147 lines
4.3 KiB
Django/Jinja
147 lines
4.3 KiB
Django/Jinja
#!/bin/bash
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# Use forgejo dump to make a backup of Forgejo
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# Also restore from a previously made backup
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# https://docs.gitea.io/en-us/backup-and-restore/
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set -eu
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set -o pipefail
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IFS="$(printf '\n\t')"
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PROGRAM="${0##*/}"
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INSTALL_DIR=/usr/local/bin
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TMP_DIR={{ forgejo_run_dir }}/tmp
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WORK_DIR={{ forgejo_run_dir }}
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DATA_DIR={{ forgejo_data_dir }}
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LOG_DIR={{ forgejo_log_dir }}
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REPO_DIR={{ forgejo_run_dir }}/forgejo-repositories/
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CONFIG_FILE={{ forgejo_conf_dir }}/app.ini
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DUMP_DIR={{ forgejo_run_dir }}/forgejo-dumps
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MYSQL_USER={{ forgejo_db_user }}
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MYSQL_DB={{ forgejo_db_name }}
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MYSQL_PW={{ forgejo_db_pass }}
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{% raw %}
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if [ "$USER" != git ]; then
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echo "You must run this as user 'git'" && exit 1
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fi
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print_help() {
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cat <<-_EOF
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$PROGRAM
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Usage:
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$PROGRAM {backup|restore <forgejo_dump_file>|prune <int>}
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Commands:
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backup Create a backup. Will save to $DUMP_DIR.
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restore Restore a previously created backup, given on the command line:
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<forgejo_dump_file>, absolute path or relative to $PWD.
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prune Remove previously dumped backups and keep <int> backups.
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Options:
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-h Print this help message and quit.
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_EOF
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}
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do_backup() {
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echo "Backing up Forgejo..."
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mkdir -p "$DUMP_DIR"
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mkdir -p "$TMP_DIR"
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stop_service
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output_dump_file="$DUMP_DIR/forgejo-dump-$(date +'%Y%m%d').tar"
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mysql_dump_file="$DUMP_DIR/forgejo-db.sql"
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cd "$INSTALL_DIR" || exit 1
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./forgejo dump -V -f "$output_dump_file" -c "$CONFIG_FILE" -t "$TMP_DIR" --skip-lfs-data -w "$WORK_DIR" --type tar
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mysqldump -u"$MYSQL_USER" -p"$MYSQL_PW" "$MYSQL_DB" > "$mysql_dump_file"
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cd "$DUMP_DIR" || exit 1
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tar --delete -f "$output_dump_file" forgejo-db.sql
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tar --append -f "$output_dump_file" "$(basename $mysql_dump_file)"
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rm "$mysql_dump_file"
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chmod 640 "$output_dump_file" # Make the file readable by group for scp to different host by different user
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gzip "$output_dump_file"
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restart_service
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echo "Done."
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}
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do_restore() {
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echo "Restoring Forgejo backup..."
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start_dir="$PWD"
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tar_file="$1"
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tar_dir="${tar_file%.tar.gz}" # Remove file extension
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chmod 600 "$tar_file" # Backup has changed permissions, restore them here
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echo "Extracting $tar_file..." && mkdir "$tar_dir" && tar xvzf "$tar_file" -C "$tar_dir" && echo " OK."
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cd "$tar_dir" || exit 1
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rm app.ini
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echo -n "Restoring $DATA_DIR..." && rsync -avz --delete data/ "$DATA_DIR" && rm -rf data && echo " OK."
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echo -n "Restoring $LOG_DIR..." && rsync -avz log/ "$LOG_DIR" && rm -rf log && echo " OK."
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echo -n "Restoring $REPO_DIR..." && mkdir -p "$REPO_DIR" && rsync -avz --delete repos/ "$REPO_DIR" && rm -rf repos && echo " OK."
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echo -n "Changing ownership..." && chown -R git:git "$CONFIG_FILE" "$WORK_DIR" && echo " OK."
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echo -n "Restoring MySQL database..." && mysql --default-character-set=utf8mb4 -u"$MYSQL_USER" -p"$MYSQL_PW" "$MYSQL_DB" < forgejo-db.sql && rm forgejo-db.sql && echo " OK."
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cd "$start_dir" || exit 1
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rmdir "$tar_dir"
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restart_service
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regenerate_hooks
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echo "Done."
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}
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do_prune() {
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echo "Pruning Forgejo backups and keeping $1 of them..."
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dumps=("$DUMP_DIR"/forgejo-dump-*.tar.gz)
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nb_of_dumps="${#dumps[@]}"
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nb_to_keep="$1"
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nb_to_prune=$((nb_of_dumps - nb_to_keep))
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if [ "$nb_to_prune" -gt "$nb_of_dumps" ]; then
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echo "There are only $nb_of_dumps backups, quitting." && exit 1
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fi
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if [ "$nb_to_prune" -le 0 ]; then
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echo "Nothing to do" && exit 1
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else
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for ((i=0; i < nb_to_prune; i++)); do
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echo -n "Removing ${dumps[$i]}..." && rm "${dumps[$i]}" && echo " OK."
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done
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fi
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}
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regenerate_hooks() {
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echo "Regenerating hooks..."
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cd "$INSTALL_DIR" || exit 1
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./forgejo admin regenerate hooks --config "$CONFIG_FILE" && echo "Done."
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}
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stop_service() {
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echo -n "Stopping service..." && sudo systemctl stop forgejo.service && echo " OK."
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}
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restart_service() {
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echo -n "Restarting service..." && sudo systemctl restart forgejo.service && echo " OK."
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}
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[ "$#" = 0 ] || [ "$1" = '-h' ] && print_help && exit 1
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if [ "$#" = 2 ]; then
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if [ "$1" = restore ]; then
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echo "STARTING restore"
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do_restore "$2"
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echo "DONE restore"
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elif [ "$1" = prune ]; then
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echo "STARTING prune"
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do_prune "$2"
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echo "DONE prune"
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else
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print_help && exit 1
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fi
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elif [ "$#" = 1 ]; then
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if [ "$1" != backup ]; then
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print_help && exit 1
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fi
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echo "STARTING backup"
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do_backup
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echo "DONE backup"
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else
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print_help && exit 1
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fi
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exit 0
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{% endraw %}
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