virtcontainers: Initial import

This is a virtcontainers 1.0.8 import into Kata Containers runtime.

virtcontainers is a Go library designed to manage hardware virtualized
pods and containers. It is the core Clear Containers framework and will
become the core Kata Containers framework, as discussed at
https://github.com/kata-containers/runtime/issues/33

Some more more pointers:

virtcontainers README, including some design and architecure notes:
https://github.com/containers/virtcontainers/blob/master/README.md

virtcontainers 1.0 API:
https://github.com/containers/virtcontainers/blob/master/documentation/api/1.0/api.md

Fixes #40

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

virtcontainers/capabilities_test.go

@@ -0,0 +1,47 @@
+//
+// Copyright (c) 2017 Intel Corporation
+//
+// 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 virtcontainers
+
+import "testing"
+
+func TestBlockDeviceCapability(t *testing.T) {
+	var caps capabilities
+
+	if caps.isBlockDeviceSupported() {
+		t.Fatal()
+	}
+
+	caps.setBlockDeviceSupport()
+
+	if !caps.isBlockDeviceSupported() {
+		t.Fatal()
+	}
+}
+
+func TestBlockDeviceHotplugCapability(t *testing.T) {
+	var caps capabilities
+
+	if caps.isBlockDeviceHotplugSupported() {
+		t.Fatal()
+	}
+
+	caps.setBlockDeviceHotplugSupport()
+
+	if !caps.isBlockDeviceHotplugSupported() {
+		t.Fatal()
+	}
+}