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Add option to support criu manage cgroups mode for dump and restore

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CRIU supports cgroup-manage mode from v1.7

Signed-off-by: Hui Kang <hkang.sunysb@gmail.com>
This commit is contained in:
Hui Kang
2015-08-06 15:14:59 +00:00
committed by root
parent 76674393ef
commit 25da513c4b
6 changed files with 237 additions and 50 deletions
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17
checkpoint.go
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@@ -23,6 +23,7 @@ var checkpointCommand = cli.Command{
cli.BoolFlag{Name: "shell-job", Usage: "allow shell jobs"},
cli.StringFlag{Name: "page-server", Value: "", Usage: "ADDRESS:PORT of the page server"},
cli.BoolFlag{Name: "file-locks", Usage: "handle file locks, for safety"},
cli.StringFlag{Name: "manage-cgroups-mode", Value: "", Usage: "cgroups mode: 'soft' (default), 'full' and 'strict'."},
},
Action: func(context *cli.Context) {
container, err := getContainer(context)
@@ -39,6 +40,7 @@ var checkpointCommand = cli.Command{
}
// these are the mandatory criu options for a container
setPageServer(context, options)
setManageCgroupsMode(context, options)
if err := container.Checkpoint(options); err != nil {
fatal(err)
}
@@ -71,3 +73,18 @@ func setPageServer(context *cli.Context, options *libcontainer.CriuOpts) {
}
}
}
func setManageCgroupsMode(context *cli.Context, options *libcontainer.CriuOpts) {
if cgOpt := context.String("manage-cgroups-mode"); cgOpt != "" {
switch cgOpt {
case "soft":
options.ManageCgroupsMode = libcontainer.CRIU_CG_MODE_SOFT
case "full":
options.ManageCgroupsMode = libcontainer.CRIU_CG_MODE_FULL
case "strict":
options.ManageCgroupsMode = libcontainer.CRIU_CG_MODE_STRICT
default:
fatal(fmt.Errorf("Invalid manage cgroups mode"))
}
}
}