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https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2024-11-09 22:41:03 +01:00
Rewrote code logic to deal with the case if a service gets activated during the freezer is running
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@ -2,12 +2,18 @@ import argparse
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import subprocess
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import time
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import os
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from datetime import datetime
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def parse_time_to_seconds(time_str):
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"""Convert time string to seconds."""
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units = {"s": 1, "min": 60, "h": 3600}
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number, unit = time_str[:-1], time_str[-1]
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if unit not in units:
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if time_str[-3:] in units:
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number, unit = time_str[:-3], time_str[-3:]
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elif time_str[-2:] in units:
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number, unit = time_str[:-2], time_str[-2:]
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elif time_str[-1:] in units:
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number, unit = time_str[:-1], time_str[-1:]
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else:
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raise ValueError("Invalid time unit")
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return int(number) * units[unit]
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@ -30,78 +36,89 @@ def check_service_active(service_name):
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service_status = result.stdout.decode('utf-8').strip()
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return_value=service_status in ['active', 'activating']
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if return_value:
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print(f"Service {service} is active.");
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print(f"Service {service_name} is active.");
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else:
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print(f"Service {service} is not active.");
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print(f"Service {service_name} is not active.");
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return return_value
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def check_any_service_active(services):
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"""Check if any service in the list is active or activating."""
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for service in services:
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for service_name in services:
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if check_service_active(service_name):
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return True
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return False
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def freeze(services_to_wait_for, ignored_services, timeout_sec):
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def stop_timer(service):
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# Stop and disable the corresponding timer, if it exists
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if service_file_exists(service,"timer"):
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timer_name = service + ".timer"
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subprocess.run(['systemctl', 'stop', timer_name])
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subprocess.run(['systemctl', 'disable', timer_name])
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print(f"{timer_name} stopped and disabled.")
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else:
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print(f"No timer to stop.")
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def filter_services(services, ignored_services):
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"""
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Removes all services from the 'services' list that are contained in 'ignored_services'.
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:param services: List of services.
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:param ignored_services: List of services to be ignored.
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:return: Filtered list of services.
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"""
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return [service for service in services if service not in ignored_services]
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def stop_all_timers(services):
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for service in services:
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stop_timer(service)
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def wait_for_all_services_to_stop(filtered_services,max_attempts,attempt,break_time_sec):
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for service in filtered_services:
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while check_service_active(service):
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attempt += 1
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if attempt > max_attempts:
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raise Exception(f"Error: Maximum attempts ({max_attempts}) reached. Exit.")
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print(f"{datetime.now().isoformat()}#{attempt}/{max_attempts}: Waiting for {break_time_sec} seconds for {service} to stop...")
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time.sleep(break_time_sec)
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return attempt
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def freeze(filtered_services,timeout_sec):
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break_time_sec=5
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attempt=0
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max_attempts=timeout_sec/break_time_sec
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any_service_active=True
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print("Checking if any services is active.")
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# This guaranties that no service will be started in the between time
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while any_service_active:
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# Filter services that exist and are not in the ignored list
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for service in services_to_wait_for:
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print(f"\nFreezing: {service}")
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if service in ignored_services:
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print(f"{service} will be ignored.")
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else:
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while check_service_active(service):
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current_time_iso = datetime.now().isoformat()
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attempt += 1
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print(f"{current_time_iso}#{attempt}/{max_attempts}: Waiting for {break_time_sec} seconds for {service} to stop...")
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time.sleep(break_time_sec)
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if attempt > max_attempts:
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raise Exception(f"Error: Maximum attempts ({max_attempts}) reached. Exit.")
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# Stop and disable the corresponding timer, if it exists
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if service_file_exists(service,"timer"):
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timer_name = service + ".timer"
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subprocess.run(['systemctl', 'stop', timer_name])
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subprocess.run(['systemctl', 'disable', timer_name])
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print(f"{timer_name} stopped and disabled.")
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else:
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print(f"No timer to stop.")
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print("Checking if any of the previous deactivated services is active.")
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any_service_active=check_any_service_active(services_to_wait_for)
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while check_any_service_active(filtered_services):
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stop_all_timers(filtered_services)
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attempt=wait_for_all_services_to_stop(filtered_services,max_attempts,attempt,break_time_sec)
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print("\nAll required services have stopped.")
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def defrost(services_to_wait_for, ignored_services):
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for service in services_to_wait_for:
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def defrost(filtered_services):
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for service in filtered_services:
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print(f"\nUnfreezing: {service}")
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if service in ignored_services:
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print(f"{service} will be ignored.")
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elif service_file_exists(service,"timer"):
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if service_file_exists(service,"timer"):
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# Start and enable the corresponding timer, if it exists
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timer_name = service + ".timer"
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subprocess.run(['systemctl', 'start', timer_name])
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subprocess.run(['systemctl', 'enable', timer_name])
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print(f"{timer_name} started and enabled.")
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else:
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print(f"Skipped.")
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print(f"No timer to activate.")
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print("\nAll required services are started.")
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def main(services_to_wait_for, ignored_services, action, timeout_sec):
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print(f"Services to wait for: {services_to_wait_for}")
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print(f"Services to ignore: {ignored_services}")
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def main(services, ignored_services, action, timeout_sec):
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filtered_services=filter_services(services, ignored_services)
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print(f"Services to handle : {services}")
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print(f"Services to ignore : {ignored_services}")
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print(f"Services filtered : {filtered_services}")
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if action == 'freeze':
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print("Freezing services.");
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freeze(services_to_wait_for, ignored_services, timeout_sec)
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freeze(filtered_services, timeout_sec)
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elif action == 'defrost':
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print("Unfreezing services.");
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defrost(services_to_wait_for, ignored_services)
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defrost(filtered_services)
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print('\nOverview:')
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subprocess.run(['systemctl', 'list-timers'])
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@ -111,9 +128,8 @@ if __name__ == "__main__":
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parser.add_argument('services', nargs='+', help='List of services to apply the action to')
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parser.add_argument('--ignore', nargs='*', help='List of services to ignore in the action', default=[])
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parser.add_argument('--timeout', help='Timeout for freezing services (e.g., 1h, 30min, 45s)', default='1h')
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args = parser.parse_args()
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services_to_wait_for = args.services
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services = args.services
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ignored_services = args.ignore if args.ignore else []
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timeout_seconds = parse_time_to_seconds(args.timeout)
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main(services_to_wait_for, ignored_services, args.action, timeout_seconds)
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main(services, ignored_services, args.action, timeout_seconds)
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