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node_exporter.sh

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+#!/bin/bash
+#####	name:一键安装node-exporter节点		#####
+#####	authro:xiaoz<xiaoz93@outlook.com>	#####
+#####	update:2021/12/09					#####
+
+#获取版本号
+VERSION=$1
+#instance名称
+INSTANCE=$2
+#用户名、密码
+USERNAME_PASSWORD=$3
+#安装目录
+INSTALL_PATH="/opt/node_exporter"
+
+#安装前准备
+depend(){
+	if [ -e "/usr/bin/yum" ]
+	then
+		yum -y install wget
+	else
+		#更新软件，否则可能make命令无法安装
+		apt-get -y update
+		apt-get install -y wget
+	fi
+	#创建目录
+	#mkdir -p ${INSTALL_PATH}
+}
+#下载
+download(){
+	wget -P /opt http://soft.xiaoz.org/linux/node_exporter-${VERSION}.linux-amd64.tar.gz
+	cd /opt && tar -xvf node_exporter-${VERSION}.linux-amd64.tar.gz
+	mv node_exporter-${VERSION}.linux-amd64 node_exporter
+}
+
+#一些额外的配置
+setting(){
+	
+cat >> $INSTALL_PATH/config.yaml << EOF
+basic_auth_users:
+  $USERNAME_PASSWORD
+EOF
+
+}
+
+#放行端口
+release_port{
+	firewall-cmd --zone=public --add-port=29100/tcp --permanent
+	firewall-cmd --reload
+}
+
+
+#注册服务并启动
+reg_systemd(){
+	echo "Registering service..."
+echo "[Unit]
+Description=Node Exporter
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+User=prometheus
+ExecStart=${INSTALL_PATH}/node_exporter --web.listen-address=":29100" --web.config=${INSTALL_PATH}/config.yaml
+
+[Install]
+WantedBy=default.target" > /etc/systemd/system/node_exporter.service
+	#重载服务
+	systemctl daemon-reload
+	#启动服务
+	systemctl start node_exporter.service
+}
+
+#清理工作
+clean_work() {
+	rm -rf /opt/node_exporter-${VERSION}.linux-amd64.tar.gz
+}
+
+depend && download && setting release_port && reg_systemd