Prometheus+Grafana+Altermanager监控告警（五）

node exporter

curl -Lo /etc/yum.repos.d/_copr_ibotty-prometheus-exporters.repo https://copr.fedorainfracloud.org/coprs/ibotty/prometheus-exporters/repo/epel-7/ibotty-prometheus-exporters-epel-7.repo

yum install node_exporter -y

 

# 部署node_exporter

# apply_node_exporter.sh

#!/bin/bash
cd /tmp
mkdir -p /data/node_exporter
wget 10.5.250.10:8888/node_exporter/start_node_exporter_centos.sh -O /data/node_exporter/start_node_exporter_centos.sh
echo "启动 node_exporter"
bash /data/node_exporter/start_node_exporter_centos.sh
echo "添加开机启动"
if ! grep "start_node_exporter_centos.sh" /etc/rc.d/rc.local; then
    echo "第一次添加"
    echo "/data/node_exporter/start_node_exporter_centos.sh" >> /etc/rc.d/rc.local
else
    echo "启动项已存在"
fi

# start_node_exporter_centos.sh

#!/bin/bash
mkdir -p /data/node_exporter
CentOS_Linux_release=$(awk -F 'CentOS Linux release' '{print $NF}' /etc/redhat-release | awk -F '.' '{print $1}'  | sed 's# ##g')
Node_exporter_path="/data/node_exporter/node_exporter_centos${CentOS_Linux_release}"
#判断系统版本
if [ "${CentOS_Linux_release}" == "7" ]; then
    echo "CentOS Linux release 7"
    NODE_EXPORTER_RELEASE='node_exporter_centos7'
elif [ "${CentOS_Linux_release}" == "6" ]; then
    echo "CentOS Linux release 6"
    NODE_EXPORTER_RELEASE='node_exporter_centos6'
    exit 998
else
    echo "不支持的 CentOS Linux release" 1>&2
    exit 999
fi


if ! [ -e "${Node_exporter_path}" ]; then
    echo "初始化下载node_exporter"
    if ! wget 10.5.250.10:8888/node_exporter/node_exporter_centos${CentOS_Linux_release} -O ${Node_exporter_path}; then
        echo "初始化下载 node_exporter 失败"
        exit 997
    else
        chmod +x ${Node_exporter_path}
    fi
fi


if ss -ntlp | grep 9100; then
    echo "系统存在运行中的node_exporter 或者 端口9090 被占用"
    exit 996
fi


echo "启动 ${CentOS_Linux_release}"
exec nohup /data/node_exporter/node_exporter_centos${CentOS_Linux_release} &>/var/log/node_exporter.log &

# ansible

# apply_node_export.sh

#!/bin/bash
if [ -z "$1" ];then
    echo "需要输入ansible 分组" 1>&2
    exit 999
fi
ansible $1 -m copy -a 'src=/etc/ansible/files/prometheus_node_exporter/apply_node_exporter.sh dest=/tmp/apply_node_exporter.sh mode=0755 owner=root group=root'
ansible $1 -m shell -a '/tmp/apply_node_exporter.sh'