open falcon agent 安装

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写在前面的话

每篇一句

爱人者人恒爱之，敬人者人恒敬之。

agent 安装

go 安装（同类操作系统只需第一台编译好agent包，其他机器不必安装go）

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cd /data/
wget https://redirector.gvt1.com/edgedl/go/go1.9.2.linux-amd64.tar.gz
tar -C /usr/local -xzf go1.9.2.linux-amd64.tar.gz

/root/.bashrc 文件增加go环境变量配置,针对root用户配置环境变量。如果想所有用户使用可追加在/etc/profile。

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export GOROOT=/usr/local/go
export GOPATH=/data/mygoworkspace
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin

使环境变量立即生效

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source  /root/.bashrc

验证

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root@ubuntu:/data/open-falcon# go version
go version go1.9.2 linux/amd64

查看所有go 环境变量可使用go env

agent 编译

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root@ubuntu:/data/mygoworkspace# mkdir -p $GOPATH/src/github.com/open-falcon
root@ubuntu:/data/mygoworkspace# cd $GOPATH/src/github.com/open-falcon
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon# git clone https://github.com/open-falcon/falcon-plus.git
Cloning into 'falcon-plus'...
remote: Counting objects: 7990, done.
remote: Compressing objects: 100% (33/33), done.
remote: Total 7990 (delta 7), reused 18 (delta 6), pack-reused 7950
Receiving objects: 100% (7990/7990), 15.43 MiB | 202.00 KiB/s, done.
Resolving deltas: 100% (4110/4110), done.
Checking connectivity... done.
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon# cd $GOPATH/src/github.com/open-falcon/falcon-plus/
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon/falcon-plus# make agent
go build -o bin/agent/falcon-agent ./modules/agent
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon/falcon-plus/modules# cd agent/
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon/falcon-plus/modules/agent# ll
total 68
drwxr-xr-x  8 root root  4096 Dec  3 16:41 ./
drwxr-xr-x 12 root root  4096 Dec  3 16:41 ../
-rw-r--r--  1 root root  1288 Dec  3 16:41 cfg.example.json
-rwxr-xr-x  1 root root  2291 Dec  3 16:41 control*
drwxr-xr-x  2 root root  4096 Dec  3 16:41 cron/
drwxr-xr-x  2 root root  4096 Dec  3 16:41 funcs/
drwxr-xr-x  2 root root  4096 Dec  3 16:41 g/
-rw-r--r--  1 root root    99 Dec  3 16:41 .gitignore
drwxr-xr-x  2 root root  4096 Dec  3 16:41 http/
-rw-r--r--  1 root root 11358 Dec  3 16:41 LICENSE
-rw-r--r--  1 root root  1527 Dec  3 16:41 main.go
-rw-r--r--  1 root root   462 Dec  3 16:41 NOTICE
drwxr-xr-x  2 root root  4096 Dec  3 16:41 plugins/
drwxr-xr-x  5 root root  4096 Dec  3 16:41 public/
-rw-r--r--  1 root root   698 Dec  3 16:41 README.md
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon/falcon-plus/modules/agent# ./control build
5.1.2
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon/falcon-plus/modules/agent# ./control pack
5.1.2
...tar falcon-agent-5.1.2.tar.gz <= public control cfg.example.json falcon-agent
root@ubuntu:/data/mygoworkspace/src/github.com/open-falcon/falcon-plus/modules/agent# ll
total 13744
drwxr-xr-x  9 root root    4096 Dec  3 16:46 ./
drwxr-xr-x 12 root root    4096 Dec  3 16:41 ../
-rw-r--r--  1 root root    1288 Dec  3 16:41 cfg.example.json
-rwxr-xr-x  1 root root    2291 Dec  3 16:41 control*
drwxr-xr-x  2 root root    4096 Dec  3 16:41 cron/
-rwxr-xr-x  1 root root 9900773 Dec  3 16:46 falcon-agent*
-rw-r--r--  1 root root 4090171 Dec  3 16:46 falcon-agent-5.1.2.tar.gz
drwxr-xr-x  2 root root    4096 Dec  3 16:41 funcs/
drwxr-xr-x  2 root root    4096 Dec  3 16:41 g/
-rw-r--r--  1 root root      99 Dec  3 16:41 .gitignore
-rw-r--r--  1 root root       8 Dec  3 16:46 gitversion
drwxr-xr-x  2 root root    4096 Dec  3 16:41 http/
-rw-r--r--  1 root root   11358 Dec  3 16:41 LICENSE
-rw-r--r--  1 root root    1527 Dec  3 16:41 main.go
-rw-r--r--  1 root root     462 Dec  3 16:41 NOTICE
drwxr-xr-x  2 root root    4096 Dec  3 16:41 plugins/
drwxr-xr-x  5 root root    4096 Dec  3 16:41 public/
-rw-r--r--  1 root root     698 Dec  3 16:41 README.md
drwxr-xr-x  2 root root    4096 Dec  3 16:46 var/

安装agent 修改配置文件

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root@ubuntu:/data/open-falcon# pwd
/data/open-falcon
root@ubuntu:/data/open-falcon# cp /data/mygoworkspace/src/github.com/open-falcon/falcon-plus/modules/agent/falcon-agent-5.1.2.tar.gz  ./
root@ubuntu:/data/open-falcon# ll
total 4004
drwxr-xr-x 2 root root    4096 Dec  3 16:49 ./
drw------- 9 root root    4096 Dec  3 14:08 ../
-rw-r--r-- 1 root root 4090171 Dec  3 16:49 falcon-agent-5.1.2.tar.gz
root@ubuntu:/data/open-falcon# tar -xzvf falcon-agent-5.1.2.tar.gz 
root@ubuntu:/data/open-falcon# ll
total 13700
drwxr-xr-x 4 root root    4096 Dec  3 16:50 ./
drw------- 9 root root    4096 Dec  3 14:08 ../
-rw-r--r-- 1 root root    1288 Dec  3 16:41 cfg.example.json
-rw-r--r-- 1 root root    1266 Dec  3 16:49 cfg.json
-rwxr-xr-x 1 root root    2291 Dec  3 16:41 control*
-rwxr-xr-x 1 root root 9900773 Dec  3 16:46 falcon-agent*
-rw-r--r-- 1 root root 4090171 Dec  3 16:49 falcon-agent-5.1.2.tar.gz
-rw-r--r-- 1 root root       8 Dec  3 16:46 gitversion
drwxr-xr-x 5 root root    4096 Dec  3 16:41 public/
drwxr-xr-x 2 root root    4096 Dec  3 16:50 var/
root@ubuntu:/data/open-falcon# cat cfg.json 
{
    "debug": true,
    "hostname": "",
    "ip": "",
    "plugin": {
        "enabled": false,
        "dir": "./plugin",
        "git": "https://github.com/open-falcon/plugin.git",
        "logs": "./logs"
    },
    "heartbeat": {
        "enabled": true,
        "addr": "192.168.2.104:6030",
        "interval": 60,
        "timeout": 1000
    },
    "transfer": {
        "enabled": true,
        "addrs": [
            "192.168.2.104:8433"
        ],
        "interval": 60,
        "timeout": 1000
    },
    "http": {
        "enabled": true,
        "listen": ":1988",
        "backdoor": false
    },
    "collector": {
        "ifacePrefix": ["eth", "em"],
        "mountPoint": []
    },
    "default_tags": {
    },
    "ignore": {
        "cpu.busy": true,
        "df.bytes.free": true,
        "df.bytes.total": true,
        "df.bytes.used": true,
        "df.bytes.used.percent": true,
        "df.inodes.total": true,
        "df.inodes.free": true,
        "df.inodes.used": true,
        "df.inodes.used.percent": true,
        "mem.memtotal": true,
        "mem.memused": true,
        "mem.memused.percent": true,
        "mem.memfree": true,
        "mem.swaptotal": true,
        "mem.swapused": true,
        "mem.swapfree": true
    }
}

启动运行

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root@ubuntu:/data/open-falcon# ./control start
falcon-agent started..., pid=30913
root@ubuntu:/data/open-falcon# ./control status
started
root@ubuntu:/data/open-falcon# ./control tail
2017/12/03 16:50:36 cfg.go:142: read config file: cfg.json successfully
2017/12/03 16:50:36 http.go:88: listening :1988
2017/12/03 16:51:36 var.go:102: => <Total=69> <Endpoint:ubuntu, Metric:agent.alive, Type:GAUGE, Tags:, Step:60, Time:1512291096, Value:1>
2017/12/03 16:51:36 var.go:102: => <Total=25> <Endpoint:ubuntu, Metric:df.bytes.free.percent, Type:GAUGE, Tags:mount=/,fstype=ext4, Step:60, Time:1512291096, Value:87.72145698728876>
2017/12/03 16:51:36 plugin.go:78: <Plugins:[sys/disk sys/ntp], Timestamp:1512291096>
2017/12/03 16:51:36 var.go:109: <= <Total=69, Invalid:0, Latency=0ms, Message:ok>
2017/12/03 16:51:36 var.go:109: <= <Total=25, Invalid:0, Latency=0ms, Message:ok>
2017/12/03 16:51:36 var.go:102: => <Total=6> <Endpoint:ubuntu, Metric:ss.timewait, Type:GAUGE, Tags:, Step:60, Time:1512291096, Value:0>
2017/12/03 16:51:36 var.go:109: <= <Total=6, Invalid:0, Latency=0ms, Message:ok>

验证

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root@ubuntu:/data/open-falcon#  curl http://127.0.0.1:1988/proc/cpu/num
{"msg":"success","data":1}root@ubuntu:/data/open-falcon# 
root@ubuntu:/data/open-falcon# curl http://127.0.0.1:1988/page/system/uptime
{"msg":"success","data":"0 days 3 hours 8 minutes"}root@ubuntu:/data/open-falcon#

默认接口

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http://127.0.0.1:1988/exit
http://127.0.0.1:1988/config/reload
http://127.0.0.1:1988/workdir
http://127.0.0.1:1988/ips
http://127.0.0.1:1988/proc/cpu/num
http://127.0.0.1:1988/proc/cpu/mhz
http://127.0.0.1:1988/page/cpu/usage
http://127.0.0.1:1988/proc/cpu/usage
http://127.0.0.1:1988/page/df
http://127.0.0.1:1988/health
http://127.0.0.1:1988/version
http://127.0.0.1:1988/page/diskio
http://127.0.0.1:1988/proc/kernel/hostname
http://127.0.0.1:1988/proc/kernel/maxproc
http://127.0.0.1:1988/proc/kernel/maxfiles
http://127.0.0.1:1988/proc/kernel/version
http://127.0.0.1:1988/page/memory
http://127.0.0.1:1988/proc/memory
http://127.0.0.1:1988/
http://127.0.0.1:1988/plugin/update
http://127.0.0.1:1988/plugin/reset
http://127.0.0.1:1988/plugins
http://127.0.0.1:1988/v1/push
http://127.0.0.1:1988/system/date
http://127.0.0.1:1988/page/system/uptime
http://127.0.0.1:1988/proc/system/uptime
http://127.0.0.1:1988/page/system/loadavg
http://127.0.0.1:1988/proc/system/loadavg

浏览器直接访问

插件安装

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root@ubuntu:/data/open-falcon# mkdir plugins
root@ubuntu:/data/open-falcon# cd plugins/
root@ubuntu:/data/open-falcon/plugins# pwd
/data/open-falcon/plugins
root@ubuntu:/data/open-falcon/plugins# git clone https://github.com/open-falcon/plugin.git
Cloning into 'plugin'...
remote: Counting objects: 21, done.
remote: Total 21 (delta 0), reused 0 (delta 0), pack-reused 21
Unpacking objects: 100% (21/21), done.
Checking connectivity... done.
root@ubuntu:/data/open-falcon/plugins# ll
total 12
drwxr-xr-x 3 root root 4096 Dec  3 17:02 ./
drwxr-xr-x 5 root root 4096 Dec  3 17:01 ../
drwxr-xr-x 6 root root 4096 Dec  3 17:02 plugin/
root@ubuntu:/data/open-falcon/plugins# mv plugin/* ./
root@ubuntu:/data/open-falcon/plugins# ll
total 24
drwxr-xr-x 6 root root 4096 Dec  3 17:02 ./
drwxr-xr-x 5 root root 4096 Dec  3 17:01 ../
drwxr-xr-x 2 root root 4096 Dec  3 17:02 common/
drwxr-xr-x 2 root root 4096 Dec  3 17:02 demo/
drwxr-xr-x 3 root root 4096 Dec  3 17:02 plugin/
drwxr-xr-x 5 root root 4096 Dec  3 17:02 sys/
root@ubuntu:/data/open-falcon/plugins# rm -rf plugin/
root@ubuntu:/data/open-falcon/plugins# cd ..
root@ubuntu:/data/open-falcon# ./control restart
falcon-agent stoped...
falcon-agent started..., pid=27606
root@ubuntu:/data/open-falcon# ll
total 13704
drwxr-xr-x 5 root root    4096 Dec  3 17:01 ./
drw------- 9 root root    4096 Dec  3 14:08 ../
-rw-r--r-- 1 root root    1288 Dec  3 16:41 cfg.example.json
-rw-r--r-- 1 root root    1266 Dec  3 16:49 cfg.json
-rwxr-xr-x 1 root root    2291 Dec  3 16:41 control*
-rwxr-xr-x 1 root root 9900773 Dec  3 16:46 falcon-agent*
-rw-r--r-- 1 root root 4090171 Dec  3 16:49 falcon-agent-5.1.2.tar.gz
-rw-r--r-- 1 root root       8 Dec  3 16:46 gitversion
drwxr-xr-x 5 root root    4096 Dec  3 17:02 plugins/
drwxr-xr-x 5 root root    4096 Dec  3 16:41 public/
drwxr-xr-x 2 root root    4096 Dec  3 17:02 var/
root@ubuntu:/data/open-falcon# pwd
/data/open-falcon

浏览器设置插件目录

大概等5分钟看到图,ntp 插件名是600_ntp.py 意味着每10分钟上报一次数据

ntp没有数据是ubuntu没有ntpq 这个命令

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root@ubuntu:/data/open-falcon/plugins# apt install ntp
root@ubuntu:/data/open-falcon/plugins# ntpq -pn
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 0.ubuntu.pool.n .POOL.          16 p    -   64    0    0.000    0.000   0.000
 1.ubuntu.pool.n .POOL.          16 p    -   64    0    0.000    0.000   0.000
 2.ubuntu.pool.n .POOL.          16 p    -   64    0    0.000    0.000   0.000
 3.ubuntu.pool.n .POOL.          16 p    -   64    0    0.000    0.000   0.000
 ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
-192.33.96.102   .PPS.            1 u   51   64    1  371.469  -32.679  28.738
-161.53.131.232  46.54.224.12     2 u   50   64    1  490.003  -43.253  57.495
-213.209.109.45  10.129.40.211    2 u   47   64    1  310.142  -27.899  34.489
-91.103.163.212  195.113.144.238  2 u   48   64    1  323.156  -18.509  23.309
*202.108.6.95    10.6.63.22       2 u   42   64    1   42.048   15.320   6.469
-85.199.214.101  .GPS.            1 u   45   64    1  327.656  -21.258  32.228
+217.147.223.78  194.242.34.149   2 u   44   64    1  254.132   26.142  20.354
 91.189.91.157   132.246.11.231   2 u   55   64    1  286.789    8.344   0.000
 202.112.10.36   10.3.8.150       5 u   43   64    1   42.043   17.437   8.001
 91.189.94.4     17.253.34.253    2 u   54   64    1  276.483   46.736   0.000
+173.255.246.13  204.123.2.72     2 u   40   64    1  264.252   11.578  23.180
 91.189.89.199   193.79.237.14    2 u   52   64    1  351.735    0.323   0.000
 91.189.89.198   140.203.204.77   2 u   52   64    1  355.954    5.709   0.000

同版本的操作系统只需拿这个编译好的包并修改正确的heartbeat\transfer地址重新打包好，用ansible 批量拷贝、解压、启动，全部客户端将自己上报监控数据到服务端，非常方便简单。

----纸上得来终觉浅绝知此事要躬行----
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