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add pre-dump and parent-path to checkpoint

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CRIU gets pre-dump to complete iterative migration.
pre-dump saves process memory info only. And it need parent-path
to specify the former memory files.

This patch add pre-dump and parent-path arguments to runc checkpoint

Signed-off-by: Deng Guangxing <dengguangxing@huawei.com>
Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Deng Guangxing
2016-08-24 17:48:56 +08:00
parent 4f21aea40d
commit 98f004182b
7 changed files with 155 additions and 32 deletions
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checkpoint.go
+2
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@@ -24,12 +24,14 @@ checkpointed.`,
Flags: []cli.Flag{
cli.StringFlag{Name: "image-path", Value: "", Usage: "path for saving criu image files"},
cli.StringFlag{Name: "work-path", Value: "", Usage: "path for saving work files and logs"},
cli.StringFlag{Name: "parent-path", Value: "", Usage: "path for previous criu image files in pre-dump"},
cli.BoolFlag{Name: "leave-running", Usage: "leave the process running after checkpointing"},
cli.BoolFlag{Name: "tcp-established", Usage: "allow open tcp connections"},
cli.BoolFlag{Name: "ext-unix-sk", Usage: "allow external unix sockets"},
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.BoolFlag{Name: "pre-dump", Usage: "dump container's memory information only, leave the container running after this"},
cli.StringFlag{Name: "manage-cgroups-mode", Value: "", Usage: "cgroups mode: 'soft' (default), 'full' and 'strict'"},
cli.StringSliceFlag{Name: "empty-ns", Usage: "create a namespace, but don't restore its properies"},
},