20130727 Packerの紹介 (Python Developers Festa 2013.07)

introducing packer, mentioning installation, usage and extension.

Transcript

1. ࢁޱ
   ೳ᫫ id : ymotongpoo 1 1BDLFSͷ঺հ
   
   
   1ZUIPO
   %FWFMPQFST
   'FTUB
   
   
2. ͓લɺ୭Αʁ
   •  ࢁޱೳ᫫ʢ΍·͙ͪΑ͠;Έʣ
   •  :PV5VCF
   5FDIOJDBM
   "DDPVOU
   .BOBHFS
   (PPHMF
   *OD
   •  JE
   ZNPUPOHQPP
   –  ͱΜ΀ʔͱݺ͹Ε͍ͯ·͢
   •  :"."(6$)*XFCMPH
   –  ZNPUPOHQPPIBUFOBCMPHDPN
   2
3. ͓લɺ୭Αʁ
   •  (P͕޷͖Ͱ͢
   •  (P
   $POGFSFODFͱ͍͏ΠϕϯτΛ͠·ͨ͠
   •  Թઘʹߦ͘ʮ(PཏԹઘʯͱ͍͏ԹઘاըΛ͠· ͨ͠
   •  ઌ೔͸౎ిߥ઒ઢΛି͠੾ͬͨʮిंͰ(Pʯ ͱ͍͏ΠϕϯτΛ͠·ͨ͠
   3
4. ͓લɺ୭Αʁ
   4
5. ཱྀͷࢥ͍ग़
   5
6. "HFOEB
   •  1BDLFSͬͯφχʁ
   •  1BDLFSΛ࢖ͬͯΈΔ
   •  1BDLFSΛ֦ுͯ͠ΈΔ
   
   6
7. 7
   ͬͯφχʁ
   
8. 1BDLFSͬͯφχʁ
   •  7BHSBOUͷ࡞ऀ
   .JUDIFMM
   )BTIJNPUP࡞
   •  (P੡
   •  ʹWFSTJPO
   ެ։
   –  ൃද࣌࠷৽൛͸
   
   •  ެࣜαΠτ
   –  http://www.packer.io  
   8
10. 10 Packer is a tool for creating identical machine images for multiple platforms from a single source configuration. Platform A Platform B Platform C Machine Image A Machine Image B Machine Image C
11. 11 ͦΕͬͯ
    7BHSBOUͱ͔
    'BCSJDͱ͔ͱ
    φχ͕ҧ͏ͷʁ
    
12. ֤ϓϩϏδϣχϯάπʔϧͱͷҧ͍
    12 OS distribution pkg pkg 7BHSBOU΍'BCSJD͸جຊతͳ04Πϝʔδͷ্ʹ ઃఆΛߦ͏
    •  パッケージのインストール •  設定ファイルのコピー •  スクリプトの実行 etc… file script Machine Image
13. ֤ϓϩϏδϣχϯάπʔϧͱͷҧ͍
    13 1BDLFS͸ͦ΋ͦ΋ͷϚγϯΠϝʔδΛ࡞੒
    Packer config Packer OS distribution Machine Image A OS distribution Machine Image B
14. 7FFXFFͱ͸φχ͕ҧ͏ͷʁ
    •  7FFXFFͱ΍ͬͯΔ͜ͱ͸͍ۙ
    –  7FFXFF͸7JSUVBM#PY
    7.XBSF
    'VTJPO
    ,7.
    1BSBMMFMTΛ࡞ΕΔ
    –  ֦ͨͩ͠ுػߏ͸ͳ͍
    –  ϓϩϏδϣχϯά͸7BHSBOUݶఆ
    14
15. ݱঢ়ରԠϓϥοτϑΥʔϜ
    15
16. 16 1BDLFSΛ࢖ͬͯΈΔ
    
17. Πϯετʔϧ
    17 $  wget  http://path/to/packer.binary.zip   $  unzip  packer.binary.zip    
18. 18 Ҏ্
    
19. Πϯετʔϧ
    (P੡ͳͷͰ֤؀ڥ༻ͷόΠφϦΛ࢖͑͹ྑ͍
    19 http://www.packer.io/downloads.html
20. ઃఆϑΝΠϧ
    •  ઃఆϑΝΠϧ͸+40/ܗࣜͰهड़
    •  (PͷUFYUUFNQMBUFʹ४ڌͯ͠ɺม਺ΛຒΊࠐ Ή͜ͱ΋Մೳ
    •  ཁૉ͸ͭ
    –  CVJMEFST
    
    Ծ૝ϚγϯΛ࡞੒͢ΔΠϯϑϥͷࢦఆ
    –  QSPWJTJPOFST
    
    Ϗϧυ׬ྃޙͷ؆୯ͳϓϩϏδϣχϯ ά
    –  QPTUQSPDFTTPST
    
    ϓϩϏδϣχϯά׬ྃޙͷॲཧ
    
    
    20
21. ઃఆϑΝΠϧ
    {      "builders":  [{          "type":  "amazon-­‐ebs",          "access_key":  "YOUR  KEY  HERE",          "secret_key":  "YOUR  SECRET  KEY  HERE",          "region":  "us-­‐east-­‐1",          "source_ami":  "ami-­‐de0d9eb7",          "instance_type":  "t1.micro",          "ssh_username":  "ubuntu",          "ami_name":  "packer-­‐example  {{.CreateTime}}"      }],      “provisoners”:  [          “type”:  “shell”,          “scripts”:  [              “initial-­‐install.sh”          ]      ],      “post-­‐prosessors”:  [{          “type”:  “compress”,          “format”:  “tar.gz”      }]   }   21
22. ࣮ߦ͢Δ
    22 $  packer  validate   $  packer  build  config.json    
23. ςοςϨʔ
    23
24. 24 1BDLFSΛ֦ுͯ͠ΈΔ
    
25. 1BDLFS
    1MVHJOT
    •  packerίϚϯυ͸ඪ४Ͱ΋ϓϥάΠϯΛୟ͍ͯ ͍Δ  
    25 $  ls   packer   packer-­‐builder-­‐amazon-­‐ebs   packer-­‐builder-­‐digitalocean   packer-­‐builder-­‐virtualbox   packer-­‐builder-­‐vmware   packer-­‐command-­‐build   packer-­‐command-­‐fix   packer-­‐command-­‐validate   packer-­‐post-­‐processor-­‐vagrant   packer-­‐provisioner-­‐file   packer-­‐provisioner-­‐shell   શ෦ϓϥάΠϯ
    
26. 1BDLFS
    1MVHJOT
    •  ϓϥάΠϯͷ࡞੒͸(PͰͷΈ࡞੒Մೳ
    –  ֤ͨͩ͠ϓϥάΠϯ͸ಠཱͨ͠ίϚϯυͱͯ͠࡞੒
    –  ໋໊نଇ͸
    packer-­‐TYPE-­‐NAME     ྫ
    QBDLFSCVJMEFSBNB[POFCT
    QBDLFSDPNNBOEWBMJEBUF
    
    26
27. 1BDLFS
    1MVHJOT
    •  ֦ுΛ௥Ճͨ͠Β
    $HOME/.packerconfig  ʹ௥ Ճͷ֦ுΛॻ͍͓ͯ͘   –  ઈରύε  or  ૬ରύε  or  PATH͕௨͍ͬͯΔͱ͜Ζ   –  ඪ४ίϚϯυ΋ಉܗࣜͰϋʔυίʔυ͞Ε͍ͯΔ   27 {      "builders":  {          "custom-­‐cloud":  "packer-­‐builer-­‐custom-­‐cloud"      },      "commands":  {          "spam":  "packer-­‐command-­‐spam",    "egg":  "packer-­‐command-­‐egg"      }   }  
28. 1BDLFSશମͷίʔυߏ੒
    28 packerίϚϯυ
    buildersͰݺ͹ΕΔඪ४֦ு܈
    post-­‐processorsͰݺ͹ΕΔඪ४֦ு܈
    provinoersͰݺ͹ΕΔඪ४֦ு܈
    packerͰݺ͹ΕΔඪ४֦ு܈
    ͍͚ͭͩ͜ݟΕ͹ྑ͍
    ඪ४֦ு܈ͷNBJOHP
    
29. 1BDLFSશମͷίʔυߏ੒
    •  ύοέʔδͩͱҎԼͷͭ
    •  QBDLFSQBDLFS
    –  1BDLFSͷίΞɾ֦ு։ൃͷͨΊͷύοέʔδ
    •  QBDLFSQBDLFSQMVHJO
    –  ϓϥάΠϯ֦ுͷJOUFSGBDFͷఆٛͷΈ
    29 github.com/mitchellh/packer/packer     github.com/mitchellh/packer/packer/plugin  
30. #VJMEFSͷ֦ு
    30 Packer Plugins type  Builder  interface  {          Prepare(...interface{})  error          Run(ui  Ui,  hook  Hook,  cache  Cache)  (Artifact,  error)          Cancel()   }   •  1SFQBSF
    
    ઃఆϑΝΠϧͷಡΈࠐΈͱલॲཧ
    –  ͍͍ͨͯ͸
    map[string]interface{}  Ͱ౉͞ΕΔ     •  3VO
    
    ϚγϯΠϝʔδͷ࡞੒Λߦ͏
    –  Artifact  JOUFSGBDFΛ࣮૷ͨ͠
    TUSVDUʹϚγϯΠϝʔδʢͷϝλσʔλʣ
    
    •  $BODFM
    
    $USMD
    ͳͲ͕ԡ͞Εͨ࣌ͷޙॲཧ
    
31. $PNNBOEͷ֦ு
    31 Packer Plugins type  Command  interface  {          Help()  string          Run(env  Environment,  args  []string)  int          Synopsis()  string   }   •  )FMQ
    
    packer  COMMAND  -­‐-­‐helpͰग़ྗ͞ΕΔϝοηʔδ
    •  3VO
    
    
    ࣮ࡍͷίϚϯυͷ࣮ߦ
    –  ىಈதͷ1BDLFSͷ΄΅͢΂ͯͷ৘ใΛͱΕΔ
    •  CVJMEFS
    6*
    $BDIF
    QPTUQSPDFTTPS
    QSPWJTJPOFS
    •  4ZOPQTJT
    
    packer  -­‐-­‐helpͰग़ྗ͞ΕΔ୹͍ϝοηʔδ   –  50จࣈఔ౓  
32. ͦͷଞͷ֦ு
    •  QPTUQSPDFTTPS
    •  QSPWJTJPOFS
    –  QSPWJTPOFSͷϑοΫ͸CVJMEFSଆͷ֦ுͰ࣮૷͢Δඞ ཁ͕͋Δ
    32 Packer Plugins ࠓճ͸ॏཁ͡Όͳ͍ͷͰলུ
    
33. 33 ·ͱΊ
    
34. 34 Packer is a tool for creating identical machine images for multiple platforms from a single source configuration. Platform A Platform B Platform C Machine Image A Machine Image B Machine Image C
35. ·ͱΊ
    •  ϓϩϏδϣχϯάΛޠΔલʹɺϚγϯΠϝʔδ ͷ͜ͱΛߟ͑Α͏
    •  ֦ு΋࡞ΕΔͷͰɺࣾ಺؀ڥ༻ʹ΋֦ு͕࡞Ε ͯΑ͍
    •  (P͸ྑ͍
    –  ඪ४ͷ+40/ύʔαΦϓγϣϯύʔαɺόΠφϦ഑ ෍
    35