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k8s-域名访问wordpress搭建

k8s-域名访问wordpress搭建

作者: 慕知 | 来源:发表于2021-04-01 19:35 被阅读0次

一,编辑wordpress的mysql服务

[root@\ k8s-m-01~]# vim wordpress.yaml 
apiVersion: v1
kind: Namespace
metadata:
  name: mysql
---
kind: Service
apiVersion: v1
metadata:
  name: mysql
  namespace: mysql
spec:
  ports:
    - name: http
      port: 3306
      targetPort: 3306
  selector:
    app: mysql
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: name-mysql
  namespace: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: mysql:5.7
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: "123456"



[root@\ k8s-m-01~]# kubectl apply -f wordpress.yaml 


二,准备配置文件

1,wordpress

[root@\ k8s-m-01~]# ll /wordpress/
drwxr-xr-x. 2 root root   78 Apr  1 17:57 nginx
drwxr-xr-x. 2 root root   42 Apr  1 18:00 php
drwxr-xr-x. 5 root root 4096 Apr  1 17:45 wordpress

[root@\ k8s-m-01~]# ll /wordpress/wordpress/
-rw-r--r--.  1 root root   405 Apr  1 17:39 index.php
-rw-r--r--.  1 root root 19915 Apr  1 17:39 license.txt
-rw-r--r--.  1 root root  7345 Apr  1 17:39 readme.html
-rw-r--r--.  1 root root  7165 Apr  1 17:39 wp-activate.php
drwxr-xr-x.  9 root root  4096 Apr  1 17:39 wp-admin
-rw-r--r--.  1 root root   351 Apr  1 17:39 wp-blog-header.php
-rw-r--r--.  1 root root  2328 Apr  1 17:39 wp-comments-post.php
-rw-r--r--.  1 root root  2908 Apr  1 17:45 wp-config.php
-rw-r--r--.  1 root root  2913 Apr  1 17:39 wp-config-sample.php
drwxr-xr-x.  4 root root    52 Apr  1 17:39 wp-content
-rw-r--r--.  1 root root  3939 Apr  1 17:39 wp-cron.php
drwxr-xr-x. 25 root root  8192 Apr  1 17:39 wp-includes
-rw-r--r--.  1 root root  2496 Apr  1 17:39 wp-links-opml.php
-rw-r--r--.  1 root root  3313 Apr  1 17:39 wp-load.php
-rw-r--r--.  1 root root 44993 Apr  1 17:39 wp-login.php
-rw-r--r--.  1 root root  8509 Apr  1 17:39 wp-mail.php
-rw-r--r--.  1 root root 21125 Apr  1 17:39 wp-settings.php
-rw-r--r--.  1 root root 31328 Apr  1 17:39 wp-signup.php
-rw-r--r--.  1 root root  4747 Apr  1 17:39 wp-trackback.php
-rw-r--r--.  1 root root  3236 Apr  1 17:39 xmlrpc.php



# 复制wordpress连接数据库的配置文件
[root@\ k8s-m-01/file/wordpress]# cp wp-config-sample.php wp-config.php 


# 修改连接数据库的信息
[root@\ k8s-m-01/file/wordpress]# vim wp-config.php 
define( 'DB_NAME', 'wordpress' );

/** MySQL database username */
define( 'DB_USER', 'root' );

/** MySQL database password */
define( 'DB_PASSWORD', '123456' );

/** MySQL hostname */
define( 'DB_HOST', 'mysql.mysql.svc.cluster.local' );



#压缩
[root@\ k8s-m-01/wordpress]# cd wordpress/
[root@\ k8s-m-01/wordpress/wordpress]# tar -zcf wordpress.tar.gz ./


[root@\ k8s-m-01/wordpress/wordpress]# ll
total 15576
-rw-r--r--.  1 root root      405 Apr  1 17:39 index.php
-rw-r--r--.  1 root root    19915 Apr  1 17:39 license.txt
-rw-r--r--.  1 root root     7345 Apr  1 17:39 readme.html
-rw-r--r--.  1 root root 15733555 Apr  1 18:50 wordpress.tar.gz
... ...




#  复制到nginx和php下,构建镜像需要
[root@\ k8s-m-01/wordpress/wordpress]# cp wordpress.tar.gz /wordpress/nginx/
[root@\ k8s-m-01/wordpress/wordpress]# cp wordpress.tar.gz /wordpress/php/






PS:

/** MySQL hostname */
define( 'DB_HOST', 'mysql.mysql.svc.cluster.local' );

由来
[root@\ k8s-m-01~]# kubectl run test -it --rm  --image=busybox:1.28.3
If you don't see a command prompt, try pressing enter.
/ # nslookup mysql.mysql
Server:    10.96.0.10
Address 1: 10.96.0.10 kube-dns.kube-system.svc.cluster.local

Name:      mysql.mysql
Address 1: 10.96.236.95 mysql.mysql.svc.cluster.local


2,nginx

1) 准备配置文件

[root@\ k8s-m-01~]# mkdir -p /wordpress/{nginx,php}

[root@\ k8s-m-01/wordpress/nginx]# ll
total 16
-rw-r--r--. 1 root root 464 Apr  1 10:43 default.conf
-rw-r--r--. 1 root root 267 Apr  1 17:49 Dockfile
-rw-r--r--. 1 root root 641 Mar 24 15:18 nginx.conf
-rw-r--r--. 1 root root 398 Mar 24 15:12 nginx.repo



# 准备官方源
[root@\ k8s-m-01/wordpress/nginx]# vim nginx.repo 
[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true

[nginx-mainline]
name=nginx mainline repo
baseurl=http://nginx.org/packages/mainline/centos/$releasever/$basearch/
gpgcheck=1
enabled=0
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true



# 配置文件修改用户
[root@\ k8s-m-01/wordpress/nginx]# vim nginx.conf 

user  www;





# nginx
[root@\ k8s-m-01/wordpress/nginx]# vim default.conf 
server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;


    location / {
        root   /usr/share/nginx/html;
        index  index.php index.html index.htm;
    }
    location ~ \.php$ {
        root           /usr/share/nginx/html;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  /usr/share/nginx/html$fastcgi_script_name;
        include        fastcgi_params;
    }

}

2) 构建镜像

[root@\ k8s-m-01/wordpress/nginx]# vim Dockerfile 
FROM centos:7
ADD nginx.repo /etc/yum.repos.d/
RUN yum install -y nginx
ADD default.conf /etc/nginx/conf.d/
ADD nginx.conf /etc/nginx/

WORKDIR /usr/share/nginx/

EXPOSE 80 443

RUN useradd www

ADD wordpress.tar.gz /usr/share/nginx/html/

CMD nginx -g "daemon off;"






[root@\ k8s-m-01/wordpress/nginx]# docker build -t urbanezxx/nginx:wordpress ./
... ...
Successfully built beb17c7a3e5d
Successfully tagged urbanezxx/nginx:wordpress

# 上传到仓库(以备使用)
[root@\ k8s-m-01/wordpress/nginx]# docker push urbanezxx/nginx:wordpress



# 验证文件是否存在
[root@\ k8s-m-01/wordpress/nginx]# docker run -it --rm urbanezxx/nginx:wordpress bash

[root@dc42b893a9d8 nginx]# ll html/
-rw-r--r--.  1 root root   494 Oct 29 15:25 50x.html
-rw-r--r--.  1 root root   612 Oct 29 15:25 index.html
-rw-r--r--.  1 root root   405 Apr  1 09:39 index.php
-rw-r--r--.  1 root root 19915 Apr  1 09:39 license.txt
-rw-r--r--.  1 root root  7345 Apr  1 09:39 readme.html
-rw-r--r--.  1 root root  7165 Apr  1 09:39 wp-activate.php
drwxr-xr-x.  9 root root  4096 Apr  1 09:39 wp-admin
-rw-r--r--.  1 root root   351 Apr  1 09:39 wp-blog-header.php
-rw-r--r--.  1 root root  2328 Apr  1 09:39 wp-comments-post.php
-rw-r--r--.  1 root root  2913 Apr  1 09:39 wp-config-sample.php
-rw-r--r--.  1 root root  2908 Apr  1 09:45 wp-config.php
drwxr-xr-x.  4 root root    52 Apr  1 09:39 wp-content
-rw-r--r--.  1 root root  3939 Apr  1 09:39 wp-cron.php
drwxr-xr-x. 25 root root  8192 Apr  1 09:39 wp-includes
-rw-r--r--.  1 root root  2496 Apr  1 09:39 wp-links-opml.php
-rw-r--r--.  1 root root  3313 Apr  1 09:39 wp-load.php
-rw-r--r--.  1 root root 44993 Apr  1 09:39 wp-login.php
-rw-r--r--.  1 root root  8509 Apr  1 09:39 wp-mail.php
-rw-r--r--.  1 root root 21125 Apr  1 09:39 wp-settings.php
-rw-r--r--.  1 root root 31328 Apr  1 09:39 wp-signup.php
-rw-r--r--.  1 root root  4747 Apr  1 09:39 wp-trackback.php
-rw-r--r--.  1 root root  3236 Apr  1 09:39 xmlrpc.php





3,php

1) 准备配置文件

[root@\ k8s-m-01/wordpress/php]# ll
-rw-r--r--. 1 root root   162 Apr  1 17:52 Dockfile
-rw-r--r--. 1 root root 23007 Mar 25 15:43 php-fpm.conf




# 修改用户
[root@\ k8s-m-01/wordpress/php]# vim php-fpm.conf 
user = www
group = www

2) 准备镜像


# 构建镜像
[root@\ k8s-m-01/wordpress/php]# vim Dockerfile

FROM urbanezxx/php:php-fpm-mysql

RUN useradd www

ADD php-fpm.conf /usr/local/etc/

EXPOSE 9000

ADD wordpress.tar.gz /usr/share/nginx/html/

CMD ["php-fpm","-F"]

#先拉取基础镜像(已经编译好的php)
[root@\ k8s-m-01/wordpress/php]# docker pull urbanezxx/php:v1-fpm-mysql


[root@\ k8s-m-01/wordpress/php]# docker build -t urbanezxx/php:wordpress .

# 上传到仓库(以备使用)
[root@\ k8s-m-01/wordpress/nginx]# docker push urbanezxx/php:wordpress

三,完整版

[root@\ k8s-m-01~]# vim wordpress.yaml 

apiVersion: v1
kind: Namespace
metadata:
  name: mysql
---
kind: Service
apiVersion: v1
metadata:
  name: mysql
  namespace: mysql
spec:
  ports:
    - name: http
      port: 3306
      targetPort: 3306
  selector:
    app: mysql
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: name-mysql
  namespace: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: mysql:5.7
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: "123456"
---
apiVersion: v1
kind: Namespace
metadata:
  name: wordpress
---
apiVersion: v1
kind: Service
metadata:
  name: wordpress
  namespace: wordpress
spec:
  ports:
    - name: http
      port: 80
      targetPort: 80
  selector:
    app: wordpress
  type: NodePort
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: wordpress
  namespace: wordpress
spec:
  selector:
    matchLabels:
      app: wordpress
  template:
    metadata:
      labels:
        app: wordpress
    spec:
      containers:
        - name: php
          image: urbanezxx/php:wordpress
        - name: nginx
          image: urbanezxx/nginx:wordpress

四,执行及相关查看命令

[root@\ k8s-m-01~]# kubectl apply -f wordpress.yaml 




# 查看服务状态
[root@\ k8s-m-01~]# kubectl get svc -n mysql
NAME    TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)    AGE
mysql   ClusterIP   10.96.236.95   <none>        3306/TCP   7h24m

[root@\ k8s-m-01~]# kubectl get svc -n wordpress
NAME        TYPE       CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
wordpress   NodePort   10.109.144.61   <none>        80:32053/TCP   7h25m





# 查看容器状态,要加上-n mysql ,不然默认是default
[root@\ k8s-m-01~]# kubectl get pod -n wordpress
NAME                         READY   STATUS    RESTARTS   AGE
wordpress-554bb57b5d-zkwms   2/2     Running   0          63s

[root@\ k8s-m-01~]# kubectl get pod -n mysql
NAME                          READY   STATUS    RESTARTS   AGE
name-mysql-56f8cdb464-xps7f   1/1     Running   0          10m





# 查看资源详情
[root@\ k8s-m-01~]# kubectl describe pod -n wordpress 
Name:         wordpress-554bb57b5d-zkwms
Namespace:    wordpress
Priority:     0
Node:         k8s-m-01/192.168.15.31
Start Time:   Thu, 01 Apr 2021 19:24:22 +0800
Labels:       app=wordpress
              pod-template-hash=554bb57b5d
Annotations:  <none>
Status:       Running
IP:           10.244.0.18
IPs:
  IP:           10.244.0.18
Controlled By:  ReplicaSet/wordpress-554bb57b5d
Containers:
  php:
    Container ID:   docker://4686145dc734643ddea844ef086a5619148f6c22f8e316130592fdeb721b2849
    Image:          urbanezxx/php:wordpress
    Image ID:       docker-pullable://urbanezxx/php@sha256:c6edac270f94f8652a5a5cbbdbb590714faa5cce3bea22775b0f1ac5baba8269
    Port:           <none>
    Host Port:      <none>
    State:          Running
      Started:      Thu, 01 Apr 2021 19:24:22 +0800
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-pjpsw (ro)
  nginx:
    Container ID:   docker://2cb1254ac0061f1df4fbbc487638d1b99784e4a3fc6a1d76be572dbea3c4a16d
    Image:          urbanezxx/nginx:wordpress
    Image ID:       docker-pullable://urbanezxx/nginx@sha256:17260777f1724ffcfce94240f74feaecc215695a1925980ad911eec46b6aa0f7
    Port:           <none>
    Host Port:      <none>
    State:          Running
      Started:      Thu, 01 Apr 2021 19:24:23 +0800
    Ready:          True
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-pjpsw (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             True 
  ContainersReady   True 
  PodScheduled      True 
Volumes:
  default-token-pjpsw:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  default-token-pjpsw
    Optional:    false
QoS Class:       BestEffort
Node-Selectors:  <none>
Tolerations:     node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
                 node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
  Type    Reason     Age    From               Message
  ----    ------     ----   ----               -------
  Normal  Scheduled  2m27s  default-scheduler  Successfully assigned wordpress/wordpress-554bb57b5d-zkwms to k8s-m-01
  Normal  Pulled     2m27s  kubelet            Container image "urbanezxx/php:wordpress" already present on machine
  Normal  Created    2m27s  kubelet            Created container php
  Normal  Started    2m27s  kubelet            Started container php
  Normal  Pulled     2m27s  kubelet            Container image "urbanezxx/nginx:wordpress" already present on machine
  Normal  Created    2m27s  kubelet            Created container nginx
  Normal  Started    2m26s  kubelet            Started container nginx




访问页面

五,创建数据库

#创建数据库wordpress

[root@\ k8s-m-01~]# kubectl get pod -n mysql 
NAME                          READY   STATUS    RESTARTS   AGE
name-mysql-56f8cdb464-xps7f   1/1     Running   0          14m


[root@\ k8s-m-01~]# kubectl exec -it  -n mysql name-mysql-56f8cdb464-xps7f -- bash
root@name-mysql-56f8cdb464-xps7f:/# mysql -uroot -p123456
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.33 MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database wordpress;
Query OK, 1 row affected (0.00 sec)


image.png image.png

ingress增加域名访问

[root@\ k8s-m-01~]# vim wordpress.yaml 
apiVersion: v1
kind: Namespace
metadata:
  name: mysql
---
kind: Service
apiVersion: v1
metadata:
  name: mysql
  namespace: mysql
spec:
  ports:
    - name: http
      port: 3306
      targetPort: 3306
  selector:
    app: mysql
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: name-mysql
  namespace: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: mysql:5.7
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: "123456"
---
apiVersion: v1
kind: Namespace
metadata:
  name: wordpress
---
apiVersion: v1
kind: Service
metadata:
  name: wordpress
  namespace: wordpress
spec:
  ports:
    - name: http
      port: 80
      targetPort: 80
  selector:
    app: wordpress
  clusterIP: None
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: wordpress
  namespace: wordpress
spec:
  selector:
    matchLabels:
      app: wordpress
  template:
    metadata:
      labels:
        app: wordpress
    spec:
      containers:
        - name: php
          image: urbanezxx/php:wordpress
        - name: nginx
          image: urbanezxx/nginx:wordpress
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: wordpress-name
  namespace: wordpress
spec:
  rules:
    - host: www.wp.com
      http:
        paths:
          - path: /
            backend:
              serviceName: wordpress
              servicePort: 80




[root@\ k8s-m-01~]# kubectl apply -f wordpress.yaml 


[root@\ k8s-m-01~]# kubectl get svc -n wordpress 
NAME        TYPE       CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
wordpress   NodePort   10.109.144.61   <none>        80:32053/TCP   29h





[root@\ k8s-m-01~]# kubectl get ingress -n wordpress 
NAME             CLASS    HOSTS          ADDRESS         PORTS   AGE
wordpresss       <none>   wp.nginx.com   192.168.15.33   80      38m





修改hosts,访问


image.png

https 访问

# 创建证书目录
[root@\ k8s-m-01~]# mkdir zs
[root@\ k8s-m-01~]# cd zs/

# 生成证书
[root@\ k8s-m-01~/zs]# openssl genrsa -out tls.key 2048
Generating RSA private key, 2048 bit long modulus
.........................+++
......................................................................+++
e is 65537 (0x10001)
[root@\ k8s-m-01~/zs]# openssl req -new -x509 -key tls.key -out tls.crt -subj /C=CN/ST=ShangHai/L=ShangHai/O=Ingress/CN=www.test.com

[root@\ k8s-m-01~/zs]# ll
-rw-r--r--. 1 root root 1289 Apr  2 17:48 tls.crt
-rw-r--r--. 1 root root 1675 Apr  2 17:48 tls.key

# 创建Ingress
[root@\ k8s-m-01~/zs]# kubectl -n wordpress create secret tls ingress-tls --cert=tls.crt --key=tls.key
secret/ingress-tls created














[root@\ k8s-m-01~]# vim wordpress.yaml 
... ...
增加
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: wordpress-name
  namespace: wordpress
spec:
  tls:
    - secretName: ingress-tls
  rules:
    - host: www.wp.com
      http:
        paths:
          - path: /
            backend:
              serviceName: wordpress
              servicePort: 80
              servicePort: 443





完整版配置清单
apiVersion: v1
kind: Namespace
metadata:
  name: mysql
---
kind: Service
apiVersion: v1
metadata:
  name: mysql
  namespace: mysql
spec:
  ports:
    - name: http
      port: 3306
      targetPort: 3306
  selector:
    app: mysql
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: name-mysql
  namespace: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: mysql:5.7
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: "123456"
---
apiVersion: v1
kind: Namespace
metadata:
  name: wordpress
---
apiVersion: v1
kind: Service
metadata:
  name: wordpress
  namespace: wordpress
spec:
  ports:
    - name: http
      port: 80
      targetPort: 80
    - name: https
      port: 443
      targetPort: 443
  selector:
    app: wordpress
  clusterIP: None
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: wordpress
  namespace: wordpress
spec:
  selector:
    matchLabels:
      app: wordpress
  template:
    metadata:
      labels:
        app: wordpress
    spec:
      containers:
        - name: php
          image: urbanezxx/php:wordpress
        - name: nginx
          image: urbanezxx/nginx:wordpress
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: wordpress-name
  namespace: wordpress
spec:
  tls:
    - secretName: ingress-tls
  rules:
    - host: www.wp.com
      http:
        paths:
          - path: /
            backend:
              serviceName: wordpress
              servicePort: 80
              servicePort: 443






# 查看端口
[root@\ k8s-m-01~]# kubectl get svc -n ingress-nginx 
NAME                                 TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)                      AGE
ingress-nginx-controller             NodePort    10.102.254.20   <none>        80:30654/TCP,443:31066/TCP   144m
ingress-nginx-controller-admission   ClusterIP   10.111.163.84   <none>        443/TCP                      144m


image.png

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