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開発中のトラブルを避けるNode-RED Tips
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kominami
February 25, 2018
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開発中のトラブルを避けるNode-RED Tips
Node-RED UG Osaka 勉強会&懇親会 vol.1 Osakaキックオフ「開発中のトラブルを避けるNode-RED Tips」の登壇資料です。
kominami
February 25, 2018
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Transcript
։ൃதͷτϥϒϧΛ ආ͚Δ/PEF3&%5JQT גࣜձࣾ43"ؔࣄۀ෦ খೆɹහ߂
࣍ w ̍ɽࣗݾհ w ̎ɽ࣭ w ̏ɽ֓ཁ w ̐ɽ͋Γ͕ͪͳϑϩʔ w
̑ɽ)551௨৴ΤϥʔΛݕ͢Δํ๏ w ̒ɽϝϞϦෆΛආ͚ΔͨΊͷ w ̓ɽ8FC4PDLFUͷଓΤϥʔΛݕ͢Δํ๏ w ̔ɽ·ͱΊ
̍ɽࣗݾհ w খೆහ߂ʢ͜ΈͳΈͱ͠ͻΖʣ w גࣜձࣾ43"ؔࣄۀ෦ w γεςϜΤϯδχΞ w /PEF3&%ɺ3BTQCFSSZ1Jɺ$MPVEɺεϚʔτε ϐʔΧʔΛ༻ͯ͠*P5։ൃΛߦ͍ͬͯ·͢ɻʑ
ษڧதͰ͢ɻ
̎ɽ࣭ /PEF3&%Λ༻ͯ͠)551௨৴ɾσόοάɾ 8FC4PDLFUଓΛߦͬͨ͜ͱ͕ͳ͍ਓखΛڍ͛ͯ ͍ͩ͘͞ɻ
̏ɽ֓ཁ /PEF3&%Ͱ։ൃதʹੜ͕ͪ͡ͳτϥϒϧΛආ͚Δͨ Ίͷ5JQTΛ̏ͭ͝հ͠·͢ɻ • )551௨৴ͷΤϥʔ • ϝϞϦෆ • 8FC4PDLFU௨৴ͷྫ֎ ͋ͳͨΤΩεύʔτͷؒೖΓ͕Ͱ͖Δʢ͔ʣɻ
HTTPϦΫΤετ ̐ɽ͋Γ͕ͪͳϑϩʔ ݁Ռఆ WebSocketड৴ σόοάදࣔ
HTTPϦΫΤετ ̐ɽ͋Γ͕ͪͳϑϩʔ ݁Ռఆ WebSocketड৴ σόοάදࣔ
̑ɽ)551௨৴ΤϥʔΛݕ͢Δํ๏ )551εςʔλείʔυ w )551௨৴Λߦ͏ͱɺϨεϙϯε͕ฦ͖ͬͯ·͢ w ใϨεϙϯεʢ̍̌̌൪ʣ ϦΫΤετड͚औΒΕͨɻॲཧܧଓ͞ΕΔɻ w ޭϨεϙϯεʢ̎̌̌൪ʣ
w ϦμΠϨΫτϝοηʔδʢ̏̌̌൪ʣ w ΫϥΠΞϯτΤϥʔʢ̐̌̌൪ʣ w αʔόʔΤϥʔʢ̑̌̌൪ʣʯ ҟৗ
̑ɽ)551௨৴ΤϥʔΛݕ͢Δํ๏ʢѱ͍ྫʣ w NTHTUBUVT$PEFʹ͚ͩͰͳ͘ɺ จࣈྻ͕ฦͬͯ͘Δ͜ͱ͕͋Γ·͢ w ྫ͑ɺαʔό͕ىಈ͍ͯ͠ͳ͍߹z&5*.&%065z ͱ͍͏จࣈྻ͕ೖΓ·͢ >=400ɿ௨৴NG ͦͷଞɿ௨৴OK
HTTPϦΫΤετ
httpϦΫΤετ ̑ɽ)551௨৴ΤϥʔΛݕ͢Δํ๏ʢྑ͍ྫʣ w NTHTUBUVT$PEFΛ̍ͭͣͭఆ͢Δ w ͔ͦͷଞͰఆ͠ɺ ͦͷଞͷ߹௨৴Τϥʔͱ͢Δ ==200ɿ௨৴OK ͦͷଞɿ௨৴NG
̒ɽϝϞϦෆΛආ͚ΔͨΊͷ σόοά ϊʔυ w NTHσʔλΛαΠυόʔͷ%FCVHλϒʹग़ྗͰ͖·͢ w γεςϜίϯιʔϧʹग़ྗ͢Δ͜ͱͰ͖·͢ w εςʔλεςΩετʹ͍จࣈʢจࣈʣΛग़ྗ͢Δ
͜ͱͰ͖·͢ʢWFS৽ػೳʣ w σόοά ϊʔυ্ͷϘλϯΛԡԼͯ͠ɺग़ྗͷ༗ޮʗ ແޮΛઃఆͰ͖·͢
̒ɽϝϞϦෆΛආ͚ΔͨΊͷʢѱ͍ྫʣ w ϝϞϦෆʹͳΔͱ/PEF3&%͕མͪ·͢ w εςʔλεදࣔग़ྗΛແޮʹͯ͠ NTHσʔλ͕ྲྀΕ·͢ w ϑϩʔ͕ೋވʹͳΔͷͰNTHσʔλ͕ίϐʔ͞Εͯɺ ϝϞϦͷෆʹܨ͕Γ·͢
ϑϩʔ͕ೋވ
̒ɽϝϞϦෆΛආ͚ΔͨΊͷʢྑ͍ྫʣ w σόοά ϊʔυͷઢΛআ͢Δ w ϑΝϯΫγϣϯϊʔυͰOPEFTUBUVTؔΛ༻͢Δ
̓ɽ8FC4PDLFUͷଓΤϥʔΛݕ͢Δํ๏ XFCTPDLFUϊʔυʹछྨ͋Γɺೖग़ྗͦΕͧΕͭ͋Γ·͢ɻ w XFCTPDLFUJOϊʔυ w ࢦఆ63-ʢXT999ʣͰड৴ͨ͠ύέοτΛNTHσʔλͱ͠ ͯϑϩʔʹग़ྗ͢Δ w ग़ྗࢠ͕ͭ
w XFCTPDLFUPVUϊʔυ w NTHσʔλΛࢦఆ63- XT999 ͷΫϥΠΞϯτʹૹ৴͢Δ w ೖྗࢠ͕Ұͭ
̓ɽ8FC4PDLFUͷଓΤϥʔΛݕ͢Δํ๏ʢѱ͍ྫʣ w 8FCTPDLFUϊʔυࢠ͕ҰͭͰɺΤϥʔग़ྗ͕͋Γ ·ͤΜ w 8FC4PDLFUͷଓΤϥʔΛݕ͢Δඞཁ͕͋Γ·͢ ݕͰ͖ͳ͍
̓ɽ8FC4PDLFUͷଓΤϥʔΛݕ͢Δํ๏ʢྑ͍ྫʣ w εςʔλεϊʔυͰଓঢ়ଶΛ औಘ͠·͢
̔ɽ·ͱΊ w )551ͷ௨৴ΤϥʔΛݕ͢Δํ๏ w NTHTUBUVT$PEFΛ̍ͭͣͭఆͯ͠ɺͦͷଞͷ߹ ௨৴Τϥʔͱఆ͢Δ w ϝϞϦෆΛආ͚ΔͨΊͷ w
σόοάϊʔυͷ༻࠷খݶʹ͢Δ w ϑΝϯΫγϣϯϊʔυΛ༻ͯ͠ɺ σόοάϊʔυͰग़ྗ͍ͯͨ͠ใΛදࣔ w 8FC4PDLFUͷଓΤϥʔΛݕ͢Δํ๏ w εςʔλεϊʔυͰଓঢ়ଶऔಘ͢Δ
̔ɽ/PEF3&%Ϣʔβάϧʔϓ େࡕͷظ ٕज़ྗ্ʹͭͳ͕Δใڞ༗ʹ ظ͍ͯ͠·͢ɻ w ࣄྫͷհ w ٕज़ใͷ5JQT w ࠷৽ใ
͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ