Loki 是一个水平可扩展,高可用性,多租户的日志聚合系统
。它的设计非常经济高效且易于操作,因为它不会为日志内容编制索引,而是为每个日志流编制一组标签。
Loki 组成:
loki : 主服务器,负责存储日志和处理查询
promtail : 代理,负责收集日志并将其发送给 loki
Grafana : Go语言开发的开源数据可视化工具,可以做数据监控和数据统计,带有告警功能
登录官网:loki官网Like Prometheus, but for logs. Contribute to grafana/loki development by creating an account on GitHub./
----root用户操作
###创建用户
useradd loki
passwd loki###创建安装目录
mkdir /opt/loki###授权
chown -R loki:loki /opt/loki
chmod -R 755 /opt/loki----loki用户操作
###下载二进制包
$ curl -O -L ".7.4/loki-linux-amd64.zip"###解压二进制包
$ unzip "loki-linux-amd64.zip"### make sure it is executable
$ chmod a+x "loki-linux-amd64"
$ l
更多配置请参考:/
auth_enabled: falseserver:http_listen_port: 3100grpc_listen_port: 9096ingester:lifecycler:address: 127.0.0.1ring:kvstore:store: inmemoryreplication_factor: 1final_sleep: 0schunk_idle_period: 10mchunk_retain_period: 30s
schema_config:configs:- from: 2020-05-15store: boltdbobject_store: filesystemschema: v11index:prefix: index_period: 168h
storage_config:boltdb:directory: /opt/loki/indexfilesystem:directory: /opt/loki/chunks # 块存储路径limits_config:enforce_metric_name: falsereject_old_samples: true # 是否拒绝老样本reject_old_samples_max_age: 168h # 168小时之前的样本将会被删除ingestion_rate_mb: 200ingestion_burst_size_mb: 300per_stream_rate_limit: 1000MBmax_entries_limit_per_query: 10000
chunk_store_config:max_look_back_period: 168h # 为避免查询超过保留期的数据,必须小于或等于下方的时间值
table_manager:retention_deletes_enabled: true # 保留删除开启retention_period: 168h # 超过168h的块数据将被删除ruler:storage:type: locallocal:directory: /opt/loki/rulesrule_path: /opt/loki/rules-tempalertmanager_url: 192.168.0.1:9093 # alertmanager地址ring:kvstore:store: inmemoryenable_api: trueenable_alertmanager_v2: true
$ vim restart-loki.sh
#!/bin/bash
echo "stop loki"
ps -ef | grep loki-linux-amd64 | grep -v grep | awk '{print $2}'| xargs kill -9 echo "Begin start loki"
sleep 1
str=$"n"
nohup ./loki-linux-amd64 --config.filel &
sstr=$(echo -e $str)
echo $sstr
$chmod +x restart-loki.sh
cd /opt/loki
./restart-loki.sh
[root@localhost loki]# tail -10f nohup.out
level=info ts=2023-03-26T08:40:48.324631438Z caller:614 msg="starting checkpoint"
level=info ts=2023-03-26T08:40:48.324805699Z caller:339 msg="attempting checkpoint for" dir=wal/checkpoint.000022
level=info ts=2023-03-26T08:45:18.327347566Z caller:501 msg="atomic checkpoint finished" old=wal/p new=wal/checkpoint.000022
level=info ts=2023-03-26T08:45:18.32797424Z caller:572 msg="checkpoint done" time=4m30.002891425s
level=info ts=2023-03-26T08:45:48.325049331Z caller:614 msg="starting checkpoint"
level=info ts=2023-03-26T08:45:48.32524561Z caller:339 msg="attempting checkpoint for" dir=wal/checkpoint.000023
level=info ts=2023-03-26T08:50:18.327325742Z caller:501 msg="atomic checkpoint finished" old=wal/p new=wal/checkpoint.000023
level=info ts=2023-03-26T08:50:18.327880793Z caller:572 msg="checkpoint done" time=4m30.002463306s
level=info ts=2023-03-26T08:50:48.325234397Z caller:614 msg="starting checkpoint"
level=info ts=2023-03-26T08:50:48.325402194Z caller:339 msg="attempting checkpoint for" dir=wal/checkpoint.000024
负责收集日志并将其发送给 loki,在需要采集日志的主机上都安装Promtail
mkdir /opt/promtail
chown -R loki:loki /opt/promtail
chmod -R loki:loki /opt/promtail###下载
curl -O -L ".7.4/promtail-linux-amd64.zip"###解压
unzip loki-linux-amd64.zip # 解压
l
server:http_listen_port: 9080grpc_listen_port: 0positions:filename: /opt/promtail/positions.yamlclients:- url: 10.X.X.125:3100/loki/api/v1/push # 填写好Loki地址scrape_configs:
- job_name: messagelogstatic_configs:- targets:- localhostlabels:#job: messageloghost: namenode01__path__: /var/log/messages- job_name: agentlogstatic_configs:- targets:- localhostlabels:#job: agentloghost: namenode01__path__: /ssd/ssd0/agentlog/agent.log- job_name: datanodelogstatic_configs:- targets:- localhostlabels:
# #job: datanodeloghost: namenode01__path__: /ssd/ssd0/datanodelog/*datanode*.log
vi restart-promtail.sh
#!/bin/bash
echo "Begin stop promtail"
ps -ef | grep promtail-linux-amd64 | grep -v grep | awk '{print $2}' | xargs kill -9echo "Begin "
nohup ./promtail-linux-amd64 --config.filel > ./promtail-9080.log 2>&1 &
$chmod +x restart-promtail.sh
[root@localhost promtail]# cd /opt/promtail[root@localhost promtail]# ./restart-promtail.sh
Begin stop promtail
Begin
[root@localhost promtail]#
Grafana : Go语言开发的开源数据可视化工具,可以做数据监控和数据统计,带有告警功能
Download Grafana | Grafana LabsOverview of how to download and install different versions of Grafana on different operating systems.
###CentOS系统通过rpm方式安装wget .4.3-1.x86_64.rpmsudo yum install grafana-enterprise-9.4.3-1.x86_64.rpm -y[root@localhost grafana]# rpm -qa|grep grafana
grafana-enterprise-9.4.3-1.x86_64
[root@localhost grafana]#
grafana会占用服务器3000端口
##启动
systemctl start grafana-server.service##停止
systemctl stop grafana-server.service##重启
systemctl restart grafana-server.service##设置开机自启动
systemctl enable grafana-server.service##状态查看
systemctl status grafana-server.service
Grafana Loki Dashboard for NGINX Service Mesh | Grafana LabsLoki v2+ showcase using JSON NGINX access logs./
编辑Grafana配置文件,设置发件人
docker安装的Grafana:vim /home/monitor/grafana/config/grafana.ini
yum安装:vim /etc/grafana/grafana.ini
在[smtp] 标签下 修改配置
# 配置邮件服务器
[smtp]
enabled = true# 发件服务器
host = smtp.mail.139:465# smtp 密码
password = PAASmail2019# smtp账号
user = paas-support@139# 发信邮箱
from_address = paas-support@139# 发信人
from_name = Grafana
保存好配置文件之后,重启Grafana
##重启
systemctl restart grafana-server.service
点击页面左边的铃铛,并选择 Contact points
然后选择 Add contact point 创建一个 contact point,填写 Name 和收件人邮箱地址
然后点击Test ,提示成功后,刚填写的邮箱应该就可以收到如下内容的测试邮件
查看邮箱,成功收到邮件
参考:简易日志系统LPG生产环境实践指南 | 坑我已经帮你们踩好了
参考:PLG日志平台搭建: Promtail + Loki + Grafana 全步骤_promtail loki_dxccccccccccc的博客-CSDN博客
参考:Promtail + Loki + Grafana 构建日志监控告警系统(一)_promtail+loki_5D金豆豆的博客-CSDN博客
参考:
PLG日志平台搭建: Promtail + Loki + Grafana 全步骤_promtail loki_dxccccccccccc的博客-CSDN博客
参考:
搭建Loki、Promtail、Grafana轻量级日志系统(centos7)_loki promtail_成钰的博客-CSDN博客
参考:
轻量日志收集系统loki_loki日志收集_wyl9527的博客-CSDN博客
参考:
轻量级日志可视化平台Grafana Loki接入nginx访问日志-阿里云开发者社区
参考:
PLG 云原生日志系统在压测中的落地实践 · TesterHome
参考:
快速部署Grafana日志监控+Nginx封禁IP-阿里云开发者社区
参考:
使用使用grafana中文插件-阿里云开发者社区
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