Live: array for Processor, Outputter and Subscriber in channel rule top level (#39677)

pkg/services/live/pipeline/frame_output_managed_stream.go

@@ -0,0 +1,32 @@
+package pipeline
+
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/services/live/managedstream"
+
+	"github.com/grafana/grafana-plugin-sdk-go/data"
+)
+
+type ManagedStreamFrameOutput struct {
+	managedStream *managedstream.Runner
+}
+
+func NewManagedStreamFrameOutput(managedStream *managedstream.Runner) *ManagedStreamFrameOutput {
+	return &ManagedStreamFrameOutput{managedStream: managedStream}
+}
+
+const FrameOutputTypeManagedStream = "managedStream"
+
+func (out *ManagedStreamFrameOutput) Type() string {
+	return FrameOutputTypeManagedStream
+}
+
+func (out *ManagedStreamFrameOutput) OutputFrame(_ context.Context, vars Vars, frame *data.Frame) ([]*ChannelFrame, error) {
+	stream, err := out.managedStream.GetOrCreateStream(vars.OrgID, vars.Scope, vars.Namespace)
+	if err != nil {
+		logger.Error("Error getting stream", "error", err)
+		return nil, err
+	}
+	return nil, stream.Push(vars.Path, frame)
+}