全リソースぶっ壊し回避のためのTerraform構成 / terraform-constitution

by VTRyo

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શϦιʔεͿͬյ͠ճආͷͨΊͷ 5FSSBGPSNߏ੒ *OGSB43&ɹ3ZP

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͸͡ΊΔલʹ ڧؾͳλΠτϧͰ͕ͨ͠ શϦιʔε͕͍͖ͳΓ ͿͬյΕΔ͜ͱ͸ ͋Γ·ͤΜʂ͆

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͸͡ΊΔલʹ Ͱ΋ɺ஌Βͳ͍ͱةͳ͍͜ͱ͕ ͋Δπʔϧ ϦεΫճආͳߏ੒Λ͝঺հ

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໨࣍ ٱʑʹٕज़తͳ࿩͠·͢ ɾࣗݾ঺հ ɾ5FSSBGPSNͬͯʁ ɾ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ ɾҰ೥ӡ༻ͯ͠Έͯͷ࿩

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͓લ JT ͩΕʁ ͬͦࣗ͘͞ݾ঺հ͍͘Αʔ

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8ܥͰָ͘͠΍͓ͬͯΓ·͢ ೥ͷ3ZP

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ָ͘͠ͳ͔ͬͨͱ͖ͷ࿩͸ͪ͜Β ͦΕ·Ͱͷ3ZP ɾTQBʲήετT@IWʳ ָ͍͠ɺۀ຿ޮ཰ԽېࢭͷϒϥοΫ4&4اۀ͔Βͷ୤ग़ ɾ4JFS࣍੥͚͔Β+PC$IBOHF

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ࠓ೔͸Πϯϑϥ͡Όͳ͍ਓ޲͚ʹ΋෍ڭͰ͖Δ͔ͳʂʁ 5FSSBGPSNJTԿʁ

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Πϯϑϥ͡Όͳ͍ਓ޲͚ʹ؆୯ʹ 5FSSBGPSNJTԿʁ ɾ"84ͳͲͷϦιʔεΛίʔυͰ؅ཧͰ͖Δ $MPVE͚ͩ͡Όͳ͘ɺ1BB4΍4BB4΋αϙʔτ

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Πϯϑϥ͡Όͳ͍ਓ޲͚ʹ؆୯ʹ 5FSSBGPSNJTԿʁ ɾ"84ͳͲͷϦιʔεΛίʔυͰ؅ཧͰ͖Δ ࠓճ͸"84Λ؅ཧͨ͠ͱ͖ͷ͓࿩

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ಋೖͷϝϦοτ͍Ζ͍Ζ 5FSSBGPSNJTԿʁ ޻਺࡟ݮ ਓҝతϛεճආ Ϧιʔεফ͠๨Ε๷ࢭ ίʔυԽ͞ΕͨΠϯϑϥʹ͸ɺ༷ʑͳϝϦοτ͕͋Δ

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"OTJCMF΍$IFGͱ͸Կ͕ҧ͏ʁ 5FSSBGPSNJTԿʁ 5FSSBGPSNͱ"OTJCMFͰ͸ಘҙͳϨΠϠʔ͕ҧ͏ʂ

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Ұ೥΋΍Δͱ͍Ζ͍Ζ͋Δ 5FSSBGPSNΛҰ೥ӡ༻ͯ͠Έͯͷ࿩

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Ұ೥΋΍Δͱ͍Ζ͍Ζ͋Δ 5FSSBGPSNΛҰ೥ӡ༻ͯ͠Έͯͷ࿩ ৽نߏங΋ Β͘Β͘ Ϧιʔε͕࠶࡞੒ʂʁ ॻ͚Δਓ͕গͳ͍ खಈͰ Ϧιʔεมߋ͢Δͳʂ ྑ͍͜ͱѱ͍͜ͱ͋Δ͚Ͳɺ5FSSBGPSN͸ϓϩάϥϚϒϧͩΑʂ

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৽نߏங΋Β͘Β͘ 5FSSBGPSNΛҰ೥ӡ༻ͯ͠Έͯͷ࿩ ͙͢ফͤΔ Կ౓Ͱ΋ಉ͡αʔόΛ ߏஙͰ͖Δ Ϧιʔεઅ໿ ςετͱͷ਌࿨ੑ ίʔυʹΑΔ؅ཧͷϝϦοτ͸ࣗಈԽ ؀ڥ૿ஙͳͲ΋εϐʔσΟʹͰ͖Δ

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ॻ͚Δਓ͕গͳ͍ 5FSSBGPSNΛҰ೥ӡ༻ͯ͠Έͯͷ࿩ ͍͍ͭͭ(6*Ͱ ΍Γ͕ͪ ֶशίετ Πϯϑϥઐ೚ऀ͸ ίʔυ͕ॻ͚ͳ͔ͬͨΓ νʔϜͰӡ༻Ͱ͖ͯ ॻ͚Δͱݴ͑Δ ͔͘ݴ͏ࢲ΋࠷ॳ͸ฉ͖ͳ͕Β࢝Ίͨ

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Ϧιʔε͕࠶࡞੒ʂʁ 5FSSBGPSNΛҰ೥ӡ༻ͯ͠Έͯͷ࿩ UFSSBGPSNUGTUBUFϑΝΠϧ ͷ؅ཧϛε 4(͕ফ͑ͨʂ ٯʹফ͍ͨ͠Ϧιʔε͕ ফ͑ͳ͍X

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खಈͰϦιʔεมߋ͢Δͳʂ 5FSSBGPSNΛҰ೥ӡ༻ͯ͠Έͯͷ࿩ ୭͔4(௥Ճͨ͠Ͱ͠ΐʂ ίʔυϝϯςͯ͠ͳ͍͠ ઃఆมߋͲ͜Ͱ͚ͨͬ͠

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͔ͭͯͷߏ੒ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ ͳΜͰͦΜͳ͜ͱ͕ى͖Δʁ

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͔ͭͯͷߏ੒ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ IUUQTHPPHM9)B#( ͱʹ͔͘ϝϯς͠ʹ͍͘ߏ੒

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ࠓ͸ͪ͜Β ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ ɾϝϯς͠΍͘͢ ɾΠϛϡʔλϒϧϦιʔεͱ /PUΠϛϡʔλϒϧϦιʔε ɾ؀ڥ͝ͱʹ෼͚Δ IUUQTHPPHM9)B#( ֤؀ڥ͝ͱʹ͔͠UFSSBGPSNBQQMZ͸ଧͨͳ͍ ˠʢϝϯςγ΍ؚ͢͞ΊͯʣϦεΫ෼ࢄʹͭͳ͕Δ

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࠷ॳ͔Β෼͚ͱ͚͹Α͔ͬͨͷͰ͸ʁ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ IUUQTHPPHM9)B#(

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͔ΜͨΜʹݴ͚ͬͨͲ݁ߏ෼͚Δͷେมͩͬͨ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ ɾଞͷσΟϨΫτϦͷม਺Λ ɹࢀরͰ͖ͳ͍໰୊ͱ͔ ɹʢPVUQVUUG͕ͳ͍ͱͩΊʣ IUUQTHPPHM9)B#(

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ͦͯ͜͠͏ͳͬͨ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ ɾTUH EFW͸DPNNPO ɹͷ71$*%Λࢀর͢Δ ɾPVUQVUUGͰ ɹࢀরՄೳʹͤ͞Δ IUUQTHPPHM9)B#( ɾม਺ϑΝΠϧͱ ɹϦιʔεϑΝΠϧ͸෼͚Δ

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ॳݟͩͱ΍΍ෳࡶʹݟ͑Δ໰୊ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ IUUQTHPPHM9)B#( 5FSSBGPSN͸+40/Λվ଄ͨ͠)$-ͱ͍͏ݴޠͰهड़

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ม਺ϑΝΠϧ͸؆ૉ͔ͭ%3:ʹ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ IUUQTHPPHM9)B#( .BQܕͰهड़ͨ͠ม਺ϑΝΠϧɻಡΈ΍͘͢ͶʁʢυϠ

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͔ͳΓϝϯςφϯε͠΍͘͢ͳͬͨʂ ࣮ࡍʹӡ༻͍ͯ͠Δߏ੒ IUUQTHPPHM9)B#( ϝϯς͠΍͢͞͸Ϧιʔεഁյͷճආʹ΋ͭͳ͕Δ

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Ϧιʔεഁյͱ͍͑͹UFSSBGPSNUGTUBUFϑΝΠϧ ͓·͚ʢͰ΋ॏཁʣ ɾCBDLFOEUG #BDLFOEUGʹTͰϑΝΠϧΛอ؅ͤ͞ΔઃఆΛهड़ ɾ4ͳͲϦϞʔτʹ ɹอ؅͢Δ IUUQTHPPHM9)B#( ɹ͜ͷϑΝΠϧ͕ϦιʔεΛ؅ཧɻ ɹ؅ཧΛଵΔͱϦιʔε͕ফ͑ͨΓ͢ΔͷͰཁ஫ҙ

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ͲΜͳߏ੒Λͱ͍͚ͬͯ͹ΑΓΑ͍͔ʁ ·ͱΊ IUUQTHPPHM9)B#( ϝϯςͷ͠΍͢͞͸ةݥΛະવʹ๷͗·͢ʂ ɾ؀ڥผʹ෼͚Δ ɾมߋΛ͠ͳ͍/PUΠϛϡʔλϒϧͳϦιʔε͸ผʹ͢Δ ɾUFSSBGPSNUGTUBUFͷ؅ཧΛ࣮֬ʹ͢ΔʢνʔϜ։ൃ͸ಛʹʣ ɾม਺͸.BQܕͰॻ͍ͨ΄͏͕ݟ΍͍͢ʂ

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શϦιʔεͿͬյ͠ճආͷͨΊͷ 5FSSBGPSNߏ੒ *OGSB43&ɹ3ZP ׬