> For the complete documentation index, see [llms.txt](https://anida-huang.gitbook.io/cloud-communication/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://anida-huang.gitbook.io/cloud-communication/qi-mo/20201215-kubernetes-san.md). # 20201215 kubernetes (三) ## 課堂資訊 {% embed url="" %} {% embed url="" %} | Proxy Server | Proxy | | ------------ | ----- | | 正向代理伺服器 | 客戶端 | | 反向代理伺服器 | 服務器 | ### Ingress ![工作示意圖](/files/-MOt5Fnuy0ld67LIboGY) ## 課堂練習 ### Ingress {% tabs %} {% tab title="vm1" %} > #### 創建部署 ``` cd test-ingress-nginx ``` ``` kubectl apply -f mandatory.yaml ``` ``` kubectl apply -f service-nodeport.yaml ``` ``` ls ``` ``` gedit service-nodeport.yaml mandatory.yaml & ``` ![](/files/-MOt8AbskTZ9ChmKyD9S) ``` kubectl get deployment ``` ``` kubectl get deployment -n ingress-nginx ``` ``` kubectl get svc -n ingress-nginx ``` ``` kubectl get pods -n ingress-nginx ``` ![](/files/-MOt8TKLVLU7gmzhXNQO) > #### 創建 Ingress，代理到後端 nginx 服務 ``` kubectl get deployment ``` ``` kubectl delete deployment myweb ``` ``` kubectl delete svc myweb ``` ``` kubectl get svc ``` ``` kubectl apply -f httpd.yaml ``` ``` gedit httpd.yaml ``` ``` kubectl get deployment ``` ``` kubectl get svc ``` ``` gedit ingress-httpd.yaml ``` {% hint style="info" %} modify`serviceName` to`httpd` {% endhint %} ![](/files/-MOtEezKnINEa-YniNLQ) ``` curl [httpd_CLUSTER-IP] ``` ``` kubectl apply -f ingress-httpd.yaml ``` ``` kubectl get ingress ``` ``` kubectl get svc ``` ``` kubectl get pod -n ingress-nginx ``` ``` kubectl get pod -n ingress-nginx -o wide ``` ![](/files/-MOtHOvS-k-zXWcaJsBW) {% hint style="info" %} modify`C:\Windows\System32\drivers\etc` 中的`hosts` ``` 192.168.8.130 www.a.com 192.168.8.131 www.a.com ``` {% endhint %} ![](/files/-MOtIYQ_2ecK69Ne5GXK) ``` kubectl get pod ``` ![](/files/-MOtNEYWmk2tyOgdQd3r) ``` kubectl get pod -o wide ``` ``` kubectl exec [vm3_httpdName] -it -- bash ``` ``` cd htdocs/ ``` ``` echo "vm3 www.a.com" > hi.htm ``` ``` ls ``` ``` exit ``` ![](/files/-MOtNSdui-bbX4_wNlNO) ``` kubectl exec [vm2_httpdName] -it -- bash ``` ``` cd htdocs/ ``` ``` echo "vm2 www.a.com" > hi.htm ``` ``` ls ``` ``` exit ``` ![](/files/-MOtOBZCbPiVh9o_bR8l) ``` cp httpd.yaml httpd2.yaml ``` ``` cp ingress-httpd.yaml ingress-httpd2.yaml ``` ``` gedit httpd2.yaml ingress-httpd2.yaml ``` ![](/files/-MOtVR-qhNgras_UBODJ) ![](/files/-MOtV-MNGZ-Yk62abHQV) ``` kubectl apply -f httpd2.yaml ``` ``` kubectl apply -f ingress-httpd2.yaml ``` ``` kubectl get ingress ``` ``` kubectl get pod ``` ``` kubectl exec [http2_Name] -it -- bash ``` ``` cd htdocs/ ``` ``` echo "www.b.com" > hi.htm ``` ![](/files/-MOtW1wHC6KTpMJkjn19) > #### Deployment ``` kubectl get deployment ``` ``` kubectl describe deployment httpd ``` ![](/files/-MOtXKNVNpO9gXTZIp24) ``` kubectl get replicaset ``` ``` kubectl get deployment httpd2 ``` ``` kubectl edit deployment httpd2 ``` ``` cd ``` ``` ls ``` ![](/files/-MOta1VIQCoRCltc7VPz) ``` kubectl apply -f cronjob.yml ``` ``` kubectl get pod ``` ``` cat cronjob.yml ``` ``` kubectl get pod -o wide ``` ![](/files/-MOtcaRrCRzHIj3swQCb) {% endtab %} {% endtabs %}