Kubernetes/Cluster/Ingress-NGINX - Revision history

Kenneth: /* change IP of ingress */

2023-12-23T04:21:23Z

change IP of ingress

Kenneth at 23:18, 22 December 2023

2023-12-22T23:18:15Z

Kenneth: /* Ingress with NGINX */

2023-12-22T22:17:04Z

Ingress with NGINX

Kenneth: Created page with "== Ingress with NGINX == Kubernetes Ingress with NGINX Ingress Controller Example https://spacelift.io/blog/kubernetes-ingress Installation Guide - Ingress-Nginx Controll..."

2023-12-22T22:08:23Z

Created page with "== Ingress with NGINX == Kubernetes Ingress with NGINX Ingress Controller Example https://spacelift.io/blog/kubernetes-ingress Installation Guide - Ingress-Nginx Controll..."

New page

== Ingress with NGINX ==

Kubernetes Ingress with NGINX Ingress Controller Example
https://spacelift.io/blog/kubernetes-ingress

Installation Guide - Ingress-Nginx Controller
https://kubernetes.github.io/ingress-nginx/deploy/

Install ingress manifest according to article #1:
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.3.0/deploy/static/provider/cloud/deploy.yaml

Install ingress manifest according to article #2:
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.8.2/deploy/static/provider/cloud/deploy.yaml

Latest release v1.9.5 as of 2023.12.22:
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.9.5/deploy/static/provider/cloud/deploy.yaml

v1.9.4 release:
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.9.4/deploy/static/provider/cloud/deploy.yaml

Or latest code:
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/cloud/deploy.yaml

To remove:
kubectl delete -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.9.5/deploy/static/provider/cloud/deploy.yaml

Get ingress-nginx pods:
kubectl get pods --namespace ingress-nginx

<pre>
# k get pods -A
NAMESPACE NAME READY STATUS RESTARTS AGE
ingress-nginx ingress-nginx-admission-create-5rwph 0/1 Completed 0 40s
ingress-nginx ingress-nginx-admission-patch-vt8rt 0/1 Completed 1 40s
ingress-nginx ingress-nginx-controller-7b498b6db5-2t8rv 1/1 Running 0 40s
</pre>

Stuck waiting for external-ip
<pre>
# kubectl get service ingress-nginx-controller --namespace=ingress-nginx
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
ingress-nginx-controller LoadBalancer 10.107.58.156 <pending> 80:31044/TCP,443:30097/TCP 6m15s
</pre>

k get service

k get service -A

kubectl rollout restart deployment ingress-nginx-controller -n ingress-nginx

------------

k get pods -A

<pre>
# k get pods -A
NAMESPACE NAME READY STATUS RESTARTS AGE
ingress-nginx ingress-nginx-admission-create-s9q5r 0/1 ContainerCreating 0 34m
ingress-nginx ingress-nginx-admission-patch-4w2pp 0/1 ContainerCreating 0 34m
ingress-nginx ingress-nginx-controller-7b498b6db5-fh5hr 0/1 ContainerCreating 0 34m
...
</pre>

# k -n ingress-nginx describe pod ingress-nginx-admission-create-s9q5r

<pre>
Warning FailedCreatePodSandBox 10m kubelet Failed to create pod sandbox: rpc error: code = Unknown desc = failed to set up sandbox container "effe0db2192b4ab7545e0cd28dee492c45caa433f71a201633015c6f0c2a1d8e" network for pod "ingress-nginx-admission-create-s9q5r": networkPlugin cni failed to set up pod "ingress-nginx-admission-create-s9q5r_ingress-nginx" network: plugin type="flannel" failed (add): failed to delegate add: failed to set bridge addr: "cni0" already has an IP address different from 10.244.3.1/24
</pre>

== change IP of ingress ==

ingress-nginx-controller

<pre>
apiVersion: v1
kind: Service
metadata:
name: somename-lb
namespace: namespace
labels:
app: someapp
spec:
type: LoadBalancer
ports:
- protocol: TCP
port: 80
targetPort: 80
name: http
selector:
app: someapp
loadBalancerIP: xxx.xxx.xxx.xxx
</pre>

Kubernetes/MetalLB - Is there a way to set an IP address for a service without individual address-pools? : kubernetes
https://www.reddit.com/r/kubernetes/comments/gy2evb/kubernetesmetallb_is_there_a_way_to_set_an_ip/

ingress-nginx-controller

<pre>
apiVersion: v1
kind: Service
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.9.4
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
externalTrafficPolicy: Local
ipFamilies:
- IPv4
ipFamilyPolicy: SingleStack
ports:
- appProtocol: http
name: http
port: 80
protocol: TCP
targetPort: http
- appProtocol: https
name: https
port: 443
protocol: TCP
targetPort: https
selector:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
type: LoadBalancer
</pre>

k get service ingress-nginx-controller -n ingress-nginx -o yaml > controller.yaml

<pre>
...
status:
loadBalancer:
ingress:
- ip: 192.168.108.80
</pre>

Edit IP address... delete service

k delete service ingress-nginx-controller -n ingress-nginx

k apply -f controller.yaml

Back in business!

← Older revision		Revision as of 23:18, 22 December 2023
Line 159:		Line 159:

	Back in business!		Back in business!
		+
		+	== Alternative - NGINX Ingress Controller ==
		+
		+	nginxinc/kubernetes-ingress: NGINX and NGINX Plus Ingress Controllers for Kubernetes
		+	https://github.com/nginxinc/kubernetes-ingress
		+
		+	NGINX Ingress Controller
		+	https://docs.nginx.com/nginx-ingress-controller/
		+
		+	There are two Nginx Ingress Controllers for k8s. What? \| by Grigor Khachatryan \| Medium
		+	https://grigorkh.medium.com/there-are-two-nginx-ingress-controllers-for-k8s-what-44c7b548e678
		+
		+	"There are two popular Kubernetes Ingress controllers that use NGINX — both are open source and hosted on GitHub. One is maintained by the Kubernetes open source community ( kubernetes/ingress-nginx on GitHub) and one is maintained by NGINX, Inc. ( nginxinc/kubernetes-ingress on GitHub)."
		+
		+	For the key difference between nginxinc/kubernetes-ingress and kubernetes/ingress-nginx Ingress controllers you can check out this table:
		+	https://gist.github.com/grigorkh/f8e4fd73e99f0fde06a51e2ed7c2156c
		+
		+	== keywords ==

@@ Line 73: / Line 73: @@
    Warning  FailedCreatePodSandBox  10m                    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to set up sandbox container "effe0db2192b4ab7545e0cd28dee492c45caa433f71a201633015c6f0c2a1d8e" network for pod "ingress-nginx-admission-create-s9q5r": networkPlugin cni failed to set up pod "ingress-nginx-admission-create-s9q5r_ingress-nginx" network: plugin type="flannel" failed (add): failed to delegate add: failed to set bridge addr: "cni0" already has an IP address different from 10.244.3.1/24
 </pre>
 == change IP of ingress ==

@@ Line 6: / Line 6: @@
   Installation Guide - Ingress-Nginx Controller
   https://kubernetes.github.io/ingress-nginx/deploy/
-−
 Install ingress manifest according to article #1:
   kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.3.0/deploy/static/provider/cloud/deploy.yaml