今天我想分享一個有趣的項目叫做 “K8s ChatGPT Bot[1]”。該項目的目的是為 K8s 集群部署一個 ChatGPT 機器人。我們可以詢問 ChatGPT 幫助我們解決 Prometheus 的警報,可以得到簡潔的答復,不再需要一人在黑暗中獨自解決警報問題!
我們需要用到 Robusta[2],如果你還沒有 Robusta,可以參考《K8s — Robusta, K8s Troubleshooting Platform[3]》搭建一個 Robusta 平臺。
下圖是 Robusta 平臺如何工作的截圖:
你可以在此處查看完整的演示視頻:
https://www.loom.com/share/964cd8735a874287a9155c77320bdcdb
運行 K8s ChatGPT 機器人項目
該機器人項目是基于 Robusta.dev[4] 實現的,Robusta.dev 是一個用于響應 K8s 警報的開源平臺。其工作流程大致如下:
- Prometheus 使用 Webhook 接收器將警報轉發給 Robusta.dev 。
- Robusta.dev 詢問 ChatGPT 如何修復 Prometheus 警報。
基于 Spring Boot + MyBatis Plus + Vue & Element 實現的后臺管理系統 + 用戶小程序,支持 RBAC 動態權限、多租戶、數據權限、工作流、三方登錄、支付、短信、商城等功能
- 項目地址:https://github.com/YunaiV/ruoyi-vue-pro
- 視頻教程:https://doc.iocoder.cn/video/
先決條件
基于 Spring Cloud Alibaba + Gateway + Nacos + RocketMQ + Vue & Element 實現的后臺管理系統 + 用戶小程序,支持 RBAC 動態權限、多租戶、數據權限、工作流、三方登錄、支付、短信、商城等功能
- 項目地址:https://github.com/YunaiV/yudao-cloud
- 視頻教程:https://doc.iocoder.cn/video/
如何安裝 Robusta
生成 Robusta 配置文件
為 Robusta 準備 Python 虛擬環境。
$python3.10-mvenvrobusta
$sourcerobusta/bin/activate
(robusta)$pipinstall-Urobusta-cli--no-cache
Collectingrobusta-cli
Downloadingrobusta_cli-0.10.10-py3-none-any.whl(223kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━223.8/223.8kB30.0MB/seta0:00:00
Collectingpymsteams<0.2.0,>=0.1.16
Downloadingpymsteams-0.1.16.tar.gz(7.6kB)
Preparingmetadata(setup.py)...done
...
SuccessfullyinstalledPyJWT-2.4.0appdirs-1.4.4autopep8-2.0.1black-21.5b2
cachetools-5.2.1certifi-2022.12.7cffi-1.15.1charset-normalizer-3.0.1
...
ruamel.yaml.clib-0.2.7six-1.16.0slack-sdk-3.19.5tenacity-8.1.0
toml-0.10.2tomli-2.0.1typer-0.4.2typing-extensions-4.4.0urllib3-1.26.14
watchgod-0.7webexteamssdk-1.6.1websocket-client-1.3.3
使用 robusta 生成一個配置文件:
$robustagen-config
Robustareportsitsfindingstoexternaldestinations(wecallthem"sinks").
We'lldefinesomeofthemnow.
ConfigureSlackintegration?ThisisHIGHLYrecommended.[Y/n]:Y
Ifyourbrowserdoesnotautomaticallylaunch,openthebelowurl:
https://api.robusta.dev/integrations/slack?id=xxxx
配置 Slack 集成
使用瀏覽器打開網頁:https://api.robusta.dev/integrations/slack?id=xxxx
更新權限:
恭喜你配置 Slack 集成成功。
現在回到我們的 Terminal 終端,我們可以看到以下內容,說明操作成功:
$robustagen-config
Robustareportsitsfindingstoexternaldestinations(wecallthem"sinks").
We'lldefinesomeofthemnow.
ConfigureSlackintegration?ThisisHIGHLYrecommended.[Y/n]:Y
Ifyourbrowserdoesnotautomaticallylaunch,openthebelowurl:
https://api.robusta.dev/integrations/slack?id=xxxx
You'vejustconnectedRobustatotheSlackof:devopsfans
WhichslackchannelshouldIsendnotificationsto?#k8s-chatgpt-bot
ConfigureRobustaUIsink?ThisisHIGHLYrecommended.[Y/n]:Y
EnteryourGmail/Googleaddress.Thiswillbeusedtologin:xxx@gmail.com
Chooseyouraccountname(e.gyourorganizationname):devopsfans
Successfullyregistered.
RobustacanusePrometheusasanalertsource.
Ifyouhaven'tinstalledityet,Robustacaninstalla
pre-configuredPrometheus.
Wouldyouliketodoso?[y/N]:y
PleasereadandapproveourEndUserLicenseAgreement:
https://api.robusta.dev/eula.html
DoyouacceptourEndUserLicenseAgreement?[y/N]:y
Lastquestion!WouldyouliketohelpusimproveRobustabysendingexceptionreports?[y/N]:N
Savedconfigurationto./generated_values.yaml-savethisfileforfutureuse!
FinishinstallingwithHelm(seetheRobustadocs).
ThenlogintoRobustaUIathttps://platform.robusta.dev
Bytheway,we'llsendyousomemessageslatertogetfeedback.
(Wedon'tstoreyourAPIkey,sowescheduledfuturemessagesusingSlack's
API)
在 slack channel 中,我們還可以看到:
使用 Helm3 安裝 Robusta
安裝和更新 robusta 倉庫。
$helmrepoaddrobustahttps://robusta-charts.storage.googleapis.com&&helmrepoupdate
"robusta"hasbeenaddedtoyourrepositories
Hangtightwhilewegrabthelatestfromyourchartrepositories...
...Successfullygotanupdatefromthe"kedacore"chartrepository
...Successfullygotanupdatefromthe"robusta"chartrepository
...Successfullygotanupdatefromthe"grafana"chartrepository
...Successfullygotanupdatefromthe"prometheus-community"chartrepository
...Successfullygotanupdatefromthe"stable"chartrepository
UpdateComplete.?HappyHelming!?
更新 generated_values.yaml 文件
使用以下內容更新 generated_values.yaml 文件:
playbookRepos:
chatgpt_robusta_actions:
url:"https://github.com/robusta-dev/kubernetes-chatgpt-bot.git"
customPlaybooks:
#Addthe'AskChatGPT'buttontoallPrometheusalerts
-triggers:
-on_prometheus_alert:{}
actions:
-chat_gpt_enricher:{}
globalConfig:
chat_gpt_token:YOURKEYGOESHERE
將 Robusta 部署到 K8s
$helminstallrobustarobusta/robusta-f./generated_values.yaml
--setclusterName=dev-cluster
驗證兩個 Robusta pod 正常運行且在日志中沒有發現錯誤日志:
$kubectlgetpods-A|greprobusta
defaultalertmanager-robusta-kube-prometheus-st-alertmanager-02/2Running1(4m19sago)9m25s
defaultprometheus-robusta-kube-prometheus-st-prometheus-02/2Running09m25s
defaultrobusta-forwarder-6b7d8d9d88-2rv9d1/1Running09m29s
defaultrobusta-grafana-64944bfcdc-v97xh3/3Running09m29s
defaultrobusta-kube-prometheus-st-admission-patch-6zj4b0/1Completed09m28s
defaultrobusta-kube-prometheus-st-operator-7b985d7fb-c9f9t1/1Running09m29s
defaultrobusta-kube-state-metrics-688d794968-ll6gf1/1Running09m29s
defaultrobusta-prometheus-node-exporter-2k5f71/1Running05m24s
defaultrobusta-prometheus-node-exporter-zxsrg1/1Running09m29s
defaultrobusta-runner-5868b494d6-m62921/1Running09m29s
$robustalogs
settingupcoloredlogging
2023-01-1422:57:01.428INFOloggerinitializedusingINFOloglevel
2023-01-1422:57:01.429INFOCreatinghikarumonkeypatches
2023-01-1422:57:01.429INFOCreatingyamlmonkeypatch
2023-01-1422:57:01.429INFOCreatingkubernetesContainerImagemonkeypatch
2023-01-1422:57:01.430INFOwatchingdir/etc/robusta/playbooks/forcustomplaybookschanges
2023-01-1422:57:01.431INFOwatchingdir/etc/robusta/config/active_playbooks.yamlforcustomplaybookschanges
2023-01-1422:57:01.431INFOReloadingplaybookpackagesduetochangeoninitialization
2023-01-1422:57:01.431INFOloadingconfig/etc/robusta/config/active_playbooks.yaml
2023-01-1422:57:01.467INFONocustomplaybooksdefinedat/etc/robusta/playbooks/storage
2023-01-1422:57:01.468INFOCloninggitrepohttps://github.com/robusta-dev/kubernetes-chatgpt-bot.git.reponamekubernetes-chatgpt-bot
...
2023-01-1422:57:07.364INFOconnectingtoserverasaccount_id=8302df56-c554-4129-8b95-d143d1f2e3a2;cluster_name=dev-cluster
2023-01-1422:57:07.977INFOInitializingservicescache
2023-01-1422:57:08.203INFOInitializingnodescache
2023-01-1422:57:08.395INFOInitializingjobscache
2023-01-1422:57:08.603INFOGettingeventshistory
2023-01-1422:57:10.403INFOClusterhistoricaldatasent.
2023-01-1423:04:43.681INFOclusterstatus{'account_id':'8302df56-c554-4129-8b95-d143d1f2e3a2','cluster_id':'dev-cluster','version':'0.10.10','last_alert_at':'2023-01-142318.959377','light_actions':['related_pods','prometheus_enricher','add_silence','delete_pod','delete_silence','get_silences','logs_enricher','pod_events_enricher','deployment_events_enricher','job_events_enricher','job_pod_enricher','get_resource_yaml','node_cpu_enricher','node_disk_analyzer','node_running_pods_enricher','node_allocatable_resources_enricher','node_status_enricher','node_graph_enricher','oomkilled_container_graph_enricher','pod_oom_killer_enricher','oom_killer_enricher','volume_analysis','python_profiler','pod_ps','python_memory','debugger_stack_trace','python_process_inspector','prometheus_alert','create_pvc_snapshot'],'updated_at':'now()'}
使用 Robusta
現在,我們終于可以使用 Robusta 了!默認情況下,Robusta 在當 K8s Pod 崩潰時發送通知。
因此,讓我們創建一個崩潰的 Pod:
$kubectlapply-fhttps://gist.githubusercontent.com/robusta-lab/283609047306dc1f05cf59806ade30b6/raw
deployment.apps/crashpodcreated
$kubectlgetpods-A|grepcrash
defaultcrashpod-64db77b594-cgz4s0/1CrashLoopBackOff2(21sago)36s
一旦 Pod 達到兩次重啟,在 Slack channel 我們就將收到有關 Pod 崩潰的消息,如下所示:
與 ChatGPT 互動
經過我們的實驗,我們已經確認 Robusta 已與我們的 Slack 和 K8s 集群集成。接下來讓我們與 ChatGPT 機器人進行交互!
立即觸發 Prometheus 警報,跳過正常延遲:
$robustaplaybookstriggerprometheus_alertalert_name=KubePodCrashLoopingnamespace=defaultpod_name=example-pod
======================================================================
Triggeringaction...
======================================================================
runningcmd:curl-XPOSThttp://localhost:5000/api/trigger-H'Content-Type:application/json'-d
'{"action_name":"prometheus_alert","action_params":
{"alert_name":"KubePodCrashLooping","namespace":"default",
"pod_name":"example-pod"}}'
{"success":true}
======================================================================
Fetchinglogs...
======================================================================
2023-01-1423:14:33.463INFOErrorloadingkubernetespoddefault/example-pod.reason:NotFoundstatus:404
2023-01-1423:14:33.481INFOErrorloadingkubernetespoddefault/example-pod.reason:NotFoundstatus:404
2023-01-1423:14:33.503INFOErrorloadingkubernetespoddefault/example-pod.reason:NotFoundstatus:404
2023-01-1423:14:33.505ERRORcannotrunpod_events_enricheronalertwithnopodobject:PrometheusKubernetesAlert(sink_findings=defaultdict(<class'list'>,{'main_slack_sink':[0x7fab53074e20>],'main_ms_teams_sink':[0x7fab53074700>],'robusta_ui_sink':[0x7fab40773a30>]}),named_sinks=['main_slack_sink','main_ms_teams_sink','robusta_ui_sink'],response={'success':True},stop_processing=False,_scheduler=0x7fab4088e0a0>,_context=ExecutionContext(account_id='8302df56-c554-4129-8b95-d143d1f2e3a2',cluster_name='dev-cluster'),obj=None,alert=PrometheusAlert(endsAt=datetime.datetime(2023,1,14,23,14,33,430401),generatorURL='',startsAt=datetime.datetime(2023,1,14,23,14,33,430406),fingerprint='',status='firing',labels={'severity':'error','namespace':'default','alertname':'KubePodCrashLooping','pod':'example-pod'},annotations={}),alert_name='KubePodCrashLooping',alert_severity='error',label_namespace='default',node=None,pod=None,deployment=None,job=None,daemonset=None,statefulset=None)
2023-01-1423:14:33.524INFOErrorloadingkubernetespoddefault/example-pod.reason:NotFoundstatus:404
2023-01-1423:14:33.696ERRORCallbackBlocknotsupportedformsteams
2023-01-1423:14:33.697ERRORerrorsendingmessagetomsteams
e=InvalidURL'False':Noschemasupplied.Perhapsyoumeanthttp://False?
======================================================================
Done!
======================================================================
現在切換到 Slack,我們將看到一個新警報,并且這次帶有 “Ask ChatGPT” 的按鈕!
就是這樣!恭喜,我們剛剛成功安裝了我們的第一個 K8s ChatGPT 機器人!
示例 2:節點容量為 100%
下面是一個節點達到 100% 容量的例子:
Robusta UI
Robusta 有一個用于集成的 UI,也有一個預配置的 Promethus 系統,如果你還沒有自己的 K8s 集群,并且想嘗試一下這個 ChatGPT 機器人,你可以使用 Robusta 現有的!
結論
我們花了一些時間終于把 K8s + ChatGPT 平臺搭建起來了。這是一個由愛好者們共同組建的項目,并且此項目具有很大的潛力。我希望你喜歡這篇文章。
如果你還沒有自己的 K8s 集群和 Prometheus 監控系統,你可以使用 Robusta 預配置的 Promethus 監控系統。
審核編輯 :李倩
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原文標題:為Kubernetes集群部署一個ChatGPT機器人
文章出處:【微信號:芋道源碼,微信公眾號:芋道源碼】歡迎添加關注!文章轉載請注明出處。
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