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FAQ
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FAQ
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如何搬迁主控
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注意：下面的迁移步骤不包括迁移elasticsearch的数据
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1 备份旧主控数据
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在旧主控执行如下命令开始备份（注意：备份前会停止旧主控的进程）
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cd /root
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curl http://us.centos.bz/cdnfly/backup_master.sh -o backup_master.sh
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chmod +x backup_master.sh
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./backup_master.sh
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这时候将在目录/root下，打包生成cdn.sql.gz文件，请把这个文件传输到新主控的/root/目录下，可以使用scp命令，命令如下：
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cd /root
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scp cdn.sql.gz root@新主控IP:/root/
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2 在新机器安装好主控程序
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首先登录cdnfly.cn，更新授权为新主控ip，并清空机器码
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登录旧主控机器，执行如下命令查看版本:
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grep VERSION_NAME /opt/cdnfly/master/conf/config.py
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如下图，版本为v4.1.6：
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登录新机器，执行如下命令安装:
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curl http://dl.cdnfly.cn/cdnfly/master.sh -o master.sh
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chmod +x master.sh
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./master.sh --ver v4.1.60
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其中v4.1.60替换成自己的主控版本号
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3 登录新主控，恢复备份
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执行如下命令恢复
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cd /root
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curl http://us.centos.bz/cdnfly/restore_master.sh -o restore_master.sh
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chmod +x restore_master.sh
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./restore_master.sh
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从旧主控下载/opt/cdnfly/master/conf/config.py上传到新主控覆盖
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然后在新主控初始化es,重启新主控
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执行如下命令初始化:
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cd /tmp
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wget us.centos.bz/cdnfly/int_es.sh -O int_es.sh
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chmod +x int_es.sh
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./int_es.sh /home/es
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supervisorctl restart all
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其中/var/lib/elasticsearch为es的数据目录，可以更改成其它的，比如/home/es
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4 替换节点里的主控IP
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一个个登录节点，执行如下命令替换
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new_master_ip="这里替换为新主控IP"
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sed -i "s/ES_IP =.*/ES_IP = \"$new_master_ip\"/" /opt/cdnfly/agent/conf/config.py
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sed -i "s/MASTER_IP.*/MASTER_IP = \"$new_master_ip\"/g" /opt/cdnfly/agent/conf/config.py
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sed -i "s/hosts:.*/hosts: [\"$new_master_ip:9200\"]/" /opt/cdnfly/agent/conf/filebeat.yml
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logs_path=`awk '/error_log/{print $2}' /usr/local/openresty/nginx/conf/nginx.conf | sed 's/error.log//'`
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if [[ `echo $logs_path | grep ^/ ` != "" ]];then
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sed -i "s#.*access.log# - $logs_path/access.log#" /opt/cdnfly/agent/conf/filebeat.yml
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sed -i "s#.*stream.log# - $logs_path/stream.log#" /opt/cdnfly/agent/conf/filebeat.yml
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fi
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sed -i "s#http://.*:88#http://$new_master_ip:88#" /usr/local/openresty/nginx/conf/listen_80.conf /usr/local/openresty/nginx/conf/listen_other.conf
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ps aux | grep [/]usr/local/openresty/nginx/sbin/nginx | awk '{print $2}' | xargs kill -HUP || true
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supervisorctl restart filebeat
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supervisorctl restart agent
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supervisorctl restart task
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5 迁移完成
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登录新主控后台，在首页点击检查agent，如果没有错误，表示主控迁移完成。
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如何获取授权
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如何授权到期，或者在授权前安装程序，可以登录主控，执行如下命令获取授权：
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# 获取授权
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source /opt/venv/bin/activate
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cd /opt/cdnfly/master/view
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ret=`python -c "import util;print util.get_auth_code()" || true`
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[[ $ret == "(True, None)" ]] && echo "已获取到授权" || echo "未授权，原因:"$ret
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deactivate
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如何取消管理端域名绑定
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在主控上执行如下命令
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mysql -uroot -p@cdnflypass cdn -e "update config set value='' where name='admin_domain';"
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mysql -uroot -p@cdnflypass cdn -e "update config set value='' where name='user_domain';"
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如何重置主控密码
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执行如下命令，重置密码为cdnfly，用户名不变
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mysql -uroot -p@cdnflypass cdn -e 'update user set password="$2b$12$UV5ttpNQizMfO.tiBk9ereZ53hDBW0.kak3qa/GRP6aVBfNMB1NsK" where id=1'
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如何初始化elasticsearch
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当elasticsearch出现无法解决的异常，或者elasticsearch数据占满了硬盘，可以执行此操作来初始化elasticsearch，注意：初始化elasticsearch会清空其所有的数据。
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执行如下命令初始化:
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cd /tmp
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wget http://us.centos.bz/cdnfly/int_es.sh -O int_es.sh
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chmod +x int_es.sh
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./int_es.sh /home/es
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其中/home/es为es的数据目录，也可以更改成其它的。
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如何更换主控IP
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首先登录官网修改授权的主控 IP，然后登录每个节点，执行下面的命令:
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new_master_ip="这里替换为主控IP"
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es_pwd="这里替换为es密码"
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sed -i "s/ES_IP =.*/ES_IP = \"$new_master_ip\"/" /opt/cdnfly/agent/conf/config.py
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sed -i "s/MASTER_IP.*/MASTER_IP = \"$new_master_ip\"/g" /opt/cdnfly/agent/conf/config.py
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sed -i "s/hosts:.*/hosts: [\"$new_master_ip:9200\"]/" /opt/cdnfly/agent/conf/filebeat.yml
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sed -i "s#http://.*:88#http://$new_master_ip:88#" /usr/local/openresty/nginx/conf/listen_80.conf /usr/local/openresty/nginx/conf/listen_other.conf
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sed -i "s/ES_PWD =.*/ES_PWD = \"$es_pwd\"/" /opt/cdnfly/agent/conf/config.py
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sed -i "s/password:.*/password: \"$es_pwd\"/" /opt/cdnfly/agent/conf/filebeat.yml
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sed -i "s/agent-pwd:.*/agent-pwd: \"$es_pwd\"/" /opt/cdnfly/agent/conf/filebeat.yml
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ps aux | grep [/]usr/local/openresty/nginx/sbin/nginx | awk '{print $2}' | xargs kill -HUP || true
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supervisorctl restart filebeat
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supervisorctl restart agent
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supervisorctl restart task
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注：es密码在主控的/opt/cdnfly/master/conf/config.py里的LOG_PWD
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安装代理软件
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当主控无法直接与节点连接时，可以通过代理来连接，这里介绍安装代理软件的方法，目前只支持centos系统，安装命令如下
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cd /tmp
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wget http://us.centos.bz/cdnfly/install_proxy.sh
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chmod +x install_proxy.sh
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./install_proxy.sh
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安装完成后，会显示代理的端口，用户名和密码。
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手动备份数据库
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eval `grep "MYSQL_PASS" /opt/cdnfly/master/conf/config.py` && mysqldump -uroot -p$MYSQL_PASS cdn | gzip > /root/
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