hadoop生态搭建（3节点）-16.elk配置

# ==================================================================ELK环境准备

# 修改文件限制

# * 代表Linux所有用户名称，保存、退出、重新登录生效。

vi /etc/security/limits.conf

* soft nofile 65536

* hard nofile 65536

* soft nproc 2048

* hard nproc 4096

* soft memlock unlimited

* hard memlock unlimited

# 调整进程数

#调整成以下配置

vi /etc/security/limits.d/20-nproc.conf

*          soft    nproc     4096

root       soft    nproc     unlimited

# 调整虚拟内存&最大并发连接

vi /etc/sysctl.conf

vm.max_map_count=655360

fs.file-max=655360

# 并执行命令生效：

sysctl -p

shutdown -h now

# 快照 elk前

# ==================================================================安装 elasticsearch

tar -zxvf ~/elasticsearch-6.2.4.tar.gz -C /usr/local

rm –r ~/elasticsearch-6.2.4.tar.gz

# ==================================================================安装 logstash

tar -zxvf ~/logstash-6.2.4.tar.gz -C /usr/local

rm –r ~/logstash-6.2.4.tar.gz

# ==================================================================安装 kibana

tar -zvxf ~/kibana-6.2.4-linux-x86_64.tar.gz -C /usr/local

mv /usr/local/kibana-6.2.4-linux-x86_64 /usr/local/kibana-6.2.4

rm –r ~/kibana-6.2.4-linux-x86_64.tar.gz

# 环境变量
# ==================================================================node1 node2 node3

vi /etc/profile

# 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加

export JAVA_HOME=/usr/java/jdk1.8.0_111

export JRE_HOME=/usr/java/jdk1.8.0_111/jre

export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.12

export HADOOP_HOME=/usr/local/hadoop-2.7.6

export MYSQL_HOME=/usr/local/mysql

export HBASE_HOME=/usr/local/hbase-1.2.4

export HIVE_HOME=/usr/local/hive-2.1.1

export SCALA_HOME=/usr/local/scala-2.12.4

export KAFKA_HOME=/usr/local/kafka_2.12-0.10.2.1

export FLUME_HOME=/usr/local/flume-1.8.0

export SPARK_HOME=/usr/local/spark-2.3.0

export STORM_HOME=/usr/local/storm-1.1.0

export REDIS_HOME=/usr/local/redis-4.0.2

export ERLANG_HOME=/usr/local/erlang

export RABBITMQ_HOME=/usr/local/rabbitmq_server-3.7.5

export MONGODB_HOME=/usr/local/mongodb-3.4.5

export NGINX_HOME=/usr/local/nginx

export CATALINA_BASE=/usr/local/tomcat

export CATALINA_HOME=/usr/local/tomcat

export TOMCAT_HOME=/usr/local/tomcat

export KEEPALIVED_HOME=/usr/local/keepalived

export ELASTICSEARCH_HOME=/usr/local/elasticsearch-6.2.4

export LOGSTASH_HOME=/usr/local/logstash-6.2.4

export KIBANA_HOME=/usr/local/kibana-6.2.4

export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$MYSQL_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$SCALA_HOME/bin:$KAFKA_HOME/bin:$FLUME_HOME/bin:$SPARK_HOME/bin:$STORM_HOME/bin:$REDIS_HOME/bin:$ERLANG_HOME/bin:$RABBITMQ_HOME/ebin:$RABBITMQ_HOME/sbin:$MONGODB_HOME/bin:$NGINX_HOME/sbin:$CATALINA_HOME/bin:$KEEPALIVED_HOME/sbin:$ELASTICSEARCH_HOME/bin:$LOGSTASH_HOME/bin:$KIBANA_HOME/bin

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export HADOOP_INSTALL=$HADOOP_HOME

export HADOOP_MAPRED_HOME=$HADOOP_HOME

export HADOOP_COMMON_HOME=$HADOOP_HOME

export HADOOP_HDFS_HOME=$HADOOP_HOME

export YARN_HOME=$HADOOP_HOME

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

# ==================================================================node1

# 使环境变量生效

source /etc/profile

# 查看配置结果

echo $ELASTICSEARCH_HOME

echo $LOGSTASH_HOME

echo $KIBANA_HOME

# 由于Elasticsearch、Logstash、Kibana均不能以root账号运行

# 但是Linux对非root账号可并发操作的文件、线程都有限制

# useradd elk (用户名) -g elk (组名) -p 123456 (密码)

groupadd elk

useradd elk -g elk -p 123456

chown -R elk:elk $ELASTICSEARCH_HOME/

# 账号切换到 elk

su - elk

# 创建Elasticsearch主目录、数据目录、日志目录

mkdir $ELASTICSEARCH_HOME/data

# mkdir $ELASTICSEARCH_HOME/logs

# chown -R elk:elk $ELASTICSEARCH_HOME/data

# chown -R elk:elk $ELASTICSEARCH_HOME/logs

# ll $ELASTICSEARCH_HOME

# 修改elasticsearch配置文件

vi $ELASTICSEARCH_HOME/config/elasticsearch.yml

# 集群名

cluster.name: es_cluster

# 节点名

node.name: node1

# 节点host/ip

network.host: node1

http.port: 9200

# TCP传输端口

transport.tcp.port: 9300

# 数据保存目录

path.data: /usr/local/elasticsearch-6.2.4/data

# 日志保存目录

path.logs: /usr/local/elasticsearch-6.2.4/logs

# 是否允许作为主节点

node.master: true

# 是否保存数据

node.data: true

# 集群广播

# discovery.zen.ping.multicast.enabled: true

# 集群中的主节点的初始列表,当节点(主节点或者数据节点)启动时使用这个列表进行探测

discovery.zen.ping.unicast.hosts: ["node1","node2","node3"]

# 主节点个数

discovery.zen.minimum_master_nodes: 2

#避免出现跨域问题

http.cors.enabled: true

http.cors.allow-origin: "*"

su root

scp -r $ELASTICSEARCH_HOME  node2:/usr/local/

scp -r $ELASTICSEARCH_HOME  node3:/usr/local/

# ==================================================================node2 node3

# 使环境变量生效

source /etc/profile

# 查看配置结果

echo $ELASTICSEARCH_HOME

# ==================================================================node2

groupadd elk

useradd elk -g elk -p 123456

chown -R elk:elk $ELASTICSEARCH_HOME/

# 账号切换到 elk

su - elk

# 修改elasticsearch配置文件

vi $ELASTICSEARCH_HOME/config/elasticsearch.yml

node.name: node2

network.host: node2

# ==================================================================node3

groupadd elk

useradd elk -g elk -p 123456

chown -R elk:elk $ELASTICSEARCH_HOME/

# 账号切换到 elk

su - elk

# 修改elasticsearch配置文件

#vi $ELASTICSEARCH_HOME/config/elasticsearch.yml

node.name: node3

network.host: node3

su - root

shutdown -h now
# 快照 Elasticsearch启动前

# 启动&健康检查 Elasticsearch

# ==================================================================node1 node2 node3

su - elk

nohup $ELASTICSEARCH_HOME/bin/elasticsearch > $ELASTICSEARCH_HOME/logs/es.log 2>&1 &

# $ELASTICSEARCH_HOME/bin/elasticsearch

# 查看集群节点

curl -XGET 'http://node1:9200/_cat/nodes?pretty'

# 查看健康状态

curl http://node1:9200/_cluster/health

# 查看可以监测的参数

curl http://node1:9200/_cat

# 查看集群健康信息

curl http://node1:9200/_cat/health

# 安装 elasticsearch 插件 cerebro
# https://github.com/lmenezes/cerebro/releases
# ==================================================================cerebro 安装

su - root

tar -xivf ~/cerebro-0.8.1.tgz -C /usr/local/

mv /usr/local/cerebro-0.8.1 /usr/local/cerebro

# 启动

mkdir /usr/local/cerebro/logs

nohup /usr/local/cerebro/bin/cerebro > /usr/local/cerebro/logs/cerebro.log 2>&1 &

# /usr/local/cerebro/bin/cerebro &

# 默认端口为9000

# http://node1:9000

# 在文本框中输入下面的地址

# http://node1:9200

# 配置kibana
# ==================================================================node1

chown -R elk:elk $KIBANA_HOME/

# 账号切换到 elk

su - elk

# mkdir $KIBANA_HOME/data

mkdir $KIBANA_HOME/logs

# 修改配置

vi $KIBANA_HOME/config/kibana.yml

#增加以下内容

server.port: 5601

server.host: "node1"

server.name: "kibana-master"

elasticsearch.url: "http://node1:9200"

elasticsearch.url: "http://node2:9200"

elasticsearch.url: "http://node3:9200"

# 启动

su - elk

nohup $KIBANA_HOME/bin/kibana > $KIBANA_HOME/logs/kibana.log 2>&1 &

# $KIBANA_HOME/bin/kibana

# http://node1:5601

# 配置logstash
# ==================================================================node1

su - root

chown -R elk:elk $LOGSTASH_HOME/

# ll $LOGSTASH_HOME

# 账号切换到 elk

su - elk

# 创建Logstash主目录、配置目录、数据目录、日志目录

mkdir $LOGSTASH_HOME/logs

# 配置数据&日志目录

vi $LOGSTASH_HOME/config/logstash.yml

# 增加以下内容

path.data: /usr/local/logstash-6.2.4/data

path.logs: /usr/local/logstash-6.2.4/logs

su - root

scp -r $LOGSTASH_HOME  node2:/usr/local/

scp -r $LOGSTASH_HOME  node3:/usr/local/

# ==================================================================node2 node3

su - root

# 使环境变量生效

source /etc/profile

# 查看配置结果

echo $LOGSTASH_HOME/

chown -R elk:elk $LOGSTASH_HOME/

# 启动
# ==================================================================node1 node2 node3

# 账号切换到 elk

su - elk

# 如果没有启动

nohup $ELASTICSEARCH_HOME/bin/elasticsearch > $ELASTICSEARCH_HOME/logs/es.log 2>&1 &

# ==================================================================node1

nohup /usr/local/cerebro/bin/cerebro > /usr/local/cerebro/logs/cerebro.log 2>&1 &

nohup $KIBANA_HOME/bin/kibana > $KIBANA_HOME/logs/kibana.log 2>&1 &

# ==================================================================node1

$LOGSTASH_HOME/bin/logstash -e 'input { stdin { } } output { stdout {} }'

# hello

$LOGSTASH_HOME/bin/logstash -e 'input { stdin { } } output { stdout {codec => rubydebug} }'

# hi

su - root

chown -R elk:elk /var/log/messages

su - elk

vi $LOGSTASH_HOME/config/system.conf

input {

	file {

		path => "/var/log/messages"

		type => "system"

		start_position => "beginning"

	}

}

output {

	elasticsearch {

		hosts => ["node1:9200","node2:9200","node3:9200"]

		index => "system-%{+YYYY.MM.dd}"

	}

}

$LOGSTASH_HOME/bin/logstash -f $LOGSTASH_HOME/config/system.conf

su - root

chown -R elk:elk /var/log/secure

su - elk

vi $LOGSTASH_HOME/config/system_secure.conf

# 添加secure日志的路径

input {

	file {

		path => "/var/log/messages"

		type => "system"

		start_position => "beginning"

	}

	file {

		path => "/var/log/secure"

		type => "secure"

		start_position => "beginning"

	}

}

output {

    if [type] == "system" {

        elasticsearch {

            hosts => ["node1:9200","node2:9200","node3:9200"]

            index => "logs-system-%{+YYYY.MM.dd}"

        }

    }

    if [type] == "secure" {

        elasticsearch {

            hosts => ["node1:9200","node2:9200","node3:9200"]

            index => "logs-secure-%{+YYYY.MM.dd}"

        }

    }

}

$LOGSTASH_HOME/bin/logstash -f $LOGSTASH_HOME/config/system_secure.conf

vi $LOGSTASH_HOME/config/nginx_log.conf

input {

     file {

        path => ["/usr/local/nginx/logs/access.log"]

        type => "nginx_log"

        start_position => "beginning"

     }

}

filter {

    grok {

		match => { "message" => "%{IPORHOST:http_host} %{IPORHOST:clientip} - %{USERNAME:remote_user} \[%{HTTPDATE:timestamp}\] \"(?:%{WORD:http_verb} %{NOTSPACE:http_request}(?: HTTP/%{NUMBER:http_version})?|%{DATA:raw_http_request})\" %{NUMBER:response} (?:%{NUMBER:bytes_read}|-) %{QS:referrer} %{QS:agent} %{QS:xforwardedfor} %{NUMBER:request_time:float}"}

    }

    geoip {

		source => "clientip"

    }

}

output {

    if [type] == "nginx_log" {

        elasticsearch {

            hosts => ["node1:9200","node2:9200","node3:9200"]

            index => "nginx_log-%{+YYYY.MM.dd}"

        }

    }

}

$LOGSTASH_HOME/bin/logstash -f $LOGSTASH_HOME/config/nginx_log.conf