diff --git a/provider/kubernetes/common.go b/provider/kubernetes/common.go
new file mode 100644
index 00000000..b5ba5ba7
--- /dev/null
+++ b/provider/kubernetes/common.go
@@ -0,0 +1,30 @@
+package kubernetes
+
+import (
+	"strings"
+)
+
+func addImageToPull(annotations map[string]string, image string) map[string]string {
+	existing, ok := annotations[forceUpdateImageAnnotation]
+	if ok {
+		annotations[forceUpdateImageAnnotation] = existing + "," + image
+		return annotations
+	}
+	annotations[forceUpdateImageAnnotation] = image
+	return annotations
+}
+
+func shouldPullImage(annotations map[string]string, image string) bool {
+	imagesStr, ok := annotations[forceUpdateImageAnnotation]
+	if !ok {
+		return false
+	}
+
+	images := strings.Split(imagesStr, ",")
+	for _, img := range images {
+		if img == image {
+			return true
+		}
+	}
+	return false
+}