本节重点介绍 :
部署
项目地址
- 项目地址 https://github.com/prometheus/mysqld_exporter
下载地址
wget -O /opt/tgzs/mysqld_exporter-0.12.1.linux-amd64.tar.gz https://github.com/prometheus/mysqld_exporter/releases/download/v0.12.1/mysqld_exporter-0.12.1.linux-amd64.tar.gz
ansible_mysql_exporter_16">使用ansible部署 mysql_exporter
ansible-playbook -i host_file service_deploy.yaml -e "tgz=mysqld_exporter-0.12.1.linux-amd64.tar.gz" -e "app=mysqld_exporter"
部署后发现服务未启动 ,报错如下
mysqld_exporter__26">mysqld_exporter需要接收 连接地址参数
- 通过环境变量注入,
- 在mysqld_exporter的service 文件中使用环境变量 DATA_SOURCE_NAME
# 代表localhost
Environment=DATA_SOURCE_NAME=exporter:123123@tcp/
同时为了降低数据暴露风险,创建专门的采集用户 exporter,并授权
mysql -uroot -p123123CREATE USER 'exporter'@'%' IDENTIFIED BY '123123' ;
GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO 'exporter'@'%';
FLUSH PRIVILEGES;
准备 service文件
cat <<EOF >mysqld_exporter.service
[Unit]
Description=mysqld_exporter Exporter
Wants=network-online.target
After=network-online.target[Service]
Environment=DATA_SOURCE_NAME=exporter:123123@tcp/
ExecStart=/opt/app/mysqld_exporter/mysqld_exporter
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=mysqld_exporter
[Install]
WantedBy=default.target
EOF
重启mysqld_exporter服务
systemctl daemon-reload
systemctl restart mysqld_exporter
修改service文件
- 准备 service文件
cat <<EOF> blackbox_exporter.service
[Unit]
Description=blackbox_exporter Exporter
Wants=network-online.target
After=network-online.target[Service]
ExecStart=/opt/app/blackbox_exporter/blackbox_exporter --config.file=/opt/app/blackbox_exporter/blackbox.yml
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=blackbox_exporter
[Install]
WantedBy=default.target
EOF
mysqld_exporter_95">重启mysqld_exporter服务
systemctl daemon-reload
systemctl restart mysqld_exporter
检查部署情况
# 查看端口 进程 日志
ss -ntlp |grep 9104
ps -ef |grep mysqld_exporter |grep -v grep