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Improve docker entrypoint #624

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merged 1 commit into from
Dec 11, 2019
Merged

Improve docker entrypoint #624

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17 changes: 13 additions & 4 deletions docker/build-tools/prow-entrypoint.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -17,30 +17,39 @@
set -x

# Start docker daemon and wait for dockerd to start
daemon -U -- dockerd
service docker start

echo "Waiting for dockerd to start..."
while :
do
echo "Checking for running docker daemon."
if [[ $(docker info > /dev/null 2>&1) -eq 0 ]]; then
if docker ps -q > /dev/null 2>&1; then
echo "The docker daemon is running."
break
fi
sleep 1
done

function cleanup() {
# Cleanup all docker artifacts
docker system prune -af || true
}

trap cleanup EXIT

# Authenticate gcloud, allow failures
if [[ -n "${GOOGLE_APPLICATION_CREDENTIALS:-}" ]]; then
# Jobs that need this will fail later and jobs that don't should fail because of this
gcloud auth activate-service-account --key-file="${GOOGLE_APPLICATION_CREDENTIALS}" || true
gcloud auth configure-docker -q || true
fi

set +x
"$@"
EXIT_VALUE=$?
set -x

# Cleanup all docker artifacts
docker ps -aq | xargs -r docker rm -f || true
# We cleanup in the trap as well, but just in case try to clean up here as well
docker system prune -af || true

exit "${EXIT_VALUE}"