Use docker to build go binaries

build/cover.sh

@@ -0,0 +1,35 @@
+#!/bin/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
+
+if [ -z "${PKG}" ]; then
+    echo "PKG must be set"
+    exit 1
+fi
+
+rm -rf coverage.txt
+for d in `go list ${PKG}/... | grep -v vendor | grep -v '/test/e2e' | grep -v images`; do
+    t=$(date +%s);
+    go test -coverprofile=cover.out -covermode=atomic $d || exit 1;
+    echo "Coverage test $d took $(($(date +%s)-$t)) seconds";
+    if [ -f cover.out ]; then
+        cat cover.out >> coverage.txt;
+        rm cover.out;
+    fi;
+done