一招搞定YAML资源清单文件构成

一招搞定YAML资源清单文件构成

一、 YAML资源清单文件构成

1.1 如何查看资源对象的元数据组成

# kubectl explain 关键字

1.2 pod元数据组成

# kubectl explain pod

Pod TypeMeta

Pod ObjectMeta

podSpec

1.3 controller元数据组成

# kubectl explain deployment

Controller TypeMeta

Deployment ObjectMeta

DeploymentSpec

1.4 service元数据组成

# kubectl explain service

Service TypeMeta

ObjectMeta

ServiceSpec

二、如何通过YAML资源清单文件创建资源对象？

2.1 Namespace

apiVersion: v1
kind: Namespace
metadata:
  name: test

2.2 Pod

apiVersion: v1
kind: Pod
metadata:
  name: pod1
spec:
  containers:
  - name: k8sonline1
    image: nginx:latest
    imagePullPolicy: IfNotPresent

2.3 Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: deploy-nginx			
spec:				
  replicas: 1				
  selector:
    matchLabels:
      app: nginx			
  template:					  
    metadata:
      labels:
        app: nginx			
    spec:
      containers:
      - name: nginx
        image: nginx:1.15-alpine
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 80

2.4 Service

apiVersion: v1
kind: Service
metadata:
  name: deploy-nginx-svc
spec:
  type: ClusterIP
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80
  selector:
    app: nginx

三、如何彻底搞定YAML资源清单文件托管？

# wget https://nginx.org/download/nginx-1.23.1.tar.gz

# mkdir nginxdir

# mv nginx-1.23.1.tar.gz nginxdir

# ls nginxdir/
nginx-1.23.1.tar.gz

# cd nginxdir/

# ls
nginx-1.23.1.tar.gz  ngx-fancyindex-0.4.3.tar.gz

# tar xf nginx-1.23.1.tar.gz
# tar xf ngx-fancyindex-0.4.3.tar.gz


# ls
nginx-1.23.1  nginx-1.23.1.tar.gz  ngx-fancyindex-0.4.3  ngx-fancyindex-0.4.3.tar.gz

# yum -y install gcc pcre-devel zlib-devel openssl-devel

# cd nginx-1.23.1/

# ls
auto  CHANGES  CHANGES.ru  conf  configure  contrib  html  LICENSE  man  README  src

# ./configure --prefix=/usr/local/nginx  --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --add-module=/root/nginxdir/ngx-fancyindex-0.4.3/

# make && make install

# cat /usr/local/nginx/conf/nginx.conf

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    
    
    worker_connections  1024;
}


http {
    
    
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
    
    
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
    
    
            root   html;
            fancyindex on;   添加
            fancyindex_exact_size off; 添加
            index  index;
        }

        #error_page  404              /404.html;

# /usr/local/nginx/sbin/nginx

# cd /usr/local/nginx/html/

# ls
50x.html  index.html

# touch pod.yaml

# ls
50x.html  index.html  pod.yaml

[root@k8s-master01 ~]# kubectl apply -f http://192.168.10.144/pod.yaml