fix(common): no name, no namespace? Trash! (#28385)

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- [ ] 🪛 Bugfix
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- [ ] ⚖️ My code follows the style guidelines of this project
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---------

Signed-off-by: Kjeld Schouten <[email protected]>

charts/library/common/Chart.yaml

@@ -48,4 +48,4 @@ sources:
   - https://hub.docker.com/r/mikefarah/yq
   - https://hub.docker.com/r/traefik/whoami
 type: library
-version: 25.1.2
+version: 25.1.3

charts/library/common/templates/lib/ingress/integrations/_traefik.tpl

@@ -65,10 +65,12 @@
 
       {{/* Parse look-ed up middlewares */}}
       {{- range $m := $lookupMiddlewares -}}
-        {{- $name := $m.metadata.name -}}
-        {{- $namespace := $m.metadata.namespace -}}
-        {{/* Create a smaller list with only the data we want */}}
-        {{- $parsedMiddlewares = mustAppend $parsedMiddlewares (dict "name" $name "namespace" $namespace) -}}
+        {{ if and $m.metadata.name $m.metadata.namespace -}}
+          {{- $name := $m.metadata.name -}}
+          {{- $namespace := $m.metadata.namespace -}}
+          {{/* Create a smaller list with only the data we want */}}
+          {{- $parsedMiddlewares = mustAppend $parsedMiddlewares (dict "name" $name "namespace" $namespace) -}}
+        {{- end -}}
       {{- end -}}
     {{- end -}}