使用OpenFalcon监控服务器

2019-04-08 宋洋葱 宋洋葱

安装mysql

yum -y install mariadb-server
systemctl start mariadb
systemctl status mariadb
systemctl enable mariadb
#mysql_secure_installation #设置root密码
mysqladmin -u root -p version

安装rdis

yum -y install redis
#vim /etc/redis.conf 改端口和密码
systemctl start redis
systemctl enable redis
redis-cli
auth

安装falcon后端

#安装后端
cd /tmp/ && git clone https://github.com/open-falcon/falcon-plus.git 
cd /tmp/falcon-plus/scripts/mysql/db_schema/

# mysql 密码
PASSWORD=root  
mysql -h 127.0.0.1 -uroot -p$PASSWORD < 1_uic-db-schema.sql
mysql -h 127.0.0.1 -uroot -p$PASSWORD < 2_portal-db-schema.sql
mysql -h 127.0.0.1 -uroot -p$PASSWORD < 3_dashboard-db-schema.sql
mysql -h 127.0.0.1 -uroot -p$PASSWORD < 4_graph-db-schema.sql
mysql -h 127.0.0.1 -uroot -p$PASSWORD < 5_alarms-db-schema.sql
rm -rf /tmp/falcon-plus/

wget https://github.com/open-falcon/falcon-plus/releases/download/v0.2.1/open-falcon-v0.2.1.tar.gz
export FALCON_HOME=/home/work
export WORKSPACE=$FALCON_HOME/open-falcon
mkdir -p $WORKSPACE
tar -xzvf open-falcon-v0.2.1.tar.gz -C $WORKSPACE
cd $WORKSPACE

# 改配置文件的密码
# sed 's/要被取代的字串/新的字串/g'
grep -Ilr 3306  ./ | xargs -n1 -- sed -i 's/root:/root:$PASSWORD/g'

# 启动
./open-falcon start
# 检查所有模块的启动状况
./open-falcon check

# 建议开放内网端口
# firewall-cmd --permanent --add-rich-rule='rule family=ipv4 source address=192.168.1.0/24 accept'
firewall-cmd --add-rich-rule='rule family=ipv4 source address=192.168.1.0/24 accept'

安装falcon前端

yum install -y epel-release git python-virtualenv python-devel openldap-devel mysql-devel
yum -y groupinstall "Development tools"
git clone https://github.com/open-falcon/dashboard.git
cd $WORKSPACE/dashboard/
virtualenv ./env
./env/bin/pip install -r pip_requirements.txt -i https://pypi.douban.com/simple

# 修改数据库配置文件 cat rrd/config.py |grep DB
vim rrd/config.py

# 修改falcon的web端口
cat ./gunicorn.conf 
# 启动falcon前端
bash control start

关闭注册账号功能

#1.打开浏览器注册root账号
#2.然后将signup_disable配置项修改为true
cat api/config/cfg.json |grep signup_disable
#3.重启 api
./open-falcon restart api

其他服务器安装agent

# 把open-falcon-v0.2.1.tar.gz 拷贝到需要安装的服务器上
export WORKSPACE=/home/soft/open-falcon
mkdir -p $WORKSPACE
tar -xzvf open-falcon* -C $WORKSPACE ./open-falcon ./agent 
cd $WORKSPACE

#修改heartbeat与transfer的ip地址 改为实际的后端地址
cat agent/config/cfg.json |grep addr
# 启动
./open-falcon start agent
# 查看日志
tail -f agent/logs/agent.log 
# 让agent开机启动
echo "cd /home/soft/open-falcon && ./open-falcon start agent" >> /etc/rc.d/rc.local
chmod +x /etc/rc.d/rc.local

开启邮件报警

#https://github.com/open-falcon/mail-provider
# 使用QQ邮箱的smtp服务
export WORKSPACE=/home/work/open-falcon/falcon-mail
wget https://dl.cactifans.com/open-falcon/falcon-mail-provider.tar.gz
mkdir -p $WORKSPACE
tar zxvf falcon-mail-provider.tar.gz -C $WORKSPACE
cd $WORKSPACE
# 配置smtp服务器地址
vim cfg.json
#启动
./control start
#测试
curl http://127.0.0.1:4000/sender/mail -d "tos=sxy9103@qq.com&subject=falcon-mail-test&content=test"

# 修改Alarm组件api下的mail地址 及dashboardd地址
# "mail": "http://127.0.0.1:4000/sender/mail"
vim ../alarm/config/cfg.json

#重启alarm
cd .. && ./open-falcon restart alarm

参考