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Apache-2.0

国内用户可以访问gitee镜像仓库: https://gitee.com/cnperl/Nightingale 同步非实时,每天一次,不过速度快


升级说明

v3.x的版本和v2.x差别巨大,没办法平滑迁移,可以继续使用 v.2.8.0 ,我们之所以决定升级到v3.x,具体原因 请看这里 ,简而言之,我们是希望夜莺逐渐演化为一个运维平台。如果v2.x用着也能满足需求,可以继续用v2.x,毕竟,适合自己的才是最好的

新版效果

用户资源中心:

用户资源中心截图

资产管理中心:

资产管理中心截图

任务执行中心:

任务执行中心截图

监控告警中心:

监控告警中心截图

安装步骤

1、找个干净的CentOS7,准备好mysql、redis、nginx,简单yum安装一下即可,生产环境mysql建议找dba帮忙来搞

yum install -y mariadb* redis nginx

2、下载我们编译好的二进制到/home/n9e目录,如果要更换目录,要注意修改nginx.conf,建议先用这个目录,玩熟了再说

mkdir -p /home/n9e
cd /home/n9e
wget http://116.85.64.82/n9e.tar.gz
tar zxvf n9e.tar.gz

3、初始化数据库,这里假设使用root账号,密码1234,如果不是这个账号密码,注意修改/home/n9e/etc/mysql.yml

cd /home/n9e/sql
mysql -uroot -p1234 < n9e_ams.sql
mysql -uroot -p1234 < n9e_hbs.sql
mysql -uroot -p1234 < n9e_job.sql
mysql -uroot -p1234 < n9e_mon.sql
mysql -uroot -p1234 < n9e_rdb.sql

4、redis配置修改,默认配置的6379端口,密码为空,如果默认配置不对,可以执行如下命令,看到多个配置文件里有redis相关配置,挨个检查修改下

cd /home/n9e/etc
grep redis -r .

5、下载前端静态资源文件,放到默认的/home/n9e目录下,如果要改目录,需要修改后面提到的nginx.conf

cd /home/n9e
wget http://116.85.64.82/pub.tar.gz
tar zxvf pub.tar.gz

前端的源码单独拆了一个repo,地址是: https://github.com/n9e/fe 没有和nightingale放一块

6、覆盖nginx.conf,建议大家还是看一下这个配置,熟悉一下nginx配置,夜莺不同web侧组件就是通过nginx的不同location区分的。覆盖完了配置记得reload一下或者重启nginx

cp etc/nginx.conf /etc/nginx/nginx.conf

7、检查identity.yml,要保证这个shell可以正常获取本机ip,如果实在不能正常获取,自己又不懂shell不会改,在specify字段写死也行

# 用来做心跳,给服务端上报本机ip
ip:
  specify: ""
  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|head -n 1

# MON、JOB的客户端拿来做本机标识
ident:
  specify: ""
  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|head -n 1

8、检查agent.yml的几个shell,挨个检查是否可以跑通,跑不通就改成适合自己的,实在是不会改,直接写死,比如disk部分,写死80Gi直接写:disk: echo 80Gi即可

report:
  # ...
  sn: dmidecode -s system-serial-number | tail -n 1

  fields:
    cpu: cat /proc/cpuinfo | grep processor | wc -l
    mem: cat /proc/meminfo | grep MemTotal | awk '{printf "%dGi", $2/1024/1024}'
    disk: df -m | grep '/dev/' | grep -v '/var/lib' | grep -v tmpfs | awk '{sum += $2};END{printf "%dGi", sum/1024}'

9、启动各个进程,包括mysql、redis、nginx,夜莺的各个组件直接用control脚本启动即可,后续上生产环境,可以用systemd之类的托管

cd /home/n9e
./control start all

10、登录web,账号root,密码root.2020,进来第一步一定要修改密码,如果nginx报权限类的错误,检查selinux是否关闭了,如下命令可关闭

setenforce 0

上面安装步骤如果走完了仍然没有搭建起来,你可能需要 使用Docker安装 或者 查看视频教程

子系统简介

夜莺拆成了四个子系统,分别是:用户资源中心(RDB)、资产管理系统(AMS)、任务执行中心(JOB)、监控告警系统(MON)。下面分别介绍一下这几个子系统的设计初衷

用户资源中心

这是一个平台底座,所有的运维系统,都需要依赖这个,内置用户、权限、角色、组织、资源的管理。最核心的是一棵组织资源树,树节点的类别和扩展字段可以自定义,组织资源树的层级结构最简单的组织方式是:租户》项目》模块,复杂一点的组织方式:租户》组织》项目》模块》集群,组织是可以嵌套的。节点上挂两类对象,一个是人员权限,一个是资源,资源可以是各类资源,除了主机设备、网络设备,也可以是rds实例,redis实例,当然,这就需要rds、redis的管控系统和RDB打通了。滴滴在做一些大的中后台商业化解决方案的时候,RDB就是扮演了这么一个底座的角色。

资产管理系统

这里的资产管理系统,是偏硬件资产的管理,这个系统的使用者一般是系统部的人,资产管理类人员,应用运维相对不太关注这个系统。开源版本开放了一个主机设备的管理,大家可以二开,增加一些网络设备管理、机柜机架位的管理、配件耗材的管理等等,有了底座,上面再长出一些其他系统都相对容易。agent安装之后,会自动注册到资产管理系统,自动采集到机器的sn、ip、cpu、mem、disk等信息,这些信息为了灵活性考虑,都是用shell采集的,上文“安装步骤”一章有提到,其中最重要的是ip,系统中有很多设备,ip是需要全局唯一,其他的sn、cpu、mem、disk等,如果无法采集成功,可以写死,shell里直接写echo一个假数据即可。

每一条资产,都有一个租户的字段,代表资产归属,需要管理员去分配资产归属(修改资产的所属租户),各个租户才能使用对应的资产,分配完了之后,会出现在用户资源中心的“游离资源”菜单中,各个租户就可以把游离资源挂到资产树上去分门别类的管理使用。树节点的创建是在树上右键哈。

任务执行中心

用于批量跑脚本,类似pssh、ansible、saltstack,不过不支持playbook,大道至简,就用脚本撸吧,shell、python、perl、ruby,都行,只要机器上有解析器。因为是内置到夜莺里的,所以体系化会更好一些,和组织资源树的权限是打通的,可以控制不同的人对不同的机器有不同的权限,有些人可以用root账号执行,有些人只能用普通账号执行,历史执行记录都可以通过web页面查看审计。任务本身支持一些控制:暂停点、容忍度、单机超时时间、中途暂停、中途取消、中途Kill等。

一些经常要跑的脚本,可以做成模板,模板是对脚本的一种管理方式,后续就可以基于模板创建任务,填个机器列表就可以执行。比如安装JDK,调整TCP内核参数,调整ulimit等机器初始化脚本,都可以做成模板。

开源版本的任务执行中心,可以看做是一个命令通道,后续可以基于这个命令通道构建一些场景化应用,比如机器初始化平台、服务变更发布平台、配置分发系统等。任务执行中心各类操作都有API对外暴露,具体可参看:router.go 我司的命令通道每周执行任务量超过60万,就是因为各类上层业务都在依赖这个命令通道的能力。

监控告警系统

这块核心逻辑和v2版本差别不大,监控指标分成了设备相关指标和设备无关指标,因为有些自定义监控数据的场景,endpoint不好定义,或者endpoint经常变化,这种就可以使用设备无关指标的方式来处理。监控大盘做了优化,引入了更多类型的图表,但夜莺毕竟是个metrics监控系统,处理的是数值型时序数据,所以,最有用的图表其实就是折线图,其他类型图表,看看就好,场景较少。夜莺也可以对接Grafana,有个专门的DataSource插件,Grafana会更炫酷一些,只是,在数据量大的时候性能较差。

系统架构

n9e系统架构图

监控部分的架构和之前没有差别,collector揉进了一些命令执行的能力,所以改了个名字叫agent。引入了三个新组件:rdb、ams、job,rdb是用户资源中心,ams是资产管理系统,job是任务执行中心。agent除了上报监控数据给transfer,还会上报本机信息给ams,注册本机信息到资产管理系统,另外就是与job模块交互,拉取要执行的任务,上报任务执行结果。

文档手册

v3版本不准备单独建站了,文档全部使用github wiki: https://github.com/didi/nightingale/wiki 欢迎大家一起完善。另外当前正在录制一套夜莺的教学视频,后续会放到微信公众号:ops-soldier,欢迎关注获取教程

交流互助

对于夜莺的建议或修改,请直接提交issue或pr。如想加入【夜莺网友互助交流群】,请加微信好友:UlricQin,注明加群。

商业版本

夜莺开源版本是从商业版本中摘取的部分功能,商业版本会更强大,滴滴不止有运维平台的商业化解决方案,还有DevOps、IaaS、PaaS、大数据、安全等各类商业化产品,如有兴趣欢迎联系我们,微信号:UlricQin,注明商业版。

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夜莺(Nightingale)是一个企业级监控解决方案 展开 收起
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