970b8d61a7
This brings in a fix for a cgroups setup race condition that we hit sometimes in the tests. Signed-off-by: Mrunal Patel <mrunalp@gmail.com>
40 lines
2.1 KiB
Go
40 lines
2.1 KiB
Go
package libcontainer
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// cgroup restoring strategy provided by criu
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type cgMode uint32
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const (
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CRIU_CG_MODE_SOFT cgMode = 3 + iota // restore cgroup properties if only dir created by criu
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CRIU_CG_MODE_FULL // always restore all cgroups and their properties
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CRIU_CG_MODE_STRICT // restore all, requiring them to not present in the system
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CRIU_CG_MODE_DEFAULT // the same as CRIU_CG_MODE_SOFT
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)
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type CriuPageServerInfo struct {
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Address string // IP address of CRIU page server
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Port int32 // port number of CRIU page server
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}
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type VethPairName struct {
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ContainerInterfaceName string
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HostInterfaceName string
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}
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type CriuOpts struct {
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ImagesDirectory string // directory for storing image files
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WorkDirectory string // directory to cd and write logs/pidfiles/stats to
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ParentImage string // directory for storing parent image files in pre-dump and dump
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LeaveRunning bool // leave container in running state after checkpoint
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TcpEstablished bool // checkpoint/restore established TCP connections
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ExternalUnixConnections bool // allow external unix connections
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ShellJob bool // allow to dump and restore shell jobs
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FileLocks bool // handle file locks, for safety
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PreDump bool // call criu predump to perform iterative checkpoint
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PageServer CriuPageServerInfo // allow to dump to criu page server
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VethPairs []VethPairName // pass the veth to criu when restore
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ManageCgroupsMode cgMode // dump or restore cgroup mode
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EmptyNs uint32 // don't c/r properties for namespace from this mask
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AutoDedup bool // auto deduplication for incremental dumps
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LazyPages bool // restore memory pages lazily using userfaultfd
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StatusFd string // fd for feedback when lazy server is ready
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}
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