マイクロサービス化を支える継続的切り替え術

Transcript

1. ϚΠΫϩαʔϏεԽΛࢧ ͑Δܧଓత੾Γସ͑ज़ TIJB!ΫοΫύου

2. ࣗݾ঺հ w γϜ
   αϯϤϯ !TIJB
   w ΫοΫύουגࣜձࣾ

3. ࠓ೔ͷ࿩͸ wϞόΕͽ෼཭
   ‣ γεςϜ෼཭࣌ͷ੾Γସ͑ઓུ

4. ϞόΕͽͱ͸ wΨϥέʔ޲͚ͷαʔϏε
   wػೳ௥Ճ͸΄΅͍ͯ͠ͳ͍
   wΞΫςΟϒͳϢʔβʔ͸ݮΒͳ͍

5. ෼཭ͷ֓ཁ

6. ෼཭ͷϙΠϯτ wڊେͳϞϊϦγοΫΞϓϦ͔Βͷ෼཭
   w"1*
   ܦ༝ͰϦιʔεΛऔಘ͢Δ
   ‣ 
   %#
   XJUI
   O
   αʔϏε͸ਏ͍
   ‣ ͢Ͱʹ࢖͑ΔϦιʔε
   "1*
   ͕͋Δ

7. ෼཭ͷϙΠϯτ DB

8. ෼཭ͷϙΠϯτ DB API αʔϏε

9. ෼཭ͷϙΠϯτ w݁ՌɺϏδωεϩδοΫ͸΄΅࠶࣮૷ʹ

10. ෼཭ͷن໛ײ wΤϯυϙΠϯτͷ਺͸ݸ΄Ͳ
    w෼཭ݩίʔυ͸໿ສߦ΄Ͳ

11. ੾Γସ͑ઓུΛߟ͑Δ

12. ཁ݅ wҰؾʹ੾Γସ͑ͳ͍ʂʂʂʂʂ
    ‣ ࣄނͬͨ৔߹ɺ֬ೝ͠ͳ͍ͱ͍͚ͳ͍ίʔ υͷ෼ྔ͕ଟ͍
    ‣ ͦ΋ͦ΋ࣄނΔ֬཰͕ߴ͍͔Β΍Ί͓͍ͯ ͨ΄͏͕͍͍

13. ͭ·ΓɺͲͬͪʹྲྀ͔͢
    Ͱ͖Δ͚ͩࡉ੍͔͘ޚ͍ͨ͠

14. چαʔϏε ཁ݅ ৽αʔϏε GET /recipes

15. چαʔϏε ཁ݅ ৽αʔϏε ͦΕҎ֎ GET /recipes

16. ख๏
    MPDBUJPO
    ͰؤுΔ location /recipes { proxy_pass new_service; } location / {

    proxy_pass old_service; }

17. چαʔϏε ৽αʔϏε ͦΕҎ֎ GET /recipes ख๏
    MPDBUJPO
    ͰؤுΔ

18. ख๏
    MPDBUJPO
    ͰؤுΔ  ࣮૷Λ༻ҙ͢Δ
     ৽αʔϏεΛσϓϩΠ
     /(*/9
    ͷઃఆΛߋ৽ͯ͠Ϧϩʔυ

19. ख๏
    MPDBUJPO
    Ͱ͸ؤுΕͳ͍ wσϓϩΠຖʹ
    /(*/9
    ͷઃఆΛॻ͖௚͠ ͍ͨʁ
    wύε͸ಉ͚ͩ͡Ͳॲཧ͸ҧ͏৔߹͸ʁ
    ‣ (&5
    SFDJQFT
    WT
    1045
    SFDJQFT

20. ਅͷཁ݅ w੾Γସ͑खॱΛ؆୯ʹ͍ͨ͠
    w
    ΤϯυϙΠϯτ ΞΫγϣϯ ୯ҐͰ੾ Γସ͍͑ͨ

21. ৽αʔϏεʹ੾Γସ͑ͷ ܾఆݖΛҠৡ͢Δ

22. w৽αʔϏε͸
    ‣ ॲཧՄೳͳΒॲཧͯ͠ฦ͢
    ‣ ແཧͳΒແཧͱฦ͢ ख๏
    ੾Γସ͑ͷܾఆݖΛҠৡ͢Δ

23. ख๏
    ੾Γସ͑ͷܾఆݖΛҠৡ͢Δ چαʔϏε ৽αʔϏε

24. ख๏
    ੾Γସ͑ͷܾఆݖΛҠৡ͢Δ چαʔϏε ৽αʔϏε GET /recipes 200 OK 200 OK

25. ख๏
    ੾Γସ͑ͷܾఆݖΛҠৡ͢Δ چαʔϏε ৽αʔϏε GET /recipes Ҏ֎ ະ࣮૷ͩΑʂʂ

26. ख๏
    ੾Γସ͑ͷܾఆݖΛҠৡ͢Δ چαʔϏε ৽αʔϏε GET /recipes Ҏ֎ 200 OK 200 OK

    ະ࣮૷ͩΑʂʂ

27. w৽αʔϏεଆΛσϓϩΠ͢Δ͚ͩͰ͢΂ ͕ͯ׬݁͢Δ ख๏
    ੾Γସ͑ͷܾఆݖΛҠৡ͢Δ

28. ख๏
    ࣮૷ྫ upstream backend { server new_service max_fails=0; server old_service backup;

    } server { location / { proxy_next_upstream http_503 non_idempotent; proxy_pass backend; } } ৄ͍͠આ໌͸͜͜ͰݟΕ·͢ https://techlife.cookpad.com/entry/2019/03/05/115000

29. ऴΘΓ wͪΐͬͱؤுΕ͹ࡉ͔͍୯ҐͰɺ҆શʹ ָͯ͠੾Γସ͕͑Ͱ͖Δ