| #!/bin/bash |
| # Copyright 2023 The Flutter Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This script is used to pull a docker image's provenance and save it to a file. |
| DOCKER_IMAGE_URL=$1 |
| OUTPUT_DIRECTORY=$2 |
| # Getting the docker image provenance can be flaky, so retry up to 3 times. |
| MAX_ATTEMPTS=3 |
| |
| for attempt in $(seq 1 $MAX_ATTEMPTS) |
| do |
| echo "(Attempt $attempt) Obtaining provenance for $1" |
| gcloud artifacts docker images describe \ |
| $DOCKER_IMAGE_URL --show-provenance --format json > $OUTPUT_DIRECTORY |
| COMMAND_RESULT=$? |
| if [[ $COMMAND_RESULT -eq 0 ]] |
| then |
| echo "Successfully obtained provenance and saved to $2" |
| break |
| else |
| echo "Failed to obtain provenance." |
| sleep 30 |
| fi |
| done |
| |
| if [[ $COMMAND_RESULT -ne 0 ]] |
| then |
| echo "Failed to download provenance." && exit $COMMAND_RESULT |
| fi |
