feat: warn the user of the deprecation of load-balancer-ip

Warn the chart's user of the deprecation of the Service loadBalacerIP field since Kubernetes v1.24.
stakater · Jan 7, 2024 · 5488bbc · 5488bbc
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diff --git a/application/templates/NOTES.txt b/application/templates/NOTES.txt
@@ -0,0 +1,8 @@
+{{- if .Values.service.loadBalancerIP }}
+service.loadBalancerIP:
+  You have defined the value of service.loadBalancerIP for this release. Please
+  be mindful that this field has been deprecated as of Kubernetes v1.24 and may
+  be removed from the API in a later release.
+
+  Please refer to the Kubernetes documentation for more information.
+{{- end }}
diff --git a/application/tests/notes_test.yaml b/application/tests/notes_test.yaml
@@ -0,0 +1,19 @@
+suite: NOTES.txt
+
+templates:
+  - NOTES.txt
+
+tests:
+  - it: warns the user of the deprecation of loadBalancerIP
+    set:
+      service.loadBalancerIP: 1.1.1.1
+    asserts:
+      - matchRegexRaw:
+          pattern: 'service.loadBalancerIP:'
+
+  - it: does not emit a warning for loadBalancerIP when not set
+    set:
+      service.loadBalancerIP: null
+    asserts:
+      - notMatchRegexRaw:
+          pattern: 'service.loadBalancerIP:'