Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- it-wiki:kubernetes:change_cluster_network [2023/10/05 12:00] – [Changing the default ip range] marko
+++ it-wiki:kubernetes:change_cluster_network [2023/10/05 12:03] (aktuell) – [Changing the default ip range] marko
@@ Zeile 18: / Zeile 18: @@
 /etc/kubernetes/manifests/kube-controller-manager.yaml
 </code>
-modified the kubeadm-conf: Adding certSANs:
-{{ :it-wiki:kubernetes:wg5cw.png?nolink |}}
-Changing netwokring:
-{{ :it-wiki:kubernetes:ij68w.png?nolink |}}
 Backup the apiserver cert files:
@@ Zeile 40: / Zeile 34: @@
 <code bash>
 kubectl get svc -A |grep dns
+</code>
 change entry in
@@ Zeile 50: / Zeile 44: @@
 and change init.yml file
-<code bash
+<code bash>
 networking:
   serviceSubnet: 172.30.0.0/16
@@ Zeile 57: / Zeile 51: @@
 # change kubelet config
+<code bash>
 kubectl -n kube-system edit cm kubelet-config
 </code>
@@ Zeile 71: / Zeile 66: @@
 After doing this in all master nodes and rebooting I can see that the services are using 172.26.0.0/16 range.
-Probably it will give an error for 172.26.0.1 as this ip is not recognized by the PKI.
-In k8s 1.12 it can be fixed using:
-<code bash>
-kubeadm alpha phase certs all --apiserver-advertise-address 0.0.0.0
---apiserver-cert-extra-sans=<leaderip>,<newserviceip>
-</code>