centos7 exporter

run.sh

#!/bin/bash

##reconfig yum
	
mkdir /etc/yum.repos.d/old
mv /etc/yum.repos.d/CentOS*.repo /etc/yum.repos.d/old/
mv /etc/yum.repos.d/epel*.repo /etc/yum.repos.d/old/

echo '[base]
name=CentOS-7.9.2009 - Base
baseurl=http://vault.centos.org/7.9.2009/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=1
metadata_expire=never
 
#released updates
[updates]
name=CentOS-7.9.2009 - Updates
baseurl=http://vault.centos.org/7.9.2009/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=1
metadata_expire=never
 
# additional packages that may be useful
[extras]
name=CentOS-7.9.2009 - Extras
baseurl=http://vault.centos.org/7.9.2009/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=1
metadata_expire=never
 
# additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-7.9.2009 - CentOSPlus
baseurl=http://vault.centos.org/7.9.2009/centosplus/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=0
metadata_expire=never
 
#fasttrack - packages by Centos Users
[fasttrack]
name=CentOS-7.9.2009 - Contrib
baseurl=http://vault.centos.org/7.9.2009/fasttrack/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
enabled=0
metadata_expire=never' > /etc/yum.repos.d/CentOS.repo

echo '
[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
baseurl=https://archives.fedoraproject.org/pub/archive/epel/7/$basearch
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
metadata_expire=never
 
[epel-debuginfo]
name=Extra Packages for Enterprise Linux 7 - $basearch - Debug
baseurl=https://archives.fedoraproject.org/pub/archive/epel/7/$basearch/debug
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
gpgcheck=1
metadata_expire=never
 
[epel-source]
name=Extra Packages for Enterprise Linux 7 - $basearch - Source
baseurl=https://archives.fedoraproject.org/pub/archive/epel/7/SRPMS
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
gpgcheck=1
metadata_expire=never' > /etc/yum.repos.d/epel.repo

yum clean all
yum check-update


#install node exporter
cd /usr/src/
wget -c "https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-amd64.tar.gz"
tar -xvf node_exporter-1.8.2.linux-amd64.tar.gz
cd node_exporter-1.8.2.linux-amd64/;
mv node_exporter /usr/local/bin/

echo '
[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target

[Service]
Type=simple
User=node_exporter
Group=node_exporter
ExecStart=/usr/local/bin/node_exporter

[Install]
WantedBy=multi-user.target' > /etc/systemd/system/node_exporter.service
useradd -rs /bin/false node_exporter
systemctl daemon-reload
systemctl enable node_exporter
systemctl start node_exporter
systemctl status node_exporter