fix extra volumes and mounts

Author: puckpuck

charts/seashell/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: seashell
 description: A tool that provides a shell to debug Kubernetes workloads
 type: application
-version: 0.3.0
+version: 0.3.1
 appVersion: 0.1
 keywords:
   - debug

charts/seashell/templates/daemonset.yaml

@@ -43,12 +43,16 @@ spec:
             - name: kubernetes
               mountPath: /etc/kubernetes
               readOnly: true
-            {{- toYaml .Values.extraVolumeMounts | nindent 12}}
+            {{- with .Values.extraVolumeMounts }}
+            {{- toYaml . | nindent 12}}
+            {{- end }}
       volumes:
         - name: kubernetes
           hostPath:
             path: /etc/kubernetes
-        {{- toYaml .Values.extraVolumes | nindent 8 }}
+        {{- with .Values.extraVolumes }}
+        {{- toYaml . | nindent 8}}
+        {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}