117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
package runtime
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import (
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"context"
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"time"
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"github.com/gogo/protobuf/types"
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)
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// TaskInfo provides task specific information
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type TaskInfo struct {
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ID string
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Runtime string
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Spec []byte
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Namespace string
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}
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// Process is a runtime object for an executing process inside a container
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type Process interface {
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ID() string
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// State returns the process state
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State(context.Context) (State, error)
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// Kill signals a container
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Kill(context.Context, uint32, bool) error
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// Pty resizes the processes pty/console
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ResizePty(context.Context, ConsoleSize) error
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// CloseStdin closes the processes stdin
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CloseIO(context.Context) error
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// Start the container's user defined process
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Start(context.Context) error
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// Wait for the process to exit
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Wait(context.Context) (*Exit, error)
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}
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// Task is the runtime object for an executing container
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type Task interface {
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Process
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// Information of the container
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Info() TaskInfo
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// Pause pauses the container process
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Pause(context.Context) error
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// Resume unpauses the container process
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Resume(context.Context) error
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// Exec adds a process into the container
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Exec(context.Context, string, ExecOpts) (Process, error)
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// Pids returns all pids
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Pids(context.Context) ([]ProcessInfo, error)
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// Checkpoint checkpoints a container to an image with live system data
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Checkpoint(context.Context, string, *types.Any) error
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// DeleteProcess deletes a specific exec process via its id
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DeleteProcess(context.Context, string) (*Exit, error)
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// Update sets the provided resources to a running task
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Update(context.Context, *types.Any) error
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// Process returns a process within the task for the provided id
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Process(context.Context, string) (Process, error)
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// Metrics returns runtime specific metrics for a task
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Metrics(context.Context) (interface{}, error)
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}
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// ExecOpts provides additional options for additional processes running in a task
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type ExecOpts struct {
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Spec *types.Any
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IO IO
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}
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// ConsoleSize of a pty or windows terminal
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type ConsoleSize struct {
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Width uint32
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Height uint32
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}
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// Status is the runtime status of a task and/or process
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type Status int
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const (
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// CreatedStatus when a process has been created
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CreatedStatus Status = iota + 1
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// RunningStatus when a process is running
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RunningStatus
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// StoppedStatus when a process has stopped
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StoppedStatus
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// DeletedStatus when a process has been deleted
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DeletedStatus
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// PausedStatus when a process is paused
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PausedStatus
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// PausingStatus when a process is currently pausing
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PausingStatus
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)
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// State information for a process
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type State struct {
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// Status is the current status of the container
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Status Status
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// Pid is the main process id for the container
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Pid uint32
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// ExitStatus of the process
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// Only valid if the Status is Stopped
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ExitStatus uint32
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// ExitedAt is the time at which the process exited
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// Only valid if the Status is Stopped
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ExitedAt time.Time
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Stdin string
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Stdout string
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Stderr string
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Terminal bool
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}
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// ProcessInfo holds platform specific process information
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type ProcessInfo struct {
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// Pid is the process ID
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Pid uint32
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// Info includes additional process information
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// Info varies by platform
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Info interface{}
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}
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