containerd/cmd/ctr/events.go
Michael Crosby d22160c28e Vendor typeurl package
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-09-19 09:43:55 -04:00

58 lines
1016 B
Go

package main
import (
"encoding/json"
"fmt"
eventsapi "github.com/containerd/containerd/api/services/events/v1"
"github.com/containerd/typeurl"
"github.com/urfave/cli"
)
var eventsCommand = cli.Command{
Name: "events",
Usage: "display containerd events",
Action: func(context *cli.Context) error {
eventsClient, err := getEventsService(context)
if err != nil {
return err
}
ctx, cancel := appContext(context)
defer cancel()
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
}
}
},
}