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Argo CD で GitOps してみた
po3rin
August 25, 2020
Programming
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420
Argo CD で GitOps してみた
po3rin
August 25, 2020
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Transcript
"SHP$%Ͱ(JU0QTͯ͠Έͨ ,VCFSOFUFT/PWJDF5PLZP"VH CZQPSJO
pon ( @po3rin ) ݕࡧͱ͔ΔσʔλΤϯδχΞɻ (PΛΑ͘ॻ͘ɻίϯςφ͖ɻ
Introduction \
&,4Ͱӡ༻ͯ͠Δϒϩά✌ QPSJODPN
ϒϩάͷΞʔΩςΫνϟ✌
Solution \
(JU0QTΫϥυωΠςΟϒͳΞϓϦͷ ܧଓతσϓϩΠΛ࣮͢Δํ๏ͷҰͭͰ ͢ɻΠϯϑϥετϥΫνϟΛϦϙδτϦ ʹهड़͞Εͨঢ়ଶʹҰகͤ͞ΔࣗಈԽ ϓϩηεΛ࣮ߦ͠·͢ɻ 8IBU`T(JU0QT
͜Ε͕σϓϩΠͷཧܗɻ(JU)VCʹLTͷϚχϑΣετΛมߋͯ͠QVTIͨ͠ΒɺͦΕ͕ө͞ΕΔɻ (JU0QT 1VTI 8BUDI4ZOD
͜ͷΑ͏ͳ(JU0QTΛ࣮ݱ͢Δ"SHP$%ͳͲͷΦʔϓϯιʔε͕ଟଘࡏ͢Δɻ (JU0QT 1VTI 8BUDI 4ZOD
Flux CD ͱ Argo CD ɺGitOps Λ࣮ݱ͢ΔͨΊ ͷΦʔϓϯιʔεͷπʔτοϓͰ͢ɻ (JU0QT
"SHP$%લ৬Ͱ͓ͬͯΓɺࣗͰ ઃఆͰ͖ΔΑ͏ʹͳ͓͖͍ͬͯͨͱ͍͏ ҆ͳཧ༝Ͱϒϩάʹ"SHP$%Λ࠾༻ɻ "SHP$%
"SHP$%(JU)VCͷϦϙδτϦΛৗʹXBUDI͠ɺݱঢ়ͱͷࠩΛݕ͠ɺઃఆΛࣗಈ·ͨखಈͰ ࠶ಉظ͠·͢ɻ͍͢͝ʂʂ "SHP$% 1VTI 8BUDI 4ZOD .BOJGFTUT3FQP
"SHP$%ͷσϞ
(JU0QTͰ"QQMJDBUJPO3FQPଆͰΠϝʔδΛϏϧυͨ͠ΒͦͷͰผ్ɺ:".-Λฤूͯ͠QVTI͢ Δඞཁ͕͋Δɻݸਓ։ൃͳͷͰճQVTI໘ɻ "SHP$% 1VTI 8BUDI 4ZOD .BOJGFTUT3FQP *NBHF "QQMJDBUJPO3FQP
1VTI
ຊདྷZBNMͷߋ৽ࣗಈԽ͍ͨ͠ͱ͜ΖɻಛʹݸਓϒϩάͷΑ͏ͳͷͳΒঘߋɻ࣮ࡍ"SHP$%ʹ ΊͬͪΌཁग़ͯΔɻ͔͠͠ɺ"SHP$%ͦΕ(JU0QTͷൣғ֎ͱͯ͋͠·ΓΓؾ͡Όͳ͔ͬͨɻ "SHP$% 1VTI 8BUDI 4ZOD .BOJGFTUT3FQP *NBHF ͍͍ײ͡ʹ.BOJGFTUΛ
ࣗಈͰฤू͍ͨ͠ "QQMJDBUJPO3FQP
ͦͦ"QQMJDBUJPO3FQPͱ.BOJGFTUT3FQPΛ͚Δඞཁ͋Δͷ͔ɻ͜Ε"SHPͷެࣜϒϩ άͰݴٴ͞Ε͍ͯΔ(JU0QT#FTU1SBDUJDFTͷҰͭɻ "SHP$% IUUQTCMPHBSHPQSPKJPHJUPQTCFTUQSBDUJDFTEDCDCF⒎
"SHP$%*NBHF6QEBUFS "SHP$%Λઃఆͨ࣍͠ͷि͘Β͍ʹNBOJGFTUͷJNBHFߋ৽͢ΔͭͰ͖ͯͨXXX ·ͩϓϨϦϦʔεͳͷͰຊ൪ʹ͑ͳ͍ͷͰࠓޙʹظɻ
·ͱΊΔͱ"QQMJDBUJPO3FQPͷ$*Ͱ.BOJGFTUT3FQPͷ༰Λमਖ਼ͯ͠QVTI͍ͨ͠ɻͯ͞Ͳ͏ ͢Δ͔ɻɻૂͬͨZBNMͷҰ෦Λ؆୯ʹमਖ਼Ͱ͖Δπʔϧ͕ZR ZR 1VTI 8BUDI 4ZOD .BOJGFTUT3FQP *NBHF ͍͍ײ͡ʹ.BOJGFTUΛ
ࣗಈͰฤू͍ͨ͠ "QQMJDBUJPO3FQP
ZRܰྔͰϙʔλϒϧͳίϚϯυϥΠϯ:".-ϓϩηοαZBNMϑΝΠϧಛԽͷKR·ͨTFEʹͳΔ͜ ͱΛඪͱ͍ͯ͠Δɻ ZR
ZRͰZBNMͷૂͬͨϑΟʔϧυΛ؆୯ʹฤ ूͰ͖Δɻ͜ΕΛ(JU)VC"DUJPOTͰߦͳͬ ͯɺฤूͨ͠Βͦͷ··QVTI͢Δɻ ZR
ZRΛͬͯ"QQMJDBUJPO3FQPͷQVTI͔ΒσϓϩΠ·ͰͷࣗಈԽ͕ͨ͠ɻ ZR 1VTI 8BUDI 4ZOD .BOJGFTUT3FQP *NBHF ZRͰ.BOJGFTUΛ ฤू͍ͨ͠
"QQMJDBUJPO3FQP
Appendix \
"SHP$%%FDMBSBUJWF4FUVQ "SHP$%ͷઃఆએݴతʹͰ͖ΔɻݸਓϒϩάͰҠߦதɻ
(JU0QTͷจ຺ͰσϓϩΠ͍ΘΏΔ1VMMܕWT1VTIܕͷٞʹͳΔɻ1VMMܕݖݶɺෳࡶੑഉআʹޮ͍ͯ͘Δɻ ɾ1VMMܕͷํൿີใΛ֎෦ʹͣ͞ʹ,VCFSOFUFTͰ݁Ͱ͖Δɻ ɾ1VMMܕʹ͢Δͱσʔλ֨ೲϦϙδτϦ͕Πϯϑϥʹґଘ͠ͳ͘ͳΔɻ 1VTIܕWT1VMMܕ 1VTI 'FUDI 4ZOD 4ZOD 1VMMܕ 1VTIܕ
)PDL LTͷ 83*5&͕ඞཁ ϦϙδτϦͷ 3&"%ݖݶ͚ͩ 1VTI
YDSZQUPTTIJTTVF 44)ΩʔʹΑΔೝূ(PͷYDSZQUPTTIύοέʔδʹ͋Δ1BSTF1SJWBUF,FZ8JUI1BTTQISBTF ؔͰ͕͢ɺ"SHP$%͕͍ͬͯΔόʔδϣϯ0QFO44)ܗࣜͷύεϑϨʔζ͖ൿີ伴ʹର Ԡ͓ͯ͠ΒͣΤϥʔʹͳΔɻɻ https://github.com/argoproj/argo-cd/issues/1894#issuecomment-667014961
Conclusion \
(JU0QTΫϥυωΠςΟϒͳΞϓϦͷܧଓతσϓϩΠΛ࣮͢Δํ๏ͷҰͭɻ (JU0QTΛ࣮ݱ͢ΔͨΊʹ"SHP$%'MVY$%Λ͏ͷ͕ศརɻ ίϯςφΠϝʔδͷϏϧυ͔ΒϦϦʔε·Ͱ͍ͨ͠ͳΒZRͱ͔͏ɻ 'MVY$%ͦ͏͍͏ػೳ͕͋Δɻ"SHP$%ϕʔλ൛Ͱ͍ۙػೳ͕͋Δɻ
໌ൃද͢ΔXXX
"SHP$%Ͱ(JU0QTͯ͠Έͨ ,VCFSOFUFT/PWJDF5PLZP"VH CZQPSJO