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events: add protos

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Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: update events package to include emitter and use envelope proto

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: add events service

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: enable events service and update ctr events to use events service

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

event listeners

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: helper func for emitting in services

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: improved cli for containers and tasks

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

create event envelope with poster

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: introspect event data to use for type url

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: use pb encoding; add event types

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: instrument content and snapshot services with events

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: instrument image service with events

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: instrument namespace service with events

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: add namespace support

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: only send events from namespace requested from client

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: switch to go-events for broadcasting

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
This commit is contained in:
Evan Hazlett
2017-06-02 15:06:38 -04:00
parent 7e3b7dead6
commit 935645b03a
50 changed files with 8290 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
events/poster.go
View File

@@ -5,6 +5,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/namespaces"
)
var (
@@ -13,7 +14,7 @@ var (
// Poster posts the event.
type Poster interface {
Post(ctx context.Context, event Event)
Post(ctx context.Context, evt Event) error
}
type posterKey struct{}
@@ -24,19 +25,21 @@ func WithPoster(ctx context.Context, poster Poster) context.Context {
func GetPoster(ctx context.Context) Poster {
poster := ctx.Value(posterKey{})
if poster == nil {
logger := log.G(ctx)
tx, _ := getTx(ctx)
topic := getTopic(ctx)
// likely means we don't have a configured event system. Just return
// the default poster, which merely logs events.
return posterFunc(func(ctx context.Context, event Event) {
fields := logrus.Fields{"event": event}
return posterFunc(func(ctx context.Context, evt Event) error {
fields := logrus.Fields{"event": evt}
if topic != "" {
fields["topic"] = topic
}
ns, _ := namespaces.Namespace(ctx)
fields["ns"] = ns
if tx != nil {
fields["tx.id"] = tx.id
@@ -45,15 +48,18 @@ func GetPoster(ctx context.Context) Poster {
}
}
logger.WithFields(fields).Info("event posted")
log.G(ctx).WithFields(fields).Debug("event fired")
return nil
})
}
return poster.(Poster)
}
type posterFunc func(ctx context.Context, event Event)
type posterFunc func(ctx context.Context, evt Event) error
func (fn posterFunc) Post(ctx context.Context, event Event) {
fn(ctx, event)
func (fn posterFunc) Post(ctx context.Context, evt Event) error {
fn(ctx, evt)
return nil
}