forked from containerd/containerd
/
task.go
82 lines (71 loc) · 1.86 KB
/
task.go
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package runtime
import (
"context"
"github.com/gogo/protobuf/types"
)
type TaskInfo struct {
ID string
Runtime string
Spec []byte
Namespace string
}
type Process interface {
ID() string
// State returns the process state
State(context.Context) (State, error)
// Kill signals a container
Kill(context.Context, uint32, bool) error
// Pty resizes the processes pty/console
ResizePty(context.Context, ConsoleSize) error
// CloseStdin closes the processes stdin
CloseIO(context.Context) error
}
type Task interface {
Process
// Information of the container
Info() TaskInfo
// Start the container's user defined process
Start(context.Context) error
// Pause pauses the container process
Pause(context.Context) error
// Resume unpauses the container process
Resume(context.Context) error
// Exec adds a process into the container
Exec(context.Context, string, ExecOpts) (Process, error)
// Pids returns all pids
Pids(context.Context) ([]uint32, error)
// Checkpoint checkpoints a container to an image with live system data
Checkpoint(context.Context, string, *types.Any) error
// DeleteProcess deletes a specific exec process via its id
DeleteProcess(context.Context, string) (*Exit, error)
// Update sets the provided resources to a running task
Update(context.Context, *types.Any) error
// Process returns a process within the task for the provided id
Process(context.Context, string) (Process, error)
}
type ExecOpts struct {
Spec *types.Any
IO IO
}
type ConsoleSize struct {
Width uint32
Height uint32
}
type Status int
const (
CreatedStatus Status = iota + 1
RunningStatus
StoppedStatus
DeletedStatus
PausedStatus
)
type State struct {
// Status is the current status of the container
Status Status
// Pid is the main process id for the container
Pid uint32
Stdin string
Stdout string
Stderr string
Terminal bool
}