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78 lines
3 KiB
Go
78 lines
3 KiB
Go
package types // import "github.com/docker/docker/libcontainerd/types"
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import (
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"context"
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"time"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/cio"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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)
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// EventType represents a possible event from libcontainerd
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type EventType string
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// Event constants used when reporting events
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const (
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EventUnknown EventType = "unknown"
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EventExit EventType = "exit"
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EventOOM EventType = "oom"
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EventCreate EventType = "create"
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EventStart EventType = "start"
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EventExecAdded EventType = "exec-added"
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EventExecStarted EventType = "exec-started"
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EventPaused EventType = "paused"
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EventResumed EventType = "resumed"
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)
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// EventInfo contains the event info
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type EventInfo struct {
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ContainerID string
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ProcessID string
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Pid uint32
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ExitCode uint32
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ExitedAt time.Time
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OOMKilled bool
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Error error
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}
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// Backend defines callbacks that the client of the library needs to implement.
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type Backend interface {
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ProcessEvent(containerID string, event EventType, ei EventInfo) error
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}
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// Process of a container
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type Process interface {
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Delete(context.Context) (uint32, time.Time, error)
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}
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// Client provides access to containerd features.
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type Client interface {
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Version(ctx context.Context) (containerd.Version, error)
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Restore(ctx context.Context, containerID string, attachStdio StdioCallback) (alive bool, pid int, p Process, err error)
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Create(ctx context.Context, containerID string, spec *specs.Spec, runtimeOptions interface{}, opts ...containerd.NewContainerOpts) error
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Start(ctx context.Context, containerID, checkpointDir string, withStdin bool, attachStdio StdioCallback) (pid int, err error)
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SignalProcess(ctx context.Context, containerID, processID string, signal int) error
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Exec(ctx context.Context, containerID, processID string, spec *specs.Process, withStdin bool, attachStdio StdioCallback) (int, error)
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ResizeTerminal(ctx context.Context, containerID, processID string, width, height int) error
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CloseStdin(ctx context.Context, containerID, processID string) error
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Pause(ctx context.Context, containerID string) error
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Resume(ctx context.Context, containerID string) error
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Stats(ctx context.Context, containerID string) (*Stats, error)
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ListPids(ctx context.Context, containerID string) ([]uint32, error)
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Summary(ctx context.Context, containerID string) ([]Summary, error)
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DeleteTask(ctx context.Context, containerID string) (uint32, time.Time, error)
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Delete(ctx context.Context, containerID string) error
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Status(ctx context.Context, containerID string) (containerd.ProcessStatus, error)
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UpdateResources(ctx context.Context, containerID string, resources *Resources) error
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CreateCheckpoint(ctx context.Context, containerID, checkpointDir string, exit bool) error
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}
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// StdioCallback is called to connect a container or process stdio.
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type StdioCallback func(io *cio.DirectIO) (cio.IO, error)
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// InitProcessName is the name given to the first process of a container
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const InitProcessName = "init"
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