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Contributing

  1. Sign one of the contributor license agreements below.

  2. go get golang.org/x/review/git-codereview to install the code reviewing tool.

    1. You will need to ensure that your GOBIN directory (by default $GOPATH/bin) is in your PATH so that git can find the command.
    2. If you would like, you may want to set up aliases for git-codereview, such that git codereview change becomes git change. See the godoc for details.
    3. Should you run into issues with the git-codereview tool, please note that all error messages will assume that you have set up these aliases.
  3. Get the cloud package by running go get -d cloud.google.com/go.

    1. If you have already checked out the source, make sure that the remote git origin is https://code.googlesource.com/gocloud:

      git remote set-url origin https://code.googlesource.com/gocloud
      
  4. Make sure your auth is configured correctly by visiting https://code.googlesource.com, clicking "Generate Password", and following the directions.

  5. Make changes and create a change by running git codereview change <name>, provide a commit message, and use git codereview mail to create a Gerrit CL.

  6. Keep amending to the change with git codereview change and mail as your receive feedback. Each new mailed amendment will create a new patch set for your change in Gerrit.

Integration Tests

In addition to the unit tests, you may run the integration test suite. These directions describe setting up your environment to run integration tests for all packages: note that many of these instructions may be redundant if you intend only to run integration tests on a single package.

GCP Setup

To run the integrations tests, creation and configuration of two projects in the Google Developers Console is required: one specifically for Firestore integration tests, and another for all other integration tests. We'll refer to these projects as "general project" and "Firestore project".

After creating each project, you must create a service account for each project. Ensure the project-level Owner IAM role role is added to each service account. During the creation of the service account, you should download the JSON credential file for use later.

Next, ensure the following APIs are enabled in the general project:

  • BigQuery API
  • BigQuery Data Transfer API
  • Cloud Dataproc API
  • Cloud Dataproc Control API Private
  • Cloud Datastore API
  • Cloud Firestore API
  • Cloud Key Management Service (KMS) API
  • Cloud Natural Language API
  • Cloud OS Login API
  • Cloud Pub/Sub API
  • Cloud Resource Manager API
  • Cloud Spanner API
  • Cloud Speech API
  • Cloud Translation API
  • Cloud Video Intelligence API
  • Cloud Vision API
  • Compute Engine API
  • Compute Engine Instance Group Manager API
  • Container Registry API
  • Firebase Rules API
  • Google Cloud APIs
  • Google Cloud Deployment Manager V2 API
  • Google Cloud SQL
  • Google Cloud Storage
  • Google Cloud Storage JSON API
  • Google Compute Engine Instance Group Updater API
  • Google Compute Engine Instance Groups API
  • Kubernetes Engine API
  • Stackdriver Error Reporting API

Next, create a Datastore database in the general project, and a Firestore database in the Firestore project.

Finally, in the general project, create an API key for the translate API:

  • Go to GCP Developer Console.
  • Navigate to APIs & Services > Credentials.
  • Click Create Credentials > API Key.
  • Save this key for use in GCLOUD_TESTS_API_KEY as described below.

Local Setup

Once the two projects are created and configured, set the following environment variables:

  • GCLOUD_TESTS_GOLANG_PROJECT_ID: Developers Console project's ID (e.g. bamboo-shift-455) for the general project.
  • GCLOUD_TESTS_GOLANG_KEY: The path to the JSON key file of the general project's service account.
  • GCLOUD_TESTS_GOLANG_FIRESTORE_PROJECT_ID: Developers Console project's ID (e.g. doorway-cliff-677) for the Firestore project.
  • GCLOUD_TESTS_GOLANG_FIRESTORE_KEY: The path to the JSON key file of the Firestore project's service account.
  • GCLOUD_TESTS_GOLANG_KEYRING: The full name of the keyring for the tests, in the form "projects/P/locations/L/keyRings/R". The creation of this is described below.
  • GCLOUD_TESTS_API_KEY: API key for using the Translate API.
  • GCLOUD_TESTS_GOLANG_ZONE: Compute Engine zone.

Install the gcloud command-line tool to your machine and use it to create some resources used in integration tests.

From the project's root directory:

# Sets the default project in your env.
$ gcloud config set project $GCLOUD_TESTS_GOLANG_PROJECT_ID

# Authenticates the gcloud tool with your account.
$ gcloud auth login

# Create the indexes used in the datastore integration tests.
$ gcloud datastore create-indexes datastore/testdata/index.yaml

# Creates a Google Cloud storage bucket with the same name as your test project,
# and with the Stackdriver Logging service account as owner, for the sink
# integration tests in logging.
$ gsutil mb gs://$GCLOUD_TESTS_GOLANG_PROJECT_ID
$ gsutil acl ch -g cloud-logs@google.com:O gs://$GCLOUD_TESTS_GOLANG_PROJECT_ID

# Creates a PubSub topic for integration tests of storage notifications.
$ gcloud beta pubsub topics create go-storage-notification-test
# Next, go to the Pub/Sub dashboard in GCP console. Authorize the user
# "service-<numberic project id>@gs-project-accounts.iam.gserviceaccount.com"
# as a publisher to that topic.

# Creates a Spanner instance for the spanner integration tests.
$ gcloud beta spanner instances create go-integration-test --config regional-us-central1 --nodes 10 --description 'Instance for go client test'
# NOTE: Spanner instances are priced by the node-hour, so you may want to
# delete the instance after testing with 'gcloud beta spanner instances delete'.

$ export MY_KEYRING=some-keyring-name
$ export MY_LOCATION=global
# Creates a KMS keyring, in the same location as the default location for your
# project's buckets.
$ gcloud kms keyrings create $MY_KEYRING --location $MY_LOCATION
# Creates two keys in the keyring, named key1 and key2.
$ gcloud kms keys create key1 --keyring $MY_KEYRING --location $MY_LOCATION --purpose encryption
$ gcloud kms keys create key2 --keyring $MY_KEYRING --location $MY_LOCATION --purpose encryption
# Sets the GCLOUD_TESTS_GOLANG_KEYRING environment variable.
$ export GCLOUD_TESTS_GOLANG_KEYRING=projects/$GCLOUD_TESTS_GOLANG_PROJECT_ID/locations/$MY_LOCATION/keyRings/$MY_KEYRING
# Authorizes Google Cloud Storage to encrypt and decrypt using key1.
gsutil kms authorize -p $GCLOUD_TESTS_GOLANG_PROJECT_ID -k $GCLOUD_TESTS_GOLANG_KEYRING/cryptoKeys/key1

Running

Once you've done the necessary setup, you can run the integration tests by running:

$ go test -v cloud.google.com/go/...

Replay

Some packages can record the RPCs during integration tests to a file for subsequent replay. To record, pass the -record flag to go test. The recording will be saved to the package.replay file. To replay integration tests from a saved recording, the replay file must be present, the -short flag must be passed to go test, and the GCLOUD_TESTS_GOLANG_ENABLE_REPLAY environment variable must have a non-empty value.

Contributor License Agreements

Before we can accept your pull requests you'll need to sign a Contributor License Agreement (CLA):

  • If you are an individual writing original source code and you own the intellectual property, then you'll need to sign an individual CLA.
  • If you work for a company that wants to allow you to contribute your work, then you'll need to sign a corporate CLA.

You can sign these electronically (just scroll to the bottom). After that, we'll be able to accept your pull requests.

Contributor Code of Conduct

As contributors and maintainers of this project, and in the interest of fostering an open and welcoming community, we pledge to respect all people who contribute through reporting issues, posting feature requests, updating documentation, submitting pull requests or patches, and other activities.

We are committed to making participation in this project a harassment-free experience for everyone, regardless of level of experience, gender, gender identity and expression, sexual orientation, disability, personal appearance, body size, race, ethnicity, age, religion, or nationality.

Examples of unacceptable behavior by participants include:

  • The use of sexualized language or imagery
  • Personal attacks
  • Trolling or insulting/derogatory comments
  • Public or private harassment
  • Publishing other's private information, such as physical or electronic addresses, without explicit permission
  • Other unethical or unprofessional conduct.

Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct. By adopting this Code of Conduct, project maintainers commit themselves to fairly and consistently applying these principles to every aspect of managing this project. Project maintainers who do not follow or enforce the Code of Conduct may be permanently removed from the project team.

This code of conduct applies both within project spaces and in public spaces when an individual is representing the project or its community.

Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by opening an issue or contacting one or more of the project maintainers.

This Code of Conduct is adapted from the Contributor Covenant, version 1.2.0, available at http://contributor-covenant.org/version/1/2/0/