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execute.py
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execute.py
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import os
import time
import datetime
from apscheduler.schedulers.background import BackgroundScheduler
from apscheduler.triggers.cron import CronTrigger
# Fetch environment variables
cron_schedule = os.environ.get('CRON_SCHEDULE')
immediate_execution = os.environ.get('IMMEDIATE_EXECUTION', 'False').lower() == 'true'
script_content = os.environ.get('SCRIPT_CONTENT', 'print("SCRIPT_CONTENT env variable not defined")')
def execute_script():
try:
start_time = time.time()
current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print(f"[{current_time}] Start execute the script:")
exec(script_content)
current_time_finish = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print(f"[{current_time_finish}] Finish execute the script, duration: {(time.time() - start_time):.2f}s")
except Exception as e:
current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print(f"[{current_time}] An error occurred while executing the script: {e}")
scheduler = BackgroundScheduler()
if immediate_execution:
current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print(f"[{current_time}] Immediate execute script!")
execute_script()
else:
print("[INFO] IMMEDIATE_EXECUTION not defined, no immediate execution.")
if cron_schedule:
current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print(f"[{current_time}] Schedule the script with cron schedule: {cron_schedule}")
scheduler.add_job(execute_script, CronTrigger.from_crontab(cron_schedule))
scheduler.start()
try:
# Keep the script running
while True:
time.sleep(1)
except (KeyboardInterrupt, SystemExit):
# Shutdown the scheduler on exit
scheduler.shutdown()
else:
print("[INFO] CRON_SCHEDULE not defined, no scheduled execution.")