Manager: log error when an event doesn't have a SocketIO event type

SocketIO has 'rooms' and 'event types'. The 'event type' is set via
reflection of the OpenAPI type of the event payload. This has to be set
up in a mapping, though, and if that mapping is incomplete, an error will
now be logged.

internal/manager/eventbus/socketio.go

@@ -14,6 +14,7 @@ import (
 	"github.com/rs/zerolog/log"
 	"projects.blender.org/studio/flamenco/internal/uuid"
 	"projects.blender.org/studio/flamenco/pkg/api"
+	"projects.blender.org/studio/flamenco/pkg/website"
 )
 
 type SocketIOEventType string
@@ -59,7 +60,17 @@ func (s *SocketIOForwarder) Broadcast(topic EventTopic, payload interface{}) {
 	// SocketIO has a concept of 'event types'. MQTT doesn't have this, and thus the Flamenco event
 	// system doesn't rely on it. We use the payload type name as event type.
 	payloadType := reflect.TypeOf(payload).Name()
-	eventType := socketIOEventTypes[payloadType]
+
+	eventType, ok := socketIOEventTypes[payloadType]
+	if !ok {
+		log.Error().
+			Str("topic", string(topic)).
+			Str("payloadType", payloadType).
+			Interface("event", payload).
+			Msgf("socketIO: payload type does not have an event type, please copy-paste this message into a bug report at %s", website.BugReportURL)
+		return
+	}
+
 	log.Debug().
 		Str("topic", string(topic)).
 		Str("eventType", eventType).

internal/manager/eventbus/topics.go

@@ -6,6 +6,7 @@ import "fmt"
 
 const (
 	// Topics on which events are published.
+	// NOTE: when adding here, also add to socketIOEventTypes in socketio.go.
 	TopicLifeCycle         EventTopic = "/lifecycle"     // sends api.EventLifeCycle
 	TopicFarmStatus        EventTopic = "/status"        // sends api.EventFarmStatus
 	TopicJobUpdate         EventTopic = "/jobs"          // sends api.EventJobUpdate