118 lines
3.4 KiB
Bash
118 lines
3.4 KiB
Bash
#!/bin/bash
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# === Load configuration from .env ===
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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if [[ -f "$SCRIPT_DIR/.env" ]]; then
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source "$SCRIPT_DIR/.env"
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else
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echo "[$(date)] ❌ Missing .env file in $SCRIPT_DIR"
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exit 1
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fi
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# Ensure backup directory exists
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mkdir -p "$BACKUP_DIR"
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# === Timestamp & File Setup ===
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TIMESTAMP=$(date +"%Y-%m-%d_%H-%M-%S")
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OUTPUT_FILE="$BACKUP_DIR/docker_backup_$TIMESTAMP.tar.gz"
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LOG_FILE="$BACKUP_DIR/docker_backup_$TIMESTAMP.log"
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# === Logging helper ===
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log() {
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echo "[$(date)] $1" | tee -a "$LOG_FILE"
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}
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# === Uptime Kuma Check-in ===
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uptime_kuma_checkin() {
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if [[ -n "$UPTIME_KUMA_URL" && -n "$UPTIME_KUMA_API_KEY" ]]; then
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curl -s "${UPTIME_KUMA_URL}/api/push/${UPTIME_KUMA_API_KEY}?status=up&msg=OK" > /dev/null
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log "✅ Uptime Kuma check-in sent."
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fi
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}
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# === Gotify Error Notification ===
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gotify_error_notify() {
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local summary="Docker backup errors on $(hostname):\n$1"
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if [[ -n "$GOTIFY_PUSH_URL" && -n "$GOTIFY_PUSH_KEY" ]]; then
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curl -s -X POST "${GOTIFY_PUSH_URL}/message?token=${GOTIFY_PUSH_KEY}" \
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-F "title=[${BACKUP_TAG}] Docker Backup Error on $(hostname)" \
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-F "message=$(echo -e "$summary" | head -c 1000)" \
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-F "priority=5" > /dev/null
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log "⚠️ Gotify error notification sent."
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fi
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}
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# === Stop Containers ===
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stop_containers() {
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log "🛑 Stopping Docker containers"
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for container in ${DOCKER_CONTAINERS[@]}; do
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docker stop "$container" >> "$LOG_FILE" 2>&1
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if [[ $? -eq 0 ]]; then
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log "✅ Stopped container: $container"
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else
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log "❌ Failed to stop container: $container"
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fi
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done
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}
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# === Start Containers ===
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start_containers() {
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log "🚀 Starting Docker containers"
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for container in ${DOCKER_CONTAINERS[@]}; do
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docker start "$container" >> "$LOG_FILE" 2>&1
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if [[ $? -eq 0 ]]; then
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log "✅ Started container: $container"
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else
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log "❌ Failed to start container: $container"
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fi
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done
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}
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# === Backup Directories ===
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backup_directories() {
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log "📦 Backing up directories"
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tar -czf "$OUTPUT_FILE" ${DIRECTORIES_TO_BACKUP[@]} >> "$LOG_FILE" 2>&1
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if [[ $? -eq 0 ]]; then
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log "✅ Backup created at $OUTPUT_FILE"
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else
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log "❌ Failed to create backup archive"
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gotify_error_notify "Backup failed while archiving directories."
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exit 1
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fi
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}
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# === Cleanup Old Backups and Logs ===
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cleanup_old_files() {
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log "🧹 Cleaning up files older than $RETENTION_DAYS days"
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find "$BACKUP_DIR" \( -name "docker_backup_*.tar.gz" -o -name "docker_backup_*.log" \) -type f -mtime +$RETENTION_DAYS -exec rm -f {} \;
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}
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# === Error Scanning ===
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scan_logs_for_errors() {
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log "🔍 Scanning logs for errors"
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ERRORS=""
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while IFS= read -r logfile; do
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LOG_ERRORS=$(grep -Ei "error|failed|❌" "$logfile")
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if [[ -n "$LOG_ERRORS" ]]; then
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ERRORS+="\n$(basename "$logfile"):\n$LOG_ERRORS\n"
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fi
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done < <(find "$BACKUP_DIR" -name "docker_backup_*.log" -type f -mtime -$RETENTION_DAYS)
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if [[ -n "$ERRORS" ]]; then
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gotify_error_notify "$ERRORS"
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fi
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}
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# === Run the Backup Process ===
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log "🔄 Starting Docker backup job"
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uptime_kuma_checkin
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stop_containers
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backup_directories
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start_containers
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cleanup_old_files
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scan_logs_for_errors
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log "✅ Docker backup job completed"
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