在k8s中部署一个nginx来验证功能, 并使用nodoPort暴露端口
部署服务
kubectl apply -f demo_nginx_deployment.yaml# nginx 服务
apiVersion: v1
kind: Service
metadata:
name: demo-nginx
labels:
app: demo-nginx
spec:
type: NodePort
ports:
# node port 要求端口大于30000
- nodePort: 30013
port: 80
targetPort: 80
protocol: TCP
selector:
app: demo-nginx
---
# nginx 部署 deployment
apiVersion: apps/v1
kind: Deployment
metadata:
name: demo-nginx
labels:
app: demo-nginx
spec:
replicas: 1
selector:
matchLabels:
app: demo-nginx
template:
metadata:
labels:
app: demo-nginx
spec:
containers:
- name: demo-nginx
image: docker.io/nginx:1.22.0
imagePullPolicy: IfNotPresent
ports:
- containerPort: 80
resources:
requests:
memory: "1Gi"
cpu: "200m"查看状态
kubectl get deployment,service,pod输出以下内容
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/demo-nginx 1/1 1 1 9s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/demo-nginx NodePort 10.107.196.123 <none> 80:30013/TCP 9s
service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 39m
NAME READY STATUS RESTARTS AGE
pod/demo-nginx-6b8fb69c68-zqpdl 1/1 Running 0 9s查看日志是否正常
kubectl logs -f --tail=100 demo-nginx-6b8fb69c68-zqpdl/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2024/01/13 08:48:11 [notice] 1#1: using the "epoll" event method
2024/01/13 08:48:11 [notice] 1#1: nginx/1.22.0
2024/01/13 08:48:11 [notice] 1#1: built by gcc 10.2.1 20210110 (Debian 10.2.1-6)
2024/01/13 08:48:11 [notice] 1#1: OS: Linux 3.10.0-1160.105.1.el7.x86_64
2024/01/13 08:48:11 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
2024/01/13 08:48:11 [notice] 1#1: start worker processes
2024/01/13 08:48:11 [notice] 1#1: start worker process 31
2024/01/13 08:48:11 [notice] 1#1: start worker process 32
2024/01/13 08:48:11 [notice] 1#1: start worker process 33
2024/01/13 08:48:11 [notice] 1#1: start worker process 34进入容器内验证是否正常
kubectl exec -it pod/demo-nginx-6b8fb69c68-zqpdl -- /bin/bash# 在容器内查看nginx工作目录
# root@demo-nginx-6b8fb69c68-zqpdl:/# ls -l /etc/nginx/
drwxr-xr-x 1 root root 26 Jan 13 08:48 conf.d
-rw-r--r-- 1 root root 1007 May 23 2022 fastcgi_params
-rw-r--r-- 1 root root 5349 May 23 2022 mime.types
lrwxrwxrwx 1 root root 22 May 24 2022 modules -> /usr/lib/nginx/modules
-rw-r--r-- 1 root root 648 May 24 2022 nginx.conf
-rw-r--r-- 1 root root 636 May 23 2022 scgi_params
-rw-r--r-- 1 root root 664 May 23 2022 uwsgi_params验证nginx服务是否可用
curl -v 192.168.21.223:30013返回一下内容
* About to connect() to 192.168.21.223 port 30013 (#0)
* Trying 192.168.21.223...
* Connected to 192.168.21.223 (192.168.21.223) port 30013 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: 192.168.21.223:30013
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.22.0
< Date: Sat, 13 Jan 2024 08:53:08 GMT
< Content-Type: text/html
< Content-Length: 615
< Last-Modified: Mon, 23 May 2022 23:59:19 GMT
< Connection: keep-alive
< ETag: "628c1fd7-267"
< Accept-Ranges: bytes
<
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
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>
* Connection #0 to host 192.168.21.223 left intact转载请注明出处来源
