--version "${GRAFANA_VERSION}" \
    --repo https://grafana.github.io/helm-charts \
    -f "${WD}/values-grafana.yaml"

  # Set up grafana dashboards. Split into 2 and compress to single line json to avoid Kubernetes size limits
  compressDashboard "pilot-dashboard.json"
  compressDashboard "istio-performance-dashboard.json"
  compressDashboard "istio-workload-dashboard.json"
  compressDashboard "istio-service-dashboard.json"

# See the License for the specific language governing permissions and
# limitations under the License.

set -e
set -x

# The purpose of this file is to unify prow/lib.sh in both istio and istio.io
# repos to avoid code duplication.

####################################################################
#################   COMMON SECTION   ###############################
####################################################################

  echo "Copying '${2}' to ${TARGET_OUT_LINUX}/ztunnel"
  cp -f "${2}" "${TARGET_OUT_LINUX}/ztunnel"
}

function maybe_build_ztunnel() {
  # TODO detect git changes or something to avoid unnecessarily building
  # BUILD_ZTUNNEL=1 with no BUILD_ZTUNNEL_REPO tries to infer BUILD_ZTUNNEL_REPO
  if [[ "${BUILD_ZTUNNEL_REPO:-}" == "" ]] && [[ "${BUILD_ZTUNNEL:-}" != "" ]]; then
    local ZTUNNEL_DIR

  then
    "${@:2}"
    return "$?"
  fi

  # Disable execution tracing to avoid noise
  { [[ $- = *x* ]] && was_execution_trace=1 || was_execution_trace=0; } 2>/dev/null
  { set +x; } 2>/dev/null
  # Throughout, "local" usage is critical to avoid nested calls overwriting things
  local start
  start="$(date -u +%s.%N)"