Update testgrid config with Go instead of bazel

Author: chaodaiG

testgrid/config-upload.sh

@@ -17,17 +17,17 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-TESTINFRA_ROOT=$(git rev-parse --show-toplevel)
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+cd "${REPO_ROOT}"
 
 for output in gs://k8s-testgrid-canary/configs/k8s/config gs://k8s-testgrid/configs/k8s/config; do
-  dir="$(dirname "${BASH_SOURCE}")"
   (
     set -o xtrace
-    bazel run //testgrid/cmd/configurator -- \
-      --yaml="${TESTINFRA_ROOT}/config/testgrids" \
-      --default="${TESTINFRA_ROOT}/config/testgrids/default.yaml" \
-      --prow-config="${TESTINFRA_ROOT}/config/prow/config.yaml" \
-      --prow-job-config="${TESTINFRA_ROOT}/config/jobs/" \
+    go run ./testgrid/cmd/configurator \
+      --yaml="${REPO_ROOT}/config/testgrids" \
+      --default="${REPO_ROOT}/config/testgrids/default.yaml" \
+      --prow-config="${REPO_ROOT}/config/prow/config.yaml" \
+      --prow-job-config="${REPO_ROOT}/config/jobs/" \
       --output="${output}" \
       --prowjob-url-prefix="https://git.k8s.io/test-infra/config/jobs/" \
       --update-description \