Add typecheck-dockerless

Ensure that k8s still passes the typecheck when the `dockerless` tag is
enabled. We perform a similar verify step for `providerless`.

hack/make-rules/verify.sh

@@ -48,6 +48,7 @@ if [[ ${EXCLUDE_TYPECHECK:-} =~ ^[yY]$ ]]; then
   EXCLUDED_PATTERNS+=(
     "verify-typecheck.sh"              # runs in separate typecheck job
     "verify-typecheck-providerless.sh" # runs in separate typecheck job
+    "verify-typecheck-dockerless.sh" # runs in separate typecheck job
     )
 fi
 

hack/verify-typecheck-dockerless.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Copyright 2018 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+
+cd "${KUBE_ROOT}"
+# verify the dockerless build
+hack/verify-typecheck.sh --skip-test --tags=dockerless --ignore-dirs=test