github.com/containerd/nerdctl@v1.7.7/cmd/nerdctl/system_prune_linux_test.go (about)

     1  /*
     2     Copyright The containerd Authors.
     3  
     4     Licensed under the Apache License, Version 2.0 (the "License");
     5     you may not use this file except in compliance with the License.
     6     You may obtain a copy of the License at
     7  
     8         http://www.apache.org/licenses/LICENSE-2.0
     9  
    10     Unless required by applicable law or agreed to in writing, software
    11     distributed under the License is distributed on an "AS IS" BASIS,
    12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13     See the License for the specific language governing permissions and
    14     limitations under the License.
    15  */
    16  
    17  package main
    18  
    19  import (
    20  	"bytes"
    21  	"fmt"
    22  	"io"
    23  	"os"
    24  	"os/exec"
    25  	"strings"
    26  	"testing"
    27  
    28  	"github.com/containerd/log"
    29  	"github.com/containerd/nerdctl/pkg/buildkitutil"
    30  	"github.com/containerd/nerdctl/pkg/testutil"
    31  )
    32  
    33  func TestSystemPrune(t *testing.T) {
    34  	testutil.RequiresBuild(t)
    35  	base := testutil.NewBase(t)
    36  	base.Cmd("container", "prune", "-f").AssertOK()
    37  	base.Cmd("network", "prune", "-f").AssertOK()
    38  	base.Cmd("volume", "prune", "-f").AssertOK()
    39  	base.Cmd("image", "prune", "-f", "--all").AssertOK()
    40  
    41  	nID := testutil.Identifier(t)
    42  	base.Cmd("network", "create", nID).AssertOK()
    43  	defer base.Cmd("network", "rm", nID).Run()
    44  
    45  	vID := testutil.Identifier(t)
    46  	base.Cmd("volume", "create", vID).AssertOK()
    47  	defer base.Cmd("volume", "rm", vID).Run()
    48  
    49  	vID2 := base.Cmd("volume", "create").Out()
    50  	defer base.Cmd("volume", "rm", vID2).Run()
    51  
    52  	tID := testutil.Identifier(t)
    53  	base.Cmd("run", "-v", fmt.Sprintf("%s:/volume", vID), "--net", nID,
    54  		"--name", tID, testutil.CommonImage).AssertOK()
    55  	defer base.Cmd("rm", "-f", tID).Run()
    56  
    57  	base.Cmd("ps", "-a").AssertOutContains(tID)
    58  	base.Cmd("images").AssertOutContains(testutil.ImageRepo(testutil.CommonImage))
    59  
    60  	base.Cmd("system", "prune", "-f", "--volumes", "--all").AssertOK()
    61  	base.Cmd("volume", "ls").AssertOutContains(vID) // docker system prune --all --volume does not prune named volume
    62  	base.Cmd("volume", "ls").AssertNoOut(vID2)      // docker system prune --all --volume prune anonymous volume
    63  	base.Cmd("ps", "-a").AssertNoOut(tID)
    64  	base.Cmd("network", "ls").AssertNoOut(nID)
    65  	base.Cmd("images").AssertNoOut(testutil.ImageRepo(testutil.CommonImage))
    66  
    67  	if testutil.GetTarget() != testutil.Nerdctl {
    68  		t.Skip("test skipped for buildkitd is not available with docker-compatible tests")
    69  	}
    70  
    71  	buildctlBinary, err := buildkitutil.BuildctlBinary()
    72  	if err != nil {
    73  		t.Fatal(err)
    74  	}
    75  	host, err := buildkitutil.GetBuildkitHost(testutil.Namespace)
    76  	if err != nil {
    77  		t.Fatal(err)
    78  	}
    79  
    80  	buildctlArgs := buildkitutil.BuildctlBaseArgs(host)
    81  	buildctlArgs = append(buildctlArgs, "du")
    82  	log.L.Debugf("running %s %v", buildctlBinary, buildctlArgs)
    83  	buildctlCmd := exec.Command(buildctlBinary, buildctlArgs...)
    84  	buildctlCmd.Env = os.Environ()
    85  	stdout := bytes.NewBuffer(nil)
    86  	buildctlCmd.Stdout = stdout
    87  	if err := buildctlCmd.Run(); err != nil {
    88  		t.Fatal(err)
    89  	}
    90  	readAll, err := io.ReadAll(stdout)
    91  	if err != nil {
    92  		t.Fatal(err)
    93  	}
    94  	if !strings.Contains(string(readAll), "Total:\t\t0B") {
    95  		t.Errorf("buildkit cache is not pruned: %s", string(readAll))
    96  	}
    97  }