vc: remove spawner

Dead code that is never used.

Fixes: #1510

Signed-off-by: Peng Tao <bergwolf@hyper.sh>

virtcontainers/spawner.go

@@ -1,54 +0,0 @@
-// Copyright (c) 2016 Intel Corporation
-//
-// SPDX-License-Identifier: Apache-2.0
-//
-
-package virtcontainers
-
-import (
-	"fmt"
-)
-
-// SpawnerType describes the type of guest agent a Sandbox should run.
-type SpawnerType string
-
-const (
-	// NsEnter is the nsenter spawner type
-	NsEnter SpawnerType = "nsenter"
-)
-
-// Set sets an agent type based on the input string.
-func (spawnerType *SpawnerType) Set(value string) error {
-	switch value {
-	case "nsenter":
-		*spawnerType = NsEnter
-		return nil
-	default:
-		return fmt.Errorf("Unknown spawner type %s", value)
-	}
-}
-
-// String converts an agent type to a string.
-func (spawnerType *SpawnerType) String() string {
-	switch *spawnerType {
-	case NsEnter:
-		return string(NsEnter)
-	default:
-		return ""
-	}
-}
-
-// newSpawner returns an agent from and agent type.
-func newSpawner(spawnerType SpawnerType) spawner {
-	switch spawnerType {
-	case NsEnter:
-		return &nsenter{}
-	default:
-		return nil
-	}
-}
-
-// spawner is the virtcontainers spawner interface.
-type spawner interface {
-	formatArgs(args []string) ([]string, error)
-}

virtcontainers/spawner_test.go

@@ -1,86 +0,0 @@
-// Copyright (c) 2016 Intel Corporation
-//
-// SPDX-License-Identifier: Apache-2.0
-//
-
-package virtcontainers
-
-import (
-	"reflect"
-	"testing"
-)
-
-var testSpawnerTypeList = []SpawnerType{
-	NsEnter,
-}
-
-func TestSpawnerTypeSet(t *testing.T) {
-	var s SpawnerType
-	var err error
-
-	for _, sType := range testSpawnerTypeList {
-		err = (&s).Set(string(sType))
-		if err != nil {
-			t.Fatal(err)
-		}
-
-		if s != sType {
-			t.Fatal()
-		}
-	}
-}
-
-func TestWrongSpawnerTypeSet(t *testing.T) {
-	var s SpawnerType
-
-	err := (&s).Set("noType")
-	if err == nil || s != "" {
-		t.Fatal()
-	}
-}
-
-func TestSpawnerTypeString(t *testing.T) {
-	for _, sType := range testSpawnerTypeList {
-		s := sType
-
-		result := (&s).String()
-		if result != string(NsEnter) {
-			t.Fatal()
-		}
-	}
-}
-
-func TestWrongSpawnerTypeString(t *testing.T) {
-	var s = SpawnerType("noType")
-
-	result := (&s).String()
-	if result != "" {
-		t.Fatal()
-	}
-}
-
-func testSpawnerNewSpawner(t *testing.T, sType SpawnerType, expected interface{}) {
-	spawner := newSpawner(sType)
-
-	if spawner == nil {
-		t.Fatal()
-	}
-
-	if reflect.DeepEqual(spawner, expected) == false {
-		t.Fatal()
-	}
-}
-
-func TestSpawnerNsEnterNewSpawner(t *testing.T) {
-	expectedOut := &nsenter{}
-
-	testSpawnerNewSpawner(t, NsEnter, expectedOut)
-}
-
-func TestWrongSpawnerNewSpawner(t *testing.T) {
-	spawner := newSpawner(SpawnerType("noType"))
-
-	if spawner != nil {
-		t.Fatal()
-	}
-}