[root@hdss7-11 03-ingress]# kubectl apply -f 01-ingress.yaml
namespace/ingress-nginx created
serviceaccount/ingress-nginx created
configmap/ingress-nginx-controller created
clusterrole.rbac.authorization.k8s.io/ingress-nginx created
clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx created
role.rbac.authorization.k8s.io/ingress-nginx created
rolebinding.rbac.authorization.k8s.io/ingress-nginx created
service/ingress-nginx-controller-admission created
service/ingress-nginx-controller created
deployment.apps/ingress-nginx-controller created
validatingwebhookconfiguration.admissionregistration.k8s.io/ingress-nginx-admission created
serviceaccount/ingress-nginx-admission created
clusterrole.rbac.authorization.k8s.io/ingress-nginx-admission created
clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created
role.rbac.authorization.k8s.io/ingress-nginx-admission created
rolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created
job.batch/ingress-nginx-admission-create created
job.batch/ingress-nginx-admission-patch created
检查安装的结果¶
[root@hdss7-11 03-ingress]# kubectl get pod,svc -n ingress-nginx
NAME READY STATUS RESTARTS AGE
pod/ingress-nginx-admission-create-kpptw 0/1 Completed 0 58s
pod/ingress-nginx-admission-patch-ng6p2 0/1 Completed 0 58s
pod/ingress-nginx-controller-6cb6fdd64b-hhhxz 1/1 Running 0 58s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/ingress-nginx-controller NodePort 172.16.42.147 <none> 80:30035/TCP,443:30603/TCP 58s
service/ingress-nginx-controller-admission ClusterIP 172.16.110.85 <none> 443/TCP 58s
[root@hdss7-11 03-ingress]#
02-test-ingress.yaml¶
[root@hdss7-11 03-ingress]# kubectl apply -f 02-test-ingress.yaml
deployment.apps/myapp-depl created
service/myapp-svc created
ingress.networking.k8s.io/myapp-ing created
[root@hdss7-11 03-ingress]# kubectl get pods,svc,ing -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
pod/myapp-depl-777f7fdbb-kpr54 1/1 Running 0 87s 192.168.1.6 hdss7-21.host.com <none> <none>
pod/myapp-depl-777f7fdbb-snl2c 1/1 Running 0 87s 192.168.2.5 hdss7-22.host.com <none> <none>
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
service/kubernetes ClusterIP 172.16.0.1 <none> 443/TCP 58m <none>
service/myapp-svc ClusterIP 172.16.54.194 <none> 80/TCP 87s app=myapp
NAME CLASS HOSTS ADDRESS PORTS AGE
ingress.networking.k8s.io/myapp-ing nginx myapp.od.com 10.4.7.21 80 87s
[root@hdss7-11 03-ingress]#
[root@hdss7-11 03-ingress]# curl 192.168.1.6
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>
[root@hdss7-11 03-ingress]# curl 192.168.2.5
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>
[root@hdss7-11 03-ingress]# curl 172.16.54.194/hostname.html
myapp-depl-777f7fdbb-kpr54
[root@hdss7-11 03-ingress]# curl 172.16.54.194/hostname.html
myapp-depl-777f7fdbb-snl2c
使用瀏覽器¶
http://myapp.od.com:30035/hostname.html
nginx proxy in hdss7-12¶
vi /etc/nginx/conf.d/harbor.od.com.conf
server {
listen 80;
server_name harbor.od.com;
client_max_body_size 1000m;
location / {
proxy_pass http://127.0.0.1:180;
}
}
[root@hdss7-12 yum.repos.d]# sudo systemctl start nginx
[root@hdss7-12 yum.repos.d]# sudo systemctl enable nginx
Created symlink from /etc/systemd/system/multi-user.target.wants/nginx.service to /usr/lib/systemd/system/nginx.service.
[root@hdss7-12 yum.repos.d]# systemctl status nginx
● nginx.service - nginx - high performance web server
Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2021-12-31 19:23:31 PST; 14s ago
Docs: http://nginx.org/en/docs/
Main PID: 2099 (nginx)
CGroup: /system.slice/nginx.service
├─2099 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf
├─2100 nginx: worker process
└─2101 nginx: worker process
Dec 31 19:23:31 hdss7-12.host.com systemd[1]: Starting nginx - high performance web server...
Dec 31 19:23:31 hdss7-12.host.com systemd[1]: Started nginx - high performance web server.
[root@hdss7-12 yum.repos.d]# vi /etc/nginx/conf.d/harbor.od.com.conf
[root@hdss7-12 yum.repos.d]# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[root@hdss7-12 yum.repos.d]# systemctl restart nginx.service
nginx 反帶 ingress¶
30035 是ingress 端口
[root@hdss7-12 yum.repos.d]# vi /etc/nginx/conf.d/od.com.conf
upstream default_backend_nginx {
server 10.4.7.21:30035 max_fails=3 fail_timeout=10s;
server 10.4.7.22:30035 max_fails=3 fail_timeout=10s;
}
server {
server_name *.od.com;
location / {
proxy_pass http://default_backend_nginx;
proxy_set_header Host $http_host;
proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;
}
}
[root@hdss7-12 yum.repos.d]# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[root@hdss7-12 yum.repos.d]# nginx -s reload
[root@hdss7-12 yum.repos.d]#
11机器,解析域名：¶
~]# vi /var/named/od.com.zone 前滚serial traefik A 10.4.7.10
~]# systemctl restart named