telepresence で始める k8s 時代のローカル開発

by shiro16

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ޙ౻རത(.01FQBCP *OD $MPVE/BUJWF.FFUVQ5PLZP UFMFQSFTFODFͰ࢝ΊΔ LT࣌୅ͷϩʔΧϧ։ൃ

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νʔϑςΫχΧϧϦʔυ 5PTIJIJSP(PUP!@TIJSP NJOOFࣄۀ෦!(.0ϖύϘ

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ຊ೔ͷ͓࿩ͷ಺༰ wUFMFQSFTFODFͱ͸ wUFMFQSFTFODFͷ࢖͍ํ wUFMFQSFTFODFΛಋೖ͢ΔࡍͷϋϚΓϙΠϯτ wUFMFQSFTFODFͷॲཧͷྲྀΕ

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ຊ೔࿩͞ͳ͍಺༰ wLVCFSOFUFTDMVTUFSͷ͓࿩ wLVCFSOFUFTͷجຊతͳ͓࿩ wEPDLFSͷ࢖͍ํ w3BJMTʹ͍ͭͯ wTTIʹ͍ͭͯ

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UFMFQSFTFODFͱ͸

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UFMFQSFTFODFͱ͸ w୯ҰͷαʔϏεΛϦϞʔτͷ,VCFSOFUFTΫϥελʹ઀ଓ͠ͳ͕Βɺ ͦͷαʔϏεΛϩʔΧϧͰ࣮ߦ͢Δ͜ͱ͕ՄೳʹͳΔ wͦͷαʔϏε͕Ϋϥελ಺ͷଞͷαʔϏεʹґଘ͍ͯ͠Δ৔߹Ͱ΋ɺ ୯ҰͷαʔϏεͷਝ଎ͳϩʔΧϧ։ൃΛߦ͏͜ͱ͕ՄೳʹͳΔ wϩʔΧϧͷ։ൃϚγϯΛ,VCFSOFUFTΫϥελͷҰ෦ͷΑ͏ʹಈ࡞͞ ͤΔ͜ͱ͕ՄೳʹͳΔ

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LVCFSOFUFTDMVTUFSNBD

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LVCFSOFUFTDMVTUFSUFMFQSFTFODFNBD

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Ͳ͏͍͏໰୊͕ղܾͰ͖Δ͔ʁ

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ղܾͰ͖Δ໰୊ wJNBHFCVJMEQVTIQPEͷJNBHFߋ৽ͷखؒΛল͘͜ͱ͕Մೳ wϦϞʔτͷ,VCFSOFUFTΫϥελʹ઀ଓ͠ͳ͕Β։ൃͰ͖ΔΑ͏ʹͳ ΔͷͰɺϩʔΧϧ͔ΒଞͷαʔϏε ϚΠΫϩαʔϏεతͳଞͷαʔ Ϗε΍%# ʹ઀ଓ͕ՄೳʹͳΔ wLVCFSOFUFTͷαʔϏεͷҰ෦ͱͯ͠ػೳ͢ΔͷͰɺΞΫηεͨ͠ ࡍͷωοτϫʔΫܦ࿏͕΄΅ಉ͡ʹͳΔ

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ͭ·Γշదʹ։ൃ͕Ͱ͖Δ

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UFMFQSFTFODFͷ࢖͍ํ

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લఏ wIUUQ T ͰΞΫηε͕Ͱ͖ΔQPE͕͋Δ wDPOUBJOFS1PSUͰΛ։͚͍ͯΔ w͜Ε͸3BJMTTFSWFSͷσϑΥϧτͷQPSU͕ͦ͏ͳ͚ͩͰมߋͯ͠ ΋໰୊ͳ͍

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·ͣ͸JOTUBMM # homebrew Λ࢖͏ $ brew cask install osxfuse $ brew install datawire/blackbird/telepresence # ιʔε͔Β $ git clone [email protected]:telepresenceio/telepresence.git $ cd telepresence $ PREFIX=/path/to/install ./install.sh # bin/ ʹͰ͖Δ

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UFMFQSFTFODFͷ࢖͍ํͦͷᶃ

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ϩʔΧϧͰىಈͨ͠TFSWFSʹ ΞΫηεΛྲྀ͢

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ϩʔΧϧTFSWFS΁ # k8s-deployment-name ͸ஔ͖׵͍͑ͨ deployment ͷ໊લ $ telepresence --swap-deployment k8s-deployment-name \  --run bundle exec rails s

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UFMFQSFTFODFͷ࢖͍ํͦͷᶄ

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ϩʔΧϧͰىಈͨ͠EPDLFS্Ͱ ىಈ͍ͯ͠ΔTFSWFSʹΞΫηεΛྲྀ͢

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ϩʔΧϧEPDLFS΁ # k8s-deployment-name ͸ஔ͖׵͍͑ͨ deployment ͷ໊લ $ telepresence --swap-deployment k8s-deployment-name \  --docker-run --rm -it test-image:0.0.1 bundle exec rails s

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ͦͷଞͷ࢖͍ํ

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ͦͷଞͷ࢖͍ํ wࠓճ঺հͨͭ͠Ҏ֎ʹ΋LVCFSOFUFTDMVTUFSʹ઀ଓͯ͠৭ʑͰ ͖Δ wྫ͑͹UFMFQSFTFODFSVODVSMIUUQNZTFSWJDFͱ΍ΔͱQPE ্ཱ͕͕ͪΓNZTFSWJDFʹΞΫηεͨ݁͠Ռ͕ฦͬͯདྷͨΓ wIUUQTXXXUFMFQSFTFODFJPIPXUPʹશͯ ʁ ॻ͍ͯ͋Δ

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ϋϚΓϙΠϯτ

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QPSUΛ࢖͍ͬͯΔ৔߹

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QPSUΛ࢖͍ͬͯΔ৔߹ wUFMFQSFTFODFΛىಈ͢Δͱର৅ͷQPEͷEFGBVMUͷDPOUBJOFS ͕ஔ͖׵ΘΔ wஔ͖׵ΘͬͨDPOUBJOFSͰطʹQPSUΛ࢖༻͍ͯ͠Δҝ DPOUBJOFS1PSUͰΞΫηεΛड͚͍ͯͯͦΕΛϩʔΧϧʹྲྀͦ͏ ͱࢥͬͯ΋ग़དྷͳ͍

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ղܾํ๏ w͓ͦΒ͘ݱঢ়͸ແ͍ͷͰҎ֎Λ࢖͏͔͠ͳ͍

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QPEʹෳ਺ίϯςφ

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QPEʹෳ਺ίϯςφΛؚΊΔ৔߹ wUFMFQSFTFODFΛىಈ͢Δͱର৅ͷQPEͷEFGBVMUͷDPOUBJOFS ͕ஔ͖׵ΘΔ wͳͷͰEFGBVMUDPOUBJOFSҎ֎ͰDPOUBJOFS1PSUΛ࢖ͬͯͦͷ QPSUͷ௨৴ΛϩʔΧϧʹஔ͖׵͑Δͱ͔΍Ζ͏ͱࢥͬͯ΋ग़དྷͳ͍

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ղܾํ๏ wૉ௚ʹEFGBVMUΛ࢖͍·͠ΐ͏ wTXBQEFQMPZNFOULTEFQMPZNFOUOBNFUBSHFUDPOUBJOFSͷ ܗࣜͰࢦఆՄೳ

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EPDLFSΛ࢖͏৔߹

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EPDLFSΛ࢖͏৔߹ wUFMFQSFTFODFͱ͍͏ΑΓ׬શʹEPDLFSͷ໰୊ wجຊతʹEPDLFSSVOͷPQUJPO͸ͦͷ··࢖͑Δ wͳͷͰWͱ͔ͰNPVOU͍ͨ͠ w͔͠͠EPDLFSͷNPVOU͸஗͍ NPVOU͢ΔTJ[Fʹ΋ΑΔ

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ղܾํ๏ wEPDLFSTZODΛ࢖͏ wDBDIFEPQUJPOΛ࢖͏ wEPDLFSͷϝϞϦׂΓ౰ͯΛ૿΍͢

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UFMFQSFTFODFͷॲཧͷྲྀΕ

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UFMFQSFTFODFͷॲཧͷྲྀΕᶃ wLVCFDUMWFSTJPODPOpHΛۦ࢖ͯ͠ઃఆΛऔಘ͢Δ wLVCFDUMDPOUFYUA্هͰऔಘͨ͠DVSSFOUDPOUFYUPSBSHTͷDPOUFYUAHFU OTEFGBVMUͰLTDMVTUFSͱͷૄ௨֬ೝ w˞ҎԼग़ͯ͘ΔLVCFDUMͷPQUJPOʹ͸શͯADPOUFYUIPHF OBNFTQBDFEFGBVMUA͕ண͕͘௕͍ͷͰলུ wLVCFDUMHFUEFQMPZNFOUPKTPOFYQPSUABSHTͷEFQMPZNFOUAͰ EFQMPZNFOUͷ৘ใΛऔಘ

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UFMFQSFTFODFͷॲཧͷྲྀΕᶄ wऔಘͯ͠อ࣋ͨ͠EFQMPZNFOUͷEFGBVMUDPOUBJOFSͷ৘ใΛॻ͖׵͑Δ wPQUJPOͰDPOUBJOFSΛࢦఆͨ͠৔߹͸ࢦఆ͞ΕͨDPOUBJOFS wॻ͖׵͑ͨ಺༰ͰLVCFDUMBQQMZGΛߦ͍ஔ͖׵͑ΔQPEΛ࡞੒ wLVCFDUMTDBMFEFQMPZNFOUATXBQEFQMPZFNFOUͷEFQMPZNFOUA SFQMJDBTͰطଘͷQPEΛ࡟আ wLVCFDUMQPSUGPSXBSEAஔ͖׵͑ͨQPEOBNFA w͜ΕͰQPEͷDPOUBJOFSʹTTIͰ͖ΔΑ͏ʹͳΔ

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͜͜·Ͱ͸ઌͰઆ໌ͨ͠ ύλʔϯͷ࢖͍ํͰڞ௨

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·ͣ͸ϩʔΧϧͰىಈͨ͠ TFSWFSΛ࢖͏৔߹

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ϩʔΧϧTFSWFSΛ࢖͏৔߹ᶃ wTTI Ұ෦ུ /QUFMFQSFTFODF!3 wTTI Ұ෦ུ /QUFMFQSFTFODF! -3 w্هΛߦ͏͜ͱͰQPEͱͷ૒ํ޲ͷΞΫηεΛՄೳʹ͍ͯ͠Δ

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ϩʔΧϧTFSWFSΛ࢖͏৔߹ᶄ wߋʹTTIVUUMFUFMFQSFTFODFͱ͍͏πʔϧ TTIVUUMFΛ UFMFQSFTFODF༻ʹΧελϚΠζͨ͠΋ͷ Λ࢖ͬͯLVCFSOFUFT্ ͷଞͷαʔϏε΁ͷΞΫηεΛՄೳʹ͍ͯ͠Δ

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࣍ʹϩʔΧϧͰىಈͨ͠ EPDLFSΛ࢖͏৔߹

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ϩʔΧϧEPDLFSΛ࢖͏৔߹ᶃ wTTI Ұ෦ུ /QUFMFQSFTFODF! -3 wEPDLFSSVOͰEBUBXJSFUFMFQSFTFODFMPDBMΛ࢖ͬͯEPDLFS DPOUBJOFSΛ্ཱͪ͛Δ w͜ͷDPOUBJOFS͸QSPYZ༻Ͱ͜ͷޙʹىಈ͢ΔDPOUBJOFSͱQPE Λͭͳ͙໾ׂΛ͍ͯ͠ΔΑ͏Ͱ͢ɻ

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ϩʔΧϧEPDLFSΛ࢖͏৔߹ᶄ wTTI Ұ෦ུ /QSPPU!3 wTTI Ұ෦ུ /QUFMFQSFTFODF!3 wEPDLFSSVOҎ߱ͷΦϓγϣϯΛࢦఆͯ͠࠷ऴతʹΞΫηεΛྲྀ͢ EPDLFSDPOUBJOFSΛىಈ͢Δ

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࠷ޙʹ

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ͱΓ͋͑ͣͲΜͳײ͔͡ࢼ͍ͨ͠ਓ޲͚

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ͱΓ͋͑ͣࢼ͍ͨ͠ wIUUQTHJUIVCDPNUFMFQSFTFODFJPUFMFQSFTFODFUSFF NBTUFSFYBNQMFTHVFTUCPPL w্هʹ(,&༻ͷॾʑ͕͋ΔͷͰࢼͤͦ͏ ˞ࣗ෼͸(,&࢖ͬͯͳ ͍ͷͰࢼͯ͠ͳ͍ wIUUQTHJUIVCDPNTIJSPUFMFQSFTFODFFYBNQMFT wͪ͜ΒͰ΋͓खܰʹ͓ࢼ͍͚ͨͩ͠·͢ɻ