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gruf-lightstep - LightStep tracing for gruf

CircleCI Gem Version Inline docs

Adds LightStep tracing support for gruf 2.0.0+.

Installation

gem 'gruf-lightstep'

Then in an initializer or before use, after loading gruf:

require 'gruf/lightstep'

Configuration

You can use the following ENV vars to configure lightstep:

Name Description
LIGHTSTEP_ACCESS_TOKEN LightStep access token, if used in your satellites
LIGHTSTEP_COMPONENT_NAME The name of your service
LIGHTSTEP_HOST The host of your lightstep satellites
LIGHTSTEP_PORT The port of your lightstep satellites

See more configuration here: https://github.com/bigcommerce/bc-lightstep-ruby#environment-config

Server Interceptors

In your gruf initializer:

Gruf.configure do |c|
  c.interceptors.use(Gruf::Lightstep::ServerInterceptor)
end

It comes with a few more options as well:

Option Description Default
allowlist An array of parameter key names to log to lightstep. E.g. [uuid kind] []
ignore_methods An array of method names to ignore from logging. E.g. ['namespace.health.check'] []

It's important to maintain a safe allowlist should you decide to log parameters; gruf does no parameter sanitization on its own. We also recommend do not allowlist parameters that may contain very large values (such as binary or json data).

Client Interceptors

To automatically propagate the trace context outbound, in your Gruf clients, pass the client interceptor to your Gruf::Client initializer:

Gruf::Client.new(
  service: MyService,
  client_options: {
    interceptors: [Gruf::Lightstep::ClientInterceptor.new]
  }
)

License

Copyright (c) 2017-present, BigCommerce Pty. Ltd. All rights reserved

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.