OpenFaaS x Rancher が気づかせてくれたこと

by CapsuleCloud

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0QFO'BB4Y3BODIFS͕ ɹɹɹɹɹɹؾ͔ͮͤͯ͘Εͨ͜ͱ 3 B O D I F S . F F U V Q 5 P L Z P

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ࣗ ݾ ঺ հ ࢁ ᖒ Ұ ਔ Yamazawa Kazuhito ෱ ࢁ ݈ Fukuyama Ken !LFOGEFW ϑϩϯτΤϯυ νʔϜϦʔμʔ όοΫΤϯυ ث༻ශ๡ !LZBNB[BXB@TTM

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ձ ࣾ ঺ հ ˔ ೥ઃཱͷιϑτ΢ΣΞ։ൃձࣾ ˔ ڌ఺ɿେࡕ ຊࣾ ɺ౦ژɺ޿ౡɺ෱Ԭ ˔ ૊ΈࠐΈ͔ΒεϚϗΞϓϦɺ"*·Ͱ৭ʑ΍͍ͬͯ·͢ ࣗࣾΫϥ΢υαʔϏεɿ$BQTVMF$MPVE I U U Q T D B Q T V M F D M P V E J P ג ࣜ ձ ࣾ ε ʔ ύ ʔ ι ϑ τ ΢ Τ Ξ 4 V Q F S 4 P G U X B S F $ P - U E ΦϦδφϧΞχϝɿϖʔύʔͷதʹ͋ΔΧϛΛ৯΂Δ I U U Q T Z P V U V C F % 4 + [ N 1 J W : εϚϗΞϓϦ ɿອըΧϝϥ

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ࠓ ճ ͷ ͓ ࿩ ͸ ʜ

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0QFO'BB4Y3BODIFS͕ ɹɹɹɹɹɹؾ͔ͮͤͯ͘Εͨ͜ͱ 4FSWFSMFTTͬͯͳΜͩΖ͏ʁ

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0 Q F O ' B B 4 ͱ ͸ %PDLFS্Ͱಈ͘4FSWFSMFTTͳ'SBNFXPSL ίϯςφʹೖ͍ͬͯΕ͹ԿͰ΋'VODUJPOʹͳΓಘΔ ʜ %PDLFS4XBSNͱ,VCFSOFUFTͰͷಈ࡞͕αϙʔτ͞Ε͍ͯΔ

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0 Q F O ' B B 4 ͱ ͸ ਓؾٸ্ঢதʂ

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0 Q F O ' B B 4 ͱ ͸

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4FSWFSMFTTͳ࣮ྫʢ($1ʣ Ͷ͐(PPHMFɺ ࠓ೔ͷఱؾ͸ʁ $ M P V E   ' V O D U J P O T \lJOUFOUz l'JOE8FBUIFSz^ \lTQFFDIz lࠓ೔͸੖ΕͰ͢z^

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4FSWFSMFTTͳ࣮ྫʢ0QFO'BB4ʣ Ͷ͐(PPHMFɺ ࠓ೔ͷఱؾ͸ʁ \lJOUFOUz l'JOE8FBUIFSz^ \lTQFFDIz lࠓ೔͸੖ΕͰ͢z^

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0 Q F O ' B B 4 ͷ ࢓ ૊ Έ gateway / / F U D 'O" Deploy Deploy Orchestrator API 'VODUJPO4UBDL 'O# Invoke Metrics/Scale جຊߏ੒ /

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0 Q F O ' B B 4 ͷ ࢓ ૊ Έ gateway 'O" Deploy Deploy Orchestrator API 'VODUJPO4UBDL 'O# Invoke Metrics/Scale 'O" 'O" Scale ΍͹͘ͳͬͨΒࣗಈతʹεέʔϧʂ / / F U D /

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HTTP )FBEFST #PEZ )FBEFST #PEZ /usr/bin/node index.js SFRVFTU ඪ४ೖྗ TUEJO TUEPVU ඪ४ग़ྗ SFTQPOTF GQSPDFTT 'VODUJPOͷ࢓૊Έ 0 Q F O ' B B 4 ͷ ࢓ ૊ Έ

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Կ ͕ ͏ Ε ͠ ͍ ͷ ͔ ʁ

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S e r v e r l e s s ʁ S e r v e r l e s s ʁ

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4 F S W F S M F T T https://www.slideshare.net/Docker/dockercon-eu-2017-general-session-day-1

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“ C u s t o m e r s w a n t d e p l o y m e n t f l e x i b i l i t i e s . B u s i n e s s r u l e s c h a n g e . R e q u i r e m e n t s c h a n g e . R e g u l a t o r y e n v i r o n m e n t s c h a n g e . ” “ S e r v e r l e s s h a s t o b e a n y w h e r e . I t c a n ’ t b e l i n k e d o r t i e d t o a s i n g l e p l a t f o r m . ” - S t e v e S i n g h @ D o c k e r C o n E U 2 0 1 7 4 F S W F S M F T T " O Z X I F S F “ C u s t o m e r s w a n t d e p l o y m e n t f l e x i b i l i t i e s . B u s i n e s s r u l e s c h a n g e . R e q u i r e m e n t s c h a n g e . R e g u l a t o r y e n v i r o n m e n t s c h a n g e . ” “ S e r v e r l e s s h a s t o b e a n y w h e r e . I t c a n ’ t b e l i n k e d o r t i e d t o a s i n g l e p l a t f o r m . ”

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P o r t a b i l i t y

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I n f r a s t r u c t u r e P o r t a b i l i t y

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Infrastructure Infrastructure Orchestrator Orchestrator P l u g & P l a y a b l e A p p l i c a t i o n C o r e

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A p p l i c a t i o n P o r t a b i l i t y

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" Q Q 1 P S U B C J M J U Z Monolith Microservice Microservice Microservice Microservice Function Function Function Function Function Function Function Function ˚ ̋ ˕

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Core Gateway Gateway Google LINE Facebook FourSquare P l u g & P l a y a b l e Alexa etc.

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͜ ͷ ܗ ɺ Ͳ ͜ ͔ Ͱ ݟ ͨ ؾ ͕ ʜ

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$ M F B O " S D I J U F D U V S F https://8thlight.com/blog/uncle-bob/2012/08/13/the-clean-architecture.html

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$ M F B O " S D I J U F D U V S F https://www.youtube.com/watch?v=Nltqi7ODZTM

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$ M F B O " S D I J U F D U V S F M a k e t h e D e l i v e r y M e c h a n i s m a P l u g i n t o y o u r A p p l i c a t i o n . A l l t h e a r c h i t e c t u r a l d e c i s i o n s w e w a n t t o d e f e r … H o w d o w e d e f e r t h e m ? W e t u r n t h e m i n t o p l u g i n s . R o b e r t C . M a r t i n ( U n c l e B o b ) M a k e t h e D e l i v e r y M e c h a n i s m a P l u g i n t o y o u r A p p l i c a t i o n . A l l t h e a r c h i t e c t u r a l d e c i s i o n s w e w a n t t o d e f e r … H o w d o w e d e f e r t h e m ? W e t u r n t h e m i n t o p l u g i n s .

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“ S e r v e r l e s s i s a b o u t d e l i v e r i n g d e v e l o p e r e x p e r i e n c e . ” “ H o w f a s t c a n y o u i t e r a t e ? " “ H o w f a s t c a n y o u g e t t h e c o d e o u t ? ” “ H o w e a s y c a n y o u m a k e i t ? ” - A l e x E l l i s @ D o c k e r C o n E U 2 0 1 7 4 F S W F S M F T T “ S e r v e r l e s s i s a b o u t d e l i v e r i n g d e v e l o p e r e x p e r i e n c e . ” “ H o w f a s t c a n y o u i t e r a t e ? " “ H o w f a s t c a n y o u g e t t h e c o d e o u t ? ” “ H o w e a s y c a n y o u m a k e i t ? ”

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4 F S W F S M F T T 1 B O F M https://dockercon.docker.com/watch/5Ek8NH6M7Lbxsc4KZ9PNAg

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4 F S W F S M F T T ͷ ҙ ٛ P o r t a b i l i t y D e v e l o p e r E x p e r i e n c e C u s t o m e r E x p e r i e n c e

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0 Q F O ' B B T ͷ % 9

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' V O D U J P O ͷ ࡞ ੒ ϑ ϩ ʔ QBDLBHFKTPO IBOEMFSKT faas-cli new Template Docker Image faas-cli build $POUBJOFS3FHJTUSZ faas-cli push جຊతʹ࣮૷͢Δͷ͸͚ͩ͜͜ʂ

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' V O D U J P O ͷ σ ϓ ϩ Π $POUBJOFS3FHJTUSZ faas-cli deploy gateway 'VODUJPO 'VODUJPO 'VODUJPO Pull Pull Deploy Deploy Orchestrator API / / F U D /

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% & . 0

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ࢀߟ ˔ IUUQTHJUIVCDPNPQFOGBBTGBBT ˔ 0QFO'BB4ͷίΞϓϩδΣΫτ ˔ IUUQTHJUIVCDPNPQFOGBBTGBBTDMJ ˔ 0QFO'BB4Λศརʹ࢖͏ͨΊͷ$-* ˔ IUUQTHJUIVCDPNPQFOGBBTGBBTOFUFT ˔ LVCFSOFUFT্Ͱ0QFO'BB4Λಈ͔ͨ͢ΊͷίωΫλ ˔ IUUQTHJUIVCDPNPQFOGBBTJODVCBUPSGBBTSBODIFS ˔ 3BODIFS্Ͱ0QFO'BB4Λಈ͔ͨ͢ΊͷίωΫλ ˔ IUUQTHJUIVCDPNGBBTBOEGVSJPVT ˔ 0QFO'BB4ͷ044ͳ'VODUJPO͕ू·͍ͬͯΔ৔ॴ

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ϔ ϧ ϓ ʂ

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ϔ ϧ ϓ ʂ ೔ຊޠ৘ใ͕΄ͱΜͲ͋Γ·ͤΜɻɻɻ 2JJUBͰ΋·ͩ݅ʂ ͥͻ࢖ͬͯΈͯϑΟʔυόοΫΛΞ΢τϓοτ͍ͯͩ͘͠͞ʂ

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͝ ਗ਼ ௌ ͋ Γ ͕ ͱ ͏ ͝ ͟ ͍ · ͠ ͨ ʂ