案例实施 1. 基础环境准备 (1)导入软件包 下载并解压软件包:
1 2 3 4 5 6 7 8 9 10 11 12 13 [root@master ~]# wget http://mirrors.douxuedu.com/competition/Pig.tar.gz [root@master ~]# tar -xf Pig.tar.gz [root@master ~]# ll Pig total 206752 -rw------- 1 root root 211696640 Jan 12 17:24 CentOS_7.9.2009.tar drwxr-xr-x 2 root root 85 Jan 5 08:58 mysql drwxr-xr-x 3 root root 37 Jan 5 08:56 nginx drwxr-xr-x 2 root root 97 Jan 5 08:56 service drwxr-xr-x 3 root root 12288 Jan 5 08:56 yum 导入CentOS:7.9.2009镜像: [root@master ~]# docker load -i Pig/CentOS_7.9.2009.tar Loaded image: centos:centos7.9.2009
(2)启动Kubernetes集群 初始化Kubernetes集群:
1 2 3 4 5 6 7 8 [root@master ~]# init-cluster 查看集群状态: [root@master ~]# kubectl cluster-info Kubernetes control plane is running at https://apiserver.cluster.local:6443 CoreDNS is running at https://apiserver.cluster.local:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
2. 容器化部署MariaDB (1)编写Dockerfile 编写init.sh脚本:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 [root@master ~]# cd Pig/ [root@master Pig]# vi mysql_init.sh #!/bin/bash mysql_install_db --user=root mysqld_safe --user=root & sleep 8 mysqladmin -u root password 'root' mysql -uroot -proot -e "grant all on *.* to 'root'@'%' identified by 'root';flush privileges;" mysql -uroot -proot -e "source /opt/pig.sql;source /opt/pig_codegen.sql;source /opt/pig_config.sql;source /opt/pig_job.sql;" 编写yum源: [root@master Pig]# vi local.repo [pig] name=pig baseurl=file:///root/yum gpgcheck=0 enabled=1 编写Dockerfile文件: [root@master Pig]# vi Dockerfile-mariadb FROM centos:centos7.9.2009 MAINTAINER Chinaskills RUN rm -rf /etc/yum.repos.d/* COPY local.repo /etc/yum.repos.d/ COPY yum /root/yum ENV LC_ALL en_US.UTF-8 RUN yum -y install mariadb-server COPY mysql /opt/ COPY mysql_init.sh /opt/ RUN bash /opt/mysql_init.sh EXPOSE 3306 CMD ["mysqld_safe","--user=root"]
(2)构建镜像 构建镜像:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 [root@master Pig]# docker build -t pig-mysql:v1.0 -f Dockerfile-mariadb . Sending build context to Docker daemon 890.9MB Step 1/12 : FROM centos:centos7.9.2009 ---> eeb6ee3f44bd Step 2/12 : MAINTAINER Chinaskills ---> Using cache ---> 815a4a5f2242 Step 3/12 : RUN rm -rf /etc/yum.repos.d/* ---> Using cache ---> 6afa0315cb5b Step 4/12 : COPY local.repo /etc/yum.repos.d/ ---> Using cache ---> 4f07e082cc00 Step 5/12 : COPY yum /root/yum ---> Using cache ---> 7042f9e7f455 Step 6/12 : ENV LC_ALL en_US.UTF-8 ---> Using cache ---> df0aa8985d61 Step 7/12 : RUN yum -y install mariadb-server ---> Using cache ---> 9ad09d62d373 Step 8/12 : COPY mysql /opt/ ---> Using cache ---> 75adb0e3bbb0 Step 9/12 : COPY mysql_init.sh /opt/ ---> Using cache ---> 3cc10e8ca0cc Step 10/12 : RUN bash /opt/mysql_init.sh ---> Using cache ---> f7fe9f822cc3 Step 11/12 : EXPOSE 3306 ---> Using cache ---> 70f2274acbeb Step 12/12 : CMD ["mysqld_safe","--user=root"] ---> Using cache ---> f088fb18dedf Successfully built f088fb18dedf Successfully tagged pig-mysql:v1.0
3. 容器化部署Redis (1)编写Dockerfile 编写Dockerfile文件:
1 2 3 4 5 6 7 8 9 10 11 [root@master Pig]# vi Dockerfile-redis FROM centos:centos7.9.2009 MAINTAINER Chinaskills RUN rm -rf /etc/yum.repos.d/* COPY local.repo /etc/yum.repos.d/ COPY yum /root/yum RUN yum -y install redis RUN sed -i 's/127.0.0.1/0.0.0.0/g' /etc/redis.conf && \ sed -i 's/protected-mode yes/protected-mode no/g' /etc/redis.conf EXPOSE 6379 CMD ["/usr/bin/redis-server","/etc/redis.conf"]
(2)构建镜像 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 [root@master Pig]# docker build -t pig-redis:v1.0 -f Dockerfile-redis . Sending build context to Docker daemon 890.9MB Step 1/9 : FROM centos:centos7.9.2009 ---> eeb6ee3f44bd Step 2/9 : MAINTAINER Chinaskills ---> Using cache ---> 815a4a5f2242 Step 3/9 : RUN rm -rf /etc/yum.repos.d/* ---> Using cache ---> 6afa0315cb5b Step 4/9 : COPY local.repo /etc/yum.repos.d/ ---> Using cache ---> 4f07e082cc00 Step 5/9 : COPY yum /root/yum ---> Using cache ---> 7042f9e7f455 Step 6/9 : RUN yum -y install redis ---> Using cache ---> 2d0b65ca48f0 Step 7/9 : RUN sed -i 's/127.0.0.1/0.0.0.0/g' /etc/redis.conf && sed -i 's/protected-mode yes/protected-mode no/g' /etc/redis.conf ---> Using cache ---> fcb84f12d0cf Step 8/9 : EXPOSE 6379 ---> Using cache ---> 37ac24f680d6 Step 9/9 : CMD ["/usr/bin/redis-server","/etc/redis.conf"] ---> Using cache ---> ee5f16785493 Successfully built ee5f16785493 Successfully tagged pig-redis:v1.0
4. 容器化部署Pig (1)编写Dockerfile 编写启动脚本:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 [root@master Pig]# vi pig_init.sh #!/bin/bash sleep 20 nohup java -jar /root/pig-register.jar $JAVA_OPTS >/dev/null 2>&1 & sleep 20 nohup java -jar /root/pig-gateway.jar $JAVA_OPTS >/dev/null 2>&1 & sleep 20 nohup java -jar /root/pig-auth.jar $JAVA_OPTS >/dev/null 2>&1 & sleep 20 nohup java -jar /root/pig-upms-biz.jar $JAVA_OPTS >/dev/null 2>&1 编写Dockerfile文件: [root@master Pig]# vi Dockerfile-pig FROM centos:centos7.9.2009 MAINTAINER Chinaskills COPY service /root ADD yum /root/yum RUN rm -rfv /etc/yum.repos.d/* COPY local.repo /etc/yum.repos.d/local.repo RUN yum install -y java-1.8.0-openjdk java-1.8.0-openjdk-devel COPY pig_init.sh /root RUN chmod +x /root/pig_init.sh EXPOSE 8848 9999 3000 4000 CMD ["/bin/bash","/root/pig_init.sh"]
(2)构建镜像 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 [root@master Pig]# docker build -t pig-service:v1.0 -f Dockerfile-pig . Sending build context to Docker daemon 890.9MB Step 1/11 : FROM centos:centos7.9.2009 ---> eeb6ee3f44bd Step 2/11 : MAINTAINER Chinaskills ---> Using cache ---> 24a91af3317f Step 3/11 : COPY service /root ---> Using cache ---> d5fe8134b1ed Step 4/11 : ADD yum /root/yum ---> Using cache ---> 41cc1285cd49 Step 5/11 : RUN rm -rfv /etc/yum.repos.d/* ---> Using cache ---> 2b8dc2f278e0 Step 6/11 : COPY local.repo /etc/yum.repos.d/local.repo ---> Using cache ---> a61d69862c5c Step 7/11 : RUN yum install -y java-1.8.0-openjdk java-1.8.0-openjdk-devel ---> Using cache ---> 92ccadeb64b6 Step 8/11 : COPY pig_init.sh /root ---> Using cache ---> 1ab999a18ce1 Step 9/11 : RUN chmod +x /root/pig_init.sh ---> Using cache ---> dff4a7c6bba7 Step 10/11 : EXPOSE 8848 9999 3000 4000 ---> Using cache ---> d4e37e3952af Step 11/11 : CMD ["/bin/bash","/root/pig_init.sh"] ---> Using cache ---> acb3d73b810a Successfully built acb3d73b810a Successfully tagged pig-service:v1.0
5. 容器化部署前端服务 (1)编写Dockerfile 编写Dockerfile:
1 2 3 4 5 6 7 8 9 10 11 12 [root@master Pig]# vi Dockerfile-nginx FROM centos:centos7.9.2009 MAINTAINER Chinaskills RUN rm -rf /etc/yum.repos.d/* COPY local.repo /etc/yum.repos.d/ COPY yum /root/yum RUN yum -y install nginx COPY nginx/dist /data ADD nginx/pig-ui.conf /etc/nginx/conf.d/ RUN /bin/bash -c 'echo init ok' EXPOSE 80 CMD ["nginx","-g","daemon off;"]
(2)构建镜像 构建镜像:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 [root@master Pig]# docker build -t pig-ui:v1.0 -f Dockerfile-nginx . Sending build context to Docker daemon 890.9MB Step 1/11 : FROM centos:centos7.9.2009 ---> eeb6ee3f44bd Step 2/11 : MAINTAINER Chinaskills ---> Using cache ---> 815a4a5f2242 Step 3/11 : RUN rm -rf /etc/yum.repos.d/* ---> Using cache ---> 6afa0315cb5b Step 4/11 : COPY local.repo /etc/yum.repos.d/ ---> Using cache ---> 4f07e082cc00 Step 5/11 : COPY yum /root/yum ---> Using cache ---> 7042f9e7f455 Step 6/11 : RUN yum -y install nginx ---> Using cache ---> b6ee699b51ed Step 7/11 : COPY nginx/dist /data ---> Using cache ---> 04b6d05ba642 Step 8/11 : ADD nginx/pig-ui.conf /etc/nginx/conf.d/ ---> Using cache ---> 661b56e2cff6 Step 9/11 : RUN /bin/bash -c 'echo init ok' ---> Using cache ---> 0d98b6d8a81c Step 10/11 : EXPOSE 80 ---> Using cache ---> b1f5ecafc494 Step 11/11 : CMD ["nginx","-g","daemon off;"] ---> Using cache ---> c20fc29b9daa Successfully built c20fc29b9daa Successfully tagged pig-ui:v1.0
6. 编排部署Pig快速开发平台 (1)编写docker-compose.yaml 编写docker-compose.yaml编排文件:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 [root@master Pig]# vi docker-compose.yaml version: '2' services: pig-mysql: environment: MYSQL_ROOT_PASSWORD: root restart: always container_name: pig-mysql image: pig-mysql:v1.0 ports: - 3306:3306 links: - pig-service:pig-register pig-redis: image: pig-redis:v1.0 ports: - 6379:6379 restart: always container_name: pig-redis hostname: pig-redis links: - pig-service:pig-register pig-service: ports: - 8848:8848 - 9999:9999 restart: always container_name: pig-service hostname: pig-service image: pig-service:v1.0 extra_hosts: - pig-register:127.0.0.1 - pig-upms:127.0.0.1 - pig-gateway:127.0.0.1 - pig-auth:127.0.0.1 - pig-hou:127.0.0.1 stdin_open: true tty: true privileged: true pig-ui: restart: always container_name: pig-ui image: pig-ui:v1.0 ports: - 8888:80 links: - pig-service:pig-gateway
(2)部署服务 部署服务
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 [root@master Pig]# docker-compose up -d [+] Running 5/5 ⠿ Network pig_default Created 0.1s ⠿ Container pig-service Started 0.7s ⠿ Container pig-mysql Started 1.5s ⠿ Container pig-redis Started 1.7s ⠿ Container pig-ui Started 1.8s 查看服务: [root@master Pig]# docker-compose ps NAME COMMAND SERVICE STATUS PORTS pig-mysql "mysqld_safe --user=…" pig-mysql running 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp pig-redis "/usr/bin/redis-serv…" pig-redis running 0.0.0.0:6379->6379/tcp, :::6379->6379/tcp pig-service "/bin/bash /root/pig…" pig-service running 0.0.0.0:8848->8848/tcp, 0.0.0.0:9999->9999/tcp, :::8848->8848/tcp, :::9999->9999/tcp pig-ui "nginx -g 'daemon of…" pig-ui running 0.0.0.0:8888->80/tcp, :::8888->80/tcp 等待3分钟左右,在浏览器上通过http://master_IP:8888访问Pig,