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- Custom formats with quoted strings and special characters
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The example code includes format detection for common formats, but you'll need to customize this based on your specific log structure.
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#### Example: Custom parser for structured logs
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For logs with a specific structure (like AWS ELB logs), you have to implement a custom parser. Here's a simplified example:
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```py
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import shlex
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import re
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classParser:
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defparse_line(self, line):
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try:
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line = re.sub(r"[\[\]]", "", line)
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data = shlex.split(line)
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result = {
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"protocol": data[0],
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"timestamp": data[1],
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"client_ip_port": data[2],
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# ...more fields...
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}
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return result
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exceptExceptionas e:
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raise e
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```
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## Configure S3 to trigger Lambda
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In the Amazon S3 console, select the bucket where your log files are stored. Go to the properties tab, find the event notifications section, and create an event notification. Select All object create events as the event type and choose the Lambda function you created earlier as the destination. For more information, see the [AWS documentation](https://docs.aws.amazon.com/lambda/latest/dg/with-s3-example.html).
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