# 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 %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://anida-huang.gitbook.io/cloud-communication/qi-mo/20201215-kubernetes-san.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.