From 07d7f45e64e066173954bbca4036017bfb4385e7 Mon Sep 17 00:00:00 2001
From: Udo Waechter <udo@maketank.net>
Date: Thu, 12 Jan 2023 20:53:46 +0100
Subject: [PATCH] other stings

---
 _CI-CD/tektoncd-kaniko-task.yaml |  9 ++++
 _sys/README.md                   | 84 ++++++++++++++++++++++++++++++++
 _sys/coredns-deployment.yaml     |  2 +-
 3 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/_CI-CD/tektoncd-kaniko-task.yaml b/_CI-CD/tektoncd-kaniko-task.yaml
index bb4dc72..035dc80 100644
--- a/_CI-CD/tektoncd-kaniko-task.yaml
+++ b/_CI-CD/tektoncd-kaniko-task.yaml
@@ -46,6 +46,15 @@ spec:
     description: Digest of the image just built.
 
   steps:
+  - name: debug
+    workingDir: $(workspaces.source.path)
+    image: bash
+    script: |
+      #!/usr/bin/env bash
+      export
+      pwd
+      mount
+      ls -al
   - name: build-and-push
     workingDir: $(workspaces.source.path)
     image: $(params.BUILDER_IMAGE)
diff --git a/_sys/README.md b/_sys/README.md
index 6922cc0..90b0509 100644
--- a/_sys/README.md
+++ b/_sys/README.md
@@ -1,3 +1,87 @@
+Upgrade:
+
+```
+export KV=1.26.0-00;
+apt-mark unhold kubeadm=$KV kubectl=$KV kubelet=$KV;
+apt install -y kubeadm=$KV;
+```
+
+```
+kubeadm upgrade node #Other pines in the wood
+```
+
+```
+#pine01
+kubeadm upgrade plan --ignore-preflight-errors=CoreDNSUnsupportedPlugins;
+kubeadm config images pull;
+kubeadm upgrade apply ${KV/\-*/} --ignore-preflight-errors=CoreDNSUnsupportedPlugins --certificate-renewal=false; #sometimes true
+```
+
+```
+apt install kubectl=$KV kubelet=$KV;
+systemctl daemon-reload && systemctl restart kubelet;
+apt-mark hold kubeadm=$KV kubectl=$KV kubelet=$KV;
+echo 'You can now uncordon, der Geraet'; 
+```
+
+
+
+# Infos:
+
+```
+$ kubectl -n kube-system get cm kubeadm-config -o yaml
+apiVersion: v1
+data:
+  ClusterConfiguration: |
+    apiServer:
+      extraArgs:
+        authorization-mode: Node,RBAC
+      timeoutForControlPlane: 4m0s
+    apiVersion: kubeadm.k8s.io/v1beta3
+    certificatesDir: /etc/kubernetes/pki
+    clusterName: kubernetes
+    controllerManager: {}
+    dns: {}
+    etcd:
+      local:
+        dataDir: /var/lib/etcd
+    imageRepository: registry.k8s.io
+    kind: ClusterConfiguration
+    kubernetesVersion: v1.23.15
+    networking:
+      dnsDomain: cluster.local
+      podSubnet: 172.23.0.0/16
+      serviceSubnet: 10.96.0.0/12
+    scheduler: {}
+  ClusterStatus: |
+    apiEndpoints:
+      pine01:
+        advertiseAddress: 172.16.23.21
+        bindPort: 6443
+    apiVersion: kubeadm.k8s.io/v1beta2
+    kind: ClusterStatus
+kind: ConfigMap
+metadata:
+  creationTimestamp: "2021-01-20T14:55:12Z"
+  managedFields:
+  - apiVersion: v1
+    fieldsType: FieldsV1
+    fieldsV1:
+      f:data:
+        .: {}
+        f:ClusterConfiguration: {}
+        f:ClusterStatus: {}
+    manager: kubeadm
+    operation: Update
+    time: "2021-01-20T14:55:12Z"
+  name: kubeadm-config
+  namespace: kube-system
+  resourceVersion: "441685033"
+  uid: c70fefd3-02c3-44c8-a37d-7b17ec445455
+```
+
+
+
 Descheduler (reschedule pods)
 # https://github.com/kubernetes-sigs/descheduler
 # kubectl apply -n kube-system -f https://raw.githubusercontent.com/kubernetes-sigs/descheduler/master/kubernetes/base/rbac.yaml
diff --git a/_sys/coredns-deployment.yaml b/_sys/coredns-deployment.yaml
index 4b762c7..8134e18 100644
--- a/_sys/coredns-deployment.yaml
+++ b/_sys/coredns-deployment.yaml
@@ -84,8 +84,8 @@ spec:
 ---
 apiVersion: apps/v1
 kind: Deployment
-name: coredns
 metadata:
+  name: coredns
   labels:
     k8s-app: kube-dns
 spec: