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ELK部署
master端：elasticsearch + logstash + redis + kibana
slave端：logstash + nginx or logstash + rsyslog
1.slave端收集nginx、syslog日志通过logstash写入到master上的redis中
2.master上的logstash读取redis中的日志输出到elastic，kibana再匹配读取elastic上内容
一、环境配置
1.安装jdk
wget http://download.oracle.com/otn-pub/java/jdk/8u102-b14/jdk-8u102-linux-x64.tar.gz?AuthParam=1473218169_4d538ded6eda268bfa110cc3f1af771b
tar zxf jdk-8u102-linux-x64.tar.gz
mv jdk1.8.0_102 /usr/local/java
cat /etc/profile
JAVA_HOME=/usr/local/java JRE_HOME=/usr/local/java/jre PATH=/usr/local/java/jre/bin:/usr/local/java/bin:$PATH CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export JAVA_HOME JRE_HOME PATH CLASSPATH
source /etc/profile
2.安装redis
wget http://download.redis.io/releases/redis-3.2.3.tar.gz
tar zxf redis-3.2.3.tar.gz
cd redis-3.2.3
make
make install
./utils/install_server.sh
二、elasticsearch配置
1.安装elastic
wget https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/tar/elasticsearch/2.4.0/elasticsearch-2.4.0.tar.gz
tar zxf elasticsearch-2.4.0.tar.gz
cd elasticsearch-2.4.0
cat config/elasticsearch.yml #配置文件
cluster.name: elk-test #配置集群名称（加入同一个集群名称要一样） node.name: server-102 #配置节点名称 node.master: true #配置是否作为主节点（默认为true） node.data: true #配置是否为数据节点（默认为true） path.data: /data/ela/data #配置数据路径 path.logs: /data/ela/logs #配置日志路径 bootstrap.memory_lock: true #锁住内存不让内存在swap中使用 network.host: 172.16.0.102 #配置绑定ip地址（默认为0.0.0.0） http.port: 9200 #配置端口号 node.max_local_storage_nodes: 1 #配置启动1个节点 index.number_of_shards: 5 #配置索引碎片的数量（默认为5） discovery.zen.minimum_master_nodes: 1 #配置集群中主节点的数量（当节点大于三个时候可配置2-4） discovery.zen.ping.timeout: 5s #配置连接其他节点的超时时间 discovery.zen.ping.multicast.enabled: false #配置允许发现多个集群节点（默认为true禁止） discovery.zen.ping.unicast.hosts: ["host1", "host2:port", "host3:port"] #配置新节点被启动时能够发现的主节点列表
mkdir -p /data/ela/data /data/ela/logs
useradd elk
chown -R elk.elk /data/ela/data /data/ela/logs /data/elasticsearch-2.4.0
/data/elasticsearch-2.4.0/bin/elasticsearch (elastic默认不能使用root启动使用-Des.insecure.allow.root=true参数以root启动)
2.安装插件
Head插件（节点数据查看管理）
./elasticsearch/bin/plugin install mobz/elasticsearch-head
Kopf插件（集群管理）
./elasticsearch/bin/plugin install lmenezes/elasticsearch-kopf
Bigdesk插件（监控查看CPU内存索引数据搜索情况http连接数）
./elasticsearch/bin/plugin install hlstudio/bigdesk
Marvel插件（管理和监控，通过kibana上访问插件）
./elasticsearch/bin/plugin install license
./elasticsearch/bin/plugin install marvel-agent
./kiabana/bin/kibana plugin --install elasticsearch/marvel/latest
三、logstash配置
安装logstash
wget https://download.elastic.co/logstash/logstash/logstash-2.4.0.tar.gz
tar zxf logstash-2.4.0.tar.gz
cd logstash-2.4.0
vim config/logstash.conf #新建配置master端的文件
#读取redis里的日志
input {
redis {
host => "100.100.100.102"
data_type => "list"
key => "logstash:redis"
type => "redis-input"
}
}
#过滤掉内容包含5.3.3与down以外日志
filter {
if [message] !~ "5.3.3|down" {
ruby {
code => "event.cancel"
}
}
}
#使用自带的过滤规则显示更多的字段
filter {
grok {
match => {"message" => "%{COMBINEDAPACHELOG}"}
}
}
#合并不是以[开头的日志
filter {
multiline {
pattern => "^[^[]"
negate => true
what => "previous"
}
}
#输出到elastic并建立索引
output {
if [type] == "syslog" {
elasticsearch {
hosts => "172.16.0.102:9200"
index => "syslog-%{+YYYY.MM.dd}"
}
}
if [type] == "nginx" {
elasticsearch {
hosts => "172.16.0.102:9200"
index => "nglog-%{+YYYY.MM.dd}"
}
}
#匹配内容包含paramiko与simplejson的日志通邮件发送
if [message] =~ /paramiko|simplejson/ {
email {
to => "12222222@wo.cn"
from => "good_zabbix@163.com"
contenttype => "text/plain; charset=UTF-8"
address => "smtp.163.com"
username => "test@163.com"
password => "12344"
subject => "服务器%{host}日志异常"
body => "%{@timestamp} %{type}: %{message}"
}
}
}./bin/logstash -f config/logstash-slave.conf #启动master端logstash
vim config/logstash.conf #新建配置slave端的文件（安装过程与master一样）
#收集nginx与系统日志
input {
file {
type => "nginx"
path => "/usr/local/nginx/logs/access.log"
add_field => {"ip"=>"100.100.100.100"}
start_position => "beginning" #从文件头开始读取
}
syslog {
type => "syslog"
host => "100.100.100.100"
port => "514"
}
file {
type=> "syslog"
path => "/var/log/messages"
}
}
#输出日志到master端的redis中
output {
redis {
host => "100.100.100.102"
port => "6379"
data_type => "list"
key => "logstash:redis"
}
}./bin/logstash -f config/logstash-slave.conf #启动slave端logstash
四、kibana配置
1.安装kibana
wget https://download.elastic.co/kibana/kibana/kibana-4.6.1-linux-x86_64.tar.gz
tar zxf kibana-4.6.1-linux-x86_64.tar.gz
cd kibana-4.6.1-linux-x86_64
cat config/kibana.yml
server.port: 5601 #端口 server.host: "172.16.0.102" #访问ip地址 elasticsearch.url: "http://172.16.0.102:9200" #连接elastic kibana.index: ".kibana" #在elastic中添加.kibana索引
./bin/kibana
ELK部署