Merge pull request #1825 from MaxRenaud/credsstore

Modify kind-gcr.sh to prevent the use of credsStore

site/static/examples/kind-gcr.sh

@@ -10,6 +10,16 @@ DOCKER_CONFIG=$(mktemp -d)
 export DOCKER_CONFIG
 trap 'echo "Removing ${DOCKER_CONFIG}/*" && rm -rf ${DOCKER_CONFIG:?}' EXIT
 
+echo "Creating a temporary config.json"
+# This is to force the omission of credsStore, which is automatically
+# created on supported system. With credsStore missing, "docker login"
+# will store the password in the config.json file.
+# https://docs.docker.com/engine/reference/commandline/login/#credentials-store
+cat <<EOF >"${DOCKER_CONFIG}/config.json"
+{
+ "auths": { "gcr.io": {} }
+}
+EOF
 # login to gcr in DOCKER_CONFIG using an access token
 # https://cloud.google.com/container-registry/docs/advanced-authentication#access_token
 echo "Logging in to GCR in temporary docker client config directory ..."
@@ -27,4 +37,4 @@ for node in $(kind get nodes --name "${KIND_CLUSTER_NAME}"); do
   docker exec "${node_name}" systemctl restart kubelet.service
 done
 
-echo "Done!"
+echo "Done!"