# It returns 1 if it is not present
function check_default_cluster_yaml() {
  if [[ -z "${DEFAULT_CLUSTER_YAML:-}" ]]; then
    echo 'DEFAULT_CLUSTER_YAML file must be specified. Exiting...'
    return 1
  fi
}

function setup_kind_cluster_retry() {
  retry setup_kind_cluster "$@"
}

    echo "Downloading ${SIDECAR}: $1 to $2"
    time ${DOWNLOAD_COMMAND} --header "${AUTH_HEADER:-}" "$1" |\
      tar --extract --gzip --strip-components=3 --to-stdout > "$2"
    chmod +x "$2"

    # Make a copy named just "envoy" in the same directory (overwrite if necessary).
    echo "Copying $2 to $(dirname "$2")/${3}"
    cp -f "$2" "$(dirname "$2")/${3}"
    popd
  fi
}

mkdir -p "${TARGET_OUT}"

  pushd "$(dirname "$2")"

  # Download and make the binary executable
  echo "Downloading ztunnel: $1 to $2"
  time ${DOWNLOAD_COMMAND} --header "${AUTH_HEADER:-}" "$1" > "$2"
  chmod +x "$2"

  # Make a copy named just "ztunnel" in the same directory (overwrite if necessary).
  echo "Copying $2 to $(dirname "$2")/${3}"
  cp -f "$2" "$(dirname "$2")/${3}"
  popd

  # Also copy it to out/$os_arch/ztunnel as that's whats used in the build

}

# Usage: tracing::run <span name> [command ...]
function tracing::run() {
  # If not running in a prow job or otel-cli is not available (e.g. build system without otel-cli) just run the command
  if [ -z "${JOB_NAME:-}" ] || ! command -v otel-cli &> /dev/null
  then
    "${@:2}"
    return "$?"
  fi

  # Disable execution tracing to avoid noise