Project automation for internal affairs

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4VO ۀ຿ͰʂRubyΛʂ  ΩϝΔʂ ෋ࢁ3VCZձٞ ˏ෋ࢁࠃࡍձٞ৔େखொϑΥʔϥϜ Active Record, CSV, and RuboCop ҏ౻ߒҰ&4. *OD

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!LPJD w 3VCP$PQίϛολʔ w "30SBDMFFOIBODFE BEBQUFSίϛολʔ w Ӭ࿨γεςϜϚωδϝϯτ  ίϛϡχςΟϚωʔδϟ

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#VOEMFS 1SZ 34QFD 3VCP$PQ CZFCVH 3VCZ,BJHJ %3&$0.͞Μϒʔεʹͯ

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IUUQTIFJTFJSCHJUIVCJPLBJHJ

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IUUQTIFJTFJSCHJUIVCJPLBJHJ

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8&"3&)*3*/( ͷ஥ؒͨͪ ӡӦ -5 -5 ࢀՃऀ ࢀՃऀ ෋ࢁ3VCZձٞʹू·ͬͨ ߨԋ

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044ίϛϡχςΟͱͷڞੜΛࢧԉ Support coexistence with OSS community

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ࠓ೔ͷ࿩

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ୡਓϓϩάϥϚʔ΁ͷجૅٕज़ ςεςΟϯά %FWFMPQFS5FTUJOH ࣗಈԽ 1SPKFDU"VUPNBUJPO όʔδϣϯ؅ཧ 7FSTJPO$POUSPM

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ୡਓϓϩάϥϚʔ΁ͷجૅٕज़ ςεςΟϯά %FWFMPQFS5FTUJOH ࣗಈԽ 1SPKFDU"VUPNBUJPO όʔδϣϯ؅ཧ 7FSTJPO$POUSPM

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͜ͷߨԋͰಘΒΕΔ͔΋͠Εͳ͍͜ͱ w 伱͋Β͹3VCZΛ࢖͏ߟ͑ํͱ͍͏ ͔ࣥ೦Έ͍ͨͳ΋ͷ w ;ͩΜͷΞϓϦέʔγϣϯ։ൃͰ͸ ͋·Γ࢖ͬͯͳ͍͔΋͠Εͳ͍"1* ͷ஌ࣝ w 3VCP$PQͷअಓͳ࢖͍ํ

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4VO ۀ຿ͰʂRubyΛʂ  ΩϝΔʂ ෋ࢁ3VCZձٞ ˏ෋ࢁࠃࡍձٞ৔େखொϑΥʔϥϜ Active Record, CSV, and RuboCop ,PJDIJ*50&4. *OD

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͝ଘ஌ʜͰ͔͢ʁ ۀ຿ͱ&YDFM͸ ͣͬͱ༑ୡͩΑʜ

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ػೳ࣮૷Ͱͳ͍ۀ຿͓୊ྫ w σʔλϕʔεεΩʔϚͷҰཡͷ &YDFM͕ཉ͍͠ w ಛఆͷҙຯ߹͍ͷ͋ΔΧϥϜʹ͸  ϚʔΩϯά͕ཉ͍͠ w TDIFNBSC΍%%-ͷϑΥʔϚοτ Ͱ͸ͳ͘ॴఆͷ&YDFMϑΥʔϚοτ Ͱཉ͍͠ w ࠓिதʹཉ͍͠

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ਅ࣮ɿ༏Εͨιϑτ΢ΤΞɾ ΤϯδχΞϦϯάʹԊͬͯϓϩ άϥϜΛ։ൃ͢Δͱɺอक͸ݮ Βͣɺ͔͑ͬͯ૿͑Δɻ ιϑτ΢ΣΞΤϯδχΞϦϯά ιϑτ΢ΣΞ։ൃͷਅ࣮ͱͷ΢ι ϩόʔτɾ-ɾάϥε

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ੵΈॏͳΔσʔλϕʔεεΩʔϚ w ੵΈॏͳΔεΩʔϚఆٛʹΑͬͯɺ  ςʔϒϧҎ্ ΧϥϜ Ҏ্ w ͜ΕΛॴఆͷϑΥʔϚοτʹͯ͠ &YDFMఏग़

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৬ਓͷஆ͔ͳख࡞ۀ͸٧Ή w ॻ͘ͷ΋ϨϏϡʔ͢Δͷ΋͠ΜͲ͍ w Ծʹ෼Ͱ࡞੒ͯ͠ɺਓ͕෼͔͚ͯ  ϨϏϡʔ͢Δͱ෼ͷूதྗ͕ඞཁ w ϚϯύϫʔۀͰർΕͯͦͷ೔͕ऴΘΔ

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"XBZPG&4. *OD

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Ͳ͏͢Ε͹ಘҙྖҬʹͳΔ͔ߟ͑Δ w ΫϥΠΞϯτ͕ཉ͍͠΋ͷ͸ɺ7JFX ࠐΈͷ&YDFMγʔτͳͷ͔ʁ&YDFM γʔτʹ૊ΈࠐΉσʔλͳͷ͔ʁ w ϚΫϩ͕૊·Ε֦ͨுࢠYMTNͰ͋Ε ͹ͱ΋͔͘ɺϚΫϩͳ͠Ͱ͋Ε͹߲໨ ॱʹྻڍͨ͠$47Ͱௐ੔ΛࢼΈͯΈΔ w ຊฤʹొ৔͠ͳ͍͕ཁ݅࣍ୈͰ SVCZ9-΍TQSFBETIFFUͱ͍ͬͨ HFN͕ొ৔

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&YDFM͸$47ͷϥούʔ ͷͱ͖͕͋Δ

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ୡਓϓϩάϥϚʔ΁ͷجૅٕज़ ςεςΟϯά %FWFMPQFS5FTUJOH ࣗಈԽ 1SPKFDU"VUPNBUJPO όʔδϣϯ؅ཧ 7FSTJPO$POUSPM

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$47ੜ੒εΫϦϓτΛ࡞Δ w 3FWJFXBCMF ϨϏϡʔՄೳ w 3VOOBCMF ࣮ߦՄೳ w 3FQFBUBCMF ࠶࣮ߦՄೳ w 3FQSPEVDJCMF ࠶ݱՄೳ w 'SPN(VUTUP'VO

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࿩ͷத֩

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֯୩ޠ࿥

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ίʔυΛॻ͘લʹු͔ΜͩΞΠσΞ w "DUJWF3FDPSEΛ࢖ͬͯ  σʔλϕʔεεΩʔϚ৘ใΛݩʹ $47Λ࡞੒͢Δ w 3VCP$PQΛ࢖ͬͯ  ECTDIFNBSCΛݩʹ  $47Λ࡞੒͢Δ w ͙͢ු͔Μͩͷ͸͜ͷೋ୒

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݁࿦Λઌʹ w "DUJWF3FDPSEͰ͸ͳ͘ 3VCP$PQΛ࢖࣮ͬͨ૷Λͨ͠ w ECTDIFNBSC͸σʔλϕʔεͱ ಉظͯ͠ϦϙδτϦʹೖΕ͍ͯΔ w σʔλϕʔεʹܨ͛ͣʹ࣮ߦͰ͖Δ w ΫϦςΟΧϧͳ΋ͷͰ͸ͳ͍ͷͰɺ "45ϓϩάϥϛϯάͷՄೳੑΛࢼ͠ ͯΈΑ͏ͱࢥͬͨ

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͋ͱ͔Βࢥ͑͹TFEίϚϯυ Λ࢖͑͹ྑ͔ͬͨΑ͏ͳؾ͕ ͢ΔͷͰ͕͢ɺͦΕͩͱ࿩͕ ऴΘͬͯ͠·͏ͷͰࠓ೔ͷͱ ͜Ζ͸3VCZͰͻͱͭ ݁࿦Λઌʹ

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"DUJWF3FDPSEͰͷ࣮૷Ҋ w ίʔυʹ͠ͳ͔ͬͨҊ͕ͩͲ͏͍ͬͨ͜ͱΛߟ ͍͔͑ͯͨ౰࣌ͷࢥߟΛμϯϓ͢Δ w ࠷ॳͷൃ૝Ͱɺաڈʹ࡞ͬͨ(FNͷ࣮૷Λݩ ʹߟ͑ͯΈ࣮ͨ૷Ҋ

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4DSFBNFSTHFN w ೥͘Β͍લʹ࡞ͬͨΧϥϜܕҠߦͷ HFN w 3BJMTͰͷ0SBDMFͰ%"5&ܕ ͔Β5*.&45".1ܕʹมߋ͞Εͨͱ ͖ʹ࡞ͬͨ w 3BJMTͰJEΧϥϜ͕JOUFHFSܕ͔Β  CJHJOUܕʹͳͬͨέʔεʹ΋࢖͑Δ͔΋ w 0SBDMF͸/6.#&3ܕͳͷͰෆ࢖༻

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શ෦Λ஌Δඞཁ͸ͳͯ͘ $47Λߏ੒͢Δςʔϒϧ ໊ͱΧϥϜ໊ΛಘΔ෦෼ ΛݟͯΈΔ ໨త͸ςʔϒϧ໊ͱΧϥϜ໊ΛಘΔ͜ͱ

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IUUQTHJUIVCDPNLPJDTDSFBNFSTCMPCWMJCTDSFBNFSTDPMVNO@DPMMFDUPSSC $PSF

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ղઆ

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IUUQTHJUIVCDPNLPJDTDSFBNFSTCMPCWMJCTDSFBNFSTDPMVNO@DPMMFDUPSSC AR::Base.connection.tables Ͱςʔϒϧ໊ͷҰཡΛऔಘ͢Δ

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IUUQTHJUIVCDPNLPJDTDSFBNFSTCMPCWMJCTDSFBNFSTDPMVNO@DPMMFDUPSSC ςʔϒϧ໊Λeach_with_object ͢Δ

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IUUQTHJUIVCDPNLPJDTDSFBNFSTCMPCWMJCTDSFBNFSTDPMVNO@DPMMFDUPSSC "table_names".classifyͰ  Ϋϥε໊ͷจࣈྻΛऔಘ͢Δ

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IUUQTHJUIVCDPNLPJDTDSFBNFSTCMPCWMJCTDSFBNFSTDPMVNO@DPMMFDUPSSC Module.const_get(class_name) ͰΫϥε໊ͷఆ਺Λऔಘ͢Δ

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IUUQTHJUIVCDPNLPJDTDSFBNFSTCMPCWMJCTDSFBNFSTDPMVNO@DPMMFDUPSSC Model.columns.map(&:name)  ͰΧϥϜ໊ͷҰཡΛऔಘ͢Δ

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$47Λ૊ΈཱͯΒΕΔ  ؾ͕͠·͢ΑͶʁ

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͋ͱ͸खΛಈ͔͚ͩ͢ ͳͷͰɺ͜ͷ͋ͨΓͰ ଞͷҊΛߟ͑ͯΈΔ

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3VCP$PQͰͷ࣮૷Ҋ w ೔ࠒϝϯςφϯε͍ͯ͠Δ044ͷ஌ݟΛݩʹ ߟ͑ͯΈ࣮ͨ૷Ҋ w 3VCP$PQͷ"45΁ͷΠϕϯτυϦϒϯΛ  ར༻ͨ͠3VCP$PQͷࣼΊ্ͷ࢖͍ํ  अಓฤ

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ਖ਼ಓͱअಓ w ਖ਼ಓͱͳΔ3VCP$PQͷ࢖͍ํ͸"45ΛḷΓ ͭͭɺॴఆͷϧʔϧʹԊͬͨίʔσΟϯά͕͞ Ε͍ͯͳ͚Ε͹ܯࠂΛొ࿥͢Δ"1*Λݺͼग़͢ w ࠓճͷअಓฤͰ͸"45ΛḷΓͭͭॴఆͷϊʔ υͱͦͷ஋Λݕग़ͨ͠ΒɺϑΝΠϧγεςϜ΁ ͷॻ͖ࠐΈͱ͍͏෭࡞༻Λ࢖ͬͨࣼΊ্ͷ׆༻

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$47Λߏ੒͢Δ ςʔϒϧ໊ͱΧϥϜ໊ ΛಘΑ͏ ॳ৺๨Δ΂͔Βͣ

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%BUB 4USVDUVSFT "MHPSJUINT

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%BUB 4USVDUVSFT

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σʔλߏ଄ΛಘΔ w σʔλߏ଄ʹର͢ΔΞϧΰϦζϜΛ ߟ͑Δॳखͱͯ͠ɺ  ECTDIFNBSCͷ"45ΛಘΔ w "45ͷσʔλߏ଄Λݟͯɺςʔϒϧ ໊ͱΧϥϜ໊͕Ͳͷϊʔυʹଘࡏ͠ ͍ͯΔ͔֬ೝ͢Δ

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·ͣECTDIFNBSC Λύʔε͠·͢ % ruby-parse db/schema.rb

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%&.0

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ECTDIFNBSC ActiveRecord::Schema.define( version: 2018_11_23_153926 ) do create_table "articles", force: :cascade do |t| t.integer "author_id", null: false t.string "title", null: false t.datetime "created_at", null: false t.datetime "updated_at", null: false end end

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ECTDIFNBSCͷ"45 s(:block, s(:send, s(:const, s(:const, nil, :ActiveRecord), :Schema), :define, s(:hash, s(:pair, s(:sym, :version), s(:int, 20181123153926)))), s(:args), s(:block, s(:send, nil, :create_table, s(:str, "articles"), s(:hash, s(:pair, s(:sym, :force), s(:sym, :cascade)))), s(:args, s(:arg, :t)), s(:begin, s(:send, s(:lvar, :t), :integer, s(:str, "author_id"), s(:hash, s(:pair, s(:sym, :null), s(:false)))), s(:send, s(:lvar, :t), :string, s(:str, "title"), s(:hash, s(:pair, s(:sym, :null), s(:false)))), s(:send, s(:lvar, :t), :datetime, s(:str, "created_at"), s(:hash, s(:pair, s(:sym, :null), s(:false)))), s(:send, s(:lvar, :t), :datetime, s(:str, "updated_at"), s(:hash, s(:pair, s(:sym, :null), s(:false)))))))

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ղઆ

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"DUJWF3FDPSE4DIFNBEFpOF WFSTJPO@@@ s(:block, s(:send, s(:const, s(:const, nil, :ActiveRecord), :Schema ), :define, s(:hash, s(:pair, s(:sym, :version), s(:int, 20181123153926)))), s(:args),

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DSFBUF@UBCMFBSUJDMFT GPSDFDBTDBEFEPcUc s(:block, s(:send, nil, :create_table, s(:str, "articles"), s(:hash, s(:pair, s(:sym, :force), s(:sym, :cascade)))), s(:args, s(:arg, :t)), CMPDLΛϒϩοΫҾ਺Uͱ Ұॹʹड͚औΔ DSFBUF@UBCMFϝιουΛ ఆٛͨ͠CMPDLϊʔυ )FSF

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UJOUFHFSBVUIPS@JE OVMM GBMTF s(:begin, s(:send, s(:lvar, :t), :integer, s(:str, "author_id"), s(:hash, s(:pair, s(:sym, :null), s(:false)))), UJOUFHFS UTUSJOH ͱ͍ͬͨΧϥϜఆٛͷTFOE ϊʔυΛଋͶͨCFHJOϊʔυ )FSF

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UTUSJOHUJUMF OVMMGBMTF s(:send, s(:lvar, :t), :string, s(:str, "title"), s(:hash, s(:pair, s(:sym, :null), s(:false)))), ͜ΕΒϩʔΧϧม਺U΁ͷ ϝιουݺͼग़͠Λද͢ TFOEϊʔυ͕ଓ͘

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ECTDIFNBSC ࠶ܝ ActiveRecord::Schema.define( version: 2018_11_23_153926 ) do create_table "articles", force: :cascade do |t| t.integer "author_id", null: false t.string "title", null: false t.datetime "created_at", null: false t.datetime "updated_at", null: false end end

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% ruby_ast_visualizer db/schema.rb

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"MHPSJUINT

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SEQBSUZDPQΛ࣮૷

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w 3VCP$PQʹ͸3VCP$PQࣗମͷ ಺෦ϧʔϧΛऔΓక·Δ෦ॺ͕͋Δ JOUFSOBMBGGBJSTʜ಺੓ɺࠃ಺ࣄ৘ ͲͷσΟϨΫτϦʹ഑ஔ͢Δʁ )FSF

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ͲͷσΟϨΫτϦʹ഑ஔ͢Δʁ w 3VCP$PQࣗମͷ಺෦ϧʔϧʹ͍ͭ ͯऔΓక·Δ෦ॺ໊Λഈआͯ͠Έͨ w 3BJMTΞϓϦͰ΋ಉ༷ʹ3BJMTSPPU ௚ԼͷMJCσΟϨΫτϦʹ഑ஔ͍ͯ͠ Δ w ڞ༗ϥΠϒϥϦͱͯ͠நग़ͯ͠ଞϓϩ δΣΫτͰͷར༻΋ݕ౼Ͱ͖Δ͜ͱ͔ ΒMJC͸ѱ͘ͳ͍બ୒ͩͱࢥ͍ͬͯΔ

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$PQΫϥεΛܧঝ͢Δ module RuboCop module Cop module InternalAffairs class SchemaToCsv < Cop end end end end HFNSVCPDPQ  ͳͲͰ3VCP$PQΠϯεί ͞ΕͯΕ͹࢖͑Δ"1*

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PO@YYYͰର৅ϊʔυΛϋϯυϦϯά module RuboCop module Cop module InternalAffairs class SchemaToCsv < Cop def on_block(node) end end end end end

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DSFBUF@UBCMFϝιουͷΈର৅ def on_block(node) table = node.children.first # Get table node return if table.method_name == :create_table

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DSFBUF@UBCMFϝιουͷΈର৅ def on_block(node) table = node.children.first return unless table.method_name == :create_table Ұக

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DSFBUF@UBCMFϝιουͷΈର৅ def on_block(node) table = node.children.first return unless table.method_name == :create_table Ұக ෆҰக

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ςʔϒϧ໊Λऔಘ͢Δ def on_block(node) table = node.children.first return unless table.method_name == :create_table table_name = table.first_argument.str_content

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ΧϥϜϊʔυΛऔಘ͢Δ def on_block(node) table = node.children.first return unless table.method_name == :create_table table_name = table.first_argument.str_content columns = node.children.detect(&:begin_type?)

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$47Λ։͘ columns = node.children.detect(&:begin_type?) CSV.open('tmp/schema.csv', 'a') do |csv| end

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ΧϥϜϊʔυΛFBDI͢Δ columns = node.children.detect(&:begin_type?) CSV.open('tmp/schema.csv', 'a') do |csv| columns.child_nodes.each do |column| end end

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JOEFYͩͬͨΒεΩοϓ͢Δ columns = node.children.detect(&:begin_type?) CSV.open('tmp/schema.csv', 'a') do |csv| columns.child_nodes.each do |column| next if column.method_name == :index end end

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ΧϥϜ໊ΛಘΔ columns = node.children.detect(&:begin_type?) CSV.open('tmp/schema.csv', 'a') do |csv| columns.child_nodes.each do |column| next if column.method_name == :index column_name = column.first_argument.str_content end end

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͋ͱ͸$47ʹ͍͍ײ͡ʹग़ྗ͢Δ columns = node.children.detect(&:begin_type?) CSV.open('tmp/schema.csv', 'a') do |csv| columns.child_nodes.each do |column| next if column.method_name == :index column_name = column.first_argument.str_content write_csv_row(csv, table_name, column_name) end end

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$47Λ૊ΈཱͯΒΕΔ  ؾ͕͠·͢ΑͶʁ

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w SFRVJSFͱPOMZΦϓγϣϯ % bundle exec rubocop \ --cache false --require ./lib/rubocop/cop/ internal_affairs \ --only InternalAffairs/ SchemaToCsv \ db/schema.rb > /dev/null ͓·͚ ࣮ߦͷ౾஌ࣝ

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w ීஈ͸ࢦఆෆཁͳDBDIFΦϓγϣϯ % bundle exec rubocop \ --cache false --require ./lib/rubocop/cop/ internal_affairs \ --only InternalAffairs/ SchemaToCsv \ db/schema.rb > /dev/null ͓·͚ ࣮ߦͷ౾஌ࣝ --cache falseʹ͠ͳ͍ͱҰ౓ ղੳͨ͠db/schema.rbʹ͍ͭͯ ͸Ωϟογϡ͞Εͯॲཧ͞Εͳ͍ (΍͍ͬͯΔ͜ͱ͕अಓͳূ͔΋)

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෣୆ཪͱͦͷޙ w JEΧϥϜ͸ग़ྗ͞Ε͍ͯͳ͍ͷͰɺ DSFBUF@UBCMFUBCMF@OBNF JEGBMTFҎ֎͸ରԠ͓ͯ͘͠ඞཁ ͕͋Δ w ࣗಈԽੜ੒ͨ͠ϑΝΠϧʹɺखಈม ߋΛೖΕΔͱࣗಈԽෆೳʹͳΔͷͰ ͦͷ͋ͨΓ͸ؔ܎ऀͱཁௐ੔

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ۀ຿Ͱʂ3VCZΛʂΩϝΔʂ w 伱͋Β͹3VCZΛΩϝΔਫ਼ਆ w ࣗ෼ͷ࢓ࣄΛ଀Ήʹ͸ਓੜ͸༨Γʹ ΋୹͍ w ΦϨͬͯ͹͛͢ʔײΛಘΔ w 3VCZΛΩϝΔͱؾ͍͍࣋ͪ w 伱͋Β͹3VCZΛΩϝΔਫ਼ਆ

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