50 lines
940 B
Go
50 lines
940 B
Go
package nsinit
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import (
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"log"
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"github.com/codegangsta/cli"
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"github.com/docker/libcontainer/cgroups"
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"github.com/docker/libcontainer/cgroups/fs"
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"github.com/docker/libcontainer/cgroups/systemd"
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)
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var pauseCommand = cli.Command{
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Name: "pause",
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Usage: "pause the container's processes",
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Action: pauseAction,
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}
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var unpauseCommand = cli.Command{
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Name: "unpause",
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Usage: "unpause the container's processes",
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Action: unpauseAction,
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}
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func pauseAction(context *cli.Context) {
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if err := toggle(cgroups.Frozen); err != nil {
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log.Fatal(err)
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}
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}
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func unpauseAction(context *cli.Context) {
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if err := toggle(cgroups.Thawed); err != nil {
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log.Fatal(err)
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}
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}
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func toggle(state cgroups.FreezerState) error {
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container, err := loadContainer()
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if err != nil {
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return err
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}
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if systemd.UseSystemd() {
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err = systemd.Freeze(container.Cgroups, state)
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} else {
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err = fs.Freeze(container.Cgroups, state)
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}
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return err
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}
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