chore: sync API

Author: CloudNativePG Automated Updates

pkg/api/v1/cluster_types.go

@@ -110,6 +110,12 @@ const (
 	// PGBouncerPoolerUserName is the name of the role to be used for
 	PGBouncerPoolerUserName = "cnpg_pooler_pgbouncer"
 
+	// MetricsExporterUserName is the name of the dedicated role used by the
+	// metrics exporter to connect to PostgreSQL. This role has pg_monitor
+	// granted and is never a superuser, so session_user never escalates via
+	// RESET ROLE.
+	MetricsExporterUserName = "cnpg_metrics_exporter"
+
 	// MissingWALDiskSpaceExitCode is the exit code the instance manager
 	// will use to signal that there's no more WAL disk space
 	MissingWALDiskSpaceExitCode = 4