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# Define the log file path
log_file = '/home/CAPEUSER/Python/logs/dataflow_syslog_transfer_script.csv'

# Configure the logging format as ERROR which includes both ERROR as well as INFO
logging.basicConfig(filename=log_file, format='%(asctime)s - %(levelname)s - %(message)s', level=logging.ERROR)


# Declaring Files
agent_file='/APP_PROD/Dev_App/jar/properties/agent.properties'
bookmark_file='/App/jar/KPI/bookmark_log.properties'
important_words_file='/home/CAPEUSER/Python/CAPE_SYSLOG_INTEGRATION/Code/important_words.txt'
output_folder='/var/log/syslog/'

#Program Execution
import time
start_time = time.time()


# Example INFO log message
logging.info("This is an INFO level log message")

# Example ERROR log message
logging.error("This is an ERROR level log message")

##Caching the VMList so that even if subsequent calls, it returns the cached VM list without needing to read the file again.
vm_list_cache = None


def get_VMList():
    global vm_list_cache
    if vm_list_cache is None:
        try:
            with open(agent_file,'rt',encoding='latin-1') as file:
                for line in file:
                    if 'VMList' in line:
                        vm_list = str(line.split('='))
                        vm_list = re.findall(r'\d+', vm_list)
                        vm_list_cache = list(map(int, vm_list))
                        break
        except FileNotFoundError:
            print(f"{agent_file} not found")
            logging.error("Agent file not found %s", agent_file)
        except Exception as e:
            print(f"An error occurred while reading the file: {str(e)}")
            logging.error("Error occured while reading the file %s", e)
            vm_list_cache = []
    return vm_list_cache

print("The VM List is : ",get_VMList())
logging.info("The VM List is: %s", get_VMList())