差異處

這裏顯示兩個版本的差異處。

--- tech:rke-k8s [2021/04/07 19:03] – jonathan
+++ tech:rke-k8s [2022/07/19 16:55] (目前版本) – [關閉 rke (移除 K8s Cluster)] jonathan
@@ 行 53: / 行 53: @@
 ===== 安裝 rke 與建立 K8s Cluster =====
+  * 參考 - https://github.com/rancher/rke/releases/
   * 下載 rke 1.2.7 <cli>
 wget https://github.com/rancher/rke/releases/download/v1.2.7/rke_linux-amd64
@@ 行 61: / 行 62: @@
   * 產生 rke 配置 K8s Cluster 檔<cli>
 rke config --name cluster.yml
-</cli>++看輸入資訊|<cli>
+</cli>
+  * ++看輸入資訊|<cli>
 localadmin@Cori-test3:~$ rke config --name cluster.yml
 [+] Cluster Level SSH Private Key Path [~/.ssh/id_rsa]:
@@ 行 94: / 行 96: @@
 [+] Authentication Strategy [x509]:
 [+] Authorization Mode (rbac, none) [rbac]:
-[+] Kubernetes Docker image [rancher/hyperkube:v1.20.5-rancher1]: rancker/jyperkube:v1.18.17-rancher1-1
+[+] Kubernetes Docker image [rancher/hyperkube:v1.20.5-rancher1]: rancher/hyperkube:v1.18.17-rancher1
 [+] Cluster domain [cluster.local]: iiidevops-k8s
 [+] Service Cluster IP Range [10.43.0.0/16]:
@@ 行 104: / 行 106: @@
   * 檢視與編輯 cluster.yml 內容<file>
 nodes:
-- address: "10.20.0.35"
+- address: 10.20.0.35
   port: "22"
-  internal_address: "10.20.0.35"
+  internal_address: 10.20.0.35
   role:
   - controlplane
   - worker
   - etcd
-  hostname_override: "Cori-test3"
+  hostname_override: ""
+  user: rkeuser
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: ~/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+- address: 10.20.0.37
+  port: "22"
+  internal_address: 10.20.0.37
+  role:
+  - worker
+  hostname_override: ""
   user: rkeuser
   docker_socket: /var/run/docker.sock
@@ 行 122: / 行 138: @@
 services:
   etcd:
+    image: ""
 :
 :
 </file>
+  * 開始執行安裝 <cli>
+rke up --config cluster.yml
+</cli> 因為要下載一些 images 需要等一些時間才會完成, 最後應該可以看到類似以下的訊息<cli>
+:
+INFO[0378] [addons] Executing deploy job rke-ingress-controller
+INFO[0405] [ingress] ingress controller nginx deployed successfully
+INFO[0405] [addons] Setting up user addons
+INFO[0405] [addons] no user addons defined
+INFO[0405] Finished building Kubernetes cluster successfully
+</cli>
+  * 將產生的檔案備份起來 <cli>
+$ ls -lt
+total 4476
+-rw-r-----  1 localadmin localadmin  105805 Apr  7 19:18 cluster.rkestate
+-rw-r-----  1 localadmin localadmin    5381 Apr  7 19:13 kube_config_cluster.yml
+-rw-r-----  1 localadmin localadmin    5653 Apr  7 19:12 cluster.yml
+</cli>
+  * 複製 kubeconfig 檔案及驗證 kubeconfig 檔案<cli>
+cp kube_config_cluster.yml ~/.kube/config
+kubectl get nodes
+</cli>如果沒問題應該會出現類似以下的訊息<cli>
+$ kubectl get node
+NAME         STATUS   ROLES                      AGE     VERSION
+.20.0.35   Ready    controlplane,etcd,worker   7m52s   v1.18.17
+.20.0.37   Ready    worker                     7m47s   v1.18.17
+</cli>
+===== 新增與移除 K8s Node ====
+  * 只要修改 cluster.yml 節點資料, 再執行以下指令即可 <cli>rke up --update-only --config cluster.yml </cli>
+  * Exp. 加上 10.20.0.36
+    * 前面所有節點準備程序都要進行
+    * 修改 cluster.yml <file>
+nodes:
+- address: 10.20.0.35
+  port: "22"
+  internal_address: 10.20.0.35
+  role:
+  - controlplane
+  - worker
+  - etcd
+  hostname_override: ""
+  user: rkeuser
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: ~/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+- address: 10.20.0.36
+  port: "22"
+  internal_address: 10.20.0.36
+  role:
+  - worker
+  hostname_override: ""
+  user: rkeuser
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: ~/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+- address: 10.20.0.37
+  port: "22"
+  internal_address: 10.20.0.37
+  role:
+  - worker
+  hostname_override: ""
+  user: rkeuser
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: ~/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+services:
+  etcd:
+:
+:
+</file>
+  * 執行更新 <cli>
+rke up --update-only --config cluster.yml
+</cli>
+===== 關閉 rke (移除 K8s Cluster) ====
+  * 直接執行 rke remove 就會將 K8s 移除 <cli>
+rke remove --config cluster.yml
+</cli>
+  * 執行後原本運行中的 rancher 服務還會持續運行, 可以透過重新開機解決
 ===== 參考網址 =====
   * https://www.mdeditor.tw/pl/glor/zh-tw
+  * https://rancher.com/docs/rke/latest/en/managing-clusters/
-{{tag>RKE K8s}}
+{{tag>Rancher RKE K8s}}