kubernetes-seminar

Transcript

1. Kubernetes جૅษڧձ
   TIBOQV
   

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2. ͶΒ͍
   2
   ˓ ,VCFSOFUFTͷجૅΛֶͼࠓޙͷษڧʹ໾ཱͯͯ΋Β͏
   ˓ ,VCFSOFUFTͷ͜ͱΛ޷͖ʹͳͬͯ΋Β͏
   

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3. Agenda
   3
   ,VCFSFOFUFTͱ͸
   LVCFDUMɾLVCFOTɾLVCFDUY
   8PSLMPBETϦιʔε
   ೝূͱΞʔΩςΫνϟ
   %JTDPWFSZ-#Ϧιʔε
   $POpH4USBHFϦιʔε
   0UIFST
   ͍͞͝ʹ
   

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4. Link
   4
   ˓ ϋϯζΦϯࢿྉ
   ˔ IUUQTHJUIVCDPNDIF[TIBOQVLTTFNJOBS
   ˓ ࿅श໰୊
   ˔ IUUQTHJUIVCDPNEHLBOBUTJPT$,"%FYFSDJTFT
   

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5. 1. Kubernetesͱ͸
   5
   

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6. ಡΈํ
   6
   ,VCFSOFUFT
   LT
   SEL@KIT
   

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7. History
   7
   

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8. Kubernetes͸ԿΛߦ͏ʁ
   8
   ˓ ίϯςφͷ؅ཧΛ͍͍ײ͡ʹߦ͏
   

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9. Kubernetesͷಛ௃
   9
   ˓ ϚχϑΣετϑΝΠϧ
   ˓ εέʔϦϯά
   ˓ εέδϡʔϦϯά
   ˓ Ϧιʔε؅ཧ
   ˓ ηϧϑώʔϦϯά
   ˓ σʔλͷ؅ཧ
   SEL@KIT
   

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10. 2. kubectlɾkubensɾkubectx
    10
    

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11. KubeCLIπʔϧࡾॐ࢜
    11
    ˓ LVCFDUM
    ˔ ,VCFSOFUFTʹର͢Δ͋ΔΏΔૢ࡞Λߦͬͯ͘ΕΔίϚϯυ
    ˔ ࣮ࡍʹ͸,VCFSOFUFTͷ3&45"1*TFSWFSʹରͯ͠ϦΫΤετ
    Λૹ͍ͬͯΔ
    ˓ LVCFOT
    ˔ OBNFTQBDFͷ੾Γସ͑Λ؆୯ʹͯ͘͠ΕΔ
    ˓ LVCFDUY
    ˔ DPOUFYUͷ੾Γସ͑Λ؆୯ʹͯ͘͠ΕΔ
    

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12. kubectl جຊίϚϯυ
    12
    ˓ ALVCFDUMHFUϦιʔεA
    ˔ ࢦఆͨ͠ϦιʔεͷεςʔλεΛऔಘ
    ˔ ALVCFDUMHFUϦιʔε໊લPZBNMAͰͦͷϦιʔεͷϚ
    χϑΣετΛݟΔ͜ͱ΋Ͱ͖Δ
    ˓ ALVCFDUMEFTDSJCFϦιʔε໊લA
    ˔ ໊લͰࢦఆͨ͠ϦιʔεͷৄࡉΛදࣔ
    

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13. kubectl جຊίϚϯυ
    13
    ˓ ALVCFDUMBQQMZGϑΝΠϧͷύεA
    ˔ ϚχϑΣετϑΝΠϧΛΫϥελʹద༻͢Δ
    ˓ ALVCFDUMSVOΦϓγϣϯA
    ˔ ໋ྩతʹϦιʔεΛੜ੒͢Δ
    ˓ ALVCFDUMDSFBUFϦιʔε໊લA
    ˔ ࢦఆ໊ͨ͠લͰࢦఆͨ͠ϦιʔεΛ࡞੒
    ˔ ࡞੒Ͱ͖ΔϦιʔεͷछྨʹ͸ݶΓ͋Γ
    

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14. kubectl جຊίϚϯυ
    14
    ˓ ALVCFDUMEFMFUFϦιʔε໊લA
    ˔ ࢦఆͨ͠ϦιʔεΛ࡟আ
    ˔ GͰϚχϑΣετʹهࡌ͞Ε͍ͯΔϦιʔεΛ࡟আ
    ˓ ALVCFDUMFYQMBJOϦιʔε ϑΟʔϧυ໊
    A
    ˔ ֤ϦιʔεͷϚχϑΣετϑΝΠϧʹهࡌ͢ΔϑΟʔϧυͷ৘
    ใΛදࣔ
    

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15. kubensɾkubectx
    15
    ˓ LVCFOT
    ˔ ΫϥελͷOBNFTQBDFΛҰཡදࣔ
    ˔ ALVCFOTOBNFTQBDF໊AͰOBNFTQBDFͷ੾Γସ͑
    ˓ LVCFDUY
    ˔ ࣗ෼ͷॴ͍࣋ͯ͠ΔίϯςΩετΛҰཡදࣔ
    ˔ ALVCFDUYίϯςΩετ໊AͰίϯςΩετͷ੾Γସ͑
    

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16. 3. WorkloadsϦιʔε
    16
    

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17. ུ֓ਤ
    17
    

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18. Pod (po)
    18
    ˓ 8PSLMPETϦιʔεͷ࠷খ୯Ґ
    ˓ $POUBJOFS㱨1PE
    ˓ σβΠϯύλʔϯ
    ˔ αΠυΧʔύλʔϯ
    ˔ Ξϯόαμʔύλʔϯ
    ˔ Ξμϓλύλʔϯ
    

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19. ReplicaSet (rs)
    19
    ˓ SFQMJDBTͰҡ͍࣋ͨ͠1PEͷ
    ਺Λࢦఆ
    ˓ 3FQMJDB4FU୯ମͰ࢖͏͜ͱ
    ͸͋·Γͳ͍
    ˔ ޙड़ͷ%FQMPZNFOUΛ࢖͏
    

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20. Deployment (deploy)
    20
    ˓ 3FQMJDB4FUΛ؅ཧ
    ˔ ϩʔϦϯάΞοϓσʔτ
    ˔ ϩʔϧόοΫ
    ˓ BQQMZ͢Δͱద౰ͳ3FQMJDB4FU
    Λ࡞੒
    

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21. DeploymentͷϩʔϦϯάΞοϓσʔτ
    21
    

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22. DeploymentͷϩʔϦϯάΞοϓσʔτ
    22
    

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23. StatefulSet (sts)
    23
    ˓ σʔλΛӬଓԽ͢Δ࢓૊Έ
    Λඋ͑Δ
    ˓ 1PEͷ໊લʹΠϯσοΫε
    ͕αϑΟοΫεͱͯͭ͘͠
    

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24. DaemonSet (ds)
    24
    ˓ ֤ϊʔυʹඞͣҰͭ1PEΛ
    ഑ஔ͢Δ
    ˓ /PEF4FMFDUPS౳Λ࢖͑͹
    ഑ஔ͠ͳ͍͜ͱ΋Մೳ
    

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25. Job
    25
    ˓ ίϯςφΛར༻ͯ͠Ұ౓ݶΓ
    ͷॲཧΛ࣮ߦͤ͞Δ
    ˓ ࣮ߦํ๏΍׬ྃ৚݅ΛࢦఆͰ
    ͖Δ
    ˔ /ฒྻͰ࣮ߦͯ͠΄͍͠
    ˔ /ճ੒ޭͨ͠Βਖ਼ৗऴྃʹͯ͠
    ΄͍͠
    ˔ /ճࣦഊͨ͠Β΋͏͠ͳͯ͘
    ΋͍͍
    

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26. CronJob (cj)
    26
    ˓ +PCΛఆظ࣮ߦ
    ͯ͘͠ΕΔ
    

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27. 4. ೝূͱΞʔΩςΫνϟ
    27
    

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28. NamespaceͱRBAC
    28
    

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29. ClusterͱNode
    29
    

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30. MasterNodeͱNode
    30
    

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31. 5. Discovery & LB Ϧιʔε
    31
    

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32. ClusterIPɾExternalIP
    32
    ˓ $MVTUFS*1
    ˔ Ϋϥελ಺෦ͷ*1
    ˓ &YUFSOBM*1
    ˔ Ϋϥελ֎෦ͱ΋ૄ௨ੑͷ͋
    Δ*1
    

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33. NodePort
    33
    ˓ ͦΕͧΕͷ/PEFͷࢦఆ
    1PSU΁ͷτϥϑΟοΫΛɼ
    ͦΕʹඥ͚ͮͨ1PEͷ1PSU
    ΁సૹ
    ˓ $MVTUFS*1͸ࣗಈతʹൃߦ
    

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34. LoadBalancer
    34
    ˓ Ϋϥελ֎ʹ-#Λ࡞੒
    ˔ -#ʹ֎෦ૄ௨ੑͷ͋Δ*1Λ
    ෇༩
    

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35. Ingress
    35
    ˓ -ͷϩʔυόϥϯα
    ˓ *OHSFTT$POUSPMMFS͕
    ผ్ඞཁ
    

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36. 6. Config & Strage Ϧιʔε
    36
    

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37. Secret
    37
    ˓ ओʹػີ৘ใͷอ؅ʹ࢖͏
    ˓ ,FZ7BMVFͷܗͰهड़
    ˓ 7BMVF͸CBTFͰΤϯ
    ίʔυ
    

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38. ConfigMap (cm)
    38
    ˓ 4FDSFUͷػີ৘ใ͡Όͳ͍൛
    ˓ ϑΝΠϧͷத਎Λॻ͍ͯͦΕ
    ΛϚ΢ϯτͤ͞Δ࢖͍ํ΋Α
    ͘͢Δ
    

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39. PersistentVolume (pv)
    39
    ˓ ӬଓԽྖҬͱͯ֬͠อ
    ˓ ༧ΊετϨʔδΛ༻ҙ͓ͯ͘͠
    

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40. PersistentVolumeClaim (pvc)
    40
    ˓ 1FSTJTUFOU7PMVNF$MBJN
    ܦ༝Ͱ17Λ֬อ͢Δ
    ˓ 17$ͷཁٻʹ߹ͬͨ17͕
    ෷͍ग़͞ΕΔ
    

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41. 7. Others
    41
    

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42. NetworkPolicy
    42
    ˓ 1PEಉ࢜ͷ௨৴Λ੍ޚ
    ˔ ྫ
    ಉ͡/BNFTQBDF಺ͷ1PE
    ͔͠௨৴Ͱ͖ͳ͍Α͏ʹ͢Δ
    

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43. NodeSelectorɾNodeAffinity
    43
    ˓ 1PEͷεέδϡʔϦϯά
    ઌΛࢦఆ
    ˓ 1PETQFD಺ʹهड़
    ˓ /PEF"⒏OJUZͷํ͕ΑΓ
    ࡉ͔͍৚݅ઃఆ͕Մೳ
    

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44. TaintɾTolerations
    44
    ˓ 5BJOUʢԚΕʣ
    ˔ 1PEΛεέδϡʔϦϯά
    ͤ͞ͳ͍
    ˓ 5PMFSBUJPOTʢ׮༰ʣ
    ˔ 5BJOUͷ͍ͭͨ/PEFʹ΋
    εέδϡʔϦϯά͞ΕΔ
    

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45. Ϧιʔεͷ੍ݶ
    45
    ˓ ࢖༻͢ΔϚγϯϦιʔεͷ
    ্ݶͱԼݶΛઃఆͰ͖Δ
    

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46. 8. ͍͞͝ʹ
    46
    

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47. ঺հͰ͖ͳ͔ͬͨ͜ͱ
    47
    ˓ )PSJ[POUBM1PE"VUPTDBMFS
    ˓ 7FSUJDBM1PE"VUPTDBMFS
    ˓ %SBJOɼ$PSEPOɼ6ODPSEPO
    ˓ 1PE%JTSVQUJPO#VEHFU
    ˓ $VTUPN3FTPVSDF%FpOJUJPO
    ˓ $MVTUFS3PMFɼ$MVTUFS3PMF#JOEJOH
    ˓ 4FSWJDF"DDPVOU
    FUD
    

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48. ࢀߟਤॻ
    48
    ˓ ,VFCFSOFUFT׬શΨΠυ
    ˔ ,VCFSOFUFTͷجຊཁૉΛ໢ཏ
    ͍ͯ͠Δ
    ˔ αϯϓϧίʔυɼਤ΋ଟ͘Θ͔
    Γ΍͍͢
    ˓ ଞʹ΋,VCFSOFUFTຊ͸͋Δ
    ˔ ΋͠ങͬͨਓ͕͍ͨΒײ૝ڭ͑
    ͍ͯͩ͘͞
    

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49. Πϕϯτ& Slack
    49
    ˓ Πϕϯτ
    ˔ DPOOQBTTͰௐ΂ΔͱΘΓͱώοτ͢Δ
    ˔ ,VCFSOFUFT.FFUVQ5PLZPͳͲϏσΦ഑৴͍ͯ͠ΔΠϕϯτ΋͋Δ
    ˓ 4MBDL
    ˔ ,VCFSOFUFTϢʔβͷͨΊͷϫʔΫεϖʔε͕͋Δ
    ˔ ೔ຊਓͷͨΊͷνϟϯωϧ΋͋Δ
    ˔ ௐ΂ͯ΋Θ͔Βͳ͍͜ͱ͸͜͜ʹ౤͛ͯΈΔͷ΋Α͍
    

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50. 50
    ͓ർΕ༷Ͱͨ͠
    

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