prometheus编译安装

旧城等待， 2022-06-02 02:54 351阅读 0赞

prometheus是搜集应用程序所使用的CPU 内存 以及磁盘使用大小的神器，  
它可以根据用户所配置的性能阀值给出相应的处理，比如 邮件告警等，在这里就不啰嗦了，由于本人也是刚刚学习 所以能说的也就这么多.

**一.代码编译：**  
1.克隆代码

git clone https://github.com/prometheus/prometheus.git

2.代码编译，很简单，因为官方提供了Makefile ,直接在prometheus文件下执行

make build

执行之后的结果：

[root@reg prometheus]# ls -l
    total 76700
    -rw-r--r--  1 root root    52270 Dec 16 11:33 CHANGELOG.md
    -rw-r--r--  1 root root     2415 Dec 16 11:33 circle.yml
    drwxr-xr-x  4 root root     4096 Dec 16 11:33 cmd
    -rw-r--r--  1 root root      155 Dec 16 11:33 code-of-conduct.md
    drwxr-xr-x  3 root root     4096 Dec 16 11:33 config
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 console_libraries
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 consoles
    -rw-r--r--  1 root root     3022 Dec 16 11:33 CONTRIBUTING.md
    drwxr-xr-x  3 root root     4096 Jan  1 11:06 data
    drwxr-xr-x 13 root root     4096 Dec 16 11:33 discovery
    -rw-r--r--  1 root root     1056 Dec 16 11:33 Dockerfile
    drwxr-xr-x  5 root root     4096 Dec 16 11:33 docs
    drwxr-xr-x  5 root root     4096 Dec 16 11:33 documentation
    -rw-r--r--  1 root root    11357 Dec 16 11:33 LICENSE
    -rw-r--r--  1 root root      440 Dec 16 11:33 MAINTAINERS.md
    -rw-r--r--  1 root root     3373 Dec 16 11:33 Makefile
    -rw-r--r--  1 root root     2769 Dec 16 11:33 NOTICE
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 notifier
    drwxr-xr-x  9 root root     4096 Dec 16 11:33 pkg
    -rwxr-xr-x  1 root root 65406721 Dec 16 11:56 prometheus
    -rw-r--r--  1 root root      216 Jan  1 11:05 prometheus.yml
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 prompb
    drwxr-xr-x  4 root root     4096 Dec 16 11:33 promql
    -rwxr-xr-x  1 root root 12932451 Dec 16 11:57 promtool
    -rw-r--r--  1 root root     4482 Dec 16 11:33 README.md
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 relabel
    drwxr-xr-x  3 root root     4096 Dec 16 11:33 retrieval
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 rules
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 scripts
    drwxr-xr-x  4 root root     4096 Dec 16 11:33 storage
    drwxr-xr-x  2 root root     4096 Dec 16 11:33 template
    drwxr-xr-x  9 root root     4096 Dec 16 11:33 util
    drwxr-xr-x  7 root root     4096 Dec 16 11:33 vendor
    -rw-r--r--  1 root root        6 Dec 16 11:33 VERSION
    drwxr-xr-x  4 root root     4096 Dec 16 11:33 web

就可以了,当然，golang的环境问题，是必须的，另外，编译之后您也可以进行镜像打包

make docker

就可以了  
结果:

[root@reg prometheus]# docker images | grep prometheus
    prometheus                                          master               d4bd4a6d5364        2 weeks ago         80.9 MB
    quay.io/prometheus/busybox                          latest               747e1d7f6665        3 months ago        2.57 MB

quay.io/prometheus/busybox 这个镜像是基础镜像

**二 安装**  
创建prometheus.yml文件  
内容

[root@reg prometheus]# cat prometheus.yml 
    global:
      scrape_interval:     15s
      evaluation_interval: 15s
    
    rule_files:
      # - "first.rules"
      # - "second.rules"
    
    scrape_configs:
      - job_name: 'prometheus'
        static_configs:
          - targets: ['10.39.0.102:9090']

这个是官方的简单的例子  
执行：

[root@reg prometheus]# ./prometheus --config.file=prometheus.yml 
    level=info ts=2018-01-01T03:06:43.633722756Z caller=main.go:220 msg="Starting Prometheus" version="(version=2.0.0, branch=master, revision=9083d41d3a788f750d520a3975dced39644471a9)"
    level=info ts=2018-01-01T03:06:43.633823681Z caller=main.go:221 build_context="(go=go1.9.2, user=root@reg.ennew.com, date=20171216-03:56:18)"
    level=info ts=2018-01-01T03:06:43.633847699Z caller=main.go:222 host_details="(Linux 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017 x86_64 reg.ennew.com (none))"
    level=info ts=2018-01-01T03:06:43.633865608Z caller=main.go:223 fd_limits="(soft=1024, hard=4096)"
    level=info ts=2018-01-01T03:06:43.63726474Z caller=web.go:383 component=web msg="Start listening for connections" address=0.0.0.0:9090
    level=info ts=2018-01-01T03:06:43.637175893Z caller=targetmanager.go:71 component="target manager" msg="Starting target manager..."
    level=info ts=2018-01-01T03:06:43.637261778Z caller=main.go:400 msg="Starting TSDB ..."
    level=info ts=2018-01-01T03:06:43.648872734Z caller=main.go:410 msg="TSDB started"
    level=info ts=2018-01-01T03:06:43.648933774Z caller=main.go:492 msg="Loading configuration file" filename=prometheus.yml
    level=info ts=2018-01-01T03:06:43.649697319Z caller=main.go:387 msg="Server is ready to receive requests."

在浏览器打开：[http://10.39.0.102:9090/metrics][http_10.39.0.102_9090_metrics]  
会看到

# HELP go_gc_duration_seconds A summary of the GC invocation durations.
    # TYPE go_gc_duration_seconds summary
    go_gc_duration_seconds{quantile="0"} 5.419e-05
    go_gc_duration_seconds{quantile="0.25"} 7.8513e-05
    go_gc_duration_seconds{quantile="0.5"} 0.000132775
    go_gc_duration_seconds{quantile="0.75"} 0.000183778
    go_gc_duration_seconds{quantile="1"} 0.004308542
    go_gc_duration_seconds_sum 0.005393469
    go_gc_duration_seconds_count 10
    # HELP go_goroutines Number of goroutines that currently exist.
    # TYPE go_goroutines gauge
    go_goroutines 81
    ....

在浏览器打开：[http://10.39.0.102:9090/][http_10.39.0.102_9090]  
就会看到页面了

![prometheus][]

现在您就可以使用操作界面了

关于如何使用 请参考[官方文档][Link 1]

简单举个例子

在页面输入：

http_requests_total

结果

![prometheus][prometheus 1]

还有编译prometheus 的node-exporter 也是这么比较容易的，在这里就费笔墨了

[http_10.39.0.102_9090_metrics]: http://10.39.0.102:9090/metrics
[http_10.39.0.102_9090]: http://10.39.0.102:9090/
[prometheus]: /images/20220602/19a76054c05e46cbb774d48cec6e9b17.png
[Link 1]: https://prometheus.io/docs/introduction/first_steps/
[prometheus 1]: /images/20220602/a2e79e59883846a69ed5991e5c67f945.png