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运维管理全过程中，许多情况下，业务流程运用会发生诈死的状况，运用过程一切正常，可是没法保证服务项目，这时监控过程没有实际意义，就必须监控接口

接口监控的方式 许多，可以用链接监控，可以写脚本开展监控

因为监控总体选用的是prometheus，因此在这里就立即用blackbox_exporter来做接口的监控

blackbox_exporter可以根据http、https、dns、tcp、ICMP对target开展探测，dns、tcp、ICMP都相对性简易，我这边主要是要监控一个登陆接口，因此得用https来开展探测，实际配备方式如下所示

布署blockbox_exporter

#建立blackbox_exporter的文件目录

cd/usr/local/blackbox_exporter

#下载blackbox_exporter的包

wgethttps://github.com/prometheus/blackbox_exporter/releases/download/v0.19.0/blackbox_exporter-0.19.0.linux-amd64.tar.gz

#缓解压力

tar-zxvfblackbox_exporter-0.19.0.linux-amd64.tar.gz

#重新命名

mvblackbox_exporter-0.19.0.linux-amd64.tar.gzblackbox_exporter

用systemd管理方法blackbox_exporter

cat>/etc/systemd/system/blackbox_exporter.service<<"EOF"

[Unit]

Description=BlackboxExporter

Wants=network-online.target

After=network-online.target

[Service]

User=root

ExecStart=/usr/local/blackbox_exporter/blackbox_exporter/blackbox_exporter--config.file=/usr/local/blackbox_exporter/blackbox_exporter/blackbox.yml

Restart=on-failure

[Install]

WantedBy=default.target

EOF

针对blackbox_exporter管理方法得话，也有许多方式，你能立即nohup后台管理运行，还可以根据supervisor开展运行，我习惯性用systemd开展管理方法

随后加上开机自启动

systemctldaemon-reload

systemctlenableblackbox_exporter

systemctlstartblackbox_exporter

由于没特定日志輸出，因此是輸出到message日志中

默认设置带的blacbox.yml仅仅个非常简单配备，不可以满足需求，因此配备blackbox.yml中，加上一个控制模块

modules:

xhj_login:#模块名字,prometheus环境变量时要配对

prober:http#协议书

timeout:30s#请求超时時间

http:#控制模块的收集协议书

method:POST#http要求的方式

preferred_ip_protocol:"ip4"#应用的ipv4协议书

headers:#配备post请求的header头

Content-Type:application/json

body:''{"mobile":"13572801829","password":"ZWB123wyl"}''#post请求主要参数

配备进行后，储存blackbox.yml，运行blackbox_exporter

systemctlstartblackbox_exporter

systemctlstatusblackbox_exporter

●blackbox_exporter.service-BlackboxExporter

Loaded:loaded(/etc/systemd/system/blackbox_exporter.service;enabled;vendorpreset:disabled)

Active:active(running)sinceTue2022-01-0421:33:28CST;6sago

MainPID:24679(blackbox_export)

Tasks:7

Memory:1.9M

CGroup:/system.slice/blackbox_exporter.service

└─24679/data/prometheus/blackbox_exporter/blackbox_exporter/blackbox_exporter--config.file=/data/prometheus/blackbox_exporter/blackbox_exporter/blackbox....

Jan0421:33:28systemd[1]:StartedBlackboxExporter.

Jan0421:33:28blackbox_exporter[24679]:level=infots=2022-01-04T13:33:28.173Zcaller=main.go:224msg="Startingblackbox_exporter"version="(v...33d1ed0)"

Jan0421:33:28blackbox_exporter[24679]:level=infots=2022-01-04T13:33:28.173Zcaller=main.go:225build_context="(go=go1.16.4,user=root@2b025...2:56:44)"

Jan0421:33:28blackbox_exporter[24679]:level=infots=2022-01-04T13:33:28.173Zcaller=main.go:237msg="Loadedconfigfile"

Jan0421:33:28blackbox_exporter[24679]:level=infots=2022-01-04T13:33:28.174Zcaller=main.go:385msg="Listeningonaddress"address=:9115

Jan0421:33:28blackbox_exporter[24679]:level=infots=2022-01-04T13:33:28.174Zcaller=tls_config.go:191msg="TLSisdisabled."http2=false

Hint:Somelineswereellipsized,use-ltoshowinfull.

配备prometheus

#blackbox

-job_name:"blackbox"

metrics_path:/probe

params:

module:[xhj_login]

static_configs:

-targets:

-https://xxx.aaa.com/api/pc/user/login/password

relabel_configs:

-source_labels:[._address__]

target_label:._param_target

-source_labels:[_param_target]

target_label:instance

-target_label:__address._

replacement:172.17.0.1:9115

……省去

……省略

配备进行后，储存，热载入prometheus环境变量

curl-XPOSThttp://localhost:9090/-/reload

载入成功后，根据prometheus的UI查询下targets

这时实际上可以根据被要求端日志就可以见到blackbox_exporter进行的要求了，大家还可以根据curl要求blackbox_exporter来实现查询

#留意这儿用&标记连接好几个主要参数，必须转译

curlhttp://172.17.0.1:9115/probe?target=https://xxx.aaa.com/api/pc/user/login/password\&module=xhj_login\&debug=true

#查询回到結果

Logsfortheprobe:

ts=2022-01-04T14:10:32.979231489Zcaller=main.go:320module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="Beginningprobe"probe=httptimeout_seconds=30

ts=2022-01-04T14:10:32.979411891Zcaller=http.go:335module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="Resolvingtargetaddress"ip_protocol=ip4

ts=2022-01-04T14:10:32.986112778Zcaller=http.go:335module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="Resolvedtargetaddress"ip=1.1.1.1

ts=2022-01-04T14:10:32.986225541Zcaller=client.go:251module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="MakingHTTPrequest"url=https://1.1.1.1/api/pc/user/login/passwordhost=xxx.aaa.com

ts=2022-01-04T14:10:33.05701057Zcaller=main.go:130module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="ReceivedHTTPresponse"status_code=200

ts=2022-01-04T14:10:33.057095911Zcaller=main.go:130module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="Responsetimingsforroundtrip"roundtrip=0start=2022-01-04T22:10:32.986352765 08:00dnsDone=2022-01-04T22:10:32.986352765 08:00connectDone=2022-01-04T22:10:32.992658409 08:00gotConn=2022-01-04T22:10:33.038333687 08:00responseStart=2022-01-04T22:10:33.056951457 08:00tlsStart=2022-01-04T22:10:32.992701614 08:00tlsDone=2022-01-04T22:10:33.038235019 08:00end=2022-01-04T22:10:33.057074505 08:00

ts=2022-01-04T14:10:33.057187486Zcaller=main.go:320module=xhj_logintarget=https://xxx.aaa.com/api/pc/user/login/passwordlevel=infomsg="Probesucceeded"duration_seconds=0.077883376

能够看见，http_status_code 200,probe_success为1，浏览一切正常

加上报警

建立rules

groups:

-name:blackbox_networks_stats

rules:

-alert:PC登陆插口常见故障

expr:probe_success==0

for:1m

labels:

severity:critical

annotations:

summary:"PC登陆插口出现异常，没法正常登录，请立即查询！"

description:"PC登陆插口出现异常，没法正常登录，请立即查询！"

建立进行后，热载入prometheus配备，随后查看prometheus的rules

Grafana加上监控图标

监管配备完，务必得配个数据可视化车内仪表盘，立即用5345模版导进

车内仪表盘中表明插口情况、是不是应用SSL、包含SSL证书到期時间、插口状态码、接口要求時间和DNS分析時间