containerd/cmd/ctr/events.go
Michael Crosby 2b6d790ff4 Refactor runtime events into Task* types
This removes the RuntimeEvent super proto with enums into separate
runtime event protos to be inline with the other events that are output
by containerd.

This also renames the runtime events into Task* events.

Fixes #1071

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-07-12 10:57:57 -07:00

61 lines
1.1 KiB
Go

package main
import (
"encoding/json"
"fmt"
"os"
"text/tabwriter"
eventsapi "github.com/containerd/containerd/api/services/events/v1"
"github.com/containerd/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.Stream(ctx, &eventsapi.StreamEventsRequest{})
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
for {
e, err := events.Recv()
if err != nil {
return err
}
v, err := typeurl.UnmarshalAny(e.Event)
if err != nil {
return err
}
out, err := json.Marshal(v)
if err != nil {
return err
}
if _, err := fmt.Fprintf(w,
"%s\t%s",
e.Timestamp,
e.Topic,
); err != nil {
return err
}
if _, err := fmt.Fprintf(w, "\t%s\n", out); err != nil {
return err
}
if err := w.Flush(); err != nil {
return err
}
}
},
}