From 0cf2308b83729090b1bcebe9077da0cae159636f Mon Sep 17 00:00:00 2001
From: Sebastiaan van Steenis <mail@superseb.nl>
Date: Mon, 16 Dec 2019 16:53:17 +0100
Subject: [PATCH] Add more ingress controller debug

---
 .../kubernetes-resources/_index.md               | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/content/rancher/v2.x/en/troubleshooting/kubernetes-resources/_index.md b/content/rancher/v2.x/en/troubleshooting/kubernetes-resources/_index.md
index 06d63135786..c8eae70b743 100644
--- a/content/rancher/v2.x/en/troubleshooting/kubernetes-resources/_index.md
+++ b/content/rancher/v2.x/en/troubleshooting/kubernetes-resources/_index.md
@@ -112,6 +112,22 @@ kubectl -n ingress-nginx logs -l app=ingress-nginx
 kubectl -n ingress-nginx get events
 ```
 
+#### Debug logging
+
+To enable debug logging:
+
+```
+kubectl -n ingress-nginx patch ds nginx-ingress-controller --type='json' -p='[{"op": "add", "path": "/spec/template/spec/containers/0/args/-", "value": "--v=5"}]'
+```
+
+#### Check configuration
+
+Retrieve generated configuration in each pod:
+
+```
+kubectl -n ingress-nginx get pods -l app=ingress-nginx --no-headers -o custom-columns=.NAME:.metadata.name | while read pod; do kubectl -n ingress-nginx exec $pod -- cat /etc/nginx/nginx.conf; done
+```
+
 ### Rancher agents
 
 Communication to the cluster (Kubernetes API via `cattle-cluster-agent`) and communication to the nodes (cluster provisioning via `cattle-node-agent`) is done through Rancher agents.