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/pkg/hyperstart/mock/misc.go

@@ -0,0 +1,37 @@
+// Copyright (c) 2016 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 mock
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// GetTmpPath will return a filename suitable for a tempory file according to
+// the format string given in argument. The format string must contain a single
+// %s which will be replaced by a random string. Eg.:
+//
+//   GetTmpPath("test.foo.%s.sock")
+//
+// will return something like:
+//
+//   "/tmp/test.foo.832222621.sock"
+func GetTmpPath(format string) string {
+	filename := fmt.Sprintf(format, nextSuffix())
+	dir := os.TempDir()
+	return filepath.Join(dir, filename)
+
+}