suntehnik / http-handler-prometheus

Go-lang HTTP handler wrapper, which automatically creates, registers and updates prometheus metrics.

Go-lang HTTP handler, which automatically creates, registers and updates prometheus metrics.

This is a wrapper around go-lang http handler function, which automatically creates and registers the following prometheus metrics

• total request count
• total error count
• request time (ms) summary: 0.5 0.9 and 0.99 percentile

Usage

See main.go for example of usage. Compile and run main.go Open another terminal and invoke the following command curl http://localhost:8081/test curl http://localhost:8081/test/error curl http://localhost:8081/metrics | grep test

Continue making requests to /test and /test/error endpoints and observe changes in /metrics endpoint

Contribution guide:

• clone repository
• make changes in a separate branch
• update tests
• create pull request

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Licensed under Apache 2.0 license