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DevOps for beginners
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Kohei Ota
June 30, 2018
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DevOps for beginners
Kohei Ota
June 30, 2018
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Transcript
DevOps ͜ͱ͡Ί(ॳڃฤ) At Πϯϑϥษڧձ Presented by inductor
͋͐͡Μͩ ࣗݾհ DevOpsͱ ·ͱΊ
ࣗݾհ inductor (Twitter: @_inductor_) Z◦Z◦φϯτΧ͍ͬͯ͏ձࣾͷ ΠϯϑϥΤϯδχΞ(AWS) աڈͷ৬Ͱ։ൃɾӡ༻ͷ ܦݧ͋Γ
DevOpsͬͯͳ͋ʹʁ
ࠓ͜Ε͚֮ͩ͑ͯؼ͍ͬͯͩ͘͞
DevOpsจԽʂʂʂ
ʁʁʁ
ࡢࠓͷITۀքʹ͓͚Δମ࣭ͷมԽ ΞϓϦέʔγϣϯΠϯϑϥͷ։ൃεΩʔϜ͕มԽͭͭ͋͠Δ ύοέʔδΛ1͖ΓͰͯ͠ऴΘΓͰࡁ·ͳ͍͜ͱ͕૿͖͑ͯͨ ITͷਐԽͷʹ͑͏ΔΑ͏ʹ͍ͨ͠(e.g. ੬ऑੑରԠ, ػೳՃ etc) ΞδϟΠϧͳ։ൃΛऔΓೖΕΔۀքɾϏδωε͕૿͑ͨ Ϗδωεʹର͢Δεϐʔυײɺ৽͍͠ͷͰΞϐʔϧ͍ͨ͠ͱ͍͏ ϚʔέςΟϯάઓུతଆ໘ͳͲͷاըαΠυͷཁʹ͑ΒΕΔΈͮ͘Γ
ͭ·ΓɺΞϓϦ։ൃػೳՃ ༷มߋͳͲʹର͢Δ εϐʔυΛٻΊΒΕͯେมʂ
Πϯϑϥӡ༻ͷؾ͍࣋ͪͯΈ·͠ΐ͏
ӡ༻ʹେ͖ͳෛ୲͕ൃੜ͢Δ ӡ༻ͷۀʮʑͷ࡞ۀʯΛԁʹਐΊΔ͜ͱ มԽ͕͋Δͱ࡞ۀऀͷίετ্͕͕ͬͯ͠·͏ ࡞ۀ༰ɺ༷มߋʹର͢ΔϚχϡΞϧͳͲͷυΩϡϝϯτͷै σϓϩΠ࡞ۀ͕िʹ1ճʁͳΊͯΜͷʁ ͦͦӡ༻ʹίετ͔͚ͨ͘ͳ্͍ͬͯͷਓୡ͕ݴ͏͔Βͦ͜ɺ ʑͷۀͷͨΊʹͦͦ͜͜ΪϦΪϦͷίετͰճͯ͠ΔΜͰ͕͢
ӡ༻ɺʑͷۀΛ ҆શʹ͜ͳ͍ͨ͠ʂ ༨ܭͳมԽɺ ۃྗՃ͑ͳ͍Ͱཉ͍͠ʂ
όνόνͯ͠·͢Ͷ
Ͱͬͯʁ
։ൃӡ༻ͷຊདྷͷతΛߟ͑Δ ։ൃɺʮՁʯΛʮ࡞Γଓ͚Δ͜ͱʯʹҙຯ͕͋Δ ӡ༻ɺʮՁʯΛʮಧ͚ଓ͚Δ͜ͱʯʹҙຯ͕͋Δ ͲͪΒɺϏδωεʹԠ͑ΔͨΊͷखஈͰ͋Δ ӡ༻։ൃɺຊདྷͷతಉ͡ͳΜͰ͢ʂ
ͦ͜ͰZOZOSUITDevOpsͰ͢Α
DevOpsͬͯͳ͋ʹʁ
DevOpsͰΑࣖ͘ʹ͢Δݴ༿ ΞδϟΠϧ։ൃ ϚΠΫϩαʔϏεΞʔΩςΫνϟ Ϋϥυ Infrastructure as Code ߏཧ ࣗಈԽ CI/CDύΠϓϥΠϯ
ϩάɾσʔλͷՄࢹԽ
DevOpsͱ ϏδωεͷՁΛސ٬ʹಧ͚ΔͨΊʹɺʮ։ൃ(Dev)ʯͱʮӡ༻(Ops)ʯ͕ Ұؙͱͳͬͯಈ͜͏ͱ͢ΔҰͭͷߟ͑ํ ۩ମతʹڠྗ͠߹͏͜ͱͰɺνʔϜײͰੜ͡ΔຎࡲΦʔόʔϔου ΛݮΒͨ͢Ίʹಈ͘͜ͱΛࢦ͢ ʮ۩ମతͳʯఆٛͳ͍ ͜͜10ऑͰɺେମͷΈ͕ܾ·Γͭͭ͋Δ
DevOpsʹΑ͋͘Δצҧ͍ DevOps۩ମతͳख๏Ͱͳ͍ CI/CDɺίϯςφɺΫϥυͳͲΛಋೖ͢Δʹʮ४උʯ͕ඞཁ ͍͖ͨͩͳΓಥͬࠐΜͰͤʹͳΕͳ͍ ͨͩͷແܭըͳࣗಈԽଐਓԽΛੜΉͷͰةݥ ൿͷλϨࣗಈԽεΫϦϓτ
DevOpsΛཧղͨ͠ਓ͕ɺ৫νʔϜͷ ΈΛগͣͭ͠ม͍͑ͯ͘ඞཁ͕͋Γ·͢
1. ΞϓϦέʔγϣϯ։ൃͷΈΛม͑Δ
ϚΠΫϩαʔϏεΞʔΩςΫνϟ ܧଓతʹมߋΛՃ͑ΔͨΊʹɺΞϓϦέʔγϣϯઃܭॏཁ 1ίʔυͷมԽ͕10ݸͷΞϓϦʹӨڹ͢Δͷ ʮૄ݁߹ʯͰɺʮΛ͚ͨʯίʔυΛॻ͔ͳ͍ͱ͍͚ͳ͍ 1ϑΝΠϧͷindex.phpͰશͯΛॲཧ͢Δͷɾɾɾ ೝূपΓͳͲͷॲཧͪΌΜͱ࣮ͷ͋ΔϑϨʔϜϫʔΫΛ͏ͳͲͳͲ ύοέʔδཧγεςϜॏཁ
ςετΛॻ͜͏ ن͕େ͖͍΄Ͳɺςετͷنେ͖͘ͳΔ ਓతෛ୲Λগ͠ͰݮΒͨ͢ΊʹɺςετΛ͖ͪΜͱॻ͍ͯෆཁͳϛεΛݮΒͦ͏ ςετࣗಈԽʹΑͬͯʮશʹʯόάΛ͛ΔΘ͚Ͱͳ͍͕ɺجຊతͳϛεͷ େ෦͙͜ͱ͕Ͱ͖Δ ͩ͘Βͳ͍ϛεΛݮΒͯ͠ɺʮຊདྷͷۀʯʹूதͰ͖ΔΑ͏ʹ ςετͦͷͷΛॻ͘ίετ͔͔ΔͷͰɺΧόϨοδͲ͜·ͰऔΔ͔ όϥϯεେࣄ
GitͳͲͷόʔδϣϯཧγεςϜ ͳͲͱॻ͍͕ͨɺن͕େ͖͚Εେ͖͍΄ͲGitʹͨ͠΄͏͕͈́ ෳਓͰͷ։ൃΛ࠷ॳ͔Βҙࣝͨ͠ࢄܕͷόʔδϣϯཧγεςϜ ࣮: LinuxΧʔωϧɺओཁͳΞϓϦέʔγϣϯϑϨʔϜϫʔΫͷଟ͘ ʮ୭͕ʯʮ͍ͭʯʮͳΜͷͨΊʹʯมߋΛՃ͔͑ͨཤྺΛ͢ ͕͋ͬͨ߹ʹ؆୯ʹΓ͕͠Ͱ͖Δ GitHubɺGitHub Enterprise(ΦϯϓϨ༻)ɺGitLabɺGiteaͳͲ ͍Ζ͍ΖͳGitϗεςΟϯάαʔϏεͷબࢶ͋Δ
CIπʔϧΛಋೖ͠Α͏ Gitɺςετίʔυͱ࿈ܞͯ͠ɺίʔυʹมߋ͕Ճ͑ΒΕͨΒࣗಈͰςε τ͕ΔΑ͏ͳΈΛ࡞Δ͜ͱ͕Ͱ͖Δ ܧଓతΠϯςάϨʔγϣϯʹΑͬͯɺʮมߋѱͩʯͱ͍͏ؾ࣋ͪΛେ ෯ʹݮͤ͞Δ͜ͱ͕Ͱ͖Δ CIπʔϧ͕Δ࢟ΛΈ͍ͯΔͱ৺͕҆Β͔ʹͳΔ
2. ΞϓϦέʔγϣϯσϓϩΠͷΈΛม͑Δ
σϓϩΠͷࣗಈԽ CIπʔϧʹʮύΠϓϥΠϯʯʮϫʔΫϑϩʔʯͱ͍ͬͨػೳ͕͋Δ ͋Δಈ࡞Λ࣮ߦͤͯ͞ޭͨ͠Β࣍ͷॲཧʹߦ͘ͳͲ ςετ͕ͬͯͳ͚Ε։ൃڥʹσϓϩΠ͢Δɺͱ͔ ਓͷखʹΑΔԹ͔Έͷ͋ΔσϓϩΠ͔͔࣌ؒΔ͠ϛε͋Δ
3. ΠϯϑϥͷΈΛม͑Δ
Ϋϥυ vs ΦϯϓϨ ผʹΫϥυ͡Όͳ͍͍ͯ͘Μ͡ΌͶʢͳ΄͡ʣ ਖ਼ɺͳΜͷతͰͲ͜ʹίετΛ͖͍͔͕ͨ͞ॏཁͰ͔͠ͳ͍ DropboxΫϥυʹҠߦ͚ͨ͠Ͳ݁ہΦϯϓϨʹͨ͠Β͍͠ ͋ΔҰఆͷنΛ͑ΔͱɺΦϯϓϨͷ΄͏͕ίετԼ͕Δ ʢͱࢥ͏ʣ
Infrastructure as Codeͱߏཧ ߏཧͷࣗಈԽͱɺNWϚγϯͷཧΛίʔυϕʔεͰߦ͏͜ͱ AnsibleɺTerraformɺChefͳͲ͍Ζ͍Ζͳπʔϧ͕͋Δ ਓͷखʹΑΔԹ͔Έͷ͋ΔཧϚγϯͷௐୡʮۃྗʯආ͚͍ͨ ߏཧΛίʔυԽˠGitཧ͢Δ͜ͱͰԿ͕͍ͭߦΘΕ͔ͨ໌֬ʹ͢Δ ίϯςφԽɺΫϥυωΠςΟϒԽ͜Εͷ1ͭͷखஈͰ͔͠ͳ͍ ·ͣϩʔΧϧ։ൃڥͱݴͬͨখ͍͞ͱ͜Ζ͔Β͡Ί͍ͯ͘
ϩάͷՄࢹԽɾεέʔϦϯά ߏཧΠϯϑϥΛࣗಈԽ͢Δ͜ͱͰͰ͖Δ͜ͱʹͳΔ͜ͱͷ1ͭ εέʔϥϒϧͳߏʹͰ͖ΔͷͰɺՄ༻ੑ͕୲อ͍͢͠ ϩάΛՄࢹԽπʔϧʹ৯ΘͤΔ͜ͱͰϞχλϦϯάͷίετΛԼ͛Δ ՄࢹԽʹΑͬͯϢʔβʔ֤୲ऀͷಈ͖͕ಡΊΔΑ͏ʹͳΔ ͍Βͳ͍ػೳͷআɺύϑΥʔϚϯεվળͷͨΊͷେ͖ͳࢀߟࢿྉʹͳΔ ʢ͋Μ·Γͷৄ͍͠Ͱͳ͍ͷͰৄ͍͠ਓཔΜͩʣ
3. νʔϜͷߟ͑ํΛม͑Δ
มԽɺࠓ·ͰͷߏѱͰͳ͍ Α͘ੲͷߏʹจ۟Λݴ͏ਓ͕͍Δ͕ɺͦΕҧ͏ 10ޙʹࠓͷʮֵ৽తͳߟ͑ํʯͩͬͯϨΨγʔʹͳ͍ͬͯΔ͔ ࠓ·Ͱͷߏͷྑ͞Λ׆͔͠ͳ͕Βɺ৽͍͠ߏΛߟ͑Δ ਓߏܟҙΛͬͯࣄ͍ͨ͠
νʔϜϏϧσΟϯά Έ͕มΘΔͱ͍͏͜ͱɺਓͷߟ͑ํม͑Δඞཁ͕͋Δ ࣗಈԽѱɺมԽѱͩͱࢥ͍ͬͯΔਓͨͪʹมԽΛڧཁ͢Δͷ͍͠ ͳͥͦ͏͖͢ͳͷ͔ɺ͖ͪΜͱ্ʢ͞Βʹͦͷ্ʣͳͲަ͑ͯ ਅʹ࣌ؒΛॻ͚ͯٞ͢Δ֮ޛඞཁ ՄೳͰ͋ΕʑͷΠϯϑϥͱผͷ෦ୂΛ࡞ͬͯঃʑʹҠߦ͢Δͷ͕ ·͍͜͠ͱ͋ΔʢʑͷۀͷӨڹ͋ΔͷͰʣ
·ͱΊ
·ͱΊ DevOpsɺ։ൃ͕։ൃʹɺӡ༻͕ӡ༻ʹूத͢ΔͨΊʹޓ͍ʹ औΒͳ͚ΕͳΒͳ͍าΈدΓͷಈ͖ ܧଓతʹՁΛఏڙ͠ଓ͚Δ͖αʔϏε͔Ͳ͏͔ݟۃΊΔ ࣾʹཧղͯ͘͠ΕΔਓΛΊΔ ։ൃɾӡ༻ͷڠྗମ੍Λ࡞Δ طଘҊ݅ʹ͓͚ΔDevOps࣮ݱͷಓͷΓ͍
࠷ޙʹ͏Ұ
DevOpsจԽʂʂʂ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ