OpenFaaSとは - Speaker Deck

OpenFaaSとは

by kenev

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4FSWFSMFTT'SBNFXPSL 0QFO'BB4ͱ͸ 4 F S W F S M F T T . F F U V Q 0 T B L B

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ࣗ ݾ ঺ հ ෱ ࢁ ݈ Fukuyama Ken !LFOGEFW ˔ ϑϩϯτΤϯυɺόοΫΤϯυɺΠϯϑϥ ˔ "84ιϦϡʔγϣϯΞʔΩςΫτΞιγΤΠτ ˔ 6EFNZߨࢣ ˔ ʲੈքͰສਓ͕डߨʳ࣮ફʂ"OHVMBS+4ߨ࠲ ˔ 0QFO'BB4ίϯτϦϏϡʔλʔ ˔ 3BODIFS.FFUVQ0TBLBӡӦ 3BODIFS+1

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ձ ࣾ ঺ հ ˔ ೥ઃཱͷιϑτ΢ΣΞ։ൃձࣾ ˔ ڌ఺ɿେࡕ ຊࣾ ɺ౦ژɺ޿ౡɺ෱Ԭ ˔ ૊ΈࠐΈ͔ΒεϚϗΞϓϦɺ"*·Ͱ৭ʑ΍͍ͬͯ·͢ ϚωʔδυΫϥ΢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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ͷ ঺ հ Λ ͠ · ͢ 4 F S W F S M F T T ' S B N F X P S L

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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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ྫ ͑ ͹ ʜ

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4FSWFSMFTTͳ࣮ྫʢ"84ʣ "MFYB )PX`T  UIFXFBUIFS - B N C E B   ' V O D U J P O T \lJOUFOUz l'JOE8FBUIFSz^ \lTQFFDIz l*U`TEFHSFFTz^

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0 Q F O ' B B 4 ࢖ ͏ ͱ ʁ

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4FSWFSMFTTͳ࣮ྫʢ0QFO'BB4ʣ "MFYB )PX`T  UIFXFBUIFS \lJOUFOUz l'JOE8FBUIFSz^ \lTQFFDIz l*U`TEFHSFFTz^

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4 F S W F S M F T T ʁ ʁ

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ͬ ͯ ͳ Μ ͩ Ζ ͏ ʁ

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4 F S W F S M F T T ͱ ͸

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4 F S W F S M F T T ͱ ͸ “there are still servers required to run a serverless platform. The provider will need to manage servers (or virtual machines or containers), and will have some cost for running the platform, even when idle. A self-hosted system can still be considered serverless: typically one team acts as the provider and another developer team.” $/$'8(4FSWFSMFTT1BQFSΑΓ IUUQTHPPHMVE%'Y

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େ ࣄ ͳ ͷ ͸ Ξ ʔ Ω ς Ϋ ν ϟ architecture ͖ͬͱ

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0 Q F O ' B B 4 ͷ ࢓ ૊ Έ gateway L V C F S O F U F T 4 X B S N / /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 L V C F S O F U F T 4 X B S N / /F U D 'O" Deploy Deploy Orchestrator API 'VODUJPO4UBDL 'O# Invoke Metrics/Scale 'O" 'O" Scale ΍͹͘ͳͬͨΒࣗಈతʹεέʔϧʂ

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' V O D U J P O ͷ ࢓ ૊ Έ ͸ ʁ watchdog

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' V O D U J P O 8 B U D I E P H HTTP )FBEFST #PEZ )FBEFST #PEZ /usr/bin/node handler.js SFRVFTU ඪ४ೖྗ TUEJO TUEPVU ඪ४ग़ྗ SFTQPOTF

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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 L V C F S O F U F T 4 X B S N / /F U D 'VODUJPO 'VODUJPO 'VODUJPO Pull Pull Deploy Deploy Orchestrator API

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ಉ ظ ɾ ඇ ಉ ظ sync async

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ಉ ظ ݺ ͼ ग़ ͠ Gateway Func: resizer marshal request HTTP 200 ը૾ॖখ ґཔ

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ඇ ಉ ظ ݺ ͼ ग़ ͠ Gateway Func: resizer X-Callback-Url Queue http://x.y.z X-Callback-Url: http://x.y.z NATS ը૾ॖখ ґཔ

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࿈ ܞ integration

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faas-netes L V C F S O F U F T 'VODUJPO 'VODUJPO 'VODUJPO Deploy Deploy Orchestrator API L T ࿈ ܞ gateway Invoke 3FWFSTF 1SPYZ https://github.com/openfaas/faas-netes

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faas- Orchestrator X 'VODUJPO 'VODUJPO 'VODUJPO Deploy Deploy Orchestrator API ଞ 1 S P W J E F S ࿈ ܞ gateway Invoke 3FWFSTF 1SPYZ

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faas-rancher 'VODUJPO 'VODUJPO 'VODUJPO Deploy Deploy Orchestrator API 3 B O D I F S ࿈ ܞ gateway Invoke 3FWFSTF 1SPYZ https://github.com/kenfdev/faas-rancher

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ͦ ͷ ଞ ॾ ʑ and more

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H P U F N Q M B U F https://blog.alexellis.io/serverless-golang-with-openfaas/ (PݴޠͷUFNQMBUF΋༻ҙ͞Ε͍ͯ·͢ʂ faas-cli new --lang go

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% F C V H H J O H ʂ ίϯςφʹΞλον͢Ε͹σόοά΋Մೳ

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$ * $ % 1 J Q F M J O F https://github.com/kenfdev/faas-echo

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1SPWJEFST *OUFHSBUJPOTBOE6TFST

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)BDLUPCFSGFTUͰ͢Αʂ

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ࢀߟ ˔ IUUQTHJUIVCDPNPQFOGBBTGBBT ˔ 0QFO'BB4ͷίΞϓϩδΣΫτ ˔ IUUQTHJUIVCDPNPQFOGBBTGBBTDMJ ˔ 0QFO'BB4Λศརʹ࢖͏ͨΊͷ$-* ˔ IUUQTHJUIVCDPNPQFOGBBTGBBTOFUFT ˔ LVCFSOFUFT্Ͱ0QFO'BB4Λಈ͔ͨ͢Ίͷ֦ுػೳ ˔ IUUQTHJUIVCDPNGBBTBOEGVSJPVT ˔ 0QFO'BB4ͷ044ͳ'VODUJPO͕ू·͍ͬͯΔ৔ॴ

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ϔ ϧ ϓ ʂ

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

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͝ ਗ਼ ௌ ͋ Γ ͕ ͱ ͏ ͝ ͟ ͍ · ͠ ͨ ʂ @ k e n f d e v