Marek Miklewicz
105 lines
2.3 KiB
Bash
Executable File
105 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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PLUGIN_DIR="$(cd "$(dirname "$0")/.." && pwd)"
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DATA_DIR="$PLUGIN_DIR/data"
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JOB_DIR="$DATA_DIR/jobs/pending"
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PROCESSING_DIR="$DATA_DIR/jobs/processing"
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DONE_DIR="$DATA_DIR/jobs/done"
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WORKER_LOCK_DIR="$DATA_DIR/worker.lock"
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DB_LOCK_DIR="$DATA_DIR/lock"
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PID_DIR="$DATA_DIR/pids"
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CANCEL_DIR="$DATA_DIR/cancel"
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mkdir -p "$JOB_DIR" "$PROCESSING_DIR" "$DONE_DIR" "$PID_DIR" "$CANCEL_DIR" "$DB_LOCK_DIR"
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if ! mkdir "$WORKER_LOCK_DIR" 2>/dev/null; then
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exit 0
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fi
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cleanup() {
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rmdir "$WORKER_LOCK_DIR" 2>/dev/null || true
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}
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trap cleanup EXIT
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db_lock_path_for_db() {
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local db_name="$1"
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local safe
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safe="$(printf '%s' "$db_name" | tr -c 'A-Za-z0-9_.-' '_')"
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printf '%s/%s.lock' "$DB_LOCK_DIR" "$safe"
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}
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release_db_lock_later() {
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local lock_path="$1"
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if [ -z "$lock_path" ]; then
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return 0
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fi
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(
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sleep 10
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rm -f "$lock_path" 2>/dev/null || true
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) >/dev/null 2>&1 &
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}
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while true; do
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JOB_FILE=$(ls -1 "$JOB_DIR"/*.env 2>/dev/null | head -n 1)
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if [ -z "${JOB_FILE:-}" ]; then
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break
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fi
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BASE_NAME="$(basename "$JOB_FILE")"
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RUN_FILE="$PROCESSING_DIR/$BASE_NAME"
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mv "$JOB_FILE" "$RUN_FILE"
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JOB_ID="${BASE_NAME%.env}"
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PID_FILE="$PID_DIR/${JOB_ID}.pid"
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JOB_TYPE="restore"
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DB_NAME=""
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DB_LOCK_FILE=""
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# shellcheck disable=SC1090
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source "$RUN_FILE" || true
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JOB_TYPE="${JOB_TYPE:-restore}"
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DB_NAME="${DB_NAME:-}"
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DB_LOCK_FILE="${DB_LOCK_FILE:-}"
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LOCK_PATH=""
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if [ -n "$DB_LOCK_FILE" ]; then
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case "$DB_LOCK_FILE" in
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"$DB_LOCK_DIR"/*.lock) LOCK_PATH="$DB_LOCK_FILE" ;;
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*) LOCK_PATH="" ;;
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esac
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fi
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if [ -z "$LOCK_PATH" ] && [ -n "$DB_NAME" ]; then
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LOCK_PATH="$(db_lock_path_for_db "$DB_NAME")"
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fi
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RUNNER="$PLUGIN_DIR/scripts/restore.sh"
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if [ "$JOB_TYPE" = "backup" ]; then
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RUNNER="$PLUGIN_DIR/scripts/backup.sh"
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fi
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set +e
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"$RUNNER" "$RUN_FILE" &
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RUN_PID=$!
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echo "PID=${RUN_PID}" >> "$RUN_FILE"
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echo "${RUN_PID}" > "$PID_FILE"
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wait "$RUN_PID"
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EXIT_CODE=$?
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set -e
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rm -f "$PID_FILE"
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CANCEL_FLAG="${CANCEL_DIR}/${JOB_ID}.flag"
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if [ -f "$CANCEL_FLAG" ]; then
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rm -f "$CANCEL_FLAG"
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mv "$RUN_FILE" "$DONE_DIR/${JOB_ID}.cancel"
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elif [ "$EXIT_CODE" -eq 0 ]; then
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mv "$RUN_FILE" "$DONE_DIR/${JOB_ID}.ok"
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else
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mv "$RUN_FILE" "$DONE_DIR/${JOB_ID}.fail"
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fi
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release_db_lock_later "$LOCK_PATH"
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done
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exit 0
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