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cmdprobe

A utility for running arbitrary commands and checking their output

Install

cargo install cmdprobe

Usage

Basic execution

See the example cmdprobe.yaml file for what configuration is available.

Construct your own configuration file, and then run cmdprobe against it to execute all the checks that you need to do.

cmdprobe --config-file /etc/cmdprobe.yml

Emitting statsd metrics

You can supply a statsd host and cmdprobe will emit metrics for each test & stage.

cmdprobe --config-file /etc/cmdprobe.yml --statsd-address 127.0.0.1:8125

The following metrics will be emitted:

# Did the entire probe run fail/succeed
cmdprobe.probe.failed
cmdprobe.probe.passed

# Did one check (a collection of stages) fail/succeed
cmdprobe.check.failed
cmdprobe.check.passed

# Did an indidivual stage within a check fail/succeed
cmdprobe.stage.failed
cmdprobe.stage.passed

Running locally

Ensure you have a cmdprobe.yaml file in the current directory

# Start the httpbin for testing
docker-compose up -d

# Run cmdprobe with the local config file
RUST_LOG=cmdprobe=INFO cargo run

Inspiration

I modelled this tool after Tavern so that my team would have an easy time understanding how to use it and migrate existing tests across.