Life with Datadog

Transcript

1. Life with Datadog Takeshi Kondo / @chaspy 2021/01/24 July Tech

   Festa Winter 2021

2. Who am I chaspy chaspy_ Lead Software Engineer Site Reliability

   at Quipper Takeshi Kondo

3. Japan Datadog User Group Organizer • https://datadog-jp.connpass.com/

4. Software Design 2݄߸ʹDatadog ϋϯζΦϯهࣄΛدߘ • ʲୈ2ಛूʳγεςϜ؂ࢹͷ࢝Ίํɾଓ͚ํ ୈ3ষ Datadog Ͱ࣮ફ͢ΔSaaS؂ࢹ https://twitter.com/chaspy_/status/1350270946767081472?s=20

   Datadog ॳ৺ऀͷํ͸ͥͻʂ

5. TγϟπͱۺԼ͍͖ͨͩ·ͨ͠ https://twitter.com/chaspy_/status/1352577570278043649?s=20 ཉ͍͠ͻͱ͸ meetup Ͱ࿩ͨ͠Γ ϞϒϓϩࢀՃ͢Δͱ΋Β͑Δ͔΋ʂ

6. ࠓ೔͸ Datadog ΁ͷѪΛޠΓ·͢ https://www.datadoghq.com/about/resources/ Monitoring SaaS

7. ࠓ೔ͷൃද • ର৅ • γεςϜӡ༻ऀ • Monitoring SaaS ʹڵຯ͕͋Δͻͱ •

   Datadog ʹڵຯ͕͋Δͻͱ • ΰʔϧ • Datadog ͷྑ͞Λ஌Δ • Datadog ͷ༷ʑͳԠ༻ػೳΛ஌Δ͜ͱͰ׆༻ͷώϯτΛಘΔ

8. Agenda • Datadog ͷ޷͖ͳͱ͜Ζ • ϓϩμΫτѪᷓΕΔαϙʔτ • ϦονͰΩϡʔτͳ GUI •

   SLO Summary & Alert • Datadog ͱͷੜ׆ • Monitor Summary • Weekly Summary • Alfred ͱͷ૊Έ߹Θͤ • Datadog ͱͷੜ׆ Ԡ༻ฤ • Datadog Cost ͱͷ޲͖߹͍ํ • ৽نαʔϏεͱ Datadog • Custom Metrics ͷ׆༻

9. Agenda • Datadog ͷ޷͖ͳͱ͜Ζ • ϓϩμΫτѪᷓΕΔαϙʔτ • ϦονͰΩϡʔτͳ GUI •

   SLO Summary & Alert • Datadog ͱͷੜ׆ • Monitor Summary • Weekly Summary • Alfred ͱͷ૊Έ߹Θͤ • Datadog ͱͷੜ׆ Ԡ༻ฤ • Datadog Cost ͱͷ޲͖߹͍ํ • ৽نαʔϏεͱ Datadog • Custom Metrics ͷ׆༻

10. Datadog ͷ޷͖ͳͱ͜Ζɿαϙʔτ͕͍͢͝ • Ϩεϙϯε͕ૣ͍(΄΅࣮֬ʹ24hҎ಺ʹؼͬͯ͘Δʣ • ճ౴͕త֬ • Ͱ͖ͳ͍͜ͱͰ΋ϫʔΫΞϥ΢ϯυΛҊ಺ͯ͘͠ΕΔ • ϓϩμΫτΛྑ͘͠Α͏ͱ͍͏࢟੎͕ݟ͑Δ

11. αϙʔτʹ͓ئ͍͢Δํ๏ • جຊνέοτΛىථͯ͠Δʢӳޠʣ • Help -> resource -> Tickets &

    Email Support • Ͳ͏ͯ͠΋ӳޠແཧͳΒ೔ຊޠͰͷճ౴Λ͓ئ͍͢Ε͹೔ຊ αϙʔτʹӦۀ࣌ؒͯ͘͠ΕΔΒ͍͠ • Event Stream ʹ @support-datadog Λଧͯ͹ live chat ΋Ͱ ͖ΔΒ͍͠ʢ΍ͬͨ͜ͱͳ͍͕ʣ

12. աڈͷ࣭໰ྫ • Terraform Ͱ SLO ͷ Apply ͕ Invalid Query

    ͰౖΒΕΔ • Monitor Summary Λ metrics ͱͯ͠औΕͳ͍͔૬ஊ • EKS Control Plane ͷ metrics औಘํ๏ • SLO ҧ൓ͨ͠ͱ͖ʹΞϥʔτΛඈ͹͢ํ๏ • API Key ͷ਺Λ૿΍ͤͳ͍͔૬ஊ

13. աڈͷ࣭໰ྫ • Terraform Ͱ SLO ͷ Apply ͕ Invalid Query

    ͰౖΒΕΔ • Monitor Summary Λ metrics ͱͯ͠औΕͳ͍͔૬ஊ • EKS Control Plane ͷ metrics औಘํ๏ • SLO ҧ൓ͨ͠ͱ͖ʹΞϥʔτΛඈ͹͢ํ๏ • API Key ͷ਺Λ૿΍ͤͳ͍͔૬ஊ

14. Monitor Summary Λ metrics ͱͯ͠औΕͳ͍͔૬ஊ • Monitor Summary ஌ͬͯ·͔͢ʁ •

    िʹҰ౓ϝʔϧདྷͯΔ΍ͭ • https://app.datadoghq.com/report/monitor • ࣮͸ GUI ͔Βಋઢ͕ͳ͍ʢϝʔϧ͔Β͔͠ඈ΂ͳ͍ʣ

15. Monitor Summary

16. Monitor Summary ೚ҙͷνϟϯωϧͷΞϥʔτ ͚ͩϑΟϧλ͍ͨ͠

17. Raw data(CSV) ͕ api ͰऔΕΔΒ͍͠ • CSV ͕μ΢ϯϩʔυͰ͖Δ • ͜ͷ

    CSV ͔Β custom metrics ΛૹΔίʔυΛॻ͍ͨ https://app.datadoghq.com/report/hourly_data/monitor https://docs.datadoghq.com/monitors/faq/how-can-i-export-alert-history/?tab=us

18. SLO ҧ൓ͨ͠ͱ͖ʹΞϥʔτΛඈ͹͢ํ๏ • ౰࣌͸·ͩ SLO Error Budget Alert ͷػೳ͸ͳ͔ͬͨ •

    Product Manager ͕ग़ͯ͘Δɻͦͷػೳ͸ઈࢍ։ൃதͰɺ ϢʔβΠϯλϏϡʔΛͤͯ͘͞Εͳ͍͔ͱݴͬͯ͘Δ • Support Ticket ্Ͱ͍͔࣭ͭ͘໰ʹ౴͑Δ • ͦͷޙແࣄ SLO Alert Beta ϦϦʔε!

19. Τϯήʔδϝϯτͷߴ·Γ

20. ϦονͰΩϡʔτͳGUI

21. ϦονͰΩϡʔτͳGUI • ՄࢹԽͷํ๏͕ଟ͍ • ͙͢ʹ൓ө͞ΕΔ • ؔ਺͕ଟ͍ • ίϐϖָ͕

22. ࣮ࡍʹάϥϑΛ͍ͬͯ͡ΈΑ͏

23. SLO Summary & Alert

24. SLO Summary & Alert

25. Datadog ͷ SLO ػೳ͸ͳͯ͘͸ͳΒͳ͍૬๮ https://quipper.hatenablog.com/entry/2020/01/30/slo-review

26. Terraform ؅ཧ & generator Ͱ৽نαʔϏε࡞ ੒࣌ʹ΋؆୯ʹ࡞੒Ͱ͖Δ ࣮ࡍʹݟͯΈΑ͏

27. Agenda • Datadog ͷ޷͖ͳͱ͜Ζ • ϓϩμΫτѪᷓΕΔαϙʔτ • ϦονͰΩϡʔτͳ GUI •

    SLO Summary & Alert • Datadog ͱͷੜ׆ • Monitor Summary • Weekly Summary • Alfred ͱͷ૊Έ߹Θͤ • Datadog ͱͷੜ׆ Ԡ༻ฤ • Datadog Cost ͱͷ޲͖߹͍ํ • ৽نαʔϏεͱ Datadog • Custom Metrics ͷ׆༻

28. Monitor Summary Λຖே Daily Standup Ͱݟ͍ͯΔ

29. Monitor Summary • >muted:false tag:(("severity:alert" OR "severity:emergency") AND "team:sre") •

    ͢΂ͯͷ Alert ʹ severity tag ͱ team tag ͕͍͍ͭͯΔ • ࣗ෼ͨͪͷ୲౰ͷΞϥʔτͷΈΛ Daily Standup Ͱ Check • NG ͩͬͨΒ೔ຖͷ୲౰ऀ͕ରॲ͢Δ

30. Weekly Summary • ͜͏͍͏ϝʔϧ͕དྷ͍ͯ·͢ • [Monitor Report] You received xxx

    alerts

31. Weekly Summary • ࣮͸͜͜ͰݟΕΔ • https://app.datadoghq.com/report/monitor • ΫϦοΫ͢Δͱि΍࣌ؒଳ΍Ξϥʔτνϟϯωϧɺmonitor ͰߜΓࠐΈ͕Ͱ͖Δ •

    ͜ΕΛݟͯΞϥʔτͷ਺ࣗମͷਪҠΛ௥͍ͬͯΔ

32. Alfred ͱͷ૊Έ߹Θͤ • Dashboard, monitor, SLO Λαοͱ։͚ΔΑ͏ʹ • Web Search

    ొ࿥͍ͯ͠Δ • ddd https://app.datadoghq.com/dashboard/lists?q={query} • ddm https://app.datadoghq.com/monitors/manage?q={query} • ddslo https://app.datadoghq.com/slo?query={query}

33. Agenda • Datadog ͷ޷͖ͳͱ͜Ζ • ϓϩμΫτѪᷓΕΔαϙʔτ • ϦονͰΩϡʔτͳ GUI •

    SLO Summary & Alert • Datadog ͱͷੜ׆ • Monitor Summary • Weekly Summary • Alfred ͱͷ૊Έ߹Θͤ • Datadog ͱͷੜ׆ Ԡ༻ฤ • Datadog Cost ͱͷ޲͖߹͍ํ • ৽نαʔϏεͱ Datadog • Custom Metrics ͷ׆༻

34. Datadog Cost ͷܭࢉࣜ • ݄ؒͷϗετ਺ͷ 99 percentile (max Ͱ͸ͳ͍) •

    ϗετ਺Λ࡟ݮ͢Δͱ Datadog Cost ΋ݮΔ • ϗετ਺ΛݮΒ͔͢͠ͳ͍ʢԦಓͳ͠ʣ

35. ৽نαʔϏεͱ Datadog • ৽نαʔϏεߏங࣌ʹ͸"Production Readiness Checklist" ͕͋Δ https://quipper.hatenablog.com/entry/2020/01/30/production-readiness-with-all

36. Production Readiness Checklist - Monitoring / Logging

37. Template Dashboard

38. ࣮ࡍʹ Template Dashboard ΛݟͯΈΑ͏

39. Production Readiness Checklist - SLI/SLO • Generator Λ࢖ͬͯ࡞ͬͯ Dashboard ʹ௥Ճ͢Δ͚ͩʂ

    • SLO ࣗମΛԿʹ͢Δ͔͸ Design Doc ϑΣʔζͰࡦఆ͢Δ

40. Custom metrics ͷ׆༻ྫ • CI Ͱ͔͔ͬͨ࣌ؒΛଌఆ • Docker build ͷ࣌ؒɺ֤ςετͷ࣌ؒͳͲ

    • CircleCI ͷίετΛଌఆɺՄࢹԽ • Dependabot ʹΑͬͯ open ʹͳͬͯΔ PR ਺ΛՄࢹԽ • εύΠΫΞΫηεΛ๷͙ͨΊʹෛՙ৘ใΛ custom metrics ͱͯ͠ૹ ΓɺKubernetes HPA ͔Βར༻

41. Kubernetes meetup tokyo #38 Ͱ࿩͠·ͨ͠ https://twitter.com/chaspy_/status/1352194206962388995?s=20 https://speakerdeck.com/chaspy/v2beta2-and-examples-of-using-hpa-external-metrics-with-datadog https://quipper.hatenablog.com/entry/2020/11/30/scheduled-scaling-with-hpa

42. Custom metric ͱͯ͠਎ͷճΓͷ৘ใΛૹΔϝϦοτ • ݱঢ়ΛՄࢹԽͰ͖Δ • ೚ҙͷλά౳ͰϑΟϧλ/আ֎Ͱ͖Δ • Metric ͔ΒΞϥʔτΛൃ๒Ͱ͖Δ

43. Custom metrics ΛૹΔ design pattern • Kubernetes ؀ڥͩͱ Autodiscovery ػೳ͕ศར

    https://docs.datadoghq.com/agent/kubernetes/integrations/?tab=kubernetes API ͕͋Δ֎෦γεςϜ Custom metric ੜ੒͢Δ܅ (Kubernetes Deployment) API Ͱσʔλऔಘ Datadog-agent http Ͱ prometheus ܗࣜͰ metric Λ export

44. Custom metrics ΛૹΔ design pattern • Kubernetes ؀ڥͩͱ Autodiscovery ػೳ͕ศར

    https://docs.datadoghq.com/agent/kubernetes/integrations/?tab=kubernetes API ͕͋Δ֎෦γεςϜ Custom metric ੜ੒͢Δ܅ (Kubernetes Deployment) API Ͱσʔλऔಘ Datadog-agent 1 annotations: 2 ad.datadoghq.com/timed-exam-schedule-exporter.check_names: | 3 ["prometheus"] 4 ad.datadoghq.com/timed-exam-schedule-exporter.init_configs: | 5 [{}] 6 ad.datadoghq.com/timed-exam-schedule-exporter.instances: | 7 [ 8 { 9 "prometheus_url": "http://%%host%%:8080/metrics", 10 "namespace": "namespace", 11 "metrics": ["*"] 12 } 13 ]

45. Custom metrics ΛૹΔ design pattern • Kubernetes ؀ڥͩͱ Autodiscovery ػೳ͕ศར

    https://docs.datadoghq.com/agent/kubernetes/integrations/?tab=kubernetes API ͕͋Δ֎෦γεςϜ Custom metric ੜ੒͢Δ܅ (Kubernetes Deployment) API Ͱσʔλऔಘ Datadog-agent • GitHub ͷ PR ΍ issue • AWS Security Event(GuardDuty / ECR Image Scan) • OS ͝ͱͷ EC2 Horst ਺ • RDS ͷ version ͝ͱͷΫϥελ਺

46. ·ͱΊ • Datadog Ͱ෼͔Βͳ͍͜ͱ͕͋ͬͨΒ... • ͙͢ʹ Support ʹฉ͜͏ʂૣͯ͘ஸೡʂ • Japan

    Datadog User Group ͷ Slack Ͱฉ͍ͯ΋ okʂ • Monitor Summary ͱ Weekly Report Ͱ Monitor ࣗମ΋ݮΒͯ͠ ͍͜͏ • Custom metrics ͦ͜ Datadog ͷ୉ޣຯɺͲΜͲΜ׆༻͠Α͏ʂ

47. More • ࣮ࡍͷάϥϑͱ͔ݟ͍ͨͻͱ͸࿥ըͷͳ͍࣌ʹདྷͯʂ • ͜ͷ͋ͱͷ zoom breakout room Ͱ΋Α͠ •

    ݸผʹ Twitter Ͱ࿈བྷ͘ΕΕ͹ Datadog ૬ஊ৐Γ·͢

48. એ఻

49. Thank you! chaspy chaspy_ Lead Software Engineer Site Reliability at

    Quipper Takeshi Kondo