github.com/rkt/rkt@v1.30.1-0.20200224141603-171c416fac02/tests/rkt_rm_nspawn_test.go (about)

     1  // Copyright 2016 The rkt Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build host coreos src
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  	"testing"
    23  
    24  	"github.com/rkt/rkt/tests/testutils"
    25  )
    26  
    27  func TestRmCgroup(t *testing.T) {
    28  	ctx := testutils.NewRktRunCtx()
    29  	defer ctx.Cleanup()
    30  
    31  	imagePath := getInspectImagePath()
    32  	cmd := fmt.Sprintf("%s --insecure-options=image prepare %s", ctx.Cmd(), imagePath)
    33  	uuid := runRktAndGetUUID(t, cmd)
    34  	shortUUID := strings.Split(uuid, "-")[0]
    35  
    36  	cmd = fmt.Sprintf("%s run-prepared %s", ctx.Cmd(), shortUUID)
    37  	runRktAndCheckOutput(t, cmd, "", false)
    38  
    39  	cgs, err := getPodCgroups(shortUUID)
    40  	if err != nil {
    41  		t.Fatalf("error getting pod cgroups: %v", err)
    42  	}
    43  	if len(cgs) == 0 {
    44  		t.Fatalf("expected pod cgroup directories after run, but found none")
    45  	}
    46  
    47  	rmCmd := fmt.Sprintf("%s rm %s", ctx.Cmd(), shortUUID)
    48  	spawnAndWaitOrFail(t, rmCmd, 0)
    49  
    50  	cgs, err = getPodCgroups(shortUUID)
    51  	if err != nil {
    52  		t.Fatalf("error getting pod cgroups: %v", err)
    53  	}
    54  	if len(cgs) > 0 {
    55  		t.Fatalf(fmt.Sprintf("expected no pod cgroup directories after GC, but found %d: %v", len(cgs), cgs))
    56  	}
    57  }