Initial Commit

2026-04-10 14:48:52 +02:00
commit fad7d9a757
81 changed files with 39657 additions and 0 deletions
@@ -0,0 +1,144 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Monthly log archival script for Inventarsystem
+# Runs on first day of month during automatic update
+# Compresses logs to tar.gz, stores for up to 1 year, removes uncompressed originals
+
+PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+LOG_DIR="$PROJECT_DIR/logs"
+ARCHIVE_BASE_DIR="$PROJECT_DIR/backups/logs_archive"
+LOG_ARCHIVE_FILE="$LOG_DIR/archive-logs.log"
+GUARD_FILE="$PROJECT_DIR/.last-log-archive"
+COMPRESSION_LEVEL="${COMPRESSION_LEVEL:-9}"
+
+# Ensure archive base directory exists
+mkdir -p "$ARCHIVE_BASE_DIR"
+chmod 755 "$ARCHIVE_BASE_DIR" 2>/dev/null || true
+
+log_message() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_ARCHIVE_FILE"
+}
+
+should_archive_logs() {
+    local today month_day guard_date
+    
+    today="$(date +%Y-%m-%d)"
+    month_day="$(date +%d)"
+    
+    # Only run on first day of month
+    if [ "$month_day" != "01" ]; then
+        return 1
+    fi
+    
+    # Check if we already ran today
+    if [ -f "$GUARD_FILE" ]; then
+        guard_date="$(cat "$GUARD_FILE" 2>/dev/null || echo '')"
+        if [ "$guard_date" = "$today" ]; then
+            log_message "Log archive already executed today ($today). Skipping."
+            return 1
+        fi
+    fi
+    
+    return 0
+}
+
+archive_application_logs() {
+    local archive_name archive_path retention_days cleanup_count deleted_count
+    
+    if [ ! -d "$LOG_DIR" ] || [ -z "$(find "$LOG_DIR" -maxdepth 1 -type f -name '*.log' 2>/dev/null)" ]; then
+        log_message "No log files found in $LOG_DIR. Nothing to archive."
+        return 0
+    fi
+    
+    archive_name="inventar_logs_$(date +%Y-%m-01_%H%M%S)"
+    archive_path="$ARCHIVE_BASE_DIR/${archive_name}.tar.gz"
+    
+    log_message "Starting monthly log archival..."
+    log_message "Archive destination: $archive_path"
+    
+    # Create temporary directory for prepping files
+    local tmp_prep_dir
+    tmp_prep_dir="$(mktemp -d)"
+    trap 'rm -rf "${tmp_prep_dir:-}"' RETURN
+    
+    # Copy log files to temp directory (excluding archive log itself during copy)
+    if ! find "$LOG_DIR" -maxdepth 1 -type f -name '*.log' ! -name 'archive-logs.log' -exec cp {} "$tmp_prep_dir/" \; 2>/dev/null; then
+        log_message "WARNING: Could not copy all log files to temp directory"
+    fi
+    
+    # Create tar.gz archive
+    if tar -czf "$archive_path" -C "$tmp_prep_dir" . 2>/dev/null; then
+        log_message "Log archive created successfully: $archive_path"
+        log_message "Archive size: $(du -h "$archive_path" | cut -f1)"
+    else
+        log_message "ERROR: Failed to create log archive"
+        return 1
+    fi
+    
+    # Remove uncompressed log files (keep archive-logs.log for continuity)
+    log_message "Removing uncompressed log files..."
+    local files_removed=0
+    while IFS= read -r log_file; do
+        if [ "$log_file" != "$LOG_ARCHIVE_FILE" ]; then
+            rm -f "$log_file" && ((++files_removed)) || true
+        fi
+    done < <(find "$LOG_DIR" -maxdepth 1 -type f -name '*.log')
+    log_message "Removed $files_removed uncompressed log file(s)"
+    
+    trap - RETURN
+}
+
+cleanup_old_archives() {
+    local retention_days cleanup_count deleted_count total_archives
+    
+    retention_days="365"
+    
+    # Find and remove archives older than 1 year
+    log_message "Cleaning up archives older than $retention_days days..."
+    
+    total_archives="$(find "$ARCHIVE_BASE_DIR" -maxdepth 1 -type f -name '*.tar.gz' 2>/dev/null | wc -l)"
+    deleted_count="0"
+    
+    find "$ARCHIVE_BASE_DIR" -maxdepth 1 -type f -name '*.tar.gz' -mtime +$retention_days | while read -r old_archive; do
+        log_message "Removing old archive: $old_archive"
+        rm -f "$old_archive"
+        ((++deleted_count)) || true
+    done 2>/dev/null || true
+    
+    # Count deleted (safer approach)
+    local current_archives
+    current_archives="$(find "$ARCHIVE_BASE_DIR" -maxdepth 1 -type f -name '*.tar.gz' 2>/dev/null | wc -l)"
+    deleted_count="$((total_archives - current_archives))"
+    
+    if [ "$deleted_count" -gt 0 ]; then
+        log_message "Deleted $deleted_count old archive(s); kept $current_archives"
+    else
+        log_message "No old archives to delete (total: $total_archives)"
+    fi
+}
+
+main() {
+    if ! should_archive_logs; then
+        return 0
+    fi
+    
+    log_message "=== Monthly log archival started ==="
+    
+    archive_application_logs || {
+        log_message "ERROR: Log archival failed"
+        return 1
+    }
+    
+    cleanup_old_archives || {
+        log_message "WARNING: Archive cleanup encountered issues"
+    }
+    
+    # Update guard file with today's date
+    date +%Y-%m-%d > "$GUARD_FILE"
+    
+    log_message "=== Monthly log archival completed successfully ==="
+    return 0
+}
+
+main "$@"