查看运行中pod，并运行一个容器
[root@mast-1 k8s]# kubectl get pods No resources found. [root@mast-1 k8s]# kubectl run Nginx --image=Nginx 运行Nginx容器 kubectl run --generator=deployment/apps.v1beta1 is DEPRECATED and will be removed i n a future version. Use kubectl create instead.deployment.apps/Nginx created [root@mast-1 k8s]# kubectl get pods NAME READY STATUS RESTARTS AGE Nginx-dbddb74b8-h59k2 0/1 ContainerCreating 0 3s [root@mast-1 k8s]# kubectl get all 查看运行所有的资源 NAME READY STATUS RESTARTS AGE pod/Nginx-dbddb74b8-h59k2 1/1 Running 0 85s NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/kubernetes ClusterIP 10.0.0.1 <none> 443/TCP 8h NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE deployment.apps/Nginx 1 1 1 1 86s NAME DESIRED CURRENT READY AGE replicaset.apps/Nginx-dbddb74b8 1 1 1 86s [root@mast-1 k8s]# kubectl get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes ClusterIP 10.0.0.1 <none> 443/TCP 8h Nginx NodePort 10.0.0.82 <none> 80:31330/TCP 103s
两个节点访问同一个容器
[root@node-1 kubernetes]# curl 10.0.0.82:80 <!DOCTYPE html> <html> <head> <title>Welcome to Nginx!</title> <style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>Welcome to Nginx!</h1> <p>If you see this page, the Nginx web server is successfully installed and working. Further configuration is required.</p> <p>For online documentation and support please refer to <a href="http://Nginx.org/">Nginx.org</a>.<br/> Commercial support is available at <a href="http://Nginx.com/">Nginx.com</a>.</p> <p><em>Thank you for using Nginx.</em></p> </body> </html> [root@node-2 cfg]# curl 10.0.0.82:80 <!DOCTYPE html> <html> <head> <title>Welcome to Nginx!</title> <style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>Welcome to Nginx!</h1> <p>If you see this page, the Nginx web server is successfully installed and working. Further configuration is required.</p> <p>For online documentation and support please refer to <a href="http://Nginx.org/">Nginx.org</a>.<br/> Commercial support is available at <a href="http://Nginx.com/">Nginx.com</a>.</p> <p><em>Thank you for using Nginx.</em></p> </body> </html>
浏览器里访问两个node任意的IP:31330端口
master 节点查看日志，报错并解决
[root@mast-1 k8s]# kubectl get pods NAME READY STATUS RESTARTS AGE Nginx-dbddb74b8-h59k2 1/1 Running 2 33m [root@mast-1 k8s]# kubectl logs Nginx-dbddb74b8-h59k2 error: You must be logged in to the server (the server has asked for the client to provide credentials ( pods/log Nginx-dbddb74b8-h59k2)) [root@node-1 kubernetes]# cat cfg/kubelet.config kind: KubeletConfiguration apiVersion: kubelet.config.k8s.io/v1beta1 address: 192.168.10.13 port: 10250 cgroupDriver: cgroupfs clusterDNS: - 10.0.0.2 clusterDomain: cluster.local. failSwapOn: false --------------添加下面参数----- authentication: anonymous: enabled: true [root@node-2 cfg]# vi kubelet.config kind: KubeletConfiguration apiVersion: kubelet.config.k8s.io/v1beta1 address: 192.168.10.14 port: 10250 cgroupDriver: cgroupfs clusterDNS: - 10.0.0.2 clusterDomain: cluster.local. failSwapOn: false ---------------------------- authentication: anonymous: enabled: true 重启 [root@node-1 kubernetes]# systemctl restart kubelet.service [root@node-2 cfg]# systemctl restart kubelet.service [root@mast-1 k8s]# kubectl create clusterrolebinding cluster-system-anonymous --clusterrole=cluster-admin --user=system:anonymous clusterrolebinding.rbac.authorization.k8s.io/cluster-system-anonymous created [root@mast-1 k8s]# kubectl logs Nginx-dbddb74b8-h59k2 10.0.0.82 - - [23/Apr/2019:09:59:53 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.29.0" "-" 10.0.0.82 - - [23/Apr/2019:10:02:55 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.29.0" "-" 172.17.82.0 - - [23/Apr/2019:10:03:11 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.29.0" "-" 172.17.8.1 - - [23/Apr/2019:10:06:41 +0000] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3554.0 Safari/537.36" "-" 2019/04/23 10:06:49 [error] 6#6: *4 open() "/usr/share/Nginx/html/favicon.ico" Failed (2: No such file or directory), client: 172.17.8.1, server: localhost, request: "GET /favicon.ico HTTP/1. 1", host: "192.168.10.13:31330", referrer: "http://192.168.10.13:31330/"172.17.8.1 - - [23/Apr/2019:10:06:49 +0000] "GET /favicon.ico HTTP/1.1" 404 556 "http://192.168.10.13:31330/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrom e/71.0.3554.0 Safari/537.36" "-"
动态查看
[root@mast-1 k8s]# kubectl logs Nginx-dbddb74b8-h59k2 -f 10.0.0.82 - - [23/Apr/2019:09:59:53 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.29.0" "-" 10.0.0.82 - - [23/Apr/2019:10:02:55 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.29.0" "-" 172.17.82.0 - - [23/Apr/2019:10:03:11 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.29.0" "-" 172.17.8.1 - - [23/Apr/2019:10:06:41 +0000] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3554.0 Safari/537.36" "-" 2019/04/23 10:06:49 [error] 6#6: *4 open() "/usr/share/Nginx/html/favicon.ico" Failed (2: No such file or directory), client: 172.17.8.1, server: localhost, request: "GET /favicon.ico HTTP/1. 1", host: "192.168.10.13:31330", referrer: "http://192.168.10.13:31330/"172.17.8.1 - - [23/Apr/2019:10:06:49 +0000] "GET /favicon.ico HTTP/1.1" 404 556 "http://192.168.10.13:31330/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrom e/71.0.3554.0 Safari/537.36" "-"
