Docker >>= Docker

LT駆動開発19のスライドです。
https://github.com/LTDD/Sessions/wiki/LT駆動開発19

Docker >>= Docker(どっかーばいんどどっかー)

Transcript

1. Docker >>= Docker 2015-10-03 LTۦಈ։ൃ19
2. ͻΉΒ ͱ΋ͻ͜ ͱ͖Ͳ͖ݱ࣮(Scala)͔Βಀආͯ͠Go͍ͯ͠Δ
3. 9݄πΠʔτ https://twitter.com/eielh/status/642267410024656896
4. 9݄πΠʔτ https://twitter.com/eielh/status/642267410024656896 ਖ਼௚ʹݴ͏ͱ(Pͷ΄͏͕ͭΒ͍ʜ
5. Dockerの中で Dockerを起動したい
6. Dockerコンテナの中で 兄弟コンテナを立ち上げて 結果を使いたい
7. $ docker run docker docker run docker ls
8. $ docker run docker ʮdocker run docker lsʯ EPDLFS
   ͷதͰ
   EPDLFS
   SVO
   ͍ͨ͠
9. $ docker run docker ls ͦͷલʹ
   EPDLFS
   SVO
10. $ docker run docker ίϚϯυ
11. $ docker run docker ls bin dev etc home lib linuxrc media mnt proc root run sbin sys tmp usr var ࣮ࡍͷಈ͖
12. $ docker run docker docker run docker ls Post http:///var/run/docker.sock/v1.20/containers/create: dial unix /var/run/docker.sock: no such file or directory. * Are you trying to connect to a TLS-enabled daemon without TLS? * Is your docker daemon up and running? EPDLFSͷதͰEPDLFSʜ WBSSVOEPDLFSTPDL
    ͕ͳ͍ͬͯ͞
13. $ docker run \ -v /var/run/docker.sock:/var/run/docker.sock docker \ docker run docker ls W
    Ͱ%PDLFSϗετͱEPDLFSTPDLΛڞ༗
14. $ docker run \ -v /var/run/docker.sock:/var/run/docker.sock docker \ docker run docker ls bin dev etc home lib linuxrc media mnt proc root run sbin sys tmp usr var
15. $ docker run \ -v /var/run/docker.sock:/var/run/docker.sock docker \ docker run docker ls bin dev etc home lib linuxrc media mnt proc root run sbin sys tmp usr var EPDLFSͷதͰEPDLFS͕ಈ͍ͨ
16. ϩʔΧϧϚγϯ %PDLFS)PTU
17. ϩʔΧϧϚγϯ EPDLFSίϚϯυ %PDLFS)PTU
18. ϩʔΧϧϚγϯ EPDLFSίϚϯυ )551 %PDLFS)PTU
19. ϩʔΧϧϚγϯ EPDLFSίϚϯυ )551 %PDLFS)PTU ίϯςφੜ੒
20. ϩʔΧϧϚγϯ %PDLFS)PTU
21. ϩʔΧϧϚγϯ EPDLFSίϚϯυ )551 %PDLFS)PTU
22. ϩʔΧϧϚγϯ EPDLFSίϚϯυ )551 %PDLFS)PTU ίϯςφੜ੒
23. ϩʔΧϧϚγϯ %PDLFS)PTU
24. ϩʔΧϧϚγϯ %PDLFS)PTU EPDLFSίϚϯυ
25. ϩʔΧϧϚγϯ %PDLFS)PTU EPDLFSίϚϯυ ίϯςφੜ੒
26. $ docker run \ -v /var/run/docker.sock:/var/run/docker.sock docker \ /bin/sh -c "docker run docker ls | grep bin" bin sbin
27. docker run \ -v /var/run/docker.sock:/var/run/docker.sock docker \ /bin/sh -c \ ”docker run docker ls | docker run -i docker grep bin" bin sbin
28. ϩʔΧϧϚγϯ %PDLFS)PTU MT
     HSFQ
    
29. Կ͕خ͍͠ͷ?
30. ひとつの docker イメージが ひとつのことに集中できる
31. Application A ͕͏͘͝Πϝʔδ Appliacion B ͕͏͘͝Πϝʔδ
32. Application A ͕͏͘͝Πϝʔδ Appliacion B ͕͏͘͝Πϝʔδ "ͷ݁ՌΛ#Ͱ࢖͑Δ
33. Cronを動かすコンテナにアプリケーション不要 0 0 * * * docker run hoge 0 1 * * * docker run goro
34. Cronを動かすコンテナにアプリケーション不要 0 0 * * * docker run hoge 0 1 * * * docker run goro IPHF
    ͱ
    HPSP
    ͕
    ϨδετϦʹ͋Ε͹0,
35. DBͷμϯϓΛS3ʹอଘͨ͠Γ dumpͰ͖Δίϯςφ aws cli ͷͰ͖Δίϯςφ **ඪ४ೖग़ྗͰܨ͛Δ**
36. ·ͱΊ
37. ·ͱΊ • dockerίϯςφͷத͔ΒܑఋͷίϯςφΛͭ͘ΕΔ • dockerϗετ΁͸remote APIͰ੍ޚͰ͖Δ • ઀ଓͰ͖Ε͹Ͳ͏ʹͰ΋ͳΔ • dockerϗετ͸dockerΛϗετ͑͢͠͞Ε͹Α͍ • Ϋϥ΢υαʔϏεʹ͓͍ͱ͚͹ϩʔΧϧ͕͖ͬ͢Γ