Adding stackdriver exporter

pkg/types/types.go

@@ -18,6 +18,8 @@ package types
 
 import (
 	"time"
+
+	"github.com/spf13/pflag"
 )
 
 // The following types are used internally in problem detector. In the future this could be the
@@ -135,15 +137,14 @@ type ProblemDaemonHandler struct {
 // ExporterType is the type of the exporter.
 type ExporterType string
 
-// ExporterConfigPathMap represents configurations on all types of exporters:
-// 1) Each key represents a type of exporter.
-// 2) Each value represents the config file path for the exporter.
-type ExporterConfigPathMap map[ExporterType]*string
-
 // ExporterHandler represents the initialization handler for a type of exporter.
 type ExporterHandler struct {
 	// CreateExporterOrDie initializes an exporter, panic if error occurs.
-	CreateExporterOrDie func(string) Exporter
+	CreateExporterOrDie func(CommandLineOptions) Exporter
 	// CmdOptionDescription explains how to configure the exporter from command line arguments.
-	CmdOptionDescription string
+	Options CommandLineOptions
+}
+
+type CommandLineOptions interface {
+	SetFlags(*pflag.FlagSet)
 }