@emartech/key-value-to-json-log

This tool is written to convert all logs generated by [logentries-logformat](https://www.npmjs.com/package/logentries-logformat) in a process to be able to use and log with [@emartech/json-logger](https://www.npmjs.com/package/@emartech/json-logger).

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@emartech/key-value-to-json-log
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Readme

@emartech/key-value-to-json-log

This tool is written to convert all logs generated by logentries-logformat in a process to be able to use and log with @emartech/json-logger.

Installation

npm install @emartech/key-value-to-json-log

or you can use it through npx

npx -p @emartech/key-value-to-json-log -c '<YOUR_PROCESS_TO_LOG> | key-value-to-json-log'

Usage

Command Line

Just pipe your process into the key-value-to-json-log bin.

node server/process/web | key-value-to-json-log

And now all incoming logs will be converted and output to process.stdout (or where @emartech/json-logger is logging).

Transformation rules

During the transformation the following rules are applied. Please refine your alerts!

Namespace/eventName

The namespace (type) will be logged as name, as the event's name (event) will be action.

The level of your log (previously result) is converted to a log level (level) by @emartech/json-logger. key-value-to-json-log uses the following mapping:

  • by default, everything is debug (20)
  • success will be info (30)
  • error will be error (50)

Timestamp

Even if the log message has a timestamp in it, it will be truncated and @emartech/json-logger will add its own time.

Key format

All log keys will be converted to snake_case.

Exception/Error

key-value-to-json-log detects if an Error had been logged and will transform the incoming name, message, code and stack keys by prefixing with error_ as it would be done by @emartech/json-logger if you would log an Error with logger.fromError().

Numbers

All incoming number values will be converted to float/int in the JSON output.

License

May be freely distributed under the MIT license.

Copyright (c) 2018 Emarsys Technologies Ltd. and other contributors

If you find any bugs or have a feature request, please open an issue on github!

The npm package download data comes from npm's download counts api and package details come from npms.io.