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Development

Initial Setup

Clone this repository, and run make install-tools

Building

To create a build for your current machine, run make agent

To build for a specific architecture, see the Makefile

To build all targets, run make build-all

Build files will show up in the ./dist directory

Running Tests

Tests can be run with make test.

Running CI checks locally

The CI runs the ci-checks make target, which includes linting, testing, and checking documentation for misspelling. CI also does a build of all targets (make build-all)

Updating to latest OTEL version

Most of the process for updating the OTEL dependency is automated with scripts. If at any point there is a failure, try running make tidy to see if updating the go.mod is able to resolve the issue. The steps are as follows:

  1. Run:

    ./scripts/update-otel.sh {COLLECTOR_VERSION} {CONTRIB_VERSION} {PDATA_VERSION}

    Grab the different versions from OTEL's GitHub by checking the latest release versions of collector-contrib and the collector. They should be the same. The pdata version can be found by checking which version of it is imported in the collector-contrib go.mod file. The specific line with the pdata version should look similar to

    go.opentelemetry.io/collector/pdata v1.0.0 // indirect

  2. Run make tidy

  3. Run:

    ./scripts/update-docs.sh {COLLECTOR_VERSION} {CONTRIB_VERSION}

    These should be the same versions used in the first step.

  4. Update the mdatagen package in the install-tools command in the Makefile to now point to the same version as collector-contrib.

    Specifically, this line is the one to update:

    .PHONY: install-tools
install-tools:
    ...
    go install github.com/open-telemetry/opentelemetry-collector-contrib/cmd/mdatagen@v0.90.1

  5. Run make install-tools

  6. Run make generate

  7. Run make tidy

  8. Run make ci-checks

If all was successful, the repo has had it's OTEL dependencies updated to the latest version.

There is potential for tests to fail, deprecation issues, code changes, or a variety of other problems to arise, but once the above steps are successful the repo can be updated.

Releasing

To release the agent, see releasing documentation.