Set sensible defaults for resources limts

Author: AMecea

pkg/apis/mysql/v1alpha1/mysqlcluster_defaults.go

@@ -76,12 +76,24 @@ func (c *MysqlCluster) setPodSpecDefaults(spec *PodSpec) {
 		}
 	}
 
+	if len(spec.MetricsExporterResources.Limits) == 0 {
+		spec.MetricsExporterResources.Limits = corev1.ResourceList{
+			corev1.ResourceCPU:    resource.MustParse("100m"),
+			corev1.ResourceMemory: resource.MustParse("128Mi"),
+		}
+	}
+
 	if len(spec.MySQLOperatorSidecarResources.Requests) == 0 {
 		spec.MySQLOperatorSidecarResources.Requests = corev1.ResourceList{
 			corev1.ResourceCPU:    resource.MustParse("10m"),
 			corev1.ResourceMemory: resource.MustParse("64Mi"),
 		}
 	}
+
+	if len(spec.MySQLOperatorSidecarResources.Limits) == 0 {
+		// for the sidecar set the same limits as for mysql
+		spec.MySQLOperatorSidecarResources.Limits = spec.Resources.Limits
+	}
 }
 
 // SetDefaults for VolumeSpec

pkg/controller/mysqlcluster/internal/syncer/statefullset.go

@@ -658,6 +658,7 @@ func (s *sfsSyncer) ensureResources(name string) core.ResourceRequirements {
 
 	case containerSidecarName:
 		return s.cluster.Spec.PodSpec.MySQLOperatorSidecarResources
+
 	}
 
 	return core.ResourceRequirements{