containerd/linux/container.go
Michael Crosby 155185c2b2 Add container to monitor in runtime
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-03-22 11:44:25 -07:00

72 lines
1.5 KiB
Go

package linux
import (
"github.com/docker/containerd"
"github.com/docker/containerd/api/services/shim"
"github.com/docker/containerd/api/types/container"
"golang.org/x/net/context"
)
type State struct {
pid uint32
status containerd.ContainerStatus
}
func (s State) Pid() uint32 {
return s.pid
}
func (s State) Status() containerd.ContainerStatus {
return s.status
}
type Container struct {
id string
shim shim.ShimClient
}
func (c *Container) Info() containerd.ContainerInfo {
return containerd.ContainerInfo{
ID: c.id,
Runtime: runtimeName,
}
}
func (c *Container) Start(ctx context.Context) error {
_, err := c.shim.Start(ctx, &shim.StartRequest{})
return err
}
func (c *Container) State(ctx context.Context) (containerd.State, error) {
response, err := c.shim.State(ctx, &shim.StateRequest{})
if err != nil {
return nil, err
}
var status containerd.ContainerStatus
switch response.Status {
case container.Status_CREATED:
status = containerd.CreatedStatus
case container.Status_RUNNING:
status = containerd.RunningStatus
case container.Status_STOPPED:
status = containerd.StoppedStatus
case container.Status_PAUSED:
status = containerd.PausedStatus
// TODO: containerd.DeletedStatus
}
return &State{
pid: response.Pid,
status: status,
}, nil
}
func (c *Container) Pause(ctx context.Context) error {
_, err := c.shim.Pause(ctx, &shim.PauseRequest{})
return err
}
func (c *Container) Resume(ctx context.Context) error {
_, err := c.shim.Resume(ctx, &shim.ResumeRequest{})
return err
}