builder: start the collector with the parsing of featuregates

Signed-off-by: Benedikt Bongartz <bongartz@klimlive.de>
open-telemetry · Sep 20, 2023 · 92a70f4 · 92a70f4
1 parent 07938f2
commit 92a70f4
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Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/cmd/builder/internal/builder/templates/main.go.tmpl b/cmd/builder/internal/builder/templates/main.go.tmpl
@@ -5,11 +5,16 @@ package main
 
 import (
 	"log"
+
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/otelcol"
 )
 
 func main() {
+	if err := otelcol.NewCommandFeatureGate().Execute(); err != nil {
+		log.Fatalf("failed to validate featuregates: %v", err)
+	}
+
 	factories, err := components()
 	if err != nil {
 		log.Fatalf("failed to build components: %v", err)

diff --git a/otelcol/command.go b/otelcol/command.go
@@ -12,6 +12,14 @@ import (
 	"go.opentelemetry.io/collector/featuregate"
 )
 
+// NewCommandFeatureGate constructs a new cobra.Command used to parse given FeatureGates.
+func NewCommandFeatureGate() *cobra.Command {
+	flagSet := flags(featuregate.GlobalRegistry())
+	rootCmd := &cobra.Command{SilenceUsage: true}
+	rootCmd.Flags().AddGoFlagSet(flagSet)
+	return rootCmd
+}
+
 // NewCommand constructs a new cobra.Command using the given CollectorSettings.
 func NewCommand(set CollectorSettings) *cobra.Command {
 	flagSet := flags(featuregate.GlobalRegistry())