Created bootstrap logic for vSphere test

Addressed comments about licensing and usless import

Added comments for public function and struct

test/e2e/storage/vsphere/BUILD

@@ -62,6 +62,9 @@ filegroup(
 
 filegroup(
     name = "all-srcs",
-    srcs = [":package-srcs"],
+    srcs = [
+        ":package-srcs",
+        "//test/e2e/storage/vsphere/bootstrap:all-srcs",
+    ],
     tags = ["automanaged"],
 )

test/e2e/storage/vsphere/bootstrap/BUILD

@@ -0,0 +1,25 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "bootstrap.go",
+        "context.go",
+    ],
+    importpath = "k8s.io/kubernetes/test/e2e/storage/vsphere/bootstrap",
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

test/e2e/storage/vsphere/bootstrap/bootstrap.go

@@ -0,0 +1,44 @@
+/*
+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.
+*/
+
+package bootstrap
+
+import (
+	"sync"
+)
+
+var once sync.Once
+var waiting = make(chan bool)
+
+// Bootstrap takes care of initializing necessary test context for vSphere tests
+func Bootstrap() {
+	done := make(chan bool)
+	go func() {
+		once.Do(bootstrapOnce)
+		<-waiting
+		done <- true
+	}()
+	<-done
+}
+
+func bootstrapOnce() {
+	// TBD
+	// 1. Read vSphere conf and get VSphere instances
+	// 2. Get Node to VSphere mapping
+	// 3. Set NodeMapper in vSphere context
+	TestContext = Context{}
+	close(waiting)
+}

test/e2e/storage/vsphere/bootstrap/context.go

@@ -0,0 +1,25 @@
+/*
+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.
+*/
+
+package bootstrap
+
+// Context holds common information for vSphere tests
+type Context struct {
+	// NodeMapper and other instances, common to vSphere tests
+}
+
+// TestContext should be used by all tests to access common context data. It should be initialized only once, during bootstrapping the tests.
+var TestContext Context