Update commands

changelogs.md

@@ -5,6 +5,7 @@
 ### Added
 - Implemented Restic installation using a precompiled binary to reduce memory usage.
 - Added logic to create the Restic password file if it doesn't exist during installation.
+- Automatic installation of the cronnext tool for next-run calculation.
 
 ### Fixed
 - Resolved issue with missing Restic password file causing auto backup configuration to fail.
@@ -16,3 +17,9 @@
 ### Updated
 - Updated `manifest.jps` to ensure Restic password file creation and log rotation setup.
 
+### Improved
+- Improved logging with timestamps and detailed error/warning levels.
+- Enhanced fallback mechanism to manually calculate the next run time for common cron schedules.
+- Implemented notifications via Slack and email for failures or issues.
+- Optimized error handling to gracefully manage unsupported schedules or tool failures.
+     

manifest.jps

@@ -172,7 +172,7 @@ actions:
   backupnow:
     - cmd[cp]: 
       user: root
-      commands: bash /home/jelastic/mb-backups/backup_all.sh "${globals.envName}"
+      commands: bash /home/jelastic/mb-backups/backup_all.sh "backup_now"
     - return:         
         type: info
         message: "${response.out}"   

scripts/imports/backup_all.sh

@@ -70,11 +70,15 @@ export RESTIC_PASSWORD=$(cat "$password_file")
 export RESTIC_REPOSITORY="$backupPath"
 
 # Check repository
-check_backup_repo
+check_backup_repo() {
+    restic snapshots > /dev/null 2>&1
     if [ $? -ne 0 ]; then
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: Backup repository check failed" | tee -a "$LOG_DIR/backup_error.log"
+        echo "[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: Backup repository is not accessible" | tee -a "$LOG_DIR/backup_error.log"
         exit 1
     fi
+}
+
+check_backup_repo
 
 # Backup functions
 backup_core_files() {
@@ -170,5 +174,10 @@ main() {
     echo "[$(date +'%Y-%m-%d %H:%M:%S')] Full backup completed in $duration seconds" | tee -a "$main_log"
 }
 
-# Execute main function
+# Argument handling
+if [ "$1" == "backup_now" ]; then
     main
+else
+    echo "Usage: $0 backup_now"
+    exit 1
+fi

scripts/imports/check_sched.sh

@@ -1,21 +1,129 @@
 #!/bin/bash
 
-# Script to check for scheduled cron jobs for /home/litespeed/mb-backups/backup_all.sh
+# Global Configuration
-
-# Define the script path to check in cron jobs
 SCRIPT_PATH="/home/litespeed/mb-backups/backup_all.sh"
 LOG_FILE="/home/litespeed/mb-backups/logs/cron_check.log"
+CRON_SCHEDULE="0 0 * * *"
 
-# Log the start of the script check
+# Slack Webhook URL (optional)
-echo "[$(date)] Checking for automated backup cron job..." | tee -a "$LOG_FILE"
+SLACK_WEBHOOK_URL="https://hooks.slack.com/services/your/webhook/url"
 
-# Check if the cron job is found in the crontab
+# Email Notification (optional)
-CRON_JOB=$(crontab -l | grep -F "$SCRIPT_PATH")
+EMAIL="your_email@example.com"
 
-if [ -z "$CRON_JOB" ]; then
+# Helper functions
-    echo "[$(date)] Automated Backups are NOT enabled." | tee -a "$LOG_FILE"
+log_message() {
-else
+    local level="$1"
-    echo "[$(date)] Automated Backups are enabled with the following schedule:" | tee -a "$LOG_FILE"
+    local message="$2"
-    echo "$CRON_JOB" | awk '{print "Schedule: " $1, $2, $3, $4, $5}' | tee -a "$LOG_FILE"
+    echo "[$(date)] [$level] $message" | tee -a "$LOG_FILE"
-    echo "[$(date)] Note: Computing the next human-readable run time requires external tools." | tee -a "$LOG_FILE"
+}
+
+send_notification() {
+    local message="$1"
+    if [ -n "$SLACK_WEBHOOK_URL" ]; then
+        curl -X POST -H 'Content-type: application/json' \
+            --data "{\"text\":\"$message\"}" "$SLACK_WEBHOOK_URL"
+        log_message "INFO" "Slack notification sent."
     fi
+
+    if [ -n "$EMAIL" ]; then
+        echo "$message" | mail -s "Backup Script Notification" "$EMAIL"
+        log_message "INFO" "Email notification sent."
+    fi
+}
+
+check_cron_service() {
+    if ! systemctl is-active --quiet crond; then
+        log_message "ERROR" "Cron service is not running. Attempting to restart..."
+        sudo systemctl start crond && log_message "INFO" "Cron service restarted successfully." || {
+            log_message "ERROR" "Failed to restart cron service."
+            exit 1
+        }
+    fi
+}
+
+install_cronnext() {
+    log_message "INFO" "Checking for 'cronnext' tool..."
+    if ! command -v cronnext &> /dev/null; then
+        log_message "WARNING" "'cronnext' tool not found. Attempting to install..."
+        if command -v pip &> /dev/null; then
+            pip install cronnext && log_message "INFO" "'cronnext' installed successfully." || {
+                log_message "ERROR" "Failed to install 'cronnext'. Please install it manually."
+                send_notification "Cronnext installation failed. Please check the server configuration."
+                exit 1
+            }
+        else
+            log_message "ERROR" "'pip' is not installed. Unable to install 'cronnext'."
+            send_notification "Pip is missing; unable to install Cronnext. Please investigate."
+            exit 1
+        fi
+    else
+        log_message "INFO" "'cronnext' is already installed."
+    fi
+}
+
+check_and_repair_cron() {
+    log_message "INFO" "Checking for existing cron job for $SCRIPT_PATH..."
+    local existing_job
+    existing_job=$(crontab -l 2>/dev/null | grep -F "$SCRIPT_PATH")
+
+    if [ -z "$existing_job" ]; then
+        log_message "WARNING" "Automated backups are NOT enabled. Attempting to re-add cron job..."
+        (crontab -l 2>/dev/null; echo "$CRON_SCHEDULE SHELL=/bin/bash PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin RESTIC_PASSWORD=\"YourResticPassword\" $SCRIPT_PATH > /home/litespeed/mb-backups/logs/auto/backup.log 2>&1") | crontab - && \
+            log_message "INFO" "Cron job re-added successfully." || \
+            log_message "ERROR" "Failed to add cron job."
+    else
+        log_message "INFO" "Automated backups are already enabled with the following schedule:"
+        echo "$existing_job" | awk '{print "Schedule: " $1, $2, $3, $4, $5}' | tee -a "$LOG_FILE"
+    fi
+}
+
+calculate_next_run_fallback() {
+    local cron_schedule="$1"
+    case "$cron_schedule" in
+        "0 * * * *") # Hourly
+            date -d "+1 hour" "+%Y-%m-%d %H:00:00"
+            ;;
+        "0 0 * * *") # Daily at midnight
+            date -d "tomorrow 00:00" "+%Y-%m-%d %H:%M:%S"
+            ;;
+        "0 0 * * 0") # Weekly at midnight on Sunday
+            date -d "next sunday 00:00" "+%Y-%m-%d %H:%M:%S"
+            ;;
+        "*/15 * * * *") # Every 15 minutes
+            date -d "15 minutes" "+%Y-%m-%d %H:%M:%S"
+            ;;
+        *) # Unsupported schedules
+            log_message "ERROR" "Unsupported schedule for fallback: $cron_schedule"
+            echo "Unsupported schedule"
+            ;;
+    esac
+}
+
+display_next_run() {
+    log_message "INFO" "Calculating next run time for the cron job..."
+    install_cronnext
+
+    local next_run
+    next_run=$(cronnext "$CRON_SCHEDULE" 2>/dev/null)
+
+    if [ -n "$next_run" ]; then
+        log_message "INFO" "Next scheduled run time: $next_run"
+    else
+        log_message "WARNING" "Failed to calculate next run time using 'cronnext'. Falling back to manual calculation..."
+        next_run=$(calculate_next_run_fallback "$CRON_SCHEDULE")
+        if [ "$next_run" == "Unsupported schedule" ]; then
+            send_notification "Failed to calculate next run time: unsupported schedule $CRON_SCHEDULE."
+        else
+            log_message "INFO" "Next scheduled run time (fallback): $next_run"
+        fi
+    fi
+}
+
+# Main Execution
+log_message "INFO" "Starting backup schedule verification script..."
+check_cron_service
+check_and_repair_cron
+display_next_run
+
+log_message "INFO" "Backup schedule verification completed successfully."

scripts/imports/manage_backup_schedule.sh

@@ -14,20 +14,17 @@ log_action() {
 }
 
 check_and_install_cron() {
-    # Check if cron is installed
     if ! command -v crontab &> /dev/null; then
         echo "Cron is not installed. Installing..."
-        sudo dnf install -y cronie
+        sudo dnf install -y cronie || { echo "Failed to install cron."; exit 1; }
     fi
 
-    # Check if cron is running
     if ! systemctl is-active --quiet crond; then
         echo "Starting cron service..."
         sudo systemctl start crond
         sudo systemctl enable crond
     fi
 
-    # Verify cron is running
     if systemctl is-active --quiet crond; then
         echo "Cron service is running."
     else
@@ -37,30 +34,55 @@ check_and_install_cron() {
     fi
 }
 
+validate_cron_syntax() {
+    local schedule="$1"
+    if ! echo "$schedule" | grep -Eq '^(\*|[0-9]|[0-5][0-9]) (\*|[0-9]|1[0-9]|2[0-3]) (\*|[0-9]|3[0-1]) (\*|[1-9]|1[0-2]) (\*|[0-6])$'; then
+        echo "Invalid cron schedule format: $schedule"
+        log_action "Invalid cron schedule format: $schedule"
+        exit 1
+    fi
+}
+
 add_update_cron_job() {
-    # Verify Restic password is provided
+    local action="$1"
-    if [ -z "$3" ]; then
+    local schedule="$2"
+    local restic_password="$3"
+
+    validate_cron_syntax "$schedule"
+
+    if [ -z "$restic_password" ]; then
         echo "Restic password is required."
-        log_action "Attempted to add/update a schedule without providing a Restic password."
+        log_action "Attempted to $action a schedule without providing a Restic password."
         exit 1
     fi
 
-    # Prepare the cron command to include dynamic date in the backup log filename
+    local restic_path="/usr/local/bin/restic"
-    CMD="RESTIC_PASSWORD=\"$3\" $BACKUP_SCRIPT > \"${BACKUP_LOG_PREFIX}\$(date +\\%Y-\\%m-\\%d_\\%H-\\%M-\\%S).log\" 2>&1"
+    if [ ! -x "$restic_path" ]; then
+        echo "Error: restic not found at $restic_path. Please verify installation."
+        log_action "restic not found at $restic_path"
+        exit 1
+    fi
 
-    # Add or update the cron job
+    # Prepare the cron job command
-    (crontab -l | grep -v "$BACKUP_SCRIPT" 2>/dev/null; echo "$2 $CMD") | crontab -
+    local cmd="SHELL=/bin/bash"
-    local update_msg="Backup schedule updated to: $2"
+    cmd+=" PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-    echo "$update_msg"
+    cmd+=" RESTIC_PASSWORD=\"$restic_password\""
-    log_action "$update_msg"
+    cmd+=" $BACKUP_SCRIPT"
+    cmd+=" > \"${BACKUP_LOG_PREFIX}\$(date +\\%Y-\\%m-\\%d_\\%H-\\%M-\\%S).log\" 2>&1"
 
-    # Verify if the cron job was added
+    # Debug: Output the command to verify
-    if crontab -l | grep -q "$CMD"; then
+    echo "Adding the following cron job:"
-        echo "Cron job added successfully."
+    echo "$schedule $cmd"
-        log_action "Cron job added successfully."
+
+    # Remove any existing lines containing $BACKUP_SCRIPT, then add the new one
+    (crontab -l 2>/dev/null | grep -v "$BACKUP_SCRIPT"; echo "$schedule $cmd") | crontab -
+
+    if crontab -l | grep -q "$BACKUP_SCRIPT"; then
+        echo "Cron job $action successfully."
+        log_action "Cron job $action successfully: $schedule"
     else
-        echo "Failed to add cron job."
+        echo "Failed to $action cron job. Please check logs for details."
-        log_action "Failed to add cron job."
+        log_action "Failed to $action cron job: $schedule"
         exit 1
     fi
 }
@@ -68,20 +90,23 @@ add_update_cron_job() {
 # Main execution
 check_and_install_cron
 
-# Example usage: add or update a cron job
-# Usage: ./manage_backup_schedule.sh add '0 1 * * *' 'your_restic_password'
 case $1 in
     add|update)
         if [ "$#" -ne 3 ]; then
             echo "Usage for add/update: $0 {add|update} 'schedule' 'restic_password'"
-            echo "Example: $0 add '0 1 * * *' 'secret_password'"
+            log_action "Incorrect usage for $1. Format not followed."
-            log_action "Incorrect usage for add/update. Correct format not followed."
+            exit 1
         else
-            add_update_cron_job "$@"
+            add_update_cron_job "$1" "$2" "$3"
         fi
         ;;
     remove)
-        # Functionality to remove cron job can be added here
+        tmp_cron=$(mktemp)
+        crontab -l 2>/dev/null | grep -v "$BACKUP_SCRIPT" > "$tmp_cron"
+        crontab "$tmp_cron"
+        rm -f "$tmp_cron"
+        echo "All backup schedules removed."
+        log_action "All backup schedules removed."
         ;;
     *)
         echo "Invalid action: $1. Use add, update, or remove."