/
event_publisher.go
136 lines (124 loc) · 3.88 KB
/
event_publisher.go
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package publisher
import (
"context"
"time"
automate_event "github.com/chef/automate/api/interservice/event"
"github.com/chef/automate/api/interservice/event_feed"
event "github.com/chef/automate/components/event-service/config"
"github.com/chef/automate/components/ingest-service/pipeline/message"
"github.com/gofrs/uuid"
"github.com/golang/protobuf/ptypes"
_struct "github.com/golang/protobuf/ptypes/struct"
log "github.com/sirupsen/logrus"
)
func BuildEventPublisher(
eventFeedServiceClient event_feed.EventFeedServiceClient, numPublishers int) message.ChefActionPipe {
return func(in <-chan message.ChefAction) <-chan message.ChefAction {
if numPublishers <= 0 || eventFeedServiceClient == nil {
log.Info("Direct publish to event feed service is disabled")
return actionsNoop(in)
}
out := make(chan message.ChefAction, 100)
log.Infof("Starting event feed service publisher")
for i := 0; i < numPublishers; i++ {
go eventPublisher(in, eventFeedServiceClient, out)
}
return out
}
}
func eventPublisher(in <-chan message.ChefAction,
client event_feed.EventFeedServiceClient, out chan<- message.ChefAction) {
for msg := range in {
eventHandleMessage(client, msg, out)
}
close(out)
}
func eventHandleMessage(client event_feed.EventFeedServiceClient, msg message.ChefAction,
out chan<- message.ChefAction) {
if err := msg.Ctx.Err(); err != nil {
msg.FinishProcessing(err)
return
}
event, err := createEvent(msg)
if err != nil {
log.Errorf("unable to create event %v", msg.Action)
msg.FinishProcessing(err)
return
}
start := time.Now()
_, err = client.HandleEvent(context.Background(), event)
if err != nil {
log.Errorf("unable to send event %v", msg.Action)
msg.FinishProcessing(err)
return
}
dur := time.Since(start)
log.WithFields(log.Fields{
"message_id": msg.ID,
"buffer_size": len(out),
"dur": dur,
}).Debug("Published to event-service")
message.PropagateChefAction(out, &msg)
}
func createEvent(msg message.ChefAction) (*automate_event.EventMsg, error) {
timestamp, err := ptypes.TimestampProto(msg.InternalChefAction.RecordedAt)
if err != nil {
log.WithFields(log.Fields{
"func": "createEvent",
"err": err,
"timestamp": msg.InternalChefAction.RecordedAt.String(),
}).Warn("Unable to translate checkin time to timestamp proto")
return &automate_event.EventMsg{}, err
}
return &automate_event.EventMsg{
EventId: uuid.Must(uuid.NewV4()).String(),
Type: &automate_event.EventType{Name: event.EventFeedEventName},
Producer: &automate_event.Producer{
Id: msg.InternalChefAction.EntityType,
ProducerName: msg.InternalChefAction.EntityType,
ProducerType: "chef_server",
},
Published: timestamp,
Actor: &automate_event.Actor{
Id: msg.InternalChefAction.RemoteRequestId,
ObjectType: msg.InternalChefAction.RequestorType,
DisplayName: msg.InternalChefAction.RequestorName,
},
Verb: msg.Action.Task,
Object: &automate_event.Object{
Id: msg.InternalChefAction.Id,
ObjectType: msg.InternalChefAction.EntityType,
DisplayName: msg.InternalChefAction.EntityName,
},
Target: &automate_event.Target{
Id: "",
ObjectType: "Not Applicable",
DisplayName: msg.InternalChefAction.ServiceHostname,
},
Projects: msg.InternalChefAction.Projects,
Data: &_struct.Struct{
Fields: map[string]*_struct.Value{
"chef_organization": {
Kind: &_struct.Value_StringValue{
StringValue: msg.InternalChefAction.OrganizationName,
},
},
"chef_infra_server": {
Kind: &_struct.Value_StringValue{
StringValue: msg.InternalChefAction.ServiceHostname,
},
},
"parent_name": {
Kind: &_struct.Value_StringValue{
StringValue: msg.InternalChefAction.ParentName,
},
},
"parent_id": {
Kind: &_struct.Value_StringValue{
StringValue: msg.InternalChefAction.ParentType,
},
},
},
},
}, nil
}