gitlab-ci-python-gcp.yml 2.38 KiB
# =====================================================================================================================
# === GCP Auth template variant (provide ADC authentification)
# === https://cloud.google.com/docs/authentication/application-default-credentials
# =====================================================================================================================
spec:
inputs:
gcp-oidc-aud:
description: The `aud` claim for the JWT token _(only required for [OIDC authentication](https://docs.gitlab.com/ee/ci/cloud_services/google_cloud/)))_
default: $CI_SERVER_URL
gcp-oidc-account:
description: Default Service Account to which impersonate with OpenID Connect authentication
default: ''
gcp-oidc-provider:
description: Default Workload Identity Provider associated with GitLab to [authenticate with OpenID Connect](https://docs.gitlab.com/ee/ci/cloud_services/google_cloud/)
default: ''
---
variables:
GCP_OIDC_AUD: $[[ inputs.gcp-oidc-aud ]]
GCP_OIDC_ACCOUNT: $[[ inputs.gcp-oidc-account ]]
GCP_OIDC_PROVIDER: $[[ inputs.gcp-oidc-provider ]]
.gcp-provider-auth:
before_script:
- echo "Installing GCP authentication with env GOOGLE_APPLICATION_CREDENTIALS file"
- echo $GCP_JWT > "$CI_BUILDS_DIR/.auth_token.jwt"
- |-
cat << EOF > "$CI_BUILDS_DIR/google_application_credentials.json"
{
"type": "external_account",
"audience": "//iam.googleapis.com/${GCP_OIDC_PROVIDER}",
"subject_token_type": "urn:ietf:params:oauth:token-type:jwt",
"token_url": "https://sts.googleapis.com/v1/token",
"credential_source": {
"file": "$CI_BUILDS_DIR/.auth_token.jwt"
},
"service_account_impersonation_url": "https://iamcredentials.googleapis.com/v1/projects/-/serviceAccounts/${GCP_OIDC_ACCOUNT}:generateAccessToken"
}
EOF
- export GOOGLE_APPLICATION_CREDENTIALS="$CI_BUILDS_DIR/google_application_credentials.json"
.python-base:
image: $PYTHON_IMAGE
services:
- name: "$TBC_TRACKING_IMAGE"
command: ["--service", "python", "6.7.0"]
variables:
GCP_JWT: $GCP_JWT
before_script:
- !reference [.gcp-provider-auth, before_script]
- !reference [.python-scripts]
- install_ca_certs "${CUSTOM_CA_CERTS:-$DEFAULT_CA_CERTS}"
- cd ${PYTHON_PROJECT_DIR}
- guess_build_system
id_tokens:
GCP_JWT:
aud: "$GCP_OIDC_AUD"