github.com/opencontainers/runtime-tools@v0.9.0/validation/delete_resources/delete_resources.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"path/filepath"
     7  	"time"
     8  
     9  	tap "github.com/mndrix/tap-go"
    10  	"github.com/mrunalp/fileutils"
    11  	rspec "github.com/opencontainers/runtime-spec/specs-go"
    12  	"github.com/opencontainers/runtime-tools/cgroups"
    13  	"github.com/opencontainers/runtime-tools/specerror"
    14  	"github.com/opencontainers/runtime-tools/validation/util"
    15  	uuid "github.com/satori/go.uuid"
    16  )
    17  
    18  func main() {
    19  	t := tap.New()
    20  	t.Header(0)
    21  
    22  	bundleDir, err := util.PrepareBundle()
    23  	if err != nil {
    24  		util.Fatal(err)
    25  	}
    26  	defer os.RemoveAll(bundleDir)
    27  
    28  	r, err := util.NewRuntime(util.RuntimeCommand, bundleDir)
    29  	if err != nil {
    30  		util.Fatal(err)
    31  	}
    32  
    33  	r.SetID(uuid.NewV4().String())
    34  	g, err := util.GetDefaultGenerator()
    35  	if err != nil {
    36  		util.Fatal(err)
    37  	}
    38  
    39  	var limit int64 = 1000
    40  
    41  	g.SetLinuxCgroupsPath(cgroups.AbsCgroupPath)
    42  	g.SetLinuxResourcesPidsLimit(limit)
    43  
    44  	err = r.SetConfig(g)
    45  	if err != nil {
    46  		util.Fatal(err)
    47  	}
    48  	err = fileutils.CopyFile("runtimetest", filepath.Join(r.BundleDir, "runtimetest"))
    49  	if err != nil {
    50  		util.Fatal(err)
    51  	}
    52  
    53  	err = r.Create()
    54  	if err != nil {
    55  		util.Fatal(err)
    56  	}
    57  
    58  	state, err := r.State()
    59  	if err != nil {
    60  		util.Fatal(err)
    61  	}
    62  	if err := util.ValidateLinuxResourcesPids(g.Spec(), t, &state); err != nil {
    63  		util.Fatal(err)
    64  	}
    65  
    66  	err = r.Start()
    67  	if err != nil {
    68  		util.Fatal(err)
    69  	}
    70  
    71  	err = util.WaitingForStatus(r, util.LifecycleStatusStopped, time.Second*10, time.Second*1)
    72  	if err == nil {
    73  		err = r.Delete()
    74  	}
    75  	if err != nil {
    76  		t.Fail(err.Error())
    77  	}
    78  
    79  	path := filepath.Join("/sys/fs/cgroup/pids", cgroups.AbsCgroupPath)
    80  	_, err = os.Stat(path)
    81  	util.SpecErrorOK(t, os.IsNotExist(err), specerror.NewError(specerror.DeleteResImplement, fmt.Errorf("Deleting a container MUST delete the resources that were created during the `create` step"), rspec.Version), nil)
    82  
    83  	t.AutoPlan()
    84  }