Administrator
89 lines
2.9 KiB
Bash
89 lines
2.9 KiB
Bash
#!/bin/bash
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set -x
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# ==========================================================
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# CONFIGURATION
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# ==========================================================
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CONTAINER_NAME="MongoDB"
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MONGO_HOST="localhost"
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MONGO_PORT="27017"
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UNRAID_NAME="tower"
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BASE_PATH="/mnt/user/Backup/Critical/MongoDBBackup"
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KEEP_DAYS=3
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KEEP_COUNT=3 # počet posledních záloh k udržení (mimo time-based)
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# Databases to back up (+ admin DB pro credentials a roles)
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WHAT_TO_BACKUP=("admin" "edc")
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# ==========================================================
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# START
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# ==========================================================
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echo "Starting scheduled backup for: ${WHAT_TO_BACKUP[*]}"
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START_TS=$(date '+%Y-%m-%d %H:%M:%S')
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for DB_NAME in "${WHAT_TO_BACKUP[@]}"; do
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echo "------------------------------------------"
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echo "Processing database: $DB_NAME"
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DATE=$(date +%Y-%m-%d_%H%M)
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FINAL_PATH="$BASE_PATH/$UNRAID_NAME/$DB_NAME/$DATE"
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mkdir -p "$FINAL_PATH"
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DUMP_FILE="$FINAL_PATH/$DB_NAME.archive.gz"
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ERR_FILE="$FINAL_PATH/$DB_NAME.err"
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# ======================================================
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# DUMP + GZIP (streamuje přes stdout, nepotřebuje volume mount)
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# Zachovává: indexy, metadata, validators, all collections
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# ======================================================
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docker exec "$CONTAINER_NAME" mongodump \
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--host="$MONGO_HOST" \
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--port="$MONGO_PORT" \
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--db="$DB_NAME" \
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--archive \
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--gzip \
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--numParallelCollections=4 \
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> "$DUMP_FILE" 2> "$ERR_FILE"
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EXIT_CODE=$?
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# ======================================================
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# VALIDATION
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# ======================================================
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if [ $EXIT_CODE -eq 0 ] && [ -s "$DUMP_FILE" ] && [ ! -s "$ERR_FILE" ]; then
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echo "SUCCESS: $DB_NAME backed up successfully"
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echo "Dump size: $(du -h "$DUMP_FILE" | cut -f1)"
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rm -f "$ERR_FILE"
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else
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echo "ERROR: Backup failed for database: $DB_NAME"
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echo "Exit code: $EXIT_CODE"
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echo "Dump file:"
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ls -lh "$DUMP_FILE" 2>/dev/null || echo " (not created)"
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echo "Error output:"
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[ -s "$ERR_FILE" ] && cat "$ERR_FILE" || echo " (no stderr output)"
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fi
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# ======================================================
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# CLEANUP OLD BACKUPS
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# 1. Smaž zálohy starší než KEEP_DAYS dnů
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# 2. Z toho co zbyde, ponech jen posledních KEEP_COUNT
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# ======================================================
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echo "Cleaning up old backups for $DB_NAME..."
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find "$BASE_PATH/$UNRAID_NAME/$DB_NAME" \
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-mindepth 1 -maxdepth 1 -type d -mtime +$KEEP_DAYS \
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-exec rm -rf {} \;
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# Nech jen posledních KEEP_COUNT záloh
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ls -td "$BASE_PATH/$UNRAID_NAME/$DB_NAME"/*/ 2>/dev/null \
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| tail -n +$((KEEP_COUNT + 1)) \
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| xargs -r rm -rf
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done
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echo "------------------------------------------"
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echo "All backup tasks completed at $(date)"
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echo "Started at: $START_TS"
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set +x
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