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About the developer

chanzuckerberg
149 Stars 90 Forks MIT License 374 Commits 58 Opened issues

Description

Terraform provider for managing Snowflake accounts

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Terraform Provider: Snowflake

Please note: If you believe you have found a security issue, please responsibly disclose by contacting us at [email protected].


.github/workflows/ci.yml

This is a terraform provider plugin for managing Snowflake accounts.

Getting Help

If you need help, try the discussions area of this repo.

Install

The easiest way is to run this command:

curl https://raw.githubusercontent.com/chanzuckerberg/terraform-provider-snowflake/main/download.sh | bash -s -- -b $HOME/.terraform.d/plugins

Note that this will only work with recent releases, for older releases, use the version of download.sh that corresponds to that release (replace main in that curl with the version).

It runs a script generated by godownloader which installs into the proper directory for terraform (~/.terraform.d/plugins).

You can also just download a binary from our releases and follow the Terraform directions for installing 3rd party plugins.

For Terraform v0.13+ users

You can use Explicit Provider Source Locations.

The following maybe work well.

terraform {
  required_providers {
    snowflake = {
      source = "chanzuckerberg/snowflake"
      version = "0.20.0"
    }
  }
}

TODO fogg config

Usage

In-depth docs are available on the Terraform registry.

Development

If you do not have Go installed:

  1. Install Go
    brew install golang
  2. Make a Go development directory wherever you like
    mkdir go_projects
  3. Add the following config to your profile
    export GOPATH=$HOME/../go_projects # edit with your go_projects dir
    export PATH=$PATH:$GOPATH/bin
    
  4. Fork this repo and clone it into
    go_projects
  5. cd to
    terraform-provider-snowflake
    and install all the required packages with
    make setup
  6. Finally install goimports with
    (cd && go get golang.org/x/tools/cmd/goimports)
    .
  7. You should now be able to successfully run the tests with
    make test

It has not been tested on Windows, so if you find problems let us know.

If you want to build and test the provider locally there is a make target

make install-tf
that will build the provider binary and install it in a location that terraform can find.

Testing

Note: PRs for new resources will not be accepted without passing acceptance tests.

For the Terraform resources, there are 3 levels of testing - internal, unit and acceptance tests.

The 'internal' tests are run in the

github.com/chanzuckerberg/terraform-provider-snowflake/pkg/resources
package so that they can test functions that are not exported. These tests are intended to be limited to unit tests for simple functions.

The 'unit' tests are run in

github.com/chanzuckerberg/terraform-provider-snowflake/pkg/resources_test
, so they only have access to the exported methods of
resources
. These tests exercise the CRUD methods that on the terraform resources. Note that all tests here make use of database mocking and are run locally. This means the tests are fast, but are liable to be wrong in subtle ways (since the mocks are unlikely to be perfect).

You can run these first two sets of tests with

make test
.

The 'acceptance' tests run the full stack, creating, modifying and destroying resources in a live snowflake account. To run them you need a snowflake account and the proper authentication set up. These tests are slower but have higher fidelity.

To run all tests, including the acceptance tests, run

make test-acceptance
.

We also run all tests in our Travis-CI account.

Pull Request CI

Our CI jobs run the full acceptence test suite, which involves creating and destroying resources in a live snowflake account. Travis-CI is configured with environment variables to authenticate to our test snowflake account. For security reasons, those variables are not available to forks of this repo.

If you are making a PR from a forked repo, you can create a new Snowflake trial account and set up Travis to build it by setting these environement variables:

  • SNOWFLAKE_ACCOUNT
    - The account name
  • SNOWFLAKE_USER
    - A snowflake user for running tests.
  • SNOWFLAKE_PASSWORD
    - Password for that user.
  • SNOWFLAKE_ROLE
    - Needs to be ACCOUNTADMIN or similar.
  • SNOWFLAKE_REGION
    - Default is us-west-2, set this if your snowflake account is in a different region.

If you are using the Standard Snowflake plan, it's recommended you also set up the following environment variables to skip tests for features not enabled for it:

  • SKIP_DATABASE_TESTS
    - to skip tests with retention time larger than 1 day
  • SKIP_WAREHOUSE_TESTS
    - to skip tests with multi warehouses

Releasing

Note: Currently only @ryanking and @edulop91 have keys that are whitelisted in the terraform registry, so only they can do releases.

Releases are done by goreleaser and run by our make files. There two goreleaser configs,

.goreleaser.yml
for regular releases and
.goreleaser.prerelease.yml
for doing prereleases (for testing).

As of recently releases are also published to the terraform registry. That publishing requires that releases by signed. We do that signing via goreleaser using individual keybase keys. They key you want to use to sign must be passed in with the

KEYBASE_KEY_ID
environment variable.

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