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ELK自动安装脚本
一、简介
ELK由Elasticsearch、Logstash和Kibana三部分组件组成;
Elasticsearch是个开源分布式搜索引擎,它的特点有:分布式,零配置,自动发现,索引自动分片,索引副本机制,restful风格接口,多数据源,自动搜索负载等。
Logstash是一个完全开源的工具,它可以对你的日志进行收集、分析,并将其存储供以后使用
kibana 是一个开源和免费的工具,它可以为 Logstash 和 ElasticSearch 提供的日志分析友好的 Web 界面,可以帮助您汇总、分析和搜索重要数据日志。
二、核心组件
Logstash: logstash server端用来搜集日志;
Elasticsearch: 存储各类日志;
Kibana: web化接口用作查寻和可视化日志;
Filebeat是一个日志文件托运工具,在你的服务器上安装客户端后,filebeat会监控日志目录或者指定的日志文件,追踪读取这些文件(追踪文件的变化,不停的读),并且转发这些信息到elasticsearch或者logstarsh中存放。
三、安装脚本
注意:vim /etc/hosts 添加ip及主机名; 注意:服务器的内存如果服务器内存低的话会导致elasticsearch启动不了;
自定义shell脚本名称 vim Autoinstall_ELK_V1.3.sh 复制粘贴一下内容执行。
#!/bin/bash #mail:lishilong@co-mall.com #data:2019/1/9 #AutoInstall ELK scripts #Software:elasticsearch-5.4.1/logstash-5.4.1/filebeat-5.4.1/kibana-5.4.1 clear echo "#############################################################################" echo "# Auto Install ELK. ##" echo "# Press Ctrl+C to cancel ##" echo "# Any key to continue ##" echo "# Softwae:elasticsearch-5.4.1/logstash-5.4.1/filebeat-5.4.1/kibana-5.4.1 ##" echo "#############################################################################" read -n 1 software_dir="/usr/local/software" elasticsearch_url="https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.4.1.tar.gz" kibana_url="https://artifacts.elastic.co/downloads/kibana/kibana-5.4.1-linux-x86_64.tar.gz" logstash_url="https://artifacts.elastic.co/downloads/logstash/logstash-5.4.1.tar.gz" filebeat_url="https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-5.4.1-linux-x86_64.tar.gz" sys_version=`cat /etc/redhat-release |awk '{print $4}'|cut -d. -f1` IP=`ip addr|grep "inet "|grep -v 127.0.0.1|awk '{print $2}'|cut -d/ -f1` jvm_conf="/usr/local/elasticsearch/config/jvm.options" sys_mem=`free -m|grep Mem:|awk '{print $2}'|awk '{sum+=$1} END {print sum/1024}'|cut -d. -f1` #wget software wget_fun() { if [ ! -d ${software_dir} ];then mkdir -p ${software_dir} && cd ${software_dir} else cd ${software_dir} fi for software in $elasticsearch_url $kibana_url $logstash_url $filebeat_url do wget -c $software done clear } #initial system:install java wget;set hostname;disable firewalld init_sys() { [ -f /etc/init.d/functions ] && . /etc/init.d/functions [ "${sys_version}" != "7" ] && echo "Error:This Scripts Support Centos7.xx" && exit 1 [ $(id -u) != "0" ] && echo "Error: You must be root to run this script" && exit 1 sed -i "s/SELINUX=enforcing/SELINUX=disabled/" /etc/selinux/config setenforce 0 yum install -y java-1.8.0-openjdk wget hostnamectl set-hostname elk-server systemctl stop firewalld cat >>/etc/security/limits.conf<<EOF * soft nofile 65536 * hard nofile 65536 * soft nGproc 65536 * hard nproc 65536 EOF } #install elasticsearch install_elasticsearch() { cd $software_dir tar zxf elasticsearch-5.4.1.tar.gz mv elasticsearch-5.4.1 /usr/local/elasticsearch mkdir -p /usr/local/elasticsearch/data /usr/local/elasticsearch/logs useradd elasticsearch chown -R elasticsearch:elasticsearch /usr/local/elasticsearch echo "vm.max_map_count = 655360" >>/etc/sysctl.conf && sysctl -p if [ ${sys_mem} -eq 0 ];then sed -i "s#`grep "^-Xmx" ${jvm_conf}`#"-Xmx512m"#g" ${jvm_conf} sed -i "s#`grep "^-Xms" ${jvm_conf}`#"-Xms512m"#g" ${jvm_conf} else sed -i "s#`grep "^-Xmx" ${jvm_conf}`#"-Xmx${sys_mem}g"#g" ${jvm_conf} sed -i "s#`grep "^-Xms" ${jvm_conf}`#"-Xms${sys_mem}g"#g" ${jvm_conf} fi cat >>/usr/local/elasticsearch/config/elasticsearch.yml<<EOF cluster.name: my-application node.name: elk-server path.data: /usr/local/elasticsearch/data path.logs: /usr/local/elasticsearch/logs network.host: 127.0.0.1 http.port: 9200 discovery.zen.ping.unicast.hosts: ["elk-server"] EOF su - elasticsearch -c "nohup /usr/local/elasticsearch/bin/elasticsearch &" } #install logstash install_logstash() { cd $software_dir tar -zxf logstash-5.4.1.tar.gz mv logstash-5.4.1 /usr/local/logstash cat>/usr/local/logstash/config/01-syslog.conf<<EOF input { beats { port => "5044" } } output { elasticsearch { hosts => "127.0.0.1:9200" } stdout { codec => rubydebug } } EOF nohup /usr/local/logstash/bin/logstash -f /usr/local/logstash/config/01-syslog.conf & >/dev/null } #install filebeat install_filebeat() { cd $software_dir tar -zxf filebeat-5.4.1-linux-x86_64.tar.gz mv filebeat-5.4.1-linux-x86_64 /usr/local/filebeat cat >/usr/local/filebeat/filebeat.yml<<EOF filebeat.prospectors: - input_type: log paths: - /var/log/*.log output.logstash: hosts: ["127.0.0.1:5044"] EOF cd /usr/local/filebeat/ nohup /usr/local/filebeat/filebeat & >/dev/null } #install kibana install_kibana() { cd $software_dir tar -zxf kibana-5.4.1-linux-x86_64.tar.gz mv kibana-5.4.1-linux-x86_64 /usr/local/kibana cat >> /usr/local/kibana/config/kibana.yml <<EOF server.port: 5601 server.host: "0.0.0.0" elasticsearch.url: "http://127.0.0.1:9200" EOF nohup /usr/local/kibana/bin/kibana & >/dev/null } check() { port=$1 program=$2 check_port=`netstat -lntup|grep ${port}|wc -l` check_program=`ps -ef|grep ${program}|grep -v grep|wc -l` if [ $check_port -gt 0 ] && [ $check_program -gt 0 ];then action "${program} run is ok!" /bin/true else action "${program} run is error!" /bin/false fi } main() { init_sys wget_fun install_elasticsearch install_filebeat install_logstash install_kibana echo -e "\033[32m Checking Elasticsearch...\033[0m" sleep 20 check :9200 "elasticsearch" echo -e "\033[32m Checking Logstash...\033[0m" sleep 2 check ":9600" "logstash" echo -e "\033[32m Checking Kibana...\033[0m" sleep 2 check ":5601" "kibana" action "ELK install is success!" /bin/true echo "url:http://$IP:5601" } main
四、脚本安装
安装完成访问:http://IP:5601即可访问;
五、配置
通过web界面访问,创建index patterns;
六、查看日志与dashboard
配置完成!当你发现你的才华与目标相差甚远的时候,不如安心的好好学习!
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