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UPGRADING_DEPENDENCIES.md

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Guide to upgrading dependencies

Upgrading Go or Node.js requires making changes in many different files. See below for a list and explanation for each.

Go

  • Drone
  • grafana/build-container
  • Appveyor
  • Dockerfile

Node.js

  • Drone
  • grafana/build-container
  • Appveyor
  • Dockerfile

Go dependencies

The Grafana project uses Go modules to manage dependencies on external packages. This requires a working Go environment with version 1.11 or greater installed.

Note: Since most developers of Grafana still use the GOPATH we need to specify GO111MODULE=on to make go mod and got get work as intended. If you have setup Grafana outside of the GOPATH on your machine you can skip GO111MODULE=on when running the commands below.

To add or update a new dependency, use the go get command:

# The GO111MODULE variable can be omitted when the code isn't located in GOPATH.
# Pick the latest tagged release.
GO111MODULE=on go get example.com/some/module/pkg

# Pick a specific version.
GO111MODULE=on go get example.com/some/module/[email protected]

Tidy up the go.mod and go.sum files:

# The GO111MODULE variable can be omitted when the code isn't located in GOPATH.
GO111MODULE=on go mod tidy

You have to commit the changes to go.mod and go.sum before submitting the pull request.

Upgrading dependencies

If you need to upgrade a direct or indirect dependency, you can do it like so, $MODULE being the dependency in question: go get -u $MODULE. The corresponding entry in go.mod should then have the version you specified; if it's an indirect dependency, the entry should have the // indirect comment. Follow this by executing go mod tidy, to ensure that go.mod and go.sum are up to date. If the indirect dependency turns out to not be used (transitively) by any of our packages, go mod tidy will actually strip it from go.mod. In that case, you can just ignore it since it isn't used in the end.

Node.js dependencies

Updated using yarn.

  • package.json

Where to make changes

Drone

Our CI builds run on Drone.

Files

  • .circleci/config.yml.

Dependencies

  • nodejs
  • golang
  • grafana/build-container (our custom docker build container)

grafana/build-container

The main build steps (in Drone) happen using a custom Docker image that comes pre-baked with some of the necessary dependencies.

Link: grafana/build-container

Dependencies

  • fpm
  • nodejs
  • golang
  • crosscompiling (several compilers)

Appveyor

Main and release builds trigger test runs on Appveyors build environment so that tests will run on Windows.

Files:

  • appveyor.yml

Dependencies

  • nodejs
  • golang

Dockerfile

There is a Docker build for Grafana in the root of the project that allows anyone to build Grafana just using Docker.

Files

  • Dockerfile

Dependencies

  • nodejs
  • golang

Local developer environments

Please send out a notice in the grafana-dev slack channel when updating Go or Node.js to make it easier for everyone to update their local developer environments.