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52 lines
1.7 KiB
52 lines
1.7 KiB
# import json
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import base64
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import os
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import boto3
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def lambda_handler(event, context):
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print('## ENVIRONMENT VARIABLES')
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print(os.environ)
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print('## EVENT')
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print(event)
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globally_unique_s3_group_bucket_name = os.environ.get("bucketName")
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print('Trying to access bucket: ' + globally_unique_s3_group_bucket_name)
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s3_client = boto3.client('s3')
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response = s3_client.get_object(Bucket=globally_unique_s3_group_bucket_name, Key='us-east-1')
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counter = int(response['Body'].read().decode('utf-8'))
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debug = ""
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incr = 0
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if 'body' in event:
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body = str(base64.b64decode(event['body']).decode("utf-8"))
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if body.startswith('input'):
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incr = int(body.rsplit('=')[1])
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elif 'input' in event:
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incr = int(event['input'])
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if incr is not 0:
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counter = counter + incr
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response = s3_client.put_object(Bucket=globally_unique_s3_group_bucket_name, Key='us-east-1', Body=str(counter))
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output = ('<html><head><title>Counter Demo</title>\n'
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# '<meta http-equiv="refresh" content="5"/></head><body>\n'
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'<h2>HS Fulda Cloud Computing - Counter Demo</h2>\n'
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'<p><b>HTML-Output:</b> ' + str(counter) + '</p></body>\n'
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'<form method=POST action="">\n'
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'<input type="hidden" name="input" value="1">\n'
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'<input type="submit" value="Increment"></form>\n'
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# '<hr><b>Lambda Event:</b><br>' + repr(event) + '\n'
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# '<hr><b>Lambda Context:</b><br>' + repr(context) + '\n'
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'</body></html>\n')
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return {
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'statusCode': 200,
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'headers': {
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'Content-Type': 'text/html',
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'x-hsfd-counter': str(counter)
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},
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'body': output
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}
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