type Backend interface {ProcessEvent(containerIDstring, eventEventType, eiEventInfo)error}

type Checkpoints struct{}

type Client interface {Version(ctxcontext.Context) (containerd.Version,error)// LoadContainer loads the metadata for a container from containerd.LoadContainer(ctxcontext.Context, containerIDstring) (Container,error)// NewContainer creates a new containerd container.NewContainer(ctxcontext.Context, containerIDstring, spec *specs.Spec, shimstring, runtimeOptions interface{}, opts ...containerd.NewContainerOpts) (Container,error)}

type Container interface {NewTask(ctxcontext.Context, checkpointDirstring, withStdinbool, attachStdioStdioCallback) (Task,error)Task(ctxcontext.Context) (Task,error)// AttachTask returns the current task for the container and reattaches// to the IO for the running task. If no task exists for the container// a NotFound error is returned.//// Clients must make sure that only one reader is attached to the task.AttachTask(ctxcontext.Context, attachStdioStdioCallback) (Task,error)// Delete removes the container and associated resourcesDelete(context.Context)error}

type EventInfo struct {ContainerIDstringProcessIDstringPiduint32ExitCodeuint32ExitedAttime.TimeErrorerror}

type EventTypestring

const (EventUnknownEventType = "unknown"EventExitEventType = "exit"EventOOMEventType = "oom"EventCreateEventType = "create"EventStartEventType = "start"EventExecAddedEventType = "exec-added"EventExecStartedEventType = "exec-started"EventPausedEventType = "paused"EventResumedEventType = "resumed")

Event constants used when reporting events

type Process interface {// Pid is the system specific process idPid()uint32// Kill sends the provided signal to the processKill(ctxcontext.Context, signalsyscall.Signal)error// Resize changes the width and height of the process's terminalResize(ctxcontext.Context, width, heightuint32)error// Delete removes the process and any resources allocated returning the exit statusDelete(context.Context) (*containerd.ExitStatus,error)}

type Resources = specs.LinuxResources

type Stats struct {Readtime.Time// Metrics is expected to be either one of:// * github.com/containerd/cgroups/v3/cgroup1/stats.Metrics// * github.com/containerd/cgroups/v3/cgroup2/stats.MetricsMetrics interface{}}

funcInterfaceToStats¶

func InterfaceToStats(readtime.Time, v interface{}) *Stats

InterfaceToStats returns a stats object from the platform-specific interface.

type StdioCallback func(io *cio.DirectIO) (cio.IO,error)

type Summary struct{}

type Task interface {Process// Start begins execution of the taskStart(context.Context)error// Pause suspends the execution of the taskPause(context.Context)error// Resume the execution of the taskResume(context.Context)errorStats(ctxcontext.Context) (*Stats,error)// Pids returns a list of system specific process ids inside the taskPids(context.Context) ([]containerd.ProcessInfo,error)Summary(ctxcontext.Context) ([]Summary,error)// ForceDelete forcefully kills the task's processes and deletes the taskForceDelete(context.Context)error// Status returns the executing status of the taskStatus(ctxcontext.Context) (containerd.Status,error)// Exec creates and starts a new process inside the taskExec(ctxcontext.Context, processIDstring, spec *specs.Process, withStdinbool, attachStdioStdioCallback) (Process,error)UpdateResources(ctxcontext.Context, resources *Resources)errorCreateCheckpoint(ctxcontext.Context, checkpointDirstring, exitbool)error}