Kubernetes の API Client における
キャッシュ設計 / Cache Design in Kubernetes API Client

Kubernetes の API Client における
キャッシュ設計 / Cache Design in Kubernetes API Client

Go Conference 2019 Spring

93fd1aae13b44f9b0748bb3e60898da7?s=128

Takayuki Kasai

May 18, 2019
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  1. 1.

    ©2019 Wantedly, Inc. Kubernetes ͷ API Client ʹ͓͚Δ
 Ωϟογϡઃܭ Go

    Conference 2019 Spring Takayuki Kasai (@unblee) Wantedly, Inc. 2019.5.18 -
  2. 7.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF
  3. 8.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF $POUSPMMFS $POUSPMMFS 3FTPVSDFͷঢ়ଶΛ࣮؀ڥ্ʹ൓өͤ͞Δ 3FTPVSDFૢ࡞ର৅Λந৅Խͨ֓͠೦ ίϯςφɺϩʔυόϥϯαɺFUD
  4. 9.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF "1*4FSWFS 3FTPVSDFΛૢ࡞͢ΔͨΊͷ"1*&OEQPJOUΛఏڙ͢Δ 3FTPVSDFͷมߋΠϕϯτΛ௨஌͢ΔͨΊͷ8BUDI"1*΋ఏڙ͍ͯ͠Δ
  5. 10.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF 4UBUF4UPSF 3FTPVSDFͷঢ়ଶ΍ઃఆɺൿಗ৘ใͱ͍ͬͨ ,VCFSOFUFTΛߏ੒͢ΔͨΊͷσʔλ͕อଘ͞Ε͍ͯΔ
  6. 11.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF 4UBUF4UPSF ίϯςφΛૢ࡞͢Δྫ "1*4FSWFS $POUSPMMFS $POUBJOFS 3FTPVSDF $POUBJOFS 0CKFDU ,VCFSOFUFTʹ͓͚Δঢ়ଶ͸
 $POUBJOFS3FTPVSDFͷ0CKFDUͱͯ͠อଘ͞Ε͍ͯΔ $POUSPMMFS ˞$POUBJOFS3FTPVSDF͸આ໌Λ؆୯ʹ͢ΔͨΊʹઃఆͨ͠Ծͷ3FTPVSDF ɹ࣮ࡍʹ͸1PE3FTPVSDF
  7. 12.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF 4UBUF4UPSF ίϯςφΛૢ࡞͢Δྫ "1*4FSWFS $POUSPMMFS $POUBJOFS 3FTPVSDF $POUBJOFS 0CKFDU 8BUDI"1*Λར༻ͯ͠
 $POUBJOFS3FTPVSDFΛ؂ࢹ͍ͯ͠Δ Πϕϯτʢ࡞੒ɾߋ৽ɾ࡟আʣΛݕ஌ͨ͠Β
 ର৅ͷ$POUBJOFS0CKFDUͷঢ়ଶ·Ͱ
 ࣮ࡍͷίϯςφΛૢ࡞͢Δ $POUSPMMFS $POUBJOFS
  8. 13.

    ©2019 Wantedly, Inc. /PEF $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS /PEF

    $POUBJOFS $POUSPMMFS $POUBJOFS $POUBJOFS $POUBJOFS ,VCFSOFUFTͷΞʔΩςΫνϟ .BTUFS "1*4FSWFS 4UBUF4UPSF w ͢΂ͯͷૢ࡞͸"1*ϦΫΤετͰߦ͏ w ֤$POUSPMMFS͸ಛఆͷ3FTPVSDFΛ؂ࢹ͍ͯ͠Δ w 3FTPVSDFͱ$POUSPMMFS͸/ͷؔ܎ w ͭͷ3FTPVSDF0CKFDUΛૢ࡞͢Δ͚ͩͰෳ਺ͷ$POUSPMMFS͕ಈ࡞͢Δ w "1*ϦΫΤετ͕େྔʹൃߦ͞ΕΔ
  9. 14.

    ©2019 Wantedly, Inc. େྔͷ"1*ϦΫΤετʹΑΔ໰୊ ύϑΥʔϚϯεվળͷͨΊʹ࣮૷͞Εͨ΋ͷ w 3FGIUUQTLVCFSOFUFTJPCMPHLVCFSOFUFTQFSGPSNBODF NFBTVSFNFOUTBOE w "1*4FSWFSʹ8BUDI"1*ͱΩϟογϡػೳΛ࣮૷ͨ͠

    w 8BUDI"1*ϕʔεͰಈ࡞͢ΔΑ͏ʹ$POUSPMMFSΛॻ͖׵͑ͨ w ෛՙʹΑͬͯ"1*&OEQPJOUͷϨεϙϯελΠϜ͕௕͘ͳΔ w ͢΂͕ͯ"1*ʹΑ੍ͬͯޚ͞Ε͍ͯΔͷͰɺશମతͳಈ࡞͕ॏ͘ͳΔ
  10. 15.

    ©2019 Wantedly, Inc. $POUSPMMFSʹ͓͚ΔΩϟογϡઃܭͷ֓ཁ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ ,VCFSOFUFT"1*$MJFOU1BDLBHFҎԼʹΩϟογϡػߏ͕ఏڙ͞Ε͍ͯΔ IUUQTHPEPDPSHLTJPDMJFOUHPUPPMTDBDIF w $POUSPMMFSͰར༻͞Ε͍ͯΔ w 8BUDI"1*ΛલఏʹΩϟογϡػߏΛߏங͍ͯ͠Δ w ىಈ࣌ʹ͢΂ͯͷΦϒδΣΫτΛΩϟογϡͯ͠
 $POUSPMMFS͸Ωϟογϡ͔ΒΦϒδΣΫτΛऔಘͰ͖Δ
  11. 16.

    ©2019 Wantedly, Inc. $POUSPMMFSʹ͓͚ΔΩϟογϡઃܭͷ֓ཁ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ
  12. 17.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ w 8BUDIର৅3FTPVSDF͸ͭ w %FQMPZNFOU w 3FQMJDB4FU w 1PE  ϩʔϦϯάΞοϓσʔτɺϩʔϧόοΫ౳σϓϩΠ؅ཧ  1PE͕ৗʹࢦఆͨ͠਺ಈ͘Α͏ʹϨϓϦέʔγϣϯΛ؅ཧ͢Δ  ෳ਺ͷίϯςφΛ·ͱΊͨσϓϩΠͷ࠷খ୯Ґ EFQMPZNFOUDPOUSPMMFSΛྫͱͯ͠ΩϟογϡػߏͷڍಈΛ೺Ѳ͢Δ %FQMPZNFOU 3FQMJDB4FU 1PE 1PE %FQMPZNFOU3FQMJDB4FU1PE ͱ͍͏ॱ൪ͰԼҐ3FTPVSDFΛ؅ཧ͍ͯ͠Δ
  13. 18.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU

    (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ (FUBMMUBSHFUSFTPVSDFPCKFDUT $POUSPMMFSͷىಈ࣌
  14. 19.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ "1*4FSWFS (FUBMMUBSHFUSFTPVSDFPCKFDUT $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶃ EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ ᶄ $BDIFBMMPCKFDUT ىಈ௚ޙɺ3FTPVSDFͷ؂ࢹΛ࣮ߦ͢Δલʹ ͢΂ͯͷ؂ࢹର৅3FTPVSDFͷΦϒδΣΫτΛΩϟογϡ͢Δ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE
  15. 20.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ "1*4FSWFS (FUBMMUBSHFUSFTPVSDFPCKFDUT $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶃ EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ ᶄ $BDIFBMMPCKFDUT %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE type Deployment struct { metav1.TypeMeta metav1.ObjectMeta Spec DeploymentSpec Status DeploymentStatus } IUUQTHPEPDPSHLTJPBQJBQQTW%FQMPZNFOU
  16. 21.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ "1*4FSWFS (FUBMMUBSHFUSFTPVSDFPCKFDUT $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶃ EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ ᶄ $BDIFBMMPCKFDUT %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE type Lister interface { List(options metav1.ListOptions) (runtime.Object, error) } type Watcher interface { Watch(options metav1.ListOptions) (watch.Interface, error) } type ListerWatcher interface { Lister Watcher } IUUQTHPEPDPSHLTJPDMJFOUHPUPPMTDBDIF-JTUFS8BUDIFS IUUQTHPEPDPSHLTJPDMJFOUHPUPPMTDBDIF-JTUFS IUUQTHPEPDPSHLTJPDMJFOUHPUPPMTDBDIF8BUDIFS
  17. 22.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS -JTU 8BUDI FWFOUT 1PQBPCKFDUGSPNRVFVF

    "EEUIFPCKFDU /PUJGZFWFOU $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ return cache.NewSharedIndexInformer( &cache.ListWatch{ ListFunc: func(options metav1.ListOptions) (runtime.Object, error) { if tweakListOptions != nil { tweakListOptions(&options) } return client.AppsV1().Deployments(namespace).List(options) }, WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) { if tweakListOptions != nil { tweakListOptions(&options) } return client.AppsV1().Deployments(namespace).Watch(options) }, }, &appsv1.Deployment{}, resyncPeriod, indexers, ) IUUQTHJUIVCDPNLVCFSOFUFTDMJFOUHPCMPCCEGCFDCCF⒎EDDBJOGPSNFSTBQQTWEFQMPZNFOUHP--
  18. 23.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ શମͷΩϟογϡ׬ྃޙ
  19. 24.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS 8BUDIUBSHFUSFTPVSDFFWFOUT 3FqFDUPS 2VFVF ᶃ 3FTPVSDFͷ؂ࢹΛ։࢝͢Δ 3FTPVSDFʹର͢ΔΠϕϯτʢ"EE 6QEBUF %FMFUFʣ͕ൃੜ͢Δͱ
 ΠϕϯτͱΦϒδΣΫτΛऔಘͯ͠2VFVFʹ٧ΊࠐΉ %FQMPZNFOU %FQMPZNFOU 3FQMJDB4FU 1PE
  20. 25.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ 3FqFDUPS 2VFVF *OGPSNFS͕3FqFDUPS͕ड͚औͬͨΦϒδΣΫτΛΩϟογϡʹ௥Ճ͢Δ *OGPSNFS 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ ᶄ ᶅ %FQMPZNFOU 3FQMJDB4FU 1PE
  21. 26.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ %FQMPZNFOU 3FQMJDB4FU 1PE type ThreadSafeStore interface type threadSafeMap struct { items map[string]interface{} } IUUQTHPEPDPSHLTJPDMJFOUHPUPPMTDBDIF5ISFBE4BGF4UPSF
  22. 27.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ )BOEMFS͕ΠϕϯτͱΦϒδΣΫτͷঢ়ଶʹԠͯ͡ૢ࡞Λߦ͏ *OGPSNFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ %FQMPZNFOU 3FQMJDB4FU 1PE /PUJGZFWFOU (FUUIFPCKFDUGSPNDBDIFTUPSF )BOEMFS ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE
  23. 28.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ )BOEMFS %FQMPZNFOU 3FQMJDB4FU 1PE type ResourceEventHandler interface { OnAdd(obj interface{}) OnUpdate(oldObj, newObj interface{}) OnDelete(obj interface{}) } IUUQTHPEPDPSHLTJPDMJFOUHPUPPMTDBDIF3FTPVSDF&WFOU)BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ %FQMPZNFOU 3FQMJDB4FU 1PE (FUUIFPCKFDUGSPNDBDIFTUPSF ᶇ
  24. 29.

    ©2019 Wantedly, Inc. EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ "1*4FSWFS *OGPSNFS 8BUDIUBSHFUSFTPVSDFFWFOUT 1PQBPCKFDUGSPNRVFVF "EEUIFPCKFDU /PUJGZFWFOU

    $IBOHFUIFTUBUFPGUIFPCKFDU (FUUIFPCKFDUGSPNDBDIFTUPSF DMJFOUHP 6TFS )BOEMFS $BDIF4UPSF 0CKFDU 0CKFDU 0CKFDU/ 3FqFDUPS 2VFVF ᶈ ᶃ ᶄ ᶅ ᶆ ᶇ %FQMPZNFOU 3FQMJDB4FU 1PE %FQMPZNFOU 3FQMJDB4FU 1PE EFQMPZNFOUDPOUSPMMFSʹ͓͚ΔΩϟογϡར༻ func (dc *DeploymentController) syncDeployment(key string) error { namespace, name, err := cache.SplitMetaNamespaceKey(key) deployment, err := dc.dLister.Deployments(namespace).Get(name) d := deployment.DeepCopy() if reflect.DeepEqual(d.Spec.Selector, &everything) { dc.eventRecorder.Eventf(d, v1.EventTypeWarning, "SelectingAll", "This deployment is selecting all pods. A non- empty selector is required.") if d.Status.ObservedGeneration < d.Generation { d.Status.ObservedGeneration = d.Generation dc.client.AppsV1().Deployments(d.Namespace).UpdateStatus(d) } return nil } rsList, err := dc.getReplicaSetsForDeployment(d) podMap, err := dc.getPodMapForDeployment(d, rsList) if getRollbackTo(d) != nil { return dc.rollback(d, rsList) } scalingEvent, err := dc.isScalingEvent(d, rsList) switch d.Spec.Strategy.Type { case apps.RecreateDeploymentStrategyType: return dc.rolloutRecreate(d, rsList, podMap) case apps.RollingUpdateDeploymentStrategyType: return dc.rolloutRolling(d, rsList) } } IUUQTHJUIVCDPNLVCFSOFUFTLVCFSOFUFTCMPCBGGFFCFFCGBFFGFDQLHDPOUSPMMFSEFQMPZNFOUEFQMPZNFOU@DPOUSPMMFSHP--
  25. 30.

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  26. 31.

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