Merge pull request Kaggle#1162 from Kaggle/djherbis-patch-1

Hide sensitive output in jenkins

Jenkinsfile

@@ -180,10 +180,13 @@ pipeline {
  # Login to docker to get access to gcr.io/cloud-tpu-v2-images/libtpu
  # SA: [email protected]
  # To grant access to a SA, start a TPU VM with that SA once.
+ # Disable echo to avoid printing sensitive tokens:
+ set +x
  METADATA=http:https://metadata.google.internal/computeMetadata/v1
  SVC_ACCT=$METADATA/instance/service-accounts/default
  ACCESS_TOKEN=$(/usr/bin/curl -s -H 'Metadata-Flavor: Google' $SVC_ACCT/token | cut -d'"' -f 4)
  docker login --username oauth2accesstoken --password $ACCESS_TOKEN https://gcr.io
+ set -x
 
  ./tpu/build | ts
  ./push --tpu ${PRETEST_TAG}