From 293b54efd335eb0b3c0f2099048816c75023893e Mon Sep 17 00:00:00 2001
From: ajanikow <12255597+ajanikow@users.noreply.github.com>
Date: Wed, 7 Oct 2020 18:52:02 +0000
Subject: [PATCH] Allow replace on empty annotations

---
 CHANGELOG.md               | 1 +
 pkg/util/collection/map.go | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index be3f58991..9b8a3a553 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [master](https://github.com/arangodb/kube-arangodb/tree/master) (N/A)
 - Fix Panics in Deployments without authentication
 - Fix ChaosMonkey mode
+- Allow append on empty annotations
 
 ## [1.0.8](https://github.com/arangodb/kube-arangodb/tree/1.0.8) (2020-09-10)
 - Fix Volume rotation on AKS
diff --git a/pkg/util/collection/map.go b/pkg/util/collection/map.go
index b8b644a23..cef8da796 100644
--- a/pkg/util/collection/map.go
+++ b/pkg/util/collection/map.go
@@ -160,6 +160,9 @@ func getFieldPatch(mode api.LabelsMode, section string, expected map[string]stri
 	case api.LabelsDisabledMode:
 		break
 	case api.LabelsAppendMode:
+		if len(actual) == 0 {
+			return patch.NewPatch(patch.ItemReplace(patch.NewPath("metadata", section), expected))
+		}
 		for e, v := range expected {
 			if a, ok := actual[e]; !ok {
 				p.ItemAdd(patch.NewPath("metadata", section, e), v)
@@ -168,6 +171,9 @@ func getFieldPatch(mode api.LabelsMode, section string, expected map[string]stri
 			}
 		}
 	case api.LabelsReplaceMode:
+		if len(actual) == 0 {
+			return patch.NewPatch(patch.ItemReplace(patch.NewPath("metadata", section), expected))
+		}
 		for e, v := range expected {
 			if a, ok := actual[e]; !ok {
 				p.ItemAdd(patch.NewPath("metadata", section, e), v)