Add default backend in ingress nginx controller

Sem-Ver: fix
Change-Id: Iec6852ce716a1d5a1de1e8fb33be9d38a2219145
diff --git a/releasenotes/notes/ingress_nginx-enable-defaultBackend-87a0a88a36710b38.yaml b/releasenotes/notes/ingress_nginx-enable-defaultBackend-87a0a88a36710b38.yaml
new file mode 100644
index 0000000..11b4e91
--- /dev/null
+++ b/releasenotes/notes/ingress_nginx-enable-defaultBackend-87a0a88a36710b38.yaml
@@ -0,0 +1,3 @@
+---
+fixes:
+  - Add default backend in ingress nginx controller
diff --git a/roles/ingress_nginx/tasks/main.yml b/roles/ingress_nginx/tasks/main.yml
index 6436383..0c886ad 100644
--- a/roles/ingress_nginx/tasks/main.yml
+++ b/roles/ingress_nginx/tasks/main.yml
@@ -37,3 +37,5 @@
           type: ClusterIP
         admissionWebhooks:
           port: 7443
+      defaultBackend:
+        enabled: true