k3s/vendor/github.com/opencontainers/runc/pause.go

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2019-01-12 04:58:27 +00:00
// +build linux
package main
import (
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
var pauseCommand = cli.Command{
Name: "pause",
Usage: "pause suspends all processes inside the container",
ArgsUsage: `<container-id>
Where "<container-id>" is the name for the instance of the container to be
paused. `,
Description: `The pause command suspends all processes in the instance of the container.
Use runc list to identiy instances of containers and their current status.`,
Action: func(context *cli.Context) error {
if err := checkArgs(context, 1, exactArgs); err != nil {
return err
}
rootlessCg, err := shouldUseRootlessCgroupManager(context)
if err != nil {
return err
}
if rootlessCg {
logrus.Warnf("runc pause may fail if you don't have the full access to cgroups")
}
container, err := getContainer(context)
if err != nil {
return err
}
return container.Pause()
},
}
var resumeCommand = cli.Command{
Name: "resume",
Usage: "resumes all processes that have been previously paused",
ArgsUsage: `<container-id>
Where "<container-id>" is the name for the instance of the container to be
resumed.`,
Description: `The resume command resumes all processes in the instance of the container.
Use runc list to identiy instances of containers and their current status.`,
Action: func(context *cli.Context) error {
if err := checkArgs(context, 1, exactArgs); err != nil {
return err
}
rootlessCg, err := shouldUseRootlessCgroupManager(context)
if err != nil {
return err
}
if rootlessCg {
logrus.Warn("runc resume may fail if you don't have the full access to cgroups")
}
container, err := getContainer(context)
if err != nil {
return err
}
return container.Resume()
},
}