Files
kata-containers/cli/pause.go
James O. D. Hunt 64e2ca35dd logging: Reset external loggers when cid+sid available
Once `containerID` and `sandboxID` fields are available, re-register
the logger with the external packages to ensure they too display these
important fields.

Fixes #467.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
2018-07-04 14:49:58 +01:00

68 lines
1.6 KiB
Go

// Copyright (c) 2014,2015,2016 Docker, Inc.
// Copyright (c) 2017 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
package main
import (
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
var noteText = `Use "` + name + ` list" to identify container statuses.`
var pauseCLICommand = cli.Command{
Name: "pause",
Usage: "suspend all processes in a container",
ArgsUsage: `<container-id>
Where "<container-id>" is the container name to be paused.`,
Description: `The pause command suspends all processes in a container.
` + noteText,
Action: func(context *cli.Context) error {
return toggleContainerPause(context.Args().First(), true)
},
}
var resumeCLICommand = cli.Command{
Name: "resume",
Usage: "unpause all previously paused processes in a container",
ArgsUsage: `<container-id>
Where "<container-id>" is the container name to be resumed.`,
Description: `The resume command unpauses all processes in a container.
` + noteText,
Action: func(context *cli.Context) error {
return toggleContainerPause(context.Args().First(), false)
},
}
func toggleContainerPause(containerID string, pause bool) (err error) {
// Checks the MUST and MUST NOT from OCI runtime specification
status, sandboxID, err := getExistingContainerInfo(containerID)
if err != nil {
return err
}
containerID = status.ID
kataLog = kataLog.WithFields(logrus.Fields{
"container": containerID,
"sandbox": sandboxID,
})
setExternalLoggers(kataLog)
if pause {
err = vci.PauseContainer(sandboxID, containerID)
} else {
err = vci.ResumeContainer(sandboxID, containerID)
}
return err
}