#!/bin/
bash
#
# rhel7.4 安装node_exporter 用于监控数据采集
# Usage:
# sh addNode.
sh
#Logs: /var/log/
messages
#History: 2019/
8/
2 v3
#Create_Time: 2019-
08-
02
# USE: small_wei
#
#
WEB_PATH=
'http://12.0.94.46:8086' #这里是我测试环境下的文件下载链接路径
Install_PATH=/opt/
node
Server_file=/usr/lib/systemd/
system
RED_COLOR=
'\E[1;31m' #红
GREEN_COLOR=
'\E[1;32m' #绿
RES=
'\E[0m'
node_user=
node
node_group=
node
Time_date=$(
date +
"%Y%m%d%H%M%S")
if [ ! $(
id -u) ==
0 ];
then
echo -e
"${GREEN_COLOR}Please run with the root user!${RES}"
exit 22
fi
#防止重复执行
if [ $(
ps -ef |
grep $
0 |
grep -v
grep |
wc -l) -gt
2 ];
then #理论值为
1 ， 但这里是
2
echo -e
"${RED_COLOR} $0 The script is executing, do not repeat!, Run id is $$${RES}"
exit 22
fi
#create group if not exists
egrep "^${node_group}" /etc/group
2>/dev/
null
if [ $? -ne
0 ];
then
groupadd ${node_group}
echo -e
"${node_group} group Creating a successful"
fi
#create user if not exists
egrep "^${node_user}" /etc/
passwd 2>/dev/
null
if [ $? -ne
0 ];
then
useradd -
g ${node_group} ${node_user}
echo -e
"${node_user} user Creating a successful"
fi
port=`netstat -anp|
grep 9100`
if test -z
"${port}"
then
mkdir -
p ${Install_PATH}
chown -
R ${node_user}:${node_user} ${Install_PATH}
wget -p ${Install_PATH} $WEB_PATH/downloadFile/
node_exporter
chmod +x ${Install_PATH}/
node_exporter
if [[ $? ==
0 ]];
then
echo -e
"${GREEN_COLOR}Environment readiness complete${RES}"
fi
#-----------------
if [ -f
"${Server_file}/node_exporter.service" ];
then
cp -f ${Server_file}/node_exporter.service ${Server_file}/
node_exporter.service.bak${Time_date}
fi
if [ $? ==
0 ];
then
echo -e
"${GREEN_COLOR}node_exporter.service.bak${Time_date} File The backup successful${RES}"
else
echo -e
"${RED_COLOR}node_exporter.service.bak${Time_date} File backup failed${RES}"
exit 22
fi
cat >${Server_file}/node_exporter.service <<-
EOF
[Unit]
Description=
Prometheus node exporter
Documentation=https:
//prometheus.io/
After=local-fs.target network-
online.target network.target
Wants=local-fs.target network-
online.target network.target
[Service]
User=
${node_user}
Group=
${node_group}
Type=
simple
#ExecStart=${Install_PATH}/node_exporter --web.listen-address=:
9100 --log.level=
error
ExecStart=${Install_PATH}/node_exporter --web.listen-address=:
9100 --log.level=
info
[Install]
WantedBy=multi-
user.target
EOF
systemctl daemon-
reload
systemctl restart node_exporter
if [ $? ==
0 ];
then
echo -e
"${GREEN_COLOR}node_exporte Server start success!${RES}"
else
echo -e
"${RED_COLOR}node_exporte Server start ERROR!${RES}"
exit 22
fi
#------------------
else
echo -e
"${GREEN_COLOR}port:9100 is busy,failed${RES}"
fi
systemctl enable node_exporter
systemctl status node_exporter
#验证
curl -I -m
3 -o /dev/
null -s -
w %{http_code}
127.0.
0.1:
9100 \n
if [ $? ==
0 ];
then
echo -e
"${GREEN_COLOR}register node in consul success${RES}"
else
echo -e
"${RED_COLOR}Registration failed or registered, please check! ${RES}"
exit 22
fi
转载于:https://www.cnblogs.com/small-wei/p/11307705.html
