学习k8s

k8s/copy.sh

@@ -1,3 +1,3 @@
-mkdir ~/.kube
+# mkdir ~/.kube
 
 cp ./config ~/.kube/config

k8s/kevisual.cn/config/master-token.md

@@ -4,7 +4,7 @@ K109668b353a17ff6ea9d68535255f880cf583c5c83c357d181ac5f963505033af4::server:f95b
 
 ```sh
 
-curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn K3S_URL=https://kevisual.cn:6443 K3S_TOKEN=K109668b353a17ff6ea9d68535255f880cf583c5c83c357d181ac5f963505033af4::server:f95b219abcfe507760f04ff88be52ccd sh -
+curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn K3S_URL=https://kevisual.cn:6443 K3S_TOKEN=K109668b353a17ff6ea9d68535255f880cf583c5c83c357d181ac5f963505033af4::server:f95b219abcfe507760f04ff88be52ccd sh - --pause-image=docker.m.daocloud.io/rancher/mirrored-pause:3.9
 
 ```
 会输出类似

k8s/readme.md

@@ -0,0 +1,11 @@
+# 设置默认 context
+```sh
+kubectl config use-context <context-name>
+
+
+kubectl config use-context dev-context
+```
+
+# 查看节点信息
+```sh
+kubectl get nodes -o wide

k8s/xiongxiao.me/config/env.md

@@ -0,0 +1,3 @@
+```sh
+cat /etc/systemd/system/k3s.service.env
+```

k8s/xiongxiao.me/config/master-token.md

@@ -25,3 +25,31 @@ kubectl label nodes on machine=on --overwrite
 ### light
 
 kubectl label nodes light machine=light --overwrite
+
+
+## 关于非内网需要设置实际ip地址
+
+```sh
+# aliyun, ip: 121.199.37.154
+curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn  K3S_NODE_IP=121.199.37.154 K3S_NODE_EXTERNAL_IP=121.199.37.154 K3S_URL=https://light.xiongxiao.me:6443 K3S_TOKEN=K1035ea36d4925cfd0a7f7938fb3eff1225e458c1aee4fb99bda40bb95f529913bf::server:03e3ef7d17dadc2471b0f2369248250d sh -
+--pause-image=docker.m.daocloud.io/rancher/mirrored-pause:3.9
+
+
+kubectl label nodes aliyun machine=aliyun --overwrite
+
+```
+
+手动创建配置文件
+```sh
+# 停止 k3s-agent 服务
+sudo systemctl stop k3s-agent
+
+# 编辑配置文件
+sudo vim /etc/systemd/system/k3s-agent.service.env
+
+# 重新加载 systemd 配置
+sudo systemctl daemon-reload
+
+# 启动服务
+sudo systemctl start k3s-agent
+```

k8s/xiongxiao.me/config/registry.md

@@ -63,11 +63,11 @@ sudo systemctl restart containerd
 sudo ctr image pull docker.io/library/verdaccio:latest
 
 # K3s 使用 k8s.io 命名空间
-sudo ctr -n k8s.io images pull docker.m.daocloud.io/rancher/mirrored-pause:3.6
+sudo ctr -n k8s.io images pull docker.m.daocloud.io/rancher/mirrored-pause:3.9
 
-sudo ctr -n k8s.io images tag docker.m.daocloud.io/rancher/mirrored-pause:3.6 docker.io/rancher/mirrored-pause:3.6
+sudo ctr -n k8s.io images tag docker.m.daocloud.io/rancher/mirrored-pause:3.9 docker.io/rancher/mirrored-pause:3.9
 
-sudo ctr -n k8s.io images delete docker.m.daocloud.io/rancher/mirrored-pause:3.6
+sudo ctr -n k8s.io images delete docker.m.daocloud.io/rancher/mirrored-pause:3.9
 
 
 # 查看镜像

k8s/xiongxiao.me/docs/00-master.md

@@ -10,7 +10,9 @@ sudo cat /var/lib/rancher/k3s/server/node-token
 
 ## 2. 安装 node
 ```sh
-curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn K3S_URL=https://myserver:6443 K3S_TOKEN=mynodetoken sh -
+curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh |
+ INSTALL_K3S_MIRROR=cn K3S_URL=https://myserver:6443 K3S_TOKEN=mynodetoken sh - - \
+ --system-default-registry=registry.cn-hangzhou.aliyuncs.com
 ```
 
 ## 3. 删除 

k8s/xiongxiao.me/test/hello/hello.yaml

@@ -0,0 +1,62 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-world
+  labels:
+    app: hello-world
+spec:
+  selector:
+    matchLabels:
+      app: hello-world
+  template:
+    metadata:
+      labels:
+        app: hello-world
+    spec:
+      nodeSelector:
+        machine: aliyun
+      containers:
+      - name: hello
+        image: docker.cnb.cool/kevisual/hello
+        ports:
+        - containerPort: 80
+          protocol: TCP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello-world
+  labels:
+    app: hello-world
+spec:
+  selector:
+    app: hello-world
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+      nodePort: 30081
+  type: NodePort
+
+# http://121.199.37.154:30081/
+
+#  1.查看 Deployment 状态：
+# kubectl get deployment hello-world
+# kubectl logs deployment/hello-world
+# 2. 查看 Pod 状态：
+# kubectl get pods -l app=hello-world
+
+# 3.查看 Pod 详细信息（包括事件）：
+# kubectl describe pod -l app=hello-world
+
+# 4. delete all
+# kubectl delete -f hello.yaml
+
+# 5. delete pod
+# kubectl delete pod -l app=hello-world
+
+# 6. rollupdate
+# kubectl set image deployment/hello-world hello=docker.cnb.cool/kevisual/hello:latest
+
+# 7. 进入 Pod
+# kubectl exec -it deployment/hello-world -- /bin/sh