containerd/cmd/ctr/events.go
Michael Crosby 4743f1fc4c Move NewClient and AppContext to commands pkg
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-10-25 11:10:00 -04:00

58 lines
1.1 KiB
Go

package main
import (
"encoding/json"
"fmt"
eventsapi "github.com/containerd/containerd/api/services/events/v1"
"github.com/containerd/containerd/cmd/ctr/commands"
"github.com/containerd/typeurl"
"github.com/urfave/cli"
)
var eventsCommand = cli.Command{
Name: "events",
Usage: "display containerd events",
Action: func(context *cli.Context) error {
client, ctx, cancel, err := commands.NewClient(context)
if err != nil {
return err
}
defer cancel()
eventsClient := client.EventService()
events, err := eventsClient.Subscribe(ctx, &eventsapi.SubscribeRequest{
Filters: context.Args(),
})
if err != nil {
return err
}
for {
e, err := events.Recv()
if err != nil {
return err
}
var out []byte
if e.Event != nil {
v, err := typeurl.UnmarshalAny(e.Event)
if err != nil {
return err
}
out, err = json.Marshal(v)
if err != nil {
return err
}
}
if _, err := fmt.Println(
e.Timestamp,
e.Namespace,
e.Topic,
string(out),
); err != nil {
return err
}
}
},
}