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README.md
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@ -227,8 +227,9 @@ You can authenticate with workload identity federation or a service account.
#### Workload identity federation
Your service account must have permission to push to GAR. Use the
`google-github-actions/auth` action to authenticate using workload identity as
Configure [Direct Workload Identity Federation](https://github.com/google-github-actions/auth/blob/v2.1.10/README.md#preferred-direct-workload-identity-federation) for GitHub Actions in Google Cloud and avoid long-lived GCP credentials.
Make sure to grant the [principal identity](https://cloud.google.com/iam/docs/workload-identity-federation#principal-types) enough permissions to the GAR repository (E.g.: `roles/artifactregistry.writer`).
Use the `google-github-actions/auth@v2` action to authenticate using workload identity as
shown in the following example:
```yaml
@ -238,6 +239,11 @@ on:
push:
branches: main
env:
GCP_PROJECT: ${{ secrets.GCP_PROJECT }}
WORKLOAD_IDENTITY_PROVIDER: ${{ secrets.WORKLOAD_IDENTITY_PROVIDER }}
REGISTRY_URL: ${{ secrets.REGISTRY_URL }}
jobs:
login:
runs-on: ubuntu-latest
@ -245,28 +251,23 @@ jobs:
-
name: Authenticate to Google Cloud
id: auth
uses: google-github-actions/auth@v1
uses: google-github-actions/auth@v2
with:
token_format: access_token
workload_identity_provider: <workload_identity_provider>
service_account: <service_account>
project_id: ${{ env.GCP_PROJECT }}
workload_identity_provider: ${{ env.WORKLOAD_IDENTITY_PROVIDER }}
-
name: Login to GAR
name: Login to Google Artifact Registry
uses: docker/login-action@v3
with:
registry: <location>-docker.pkg.dev
registry: ${{ env.REGISTRY_URL}}
username: oauth2accesstoken
password: ${{ steps.auth.outputs.access_token }}
password: ${{ steps.auth.outputs.auth_token }}
```
> Replace `<workload_identity_provider>` with configured workload identity
> provider
> Set `WORKLOAD_IDENTITY_PROVIDER` to the configured workload identity provider. For steps to configure, [see here](https://github.com/google-github-actions/auth/blob/v2.1.10/README.md#inputs).
> Replace `<service_account>` with configured service account in workload
> identity provider which has access to push to GCR
> Replace `<location>` with the regional or multi-regional [location](https://cloud.google.com/artifact-registry/docs/repo-organize#locations)
> of the repository where the image is stored.
> Set `REGISTRY_URL` to the regional or multi-regional [repository URL](https://cloud.google.com/artifact-registry/docs/repo-organize#locations).
#### Service account based authentication