1) Handle per-cluster sidecars 2) Add this option to operator CRD 3) ad parsing for proepr comparison

pkg/util/util.go

@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/motomux/pretty"
+	resource "k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	"github.com/zalando-incubator/postgres-operator/pkg/spec"
@@ -127,3 +128,19 @@ func Coalesce(val, defaultVal string) string {
 	}
 	return val
 }
+
+// RequestIsSmallerThanLimit
+func RequestIsSmallerThanLimit(requestStr, limitStr string) bool {
+
+	request, err := resource.ParseQuantity(requestStr)
+	if err != nil {
+
+	}
+
+	limit, err2 := resource.ParseQuantity(requestStr)
+	if err2 != nil {
+
+	}
+
+	return request.Cmp(limit) == -1
+}