renamed metrics_client_ca.go to metrics.go

Author: copejon

pkg/components/metrics_client_ca.go pkg/components/metrics.gopkg/components/metrics_client_ca.go renamed to pkg/components/metrics.go

@@ -28,6 +28,11 @@ var metricsClientCAConsumerPaths = []string{
 
 const metricsClientCANamespace = "openshift-monitoring"
 
+// ProvisionMetricsClientCA provisions the admin-kubeconfig-signer CA that
+// kube-rbac-proxy sidecars in kube-state-metrics and node-exporter use to
+// verify client certificates on incoming scrape requests. The CA cannot be
+// included in static manifests because it is generated at MicroShift startup
+// and may be rotated; this function ensures the ConfigMap reflects the current CA.
 func ProvisionMetricsClientCA(ctx context.Context, cfg *config.Config) error {
 	needed := false
 	for _, p := range metricsClientCAConsumerPaths {