Run Daily Morning Tasks at 7 AM | CronBase

#!/usr/bin/env bash
set -euo pipefail

# Lock file to prevent concurrent execution of the daily job
LOCKFILE="/var/lock/daily_morning_task.lock"

# Establish a lock using file descriptor 200
exec 200>"$LOCKFILE"
if ! flock -n 200; then
    echo "[ERROR] Another instance of the daily morning task is already running." >&2
    exit 1
fi

# To install this into the user crontab, run:
# (crontab -l 2>/dev/null; echo "0 7 * * * /usr/local/bin/daily_morning_task.sh") | crontab -

echo "[INFO] Starting daily morning task at $(date -u)"
# Place production task logic here
# Example: /usr/local/bin/backup_db.sh

echo "[INFO] Daily morning task finished successfully."

const cron = require('node-cron');
const { exec } = require('child_process');

// Schedule the task to run every day at 7:00 AM
const dailyJob = cron.schedule('0 7 * * *', () => {
  console.log(`[${new Date().toISOString()}] Initiating daily morning processing...`);
  
  // Execute the production payload with error handling
  exec('/usr/bin/node /app/tasks/process-reports.js', (error, stdout, stderr) => {
    if (error) {
      console.error(`[ERROR] Processing failed: ${error.message}`);
      return;
    }
    if (stderr) {
      console.warn(`[WARN] Process stderr: ${stderr}`);
    }
    console.log(`[SUCCESS] Process stdout: ${stdout}`);
  });
}, {
  scheduled: true,
  timezone: "UTC"
});

console.log('Daily morning cron worker initialized successfully.');

import logging
import sys
from apscheduler.schedulers.blocking import BlockingScheduler
from apscheduler.triggers.cron import CronTrigger

logging.basicConfig(level=logging.INFO, format='%(asctime)s [%(levelname)s] %(message)s')
logger = logging.getLogger(__name__)

def execute_daily_sync():
    logger.info("Starting daily synchronization routine...")
    try:
        # Production logic goes here
        # e.g., sync_database_records()
        logger.info("Daily synchronization completed successfully.")
    except Exception as e:
        logger.error(f"Critical failure during daily synchronization: {e}", exc_info=True)
        # Integrate with alert systems (Sentry, PagerDuty, etc.) here

if __name__ == '__main__':
    scheduler = BlockingScheduler()
    # Set trigger explicitly to 7:00 AM UTC
    trigger = CronTrigger(hour=7, minute=0, timezone='UTC')
    scheduler.add_job(execute_daily_sync, trigger=trigger, id='daily_sync_job')
    
    logger.info("APScheduler started. Daily sync scheduled for 07:00 UTC.")
    try:
        scheduler.start()
    except (KeyboardInterrupt, SystemExit):
        logger.info("Scheduler shutdown requested.")
        sys.exit(0)

package main

import (
	"log"
	"os"
	"os/signal"
	"syscall"
	"time"

	"github.com/robfig/cron/v3"
)

func main() {
	logger := log.New(os.Stdout, "[CRON] ", log.LstdFlags|log.LUTC)

	// Initialize cron runner with UTC support
	c := cron.New(cron.WithLocation(time.UTC))

	_, err := c.AddFunc("0 7 * * *", func() {
		logger.Println("Starting daily system cleanup...")
		// Execute production task
		if err := runCleanupTask(); err != nil {
			logger.Printf("ERROR: Cleanup task failed: %v", err)
			return
		}
		logger.Println("Daily system cleanup completed successfully.")
	})
	if err != nil {
		logger.Fatalf("Failed to schedule cron job: %v", err)
	}

	c.Start()
	logger.Println("Cron scheduler active. Scheduled for 07:00 UTC daily.")

	// Graceful shutdown handling
	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
	<-sigChan

	logger.Println("Shutting down scheduler gracefully...")
	c.Stop()
}

func runCleanupTask() error {
	// Production task implementation
	return nil
}

package com.cronbase.scheduler;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component
public class DailyMorningTaskScheduler {

    private static final Logger logger = LoggerFactory.getLogger(DailyMorningTaskScheduler.class);

    // Cron expression for 7:00 AM daily
    // Zone set to UTC to avoid DST issues
    @Scheduled(cron = "0 0 7 * * *", zone = "UTC")
    public void executeDailyTask() {
        logger.info("Daily morning task triggered at 07:00 UTC.");
        try {
            performBusinessLogic();
            logger.info("Daily morning task completed without errors.");
        } catch (Exception ex) {
            logger.error("Exception occurred during daily morning task execution: ", ex);
            // Trigger system alerts here
        }
    }

    private void performBusinessLogic() {
        // Real application logic goes here
    }
}

apiVersion: batch/v1
kind: CronJob
metadata:
  name: daily-morning-cleanup
  namespace: production
spec:
  schedule: "0 7 * * *"
  concurrencyPolicy: Forbid
  successfulJobsHistoryLimit: 3
  failedJobsHistoryLimit: 5
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: worker
            image: registry.example.com/ops/maintenance-tools:latest
            imagePullPolicy: IfNotPresent
            command:
            - /bin/sh
            - -c
            - "/usr/local/bin/run-cleanup.sh"
            resources:
              requests:
                cpu: "250m"
                memory: "512Mi"
              limits:
                cpu: "1000m"
                memory: "1Gi"
          restartPolicy: OnFailure