM " "OFF" )
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done < <(pct list | awk 'NR>1')
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while [ -z "${CTID_FROM:+x}" ]; do
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CTID_FROM=$(whiptail --title "$TITLE" --radiolist \
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"\nWhich HA Podman LXC would you like to copy FROM?\n" \
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16 $(($MSG_MAX_LENGTH + 23)) 6 \
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"${CTID_MENU[@]}" 3>&1 1>&2 2>&3) || exit
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done
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while [ -z "${CTID_TO:+x}" ]; do
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CTID_TO=$(whiptail --title "$TITLE" --radiolist \
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"\nWhich HA LXC would you like to copy TO?\n" \
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16 $(($MSG_MAX_LENGTH + 23)) 6 \
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"${CTID_MENU[@]}" 3>&1 1>&2 2>&3) || exit
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done
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for i in ${!CTID_MENU[@]}; do
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[ "${CTID_MENU[$i]}" == "$CTID_FROM" ] && \
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CTID_FROM_HOSTNAME=$(sed 's/[[:space:]]*$//' <<<${CTID_MENU[$i+1]})
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[ "${CTID_MENU[$i]}" == "$CTID_TO" ] && \
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CTID_TO_HOSTNAME=$(sed 's/[[:space:]]*$//' <<<${CTID_MENU[$i+1]})
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done
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whiptail --defaultno --title "$TITLE" --yesno \
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"Are you sure you want to copy data between the following LXCs?
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$CTID_FROM (${CTID_FROM_HOSTNAME}) -> $CTID_TO (${CTID_TO_HOSTNAME})
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Version: 2022.03.31" 13 50 || exit
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info "Home Assistant Data from '$CTID_FROM' to '$CTID_TO'"
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if [ $(pct status $CTID_TO | sed 's/.* //') == 'running' ]; then
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msg "Stopping '$CTID_TO'..."
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pct stop $CTID_TO
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fi
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msg "Mounting Container Disks..."
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DOCKER_PATH=/var/lib/docker/volumes/hass_config/
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PODMAN_PATH=/var/lib/containers/storage/volumes/hass_config/
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CTID_FROM_PATH=$(pct mount $CTID_FROM | sed -n "s/.*'\(.*\)'/\1/p") || \
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die "There was a problem mounting the root disk of LXC '${CTID_FROM}'."
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[ -d "${CTID_FROM_PATH}${PODMAN_PATH}" ] || \
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die "Home Assistant directories in '$CTID_FROM' not found."
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CTID_TO_PATH=$(pct mount $CTID_TO | sed -n "s/.*'\(.*\)'/\1/p") || \
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die "There was a problem mounting the root disk of LXC '${CTID_TO}'."
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[ -d "${CTID_TO_PATH}${DOCKER_PATH}" ] || \
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die "Home Assistant directories in '$CTID_TO' not found."
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rm -rf ${CTID_TO_PATH}${DOCKER_PATH}
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mkdir ${CTID_TO_PATH}${DOCKER_PATH}
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msg "Copying Data Between Containers..."
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RSYNC_OPTIONS=(
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--archive
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--hard-links
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--sparse
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--xattrs
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--no-inc-recursive
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--info=progress2
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)
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msg "<======== Data ========>"
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rsync ${RSYNC_OPTIONS[*]} ${CTID_FROM_PATH}${PODMAN_PATH} ${CTID_TO_PATH}${DOCKER_PATH}
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echo -en "\e[1A\e[0K\e[1A\e[0K"
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info "Successfully Transferred Data."
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# Use to copy all data from a Podman Home Assistant LXC to a Docker Home Assistant LXC.
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# run from the Proxmox Shell
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# bash -c "$(wget -qLO - https://raw.githubusercontent.com/tteck/Proxmox/main/misc/podman-copy-data-docker.sh)"
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