obsidian/MyObsidianVault/AWA/01_AWS Access/_Lambda Code Snippets/03 Get AWA Server IP.md

import boto3
import time
import datetime

#ec2 = boto3.resource('ec2')
ec2 = boto3.client('ec2')

awa_server_instance_id = "i-0de7cce6fcdf8c0e6"
                          
def lambda_handler(event, context):
    #return "1.2.3.4"

    #filters = [
    #    {
    #        'Name': 'instance-state-name',
    #        'Values': ['running']
    #    }
    #]
    #
    #instances = ec2.instances.filter(Filters=filters)
    #
    #for instance in instances:
    #    print(instance)

    
    response = ec2.describe_instances()
    
    for reservation in response['Reservations']:
        for instance in reservation['Instances']:
            instance_id = instance.get('InstanceId', 'NONE')
            ip = instance.get('PublicIpAddress', 'DOWN')
            
            if instance_id == awa_server_instance_id:
                #return {
                #   'statusCode': 200,
                #    'ip': ip
                #}
                return ip+'\n'
    #return {
    #    'statusCode': 200,
    #    'ip': "DOWN"
    #}
    return "DOWN\n"