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Signed-off-by: Ye Sijun <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| Copyright The containerd Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/sirupsen/logrus" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| func newSystemPruneCommand() *cobra.Command { | ||
| systemPruneCommand := &cobra.Command{ | ||
| Use: "prune [flags]", | ||
| Short: "Remove unused data", | ||
| Args: cobra.NoArgs, | ||
| RunE: systemPruneAction, | ||
| SilenceUsage: true, | ||
| SilenceErrors: true, | ||
| } | ||
| systemPruneCommand.Flags().BoolP("all", "a", false, "Remove all unused images, not just dangling ones") | ||
| systemPruneCommand.Flags().BoolP("force", "f", false, "Do not prompt for confirmation") | ||
| systemPruneCommand.Flags().Bool("volumes", false, "Prune volumes") | ||
| return systemPruneCommand | ||
| } | ||
|
|
||
| func systemPruneAction(cmd *cobra.Command, args []string) error { | ||
| all, err := cmd.Flags().GetBool("all") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if !all { | ||
| logrus.Warn("Currently, `nerdctl system prune` requires --all to be specified. Skip pruning.") | ||
| // NOP | ||
| return nil | ||
| } | ||
|
|
||
| vFlag, err := cmd.Flags().GetBool("volumes") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| force, err := cmd.Flags().GetBool("force") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if !force { | ||
| var confirm string | ||
| msg := `This will remove: | ||
| - all stopped containers | ||
| - all networks not used by at least one container` | ||
| if vFlag { | ||
| msg += ` | ||
| - all volumes not used by at least one container` | ||
| } | ||
| msg += ` | ||
| - all images without at least one container associated to them | ||
| ` | ||
| msg += "\nAre you sure you want to continue? [y/N] " | ||
| fmt.Fprintf(cmd.OutOrStdout(), "WARNING! %s", msg) | ||
| fmt.Fscanf(cmd.InOrStdin(), "%s", &confirm) | ||
|
|
||
| if strings.ToLower(confirm) != "y" { | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| client, ctx, cancel, err := newClient(cmd) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer cancel() | ||
|
|
||
| if err := containerPrune(cmd, client, ctx); err != nil { | ||
| return err | ||
| } | ||
| if err := networkPrune(cmd, client, ctx); err != nil { | ||
| return err | ||
| } | ||
| if vFlag { | ||
| if err := volumePrune(cmd, client, ctx); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return imagePrune(cmd, client, ctx) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| Copyright The containerd Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/containerd/nerdctl/pkg/testutil" | ||
| ) | ||
|
|
||
| func TestSystemPrune(t *testing.T) { | ||
| base := testutil.NewBase(t) | ||
| base.Cmd("container", "prune", "-f").AssertOK() | ||
| base.Cmd("network", "prune", "-f").AssertOK() | ||
| base.Cmd("volume", "prune", "-f").AssertOK() | ||
| base.Cmd("image", "prune", "-f", "--all").AssertOK() | ||
|
|
||
| nID := testutil.Identifier(t) | ||
| base.Cmd("network", "create", nID).AssertOK() | ||
| defer base.Cmd("network", "rm", nID).Run() | ||
|
|
||
| vID := testutil.Identifier(t) | ||
| base.Cmd("volume", "create", vID).AssertOK() | ||
| defer base.Cmd("volume", "rm", vID).Run() | ||
|
|
||
| tID := testutil.Identifier(t) | ||
| base.Cmd("run", "-v", fmt.Sprintf("%s:/volume", vID), "--net", nID, | ||
| "--name", tID, testutil.CommonImage).AssertOK() | ||
| defer base.Cmd("rm", "-f", tID).Run() | ||
|
|
||
| base.Cmd("ps", "-a").AssertOutContains(tID) | ||
| base.Cmd("images").AssertOutContains("alpine") | ||
|
|
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| base.Cmd("system", "prune", "-f", "--volumes", "--all").AssertOK() | ||
| base.Cmd("volume", "ls").AssertNoOut(vID) | ||
| base.Cmd("ps", "-a").AssertNoOut(tID) | ||
| base.Cmd("network", "ls").AssertNoOut(nID) | ||
| base.Cmd("images").AssertNoOut("alpine") | ||
| } |
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