Best Python code snippet using localstack_python
TerminateEC2-lambda.py
Source: TerminateEC2-lambda.py
1import boto32import datetime3#####4# First function will try to filter for EC2 instances that contain a tag named 'TerminationDate' which is set to '{Today's Date}'5# If that condition is met, function will compare current date (YYYY-MM-DD) to the value of the 'TerminationDate' tag.6# Value of the 'TerminationDate' tag must be in the following format 'YYYY-MM-DD' - Example : '2021-04-29' 7# 8# In order to trigger this function make sure to setup a CloudWatch event which will be executed every day. 9# The following Lambda Function needs a role with permission to terminate EC2 instances and write to CloudWatch logs.10# 11# Example EC2 Instance tags: 12# 13# TerminationDate: 2021-04-2914#####15#define boto3 connection16ec2 = boto3.resource('ec2')17def lambda_handler(event, context):18 19 # Get current time in format YYYY-MM-DD20 current_date = datetime.date.today().isoformat()21 22 # Find all the instances that are tagged with TerminationDate: {Today's Date}23 filters = [24 {25 'Name': 'tag:TerminationDate',26 'Values': [current_date]27 }28 ]29 # Search all the instances which contains scheduled filter 30 instances = ec2.instances.filter(Filters=filters)31 terminate_instances = [] 32 # Locate all instances that are tagged to terminate.33 for instance in instances:34 for tag in instance.tags:35 if tag['Key'] == 'TerminationDate':36 if tag['Value'] == current_date:37 terminate_instances.append(instance.id)38 print(f"Searching for instances with a TerminationDate tag value of: {current_date}.")39 40 # Terminate all instances with TerminateDate values of todays's date. 41 if len(terminate_instances) > 0:42 # perform the termination43 terminate = ec2.instances.filter(InstanceIds=terminate_instances).terminate()44 terminate 45 print(f"The following instances were found and have been terminated: {terminate_instances}.")46 else:...
terminate_instances.py
Source: terminate_instances.py
1import logging2import boto33from botocore.exceptions import ClientError4def terminate_instances(instance_ids):5 """Terminate one or more Amazon EC2 instances6 :param instance_ids: List of string IDs of EC2 instances to terminate7 :return: List of state information for each instance specified in instance_ids.8 If error, return None.9 """10 # Terminate each instance in the argument list11 ec2 = boto3.client('ec2')12 try:13 states = ec2.terminate_instances(InstanceIds=instance_ids)14 except ClientError as e:15 logging.error(e)16 return None17 return states['TerminatingInstances']18def main():19 """Exercise terminate_instances()"""20 # Assign these values before running the program21 ec2_instance_ids = ['EC2_INSTANCE_ID']22 # Set up logging23 logging.basicConfig(level=logging.DEBUG,24 format='%(levelname)s: %(asctime)s: %(message)s')25 # Terminate the EC2 instance(s)26 states = terminate_instances(ec2_instance_ids)27 if states is not None:28 logging.debug('Terminating the following EC2 instances')29 for state in states:30 logging.debug(f'ID: {state["InstanceId"]}')31 logging.debug(f' Current state: Code {state["CurrentState"]["Code"]}, '32 f'{state["CurrentState"]["Name"]}')33 logging.debug(f' Previous state: Code {state["PreviousState"]["Code"]}, '34 f'{state["PreviousState"]["Name"]}')35if __name__ == '__main__':...
ec2_terminate.py
Source: ec2_terminate.py
1import logging2import boto33from botocore.exceptions import ClientError4def terminate_instances(instance_ids):5 """Terminate one or more Amazon EC2 instances6 :param instance_ids: List of string IDs of EC2 instances to terminate7 :return: List of state information for each instance specified in instance_ids.8 If error, return None.9 """10 # Terminate each instance in the argument list11 ec2 = boto3.client('ec2')12 try:13 states = ec2.terminate_instances(InstanceIds=instance_ids)14 except ClientError as e:15 logging.error(e)16 return None17 return states['TerminatingInstances']18def main():19 """Exercise terminate_instances()"""20 # Assign these values before running the program21 ec2_instance_ids = ['EC2_INSTANCE_ID']22 # Set up logging23 logging.basicConfig(level=logging.DEBUG,24 format='%(levelname)s: %(asctime)s: %(message)s')25 # Terminate the EC2 instance(s)26 states = terminate_instances(ec2_instance_ids)27 if states is not None:28 logging.debug('Terminating the following EC2 instances')29 for state in states:30 logging.debug(f'ID: {state["InstanceId"]}')31 logging.debug(f' Current state: Code {state["CurrentState"]["Code"]}, '32 f'{state["CurrentState"]["Name"]}')33 logging.debug(f' Previous state: Code {state["PreviousState"]["Code"]}, '34 f'{state["PreviousState"]["Name"]}')35if __name__ == '__main__':...
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