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-rw-r--r--runsc/cmd/pause.go67
1 files changed, 67 insertions, 0 deletions
diff --git a/runsc/cmd/pause.go b/runsc/cmd/pause.go
new file mode 100644
index 000000000..ac393b48e
--- /dev/null
+++ b/runsc/cmd/pause.go
@@ -0,0 +1,67 @@
+// Copyright 2018 Google Inc.
+//
+// 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 cmd
+
+import (
+ "context"
+ "flag"
+ "github.com/google/subcommands"
+ "gvisor.googlesource.com/gvisor/runsc/boot"
+ "gvisor.googlesource.com/gvisor/runsc/container"
+)
+
+// Pause implements subcommands.Command for the "pause" command.
+type Pause struct{}
+
+// Name implements subcommands.Command.Name.
+func (*Pause) Name() string {
+ return "pause"
+}
+
+// Synopsis implements subcommands.Command.Synopsis.
+func (*Pause) Synopsis() string {
+ return "pause suspends all processes in a container"
+}
+
+// Usage implements subcommands.Command.Usage.
+func (*Pause) Usage() string {
+ return `pause <container id> - pause process in instance of container.`
+}
+
+// SetFlags implements subcommands.Command.SetFlags.
+func (*Pause) SetFlags(f *flag.FlagSet) {
+}
+
+// Execute implements subcommands.Command.Execute.
+func (*Pause) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
+ if f.NArg() != 1 {
+ f.Usage()
+ return subcommands.ExitUsageError
+ }
+
+ id := f.Arg(0)
+ conf := args[0].(*boot.Config)
+
+ cont, err := container.Load(conf.RootDir, id)
+ if err != nil {
+ Fatalf("error loading container: %v", err)
+ }
+
+ if err := cont.Pause(); err != nil {
+ Fatalf("pause failed: %v", err)
+ }
+
+ return subcommands.ExitSuccess
+}