Kubernetes+Lnmpw+Nfs+Harbor

ゝ一世哀愁。 2022-01-23 05:27 164阅读 0赞

**江湖有传言：能独立完成这个小项目的，算是入了Kubernetes门！！！**

**拓扑图**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70][]

**主机规划**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 1][]

**K8S搭建**

https://blog.csdn.net/zisefeizhu/article/details/87911836
    kubernetes 命令补全
    https://blog.csdn.net/zisefeizhu/article/details/89930329
    [root@master01 ~]# kubectl get nodes 
    NAME       STATUS                     ROLES    AGE   VERSION
    master01   Ready,SchedulingDisabled   master   23d   v1.14.1
    node01     Ready                      <none>   23d   v1.14.1
    node02     Ready                      <none>   23d   v1.14.1

**harbor搭建**

https://blog.csdn.net/zisefeizhu/article/details/90729970
    [root@harbor ~]# ss -ntl
    State      Recv-Q Send-Q                       Local Address:Port                                      Peer Address:Port              
    LISTEN     0      128                              127.0.0.1:1514                                                 *:*                  
    LISTEN     0      128                                      *:22                                                   *:*                  
    LISTEN     0      128                                     :::80                                                  :::*                  
    LISTEN     0      128                                     :::22                                                  :::*                  
    LISTEN     0      128                                     :::443                                                 :::*                  
    LISTEN     0      128                                     :::4443                                                :::*

**Nfs搭建**

https://blog.csdn.net/zisefeizhu/article/details/90729970
    准备一块10G的磁盘做为lvm逻辑卷
    [root@nfs ~]# fdisk -l
    磁盘 /dev/sda：21.5 GB, 21474836480 字节，41943040 个扇区
    磁盘 /dev/sdb：10.7 GB, 10737418240 字节，20971520 个扇区
    [root@nfs ~]# mkdir /k8s-wordpress
    [root@nfs ~]# yum install lvm2 -y
    [root@nfs ~]# pvcreate /dev/sdb
      Physical volume "/dev/sdb" successfully created.
    [root@nfs ~]# vgcreate vg /dev/sdb
      Volume group "vg" successfully created
    [root@nfs ~]# lvcreate -L 9G -n lv vg
      Logical volume "lv" created.
    [root@nfs ~]# mkfs.xfs /dev/vg/lv 
    meta-data=/dev/vg/lv             isize=512    agcount=4, agsize=589824 blks
             =                       sectsz=512   attr=2, projid32bit=1
             =                       crc=1        finobt=0, sparse=0
    data     =                       bsize=4096   blocks=2359296, imaxpct=25
             =                       sunit=0      swidth=0 blks
    naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
    log      =internal log           bsize=4096   blocks=2560, version=2
             =                       sectsz=512   sunit=0 blks, lazy-count=1
    realtime =none                   extsz=4096   blocks=0, rtextents=0
    [root@nfs ~]# mount /dev/vg/lv /k8s-wordpress/
    [root@nfs ~]# echo "/dev/vg/lv    /k8s-wordpress  xfs    defaults 0 0" >> /etc/fstab 
    [root@nfs ~]# df | grep "/k8s"
    /dev/mapper/vg-lv  9426944   32992  9393952    1% /k8s-wordpress
    创建lnmpw挂载目录
    [root@nfs k8s-wordpress]# mkdir -pv /k8s-wordpress/lnmpw/volumes/data/{mysql,nginx}
    mkdir: 已创建目录 "/k8s-wordpress/lnmpw"
    mkdir: 已创建目录 "/k8s-wordpress/lnmpw/volumes"
    mkdir: 已创建目录 "/k8s-wordpress/lnmpw/volumes/data"
    mkdir: 已创建目录 "/k8s-wordpress/lnmpw/volumes/data/mysql"
    mkdir: 已创建目录 "/k8s-wordpress/lnmpw/volumes/data/nginx"
    客户端挂载
    [root@node01 ~]# systemctl start nfs
    [root@node01 ~]# showmount -e 10.0.0.206
    Export list for 10.0.0.206:
    /k8s-wordpress/lnmpw/volumes *
    /webtest                     *
    测试挂载
    [root@node01 ~]# mount -t nfs 10.0.0.206:/k8s-wordpress/lnmpw/volumes /mnt/
    [root@node01 data]# umount -l /mnt/

**部署lnmpw**

[root@master01 Dockerfile-lnmp]# pwd
    /root/k8s_wordporss/Dockerfile-lnmp
    
    创建pv
    [root@master01 Dockerfile-lnmp]# cat pv.yaml 
    apiVersion: v1
    kind: PersistentVolume
    metadata:
      name: mysql-pv
    spec:
      capacity:
        storage: 2Gi
      accessModes:
        - ReadWriteMany
      nfs:
        path: /k8s-wordpress/lnmpw/volumes/data/mysql
        server: 10.0.0.206 
    ---
    apiVersion: v1
    kind: PersistentVolume
    metadata:
      name: wp-pv01
    spec:
      capacity:
        storage: 3Gi
      accessModes:
        - ReadWriteMany
      nfs:
        path: /k8s-wordpress/lnmpw/volumes/data/nginx
        server: 10.0.0.206
    ---
    apiVersion: v1
    kind: PersistentVolume
    metadata:
      name: wp-pv02
    spec:
      capacity:
        storage: 3Gi
      accessModes:
        - ReadWriteMany
      nfs:
        path: /k8s-wordpress/lnmpw/volumes/data/nginx
        server: 10.0.0.206
    [root@master01 Dockerfile-lnmp]# kubectl apply -f pv.yaml 
    persistentvolume/mysql-pv created
    persistentvolume/wp-pv01 created
    persistentvolume/wp-pv02 created
    [root@master01 Dockerfile-lnmp]# kubectl get pv
    NAME       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM   STORAGECLASS   REASON   AGE
    mysql-pv   2Gi        RWX            Retain           Available                                   6s
    wp-pv01    3Gi        RWX            Retain           Available                                   6s
    wp-pv02    3Gi        RWX            Retain           Available                                   6s
    
    部署mysql
    [root@master01 Dockerfile-lnmp]# cat mysql-deployment.yaml 
    apiVersion: v1
    kind: Service
    metadata:
      name: wordpress-mysql
      labels:
        app: wordpress
    spec:
      ports:
        - port: 3306
      selector:
        app: wordpress
        tier: mysql
    ---
    apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: mysql-pv-claim
      labels:
        app: wordpress
    spec:
      accessModes:
        - ReadWriteMany
      resources:
        requests:
          storage: 2Gi
    ---
    apiVersion: extensions/v1beta1
    kind: Deployment
    metadata:
      name: wordpress-mysql
      labels:
        app: wordpress
    spec:
      selector:
        matchLabels:
          app: wordpress
          tier: mysql
      strategy:
        type: Recreate
      template:
        metadata:
          labels:
            app:  wordpress
            tier: mysql
        spec:
          containers:
          - name: mysql
        spec:
          containers:
          - name: mysql
            image : mysql:5.6
            env:
            - name: MYSQL_ROOT_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mysql-pass
                  key: password
            ports:
            - containerPort: 3306
              name: mysql
            volumeMounts:
            - mountPath: "/var/lib/mysql"
              name: mysql-data
          volumes:
          - name: mysql-data
            persistentVolumeClaim:
              claimName: mysql-pv-claim
    [root@master01 Dockerfile-lnmp]# kubectl apply -f mysql-deployment.yaml
    
    通过secret创建mysql密码
    [root@master01 Dockerfile-lnmp]# kubectl create secret generic mysql-pass --from-literal=password=123456
    secret/mysql-pass created
    [root@master01 Dockerfile-lnmp]# kubectl get pods wordpress-mysql-7d5966b644-zn7sv 
    NAME                               READY   STATUS    RESTARTS   AGE
    wordpress-mysql-7d5966b644-zn7sv   1/1     Running   0          86s
    
    制作nginx镜像
    [root@master01 nginx]# cat Dockerfile 
    FROM centos:6
    MAINTAINER zisefeizhu
    RUN yum install -y gcc gcc-c++ make openssl-devel pcre-devel && \
        yum clean all
    ADD nginx-1.15.1.tar.gz /tmp
    RUN cd /tmp/nginx-1.15.1 && \
        ./configure --prefix=/usr/local/nginx && \
        make -j 2 && make install && \
        rm -rf /tmp/nginx-1.15.1
    COPY nginx.conf /usr/local/nginx/conf
    
    EXPOSE 80
    CMD ["/usr/local/nginx/sbin/nginx", "-g", "daemon off;"]
    [root@master01 nginx]# cat nginx.conf 
    user  root; 
    worker_processes  auto; 
    error_log  logs/error.log  info;
    pid        logs/nginx.pid; 
    events {
        use epoll; 
    }
    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;
        keepalive_timeout  65;
    
        server {
            listen 80;
            server_name localhost;
            root html;
            index index.php index.html;
    
            location ~ \.php$ {
                root html;
                fastcgi_pass wordpress-php:9000;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; 
                include fastcgi_params;
            }
        }
    }
    [root@master01 nginx]# ll
    总用量 1012
    -rw-r--r-- 1 root root     395 6月   2 19:36 Dockerfile
    -rw-r--r-- 1 root root 1024086 7月  14 2018 nginx-1.15.1.tar.gz
    -rw-r--r-- 1 root root     863 6月   2 16:27 nginx.conf
    [root@master01 nginx]# docker build -t 10.0.0.204/wordpress/nginx:latest .
    ...
    Successfully built 116e5f6e3719
    Successfully tagged 10.0.0.204/wordpress/nginx:latest
    
    制作php镜像
    [root@master01 php]# ll
    总用量 18920
    -rw-r--r-- 1 root root      930 6月   2 19:45 Dockerfile
    -rw-r--r-- 1 root root 19288947 6月   2 16:27 php-5.6.31.tar.gz
    -rw-r--r-- 1 root root    73698 6月   2 16:27 php.ini
    [root@master01 php]# cat Dockerfile 
    FROM centos:6
    MAINTAINER zisefeizhu
    RUN yum install -y gcc gcc-c++ gd-devel libxml2-devel \
        libcurl-devel libjpeg-devel libpng-devel openssl-devel && \
        yum clean all
    ADD php-5.6.31.tar.gz /tmp/
    RUN cd /tmp/php-5.6.31 && \
        ./configure --prefix=/usr/local/php \
        --with-config-file-path=/usr/local/php/etc \
        --with-mysql --with-mysqli \
        --with-openssl --with-zlib --with-curl --with-gd \
        --with-jpeg-dir --with-png-dir --with-iconv \
        --enable-fpm --enable-zip --enable-mbstring && \
        make -j 4 && make install && \
        cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf && \
        sed -i "s/127.0.0.1/0.0.0.0/" /usr/local/php/etc/php-fpm.conf && \
        cp ./sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm && \
        chmod +x /etc/init.d/php-fpm && \
        rm -rf /tmp/php-5.6.31 
    COPY php.ini /usr/local/php/etc
    EXPOSE 9000
    CMD /etc/init.d/php-fpm start && tail -F /var/log/messages
    [root@master01 php]# docker build -t 10.0.0.204/wordpress/php:latest .
    Successfully built d16a4d3d2d21
    Successfully tagged 10.0.0.204/wordpress/php:latest
    
    上传镜像到Harbor
    [root@master01 php]# docker login 10.0.0.204
    Username: admin
    Password: 
    WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
    Configure a credential helper to remove this warning. See
    https://docs.docker.com/engine/reference/commandline/login/#credentials-store
    
    Login Succeeded

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 2][]

[root@master01 php]# docker push 10.0.0.204/wordpress/nginx:latest
    latest: digest: sha256:f996c4420e480e8115e57821d66196dee47c17064a06131e0219c9a7312ef738 size: 1370
    [root@master01 php]# docker push 10.0.0.204/wordpress/php:latest
    latest: digest: sha256:f6cedf70fdab45a37e8bbee3e27f82e7e573a1127e603edb2bc910e3a0713248 size: 1374
    
    kubernetes配置Harbor仓库
    [root@master01 php]# kubectl create secret docker-registry regcred --docker-server=10.0.0.204 --docker-username=admin --docker-password=123456 --docker-email=admin@example.com
    secret/regcred created
    
    部署php环境
    [root@master01 Dockerfile-lnmp]# cat php-deployment.yaml 
    apiVersion: v1
    kind: Service
    metadata:
      name: wordpress-php
      labels:
        app: wordpress
    spec:
      ports:
        - port: 9000
      selector:
        app: wordpress-php
        tier: frontend
    ---
    apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: wp-pvc01
      labels:
        app: wordpress
    spec:
      accessModes:
        - ReadWriteMany
      resources:
        requests:
          storage: 3Gi
    ---
    apiVersion: extensions/v1beta1
    kind: Deployment
    metadata:
      name: wordpress-php
      labels:
        app: wordpress
    spec:
      replicas: 3
      selector:
        matchLabels:
          app: wordpress-php
          tier: frontend
      strategy:
        type: Recreate
      template:
        metadata:
          labels:
            app: wordpress-php 
            tier: frontend
        spec:
          imagePullSecrets:
          - name: regcred
          containers:
          - name: php
            image: 10.0.0.204/wordpress/php:latest 
            ports:
            - containerPort: 9000
              name: wordpress
            volumeMounts:
            - name: php-data
              mountPath: "/usr/local/nginx/html"
          volumes:
          - name: php-data
            persistentVolumeClaim: 
              claimName: wp-pvc01
    [root@master01 Dockerfile-lnmp]# kubectl apply -f php-deployment.yaml 
    service/wordpress-php created
    persistentvolumeclaim/wp-pvc01 created
    deployment.extensions/wordpress-php created
              
    
    部署nginx环境
    [root@master01 Dockerfile-lnmp]# cat nginx-deployment.yaml
    apiVersion: v1
    kind: ConfigMap
    metadata:
      name: nginx-wp-config
    data:
      site.conf: |-
        server {
            listen 80;
            server_name localhost;
            root html;
            index index.php index.html;
    
            location ~ \.php$ {
                root html;
                fastcgi_pass wordpress-php:9000;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; 
                include fastcgi_params;
            }
        }
    ---
    apiVersion: v1
    kind: Service
    metadata:
      name: wordpress-nginx
      labels:
        app: wordpress
    spec:
      ports:
        - port: 80
      selector:
        app: wordpress-nginx
        tier: frontend
      type: NodePort
      sessionAffinity: ClientIP
    ---
    apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: wp-pvc02
      labels:
        app: wordpress
    spec:
      accessModes:
        - ReadWriteMany
      resources:
        requests:
          storage: 3Gi
    ---
    apiVersion: extensions/v1beta1
    kind: Deployment
    metadata:
      name: wordpress-nginx
      labels:
        app: wordpress
    spec:
      replicas: 3
      selector:
        matchLabels:
          app: wordpress-nginx
          tier: frontend
      strategy:
        type: Recreate
      template:
        metadata:
          labels:
            app: wordpress-nginx 
            tier: frontend
        spec:
          imagePullSecrets:
          - name: regcred
          containers:
          - name: nginx
            image: 10.0.0.204/wordpress/nginx:latest 
            ports:
            - containerPort: 80
              name: wordpress
            volumeMounts:
            - mountPath: "/usr/local/nginx/html"
              name: nginx-data
            - mountPath: "/usr/local/nginx/conf/vhost/site.conf"
              name: config 
              subPath: site.conf
          volumes:
          - name: nginx-data
            persistentVolumeClaim:
              claimName: wp-pvc02
          - name: config
            configMap: 
              name: nginx-wp-config
    [root@master01 Dockerfile-lnmp]# kubectl apply -f nginx-deployment.yaml
    configmap/nginx-wp-config created
    service/wordpress-nginx created
    persistentvolumeclaim/wp-pvc02 created
    deployment.extensions/wordpress-nginx created

**至此nginx mysql php pod 创建完成**

**查看pod,svc,pv,pvc,secret的状态**

[root@master01 Dockerfile-lnmp]# kubectl get pods
    NAME                               READY   STATUS    RESTARTS   AGE
    wordpress-mysql-7d5966b644-zn7sv   1/1     Running   1          57m
    wordpress-nginx-6655fdcd9-88fcj    1/1     Running   0          2m32s
    wordpress-nginx-6655fdcd9-fjxtc    1/1     Running   0          2m32s
    wordpress-nginx-6655fdcd9-tkks8    1/1     Running   0          2m32s
    wordpress-php-5f7d54fd99-8q8gg     1/1     Running   0          10m
    wordpress-php-5f7d54fd99-dzfl2     1/1     Running   0          10m
    wordpress-php-5f7d54fd99-pmvfb     1/1     Running   0          10m
    [root@master01 Dockerfile-lnmp]# kubectl get svc
    NAME              TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)        AGE
    kubernetes        ClusterIP   10.96.0.1        <none>        443/TCP        23d
    wordpress-mysql   ClusterIP   10.110.210.251   <none>        3306/TCP       59m
    wordpress-nginx   NodePort    10.101.18.182    <none>        80:32516/TCP   3m48s
    wordpress-php     ClusterIP   10.97.243.166    <none>        9000/TCP       12m
    [root@master01 Dockerfile-lnmp]# kubectl get pv,pvc
    NAME                        CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM                    STORAGECLASS   REASON   AGE
    persistentvolume/mysql-pv   2Gi        RWX            Retain           Bound    default/mysql-pv-claim                           63m
    persistentvolume/wp-pv01    3Gi        RWX            Retain           Bound    default/wp-pvc01                                 63m
    persistentvolume/wp-pv02    3Gi        RWX            Retain           Bound    default/wp-pvc02                                 63m
    
    NAME                                   STATUS   VOLUME     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
    persistentvolumeclaim/mysql-pv-claim   Bound    mysql-pv   2Gi        RWX                           60m
    persistentvolumeclaim/wp-pvc01         Bound    wp-pv01    3Gi        RWX                           12m
    persistentvolumeclaim/wp-pvc02         Bound    wp-pv02    3Gi        RWX                           4m31s
    [root@master01 Dockerfile-lnmp]# kubectl get secrets 
    NAME                  TYPE                                  DATA   AGE
    default-token-wg2cl   kubernetes.io/service-account-token   3      23d
    mysql-pass            Opaque                                1      59m
    regcred               kubernetes.io/dockerconfigjson        1      27m

**创建wordpress数据库**

[root@master01 ~]# kubectl exec -it wordpress-mysql-7d5966b644-zn7sv bash
    root@wordpress-mysql-7d5966b644-zn7sv:/# mysql -uroot -p
    Enter password: 
    Welcome to the MySQL monitor.  Commands end with ; or \g.
    Your MySQL connection id is 1
    Server version: 5.6.44 MySQL Community Server (GPL)
    
    Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
    
    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 (0.04 sec)
    
    mysql> exit
    Bye
    root@wordpress-mysql-7d5966b644-zn7sv:/# exit
    exit
    [root@nfs ~]# cd /k8s-wordpress/lnmpw/volumes/data/mysql/
    [root@nfs mysql]# ll
    总用量 110604
    -rw-rw---- 1 polkitd input       56 6月   2 19:34 auto.cnf
    -rw-rw---- 1 polkitd input 12582912 6月   2 19:41 ibdata1
    -rw-rw---- 1 polkitd input 50331648 6月   2 19:41 ib_logfile0
    -rw-rw---- 1 polkitd input 50331648 6月   2 19:34 ib_logfile1
    drwx------ 2 polkitd input     4096 6月   2 19:34 mysql
    drwx------ 2 polkitd input     4096 6月   2 19:34 performance_schema
    drwx------ 2 polkitd input       20 6月   2 20:34 wordpress

**配置wordpress**

[root@nfs nginx]# pwd
    /k8s-wordpress/lnmpw/volumes/data/nginx
    [root@nfs nginx]# ll
    总用量 8876
    drwxr-xr-x 5 nobody nfsnobody    4096 2月   8 2018 wordpress
    -rw-r--r-- 1 root   root      9082696 2月   8 2018 wordpress-4.9.4-zh_CN.tar.gz

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 3][]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 1]: /images/20220123/0fc4b32926a64fb9b0220c16d7c7fed6.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 2]: /images/20220123/23e707a67ce748c7b41b551ad38961c3.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 3]: /images/20220123/bae182712e1f4ac79936739807e3bdc0.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3ppc2VmZWl6aHU_size_16_color_FFFFFF_t_70 4]: /images/20220123/0b1127a450ac4580bf48a57473b9f3a8.png

Kubernetes+Lnmpw+Nfs+Harbor

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