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MyObsidianVault/AWA/01_AWS Access/Lambda functions.md

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+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', '127.0.0.1')
+            
+            if instance_id == awa_server_instance_id:
+                #return {
+                #   'statusCode': 200,
+                #    'ip': ip
+                #}
+                return ip
+    #return {
+    #    'statusCode': 200,
+    #    'ip': "127.0.0.1"
+    #}
+    return "127.0.0.1"