validation: Implement ConfigUpdatesWithoutAffect

Signed-off-by: Zhou Hao <zhouhao@cn.fujitsu.com>

validation/config_updates_without_affect.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	tap "github.com/mndrix/tap-go"
+	"github.com/mrunalp/fileutils"
+	rspec "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/opencontainers/runtime-tools/generate"
+	"github.com/opencontainers/runtime-tools/specerror"
+	"github.com/opencontainers/runtime-tools/validation/util"
+	uuid "github.com/satori/go.uuid"
+)
+
+func main() {
+	t := tap.New()
+	t.Header(0)
+
+	bundleDir, err := util.PrepareBundle()
+	if err != nil {
+		util.Fatal(err)
+	}
+	defer os.RemoveAll(bundleDir)
+
+	r, err := util.NewRuntime(util.RuntimeCommand, bundleDir)
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	testPath := filepath.Join("/", "test", "config.json")
+	r.SetID(uuid.NewV4().String())
+	// generate a config has all the testing properties
+	g := util.GetDefaultGenerator()
+	g.SetProcessArgs([]string{"/runtimetest", "--path=" + testPath})
+	g.AddLinuxMaskedPaths("/proc/kcore")
+	g.AddLinuxReadonlyPaths("/proc/fs")
+	g.AddLinuxSysctl("net.ipv4.ip_forward", "1")
+	g.SetProcessOOMScoreAdj(100)
+	g.AddProcessRlimits("RLIMIT_NOFILE", 1024, 1024)
+	g.SetLinuxRootPropagation("shared")
+
+	err = r.SetConfig(g)
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	err = g.SaveToFile(testPath, generate.ExportOptions{})
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	err = fileutils.CopyFile("runtimetest", filepath.Join(r.BundleDir, "runtimetest"))
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	err = r.Create()
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	spec := &rspec.Spec{
+		Version: "1.0.0",
+	}
+	g.SetSpec(spec)
+	err = r.SetConfig(g)
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	err = r.Start()
+	util.SpecErrorOK(t, err == nil, specerror.NewError(specerror.ConfigUpdatesWithoutAffect, fmt.Errorf("Any updates to config.json after this step MUST NOT affect the container"), rspec.Version), nil)
+
+	err = util.WaitingForStatus(r, util.LifecycleStatusStopped, time.Second*10, time.Second*1)
+	if err == nil {
+		err = r.Delete()
+	}
+	if err != nil {
+		util.Fatal(err)
+	}
+
+	t.AutoPlan()
+}