ELK--05 使用kafka缓存方案/kibana画图
1.ELK使用kafka作为缓存
#============注意es和kibana需要先启动、zook和kafak页需要java环境=============#
0.配置密钥和host解析 #解析需要三台都配置
[root@db01 ~]# cat >/etc/hosts<<EOF
10.0.0.51 db01
10.0.0.52 db02
10.0.0.53 db03
EOF
#生成秘钥对并分发秘钥
[root@db01 ~]# ssh-keygen
[root@db01 ~]# ssh-copy-id 10.0.0.52
[root@db01 ~]# ssh-copy-id 10.0.0.53
1.安装zook
###db01操作
[root@db01 ~]# yum install -y rsync
[root@db01 ~]# cd /data/soft
[root@db01 ~]# tar zxf zookeeper-3.4.11.tar.gz -C /opt/
[root@db01 ~]# ln -s /opt/zookeeper-3.4.11/ /opt/zookeeper
[root@db01 ~]# mkdir -p /data/zookeeper
[root@db01 ~]# cat >/opt/zookeeper/conf/zoo.cfg<<EOF
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/data/zookeeper
clientPort=2181
server.1=10.0.0.51:2888:3888
server.2=10.0.0.52:2888:3888
server.3=10.0.0.53:2888:3888
EOF
[root@db01 ~]# echo "1" > /data/zookeeper/myid
[root@db01 ~]# cat /data/zookeeper/myid
1
[root@db01 ~]# rsync -avz /opt/zookeeper* 10.0.0.52:/opt/
[root@db01 ~]# rsync -avz /opt/zookeeper* 10.0.0.53:/opt/
###db02操作
[root@db02 ~]# yum install -y rsync
[root@db02 ~]# mkdir -p /data/zookeeper
[root@db02 ~]# echo "2" > /data/zookeeper/myid
[root@db02 ~]# cat /data/zookeeper/myid
2
###db03操作
[root@db03 ~]# yum install -y rsync
[root@db03 ~]# mkdir -p /data/zookeeper
[root@db03 ~]# echo "3" > /data/zookeeper/myid
[root@db03 ~]# cat /data/zookeeper/myid
3
2.启动zookeeper(三台机器都需要启动)
[root@db01 ~]# /opt/zookeeper/bin/zkServer.sh start
[root@db02 ~]# /opt/zookeeper/bin/zkServer.sh start
[root@db03 ~]# /opt/zookeeper/bin/zkServer.sh start
3.检查启动是否成功(三台机器都需要启动)
[root@db01 ~]# /opt/zookeeper/bin/zkServer.sh status
[root@db02 ~]# /opt/zookeeper/bin/zkServer.sh status
[root@db03 ~]# /opt/zookeeper/bin/zkServer.sh status
#如果启动正常mode应该是
2个follower
1个leader
4.测试zookeeper通讯是否正常
在一个节点上执行,创建一个频道
/opt/zookeeper/bin/zkCli.sh -server 10.0.0.51:2181
create /test "hello"
在其他节点上看能否接收到
/opt/zookeeper/bin/zkCli.sh -server 10.0.0.52:2181
get /test
5.安装kafka
###db01操作
[root@db01 ~]# cd /data/soft/
[root@db01 ~]# tar zxf kafka_2.11-1.0.0.tgz -C /opt/
[root@db01 ~]# ln -s /opt/kafka_2.11-1.0.0/ /opt/kafka
[root@db01 ~]# mkdir /opt/kafka/logs
[root@db01 ~]# cat >/opt/kafka/config/server.properties<<EOF
broker.id=1
listeners=PLAINTEXT://10.0.0.51:9092
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/opt/kafka/logs
num.partitions=1
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=24
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=10.0.0.51:2181,10.0.0.52:2181,10.0.0.53:2181
zookeeper.connection.timeout.ms=6000
group.initial.rebalance.delay.ms=0
EOF
[root@db01 ~]# rsync -avz /opt/kafka* 10.0.0.52:/opt/
[root@db01 ~]# rsync -avz /opt/kafka* 10.0.0.53:/opt/
###db02操作
[root@db02 ~]# sed -i "s#10.0.0.51:9092#10.0.0.52:9092#g" /opt/kafka/config/server.properties
[root@db02 ~]# sed -i "s#broker.id=1#broker.id=2#g" /opt/kafka/config/server.properties
###db03操作
[root@db03 ~]# sed -i "s#10.0.0.51:9092#10.0.0.53:9092#g" /opt/kafka/config/server.properties
[root@db03 ~]# sed -i "s#broker.id=1#broker.id=3#g" /opt/kafka/config/server.properties
6.先前台启动kafka测试 (三台机器都需要启动)
[root@db01 ~]# /opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties
[root@db02 ~]# /opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties
[root@db03 ~]# /opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties
7.检查是否启动 (三台机器都需要启动)
jps
8.kafka前台启动测试命令发送消息
创建命令
/opt/kafka/bin/kafka-topics.sh --create --zookeeper 10.0.0.51:2181,10.0.0.52:2181,10.0.0.53:2181 --partitions 3 --replication-factor 3 --topic messagetest
测试获取所有的频道
/opt/kafka/bin/kafka-topics.sh --list --zookeeper 10.0.0.51:2181,10.0.0.52:2181,10.0.0.53:2181
测试发送消息
/opt/kafka/bin/kafka-console-producer.sh --broker-list 10.0.0.51:9092,10.0.0.52:9092,10.0.0.53:9092 --topic messagetest
其他节点测试接收
/opt/kafka/bin/kafka-console-consumer.sh --zookeeper 10.0.0.51:2181,10.0.0.52:2181,10.0.0.53:2181 --topic messagetest --from-beginning
9.测试成功之后,可以放在后台启动 (三台都启动)
按ctrl + c 停止kafka的前台启动,切换到后台启动
[root@db01 ~]# /opt/kafka/bin/kafka-server-start.sh -daemon /opt/kafka/config/server.properties
[root@db02 ~]# /opt/kafka/bin/kafka-server-start.sh -daemon /opt/kafka/config/server.properties
[root@db03 ~]# /opt/kafka/bin/kafka-server-start.sh -daemon /opt/kafka/config/server.properties
10.配置filebeat
[root@db01 ~]# cat >/etc/filebeat/filebeat.yml <<EOF
filebeat.inputs:
- type: log
enabled: true
paths:
- /var/log/nginx/access.log
json.keys_under_root: true
json.overwrite_keys: true
tags: ["access"]
- type: log
enabled: true
paths:
- /var/log/nginx/error.log
tags: ["error"]
output.kafka:
hosts: ["10.0.0.51:9092", "10.0.0.52:9092", "10.0.0.53:9092"]
topic: 'filebeat'
setup.template.name: "nginx"
setup.template.pattern: "nginx_*"
setup.template.enabled: false
setup.template.overwrite: true
EOF
重启filebeat
[root@db01 ~]# systemctl restart filebeat
11.访问并检查kafka里有没有收到日志
[root@db01 ~]# curl 10.0.0.51
#获取filebeat的频道
[root@db01 ~]# /opt/kafka/bin/kafka-topics.sh --list --zookeeper 10.0.0.51:2181,10.0.0.52:2181,10.0.0.53:2181
#接收filebeat频道发来的消息
[root@db01 ~]# /opt/kafka/bin/kafka-console-consumer.sh --zookeeper 10.0.0.51:2181,10.0.0.52:2181,10.0.0.53:2181 --topic filebeat --from-beginning
12.logstash配置文件
[root@db01 ~]# cat > /etc/logstash/conf.d/kafka.conf<<EOF
input {
kafka{
bootstrap_servers=>["10.0.0.51:9092,10.0.0.52:9092,10.0.0.53:9092"]
topics=>["filebeat"]
group_id=>"logstash"
codec => "json"
}
}
filter {
mutate {
convert => ["upstream_time", "float"]
convert => ["request_time", "float"]
}
}
output {
stdout {}
if "access" in [tags] {
elasticsearch {
hosts => "http://10.0.0.51:9200"
manage_template => false
index => "nginx_access-%{+yyyy.MM}"
}
}
if "error" in [tags] {
elasticsearch {
hosts => "http://10.0.0.51:9200"
manage_template => false
index => "nginx_error-%{+yyyy.MM}"
}
}
}
EOF
13.前台启动logatash测试
#先清空ES以前生成的索引
[root@db01 ~]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/kafka.conf
生成访问日志
[root@db01 ~]# curl 127.0.0.1
测试:
原数据:
1.停掉db03的zookeeper
#听到zookeeper
[root@db03 ~]# /opt/zookeeper/bin/zkServer.sh stop
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED
#查看jps,原来3个
[root@db03 ~]# jps
71553 Kafka
72851 Jps
#测试生成数据====db01测试
[root@db01 ~]# curl 127.0.0.1
db01-www
#登录es-head查看
2.停掉db02的zookeeper
#查看jps数据
[root@db02 ~]# jps
74467 QuorumPeerMain
78053 Jps
76628 Kafka
#停掉db02的zookeeper
[root@db02 ~]# /opt/zookeeper/bin/zkServer.sh stop
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED
#查看jps,剩两条
[root@db02 ~]# jps
78210 Jps
76628 Kafka
#测试生成数据====db01测试
[root@db01 ~]# curl 127.0.0.1
db01-www
#登录es-head查看
3.停掉db01的kafa
#查看jps数据
[root@db01 ~]# jps
76902 Kafka
48472 Logstash
78089 Logstash
79034 Jps
74509 QuorumPeerMain
#停掉db01的kafa
[root@db01 ~]# /opt/kafka/bin/kafka-server-stop.sh
#查看jps数据
[root@db01 ~]# jps
79251 Jps
48472 Logstash
78089 Logstash
74509 QuorumPeerMain
#测试生成数据====db01测试
[root@db01 ~]# curl 127.0.0.1
db01-www
#登录es-head查看
#总结kafka实验
1.前提条件
- kafka和zook都是基于java的,所以需要java环境
- 这俩比较吃资源,内存得够
2.安装zook注意
- 每台机器的myid要不一样,而且要和配置文件里的id对应上
- 启动测试,角色为leader和follower
- 测试发送和接受消息
3.安装kafka注意
- kafka依赖于zook,所以如果zook不正常,kafka不能工作
- kafka配置文件里要配上zook的所有IP的列表
- kafka配置文件里要注意,写自己的IP地址
- kafka配置文件里要注意,自己的ID是zook里配置的myid
- kafka启动要看日志出现started才算是成功
4.测试zook和kafka
- 一端发送消息
- 两端能实时接收消息
5.配置filebeat
- output要配上kafka的所有的IP列表
6.配置logstash
- input要写上所有的kafka的IP列表,别忘了[]
- 前台启动测试成功后再后台启动
7.毁灭测试结果
- 只要还有1个zook和1个kafka节点,就能正常收集日志
2.kibana画图展示