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エンジニア向けSaaSを支えるInfrastructure as Code
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Kazuma Watanabe
July 03, 2016
Programming
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エンジニア向けSaaSを支えるInfrastructure as Code
YAP(achimon)C::Asia Hachioji 2016 Day2
Kazuma Watanabe
July 03, 2016
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Transcript
ΤϯδχΞ͚SaaSΛࢧ͑Δ Infrastructure as Code YAP(achimon)C::Asia Hachioji 2016 Day2
ࣗݾհ • ᬒҰਅ (@wata727_) • Engineer in Actcat, Inc. ΠϯϑϥدΓαʔόαΠυ
࠷ॳʹ
ཧͱݱ࣮
ImmutableͰ͋Δ͜ͱͷ͠͞ • ࠷ॳImmutable Infrastructureʹ͍ͭͯτʔ Ϋ͢ΔͭΓͩͬͨ • ࣮ݱ͢ΔͨΊʹ՝͕ଟ͗ͨ͢ʢޙड़ʣ
ΤϯδχΞ͚ SaaS
SideCI
SideCI ࣗಈίʔυϨϏϡʔ
GitHub࿈ܞ
https://github.com/integrations/sideci
ࠓͷ͓ • SideCIͷAWSҠߦࣄྫ • Πϯϑϥͷӡ༻ํࣜΛબͨ͠ • ࣮ݱ͢ΔͨΊͷInfrastructure as Code
AWSͷҠߦ
Ҏલͷߏ
ϋΠϒϦοτΫϥυߏ • AWS + GCP • VPNͰଓͯ͠ωοτϫʔΫΛߏங • ҰํͷϕϯμʔͷোͰαʔϏε͕མͪΔ͜ ͱ͕͋ͬͯɺҰຊԽ͍ͨ͠ͱ͍͏͕͋ͬͨ
Ҡߦͷ՝
ߏཧ͞Ε͍ͯͳ͍ • Ҿ͖ܧ͕Εͨखॱॻ.mdͷΈ • νʔϜ͕εέʔϧ͢ΔͱଐਓԽͷΛট͖ ͦ͏ͱ͍͏ผͷ… • ԿΒ͔ͷࣗಈԽ͕ඞཁ
ߏཧ͞Ε͍ͯͳ͍ • Ҿ͖ܧ͕Εͨखॱॻ.mdͷΈ • νʔϜ͕εέʔϧ͢ΔͱଐਓԽͷΛট͖ ͦ͏ͱ͍͏ผͷ… • ԿΒ͔ͷࣗಈԽ͕ඞཁ Infrastructure as
Code ΛΔͧʂʂ
Πϯϑϥͷ ӡ༻ํࣜͷબ
Ͳ͏ͬͯίʔυԽ͢Δ͔ • ·ͣΠϯϑϥɺσϓϩΠͷཧɺӡ༻ΛͲ ͏͢Δ͖͔ߟ͔͑ͯΒɺπʔϧΛબ͢Δ • PushܕɺPullܕɺImmutable…
Pushܕ
Pushܕͷӡ༻ɺσϓϩΠ • ΫϥΠΞϯτ͔Β֤αʔόʹϛυϧΣΞม ߋΞϓϦέʔγϣϯͷσϓϩΠΛSSHܦ༝ ͳͲͰߦ͏ • Ansible, Itamae, CapistranoͳͲ
Pushܕͷӡ༻ɺσϓϩΠ
Pushܕͷӡ༻ɺσϓϩΠ
ϝϦοτͱσϝϦοτ • ΫϥΠΞϯτͷΈͰಈ࡞͢ΔͷͰαʔόଆʹ ઃఆ͕ෆཁͰཧָ͕ • αʔόͷ͕ଟ͔ͬͨΓɺΦʔτεέʔϦ ϯάͰ૿ݮ͢Δͱద༻͕͘͠ͳΔ
Pullܕ
Pullܕͷӡ༻ɺσϓϩΠ • ֤αʔό͕ࣗͰඞཁͳϛυϧΣΞɺΞϓ ϦέʔγϣϯͷมߋΛࣗࣗʹద༻͢Δ • Chef, AWS CodeDeploy, StretcherͳͲ
Pullܕͷӡ༻ɺσϓϩΠ
Pullܕͷӡ༻ɺσϓϩΠ
Pullܕͷӡ༻ɺσϓϩΠ
ϝϦοτͱσϝϦοτ • ֤αʔό͕Λ࣋ͭͷͰεέʔϧ͢ΔɺΦʔ τεέʔϦϯάͰવͳ͠ • ֤αʔόʹର͢ΔݩͱͳΔαʔό͕SPOF ʹͳΓ͕ͪͳͷͰɺԽͳͲߟ͑Δͱϝϯ ςφϯείετ͕ߴ͍
Immutable
Immutableͳӡ༻ɺσϓϩΠ • ֤αʔό࠷ॳ͔ΒมߋࡁΈͰɺมߋΛཁ͢ Δ߹ʹαʔό͝ͱഁغ͢Δ • ؔ࿈πʔϧPacker, DockerͳͲ
Immutableͳӡ༻ɺσϓϩΠ
Immutableͳӡ༻ɺσϓϩΠ
ϝϦοτͱσϝϦοτ • ֤αʔόશʹෳՄೳͰɺϩʔϧόοΫ ͕༰қʢBlue-Green Deployʣ • ΰʔϧσϯΠϝʔδͷੜίετ͕ߴ͍
Immutableͳ ํࣜͷ࠾༻
ΰʔϧσϯΠϝʔδͷϏϧυ • αʔϏεΠϯՄೳͳϚγϯΠϝʔδΛ PackerͰϏϧυ͢Δ • αʔϏεΠϯՄೳͰ͋Δ͜ͱPackerͷϏϧ υͷ࠷ޙʹServerspecΛ࣮ߦͯ͠୲อ͢Δ
ImmutableͳσϓϩΠ • ৽͍͠ϚγϯΠϝʔδ͝ͱʹαʔόΛBlue- GreenతʹೖΕସ͑Δ • TerraformʹΑΔαʔό࠶ஔͷࣗಈԽ • طଘͷϦιʔεTerraformingͰநग़
αʔόߏஙϑϩʔ QBDLFSCVJMETFSWFSKTPO
QBDLFSCVJMETFSWFS KTPO Server ݩʹͳΔ αʔόͷىಈ αʔόߏஙϑϩʔ
αʔόߏஙϑϩʔ QBDLFSCVJMETFSWFS KTPO Server αʔόΛߏங QSPWJTJPOFST< \ UZQFTIFMM FYFDVUF@DPNNBOE\\7BST^^TVEP&CBTIF
\\1BUI^^\\VTFSAFOWJSPONFOUA^^ TDSJQUT< TDSJQUTSPPU@VQHSBEFTI TDSJQUTSPPU@JOTUBMMTI > ^ ʜ
αʔόߏஙϑϩʔ QBDLFSCVJMETFSWFS KTPO Server 4FSWFSTQFDͰ ಈ࡞ςετ
αʔόߏஙϑϩʔ QBDLFSCVJMETFSWFS KTPO Server Machine Image αʔό͔ΒϚγϯ ΠϝʔδΛநग़
αʔόߏஙϑϩʔ QBDLFSCVJMETFSWFS KTPO Machine Image αʔόΛআ
αʔόߏஙϑϩʔ UFSSBGPSNBQQMZ Machine Image
αʔόߏஙϑϩʔ UFSSBGPSNBQQMZ Machine Image ݩʹͳΔϚγϯ ΠϝʔδΛࢦఆ
αʔόߏஙϑϩʔ UFSSBGPSNBQQMZ Machine Image Security Group ༻͢ΔηΩϡϦςΟ άϧʔϓΛࢦఆ
αʔόߏஙϑϩʔ UFSSBGPSNBQQMZ Machine Image Security Group Server ͦΕͧΕͷઃఆ͔Β αʔόΛىಈ
ൃੜ
ΠϝʔδͷϏϧυ͕͗͢Δ • 30͘Β͍͔͔Δ • σϓϩΠͷ͕2ˠ30ʙͱ͔ʹͳΔ • ϦϦʔεʹର͢Δ߅ײͷ૿େ
σϓϩΠ͚ͩPushܕʹ • σϓϩΠैདྷ௨ΓCapistrano • ϛυϧΣΞมߋ࣌ͷΈϚγϯΠϝʔδΛߋ ৽͢ΔΑ͏ʹมߋ
Ҡߦ࡞ۀͷ࣮ࢪ
ҠߦͷྲྀΕ • ฒྻͰࣄલʹϓϩμΫγϣϯڥΛՔಇͤ͞ ͓ͯ͘ʢNOT εςʔδϯάʣ • ՄೳͳݶΓɺELBͱRoute53ͷΓସ͚͑ͩͰ τϥϑΟοΫͷྲྀΕΛมߋ͢ΔΑ͏ʹ͢Δ
Ҡߦલ
Ҡߦޙ
ແࣄྃ
Infrastructure as CodeΛಋೖ͢Δ ͱ͍͏͜ͱ
ָͳӡ༻Λߟ͑Δ • ྫ͑ɺΠϝʔδͷϏϧυʹ͕͔͔࣌ؒΓ͢ ͗ͨΓɺϏϧυͷͨΊʹෳࡶͳڥΛߏங͢ Δඞཁ͕͋Δͱɺͳ͔ͳ͔ਁಁ͠ͳ͍ • ·ͩ·ͩվળͷ༨͋Γ…
نʹ͋ͬͨํ๏ΛબͿ • AutoScalingΛඞཁͱ͠ͳ͍গͷαʔόͳΒ PushܕͰेͳ͜ͱ͋Δ • ͦΕͧΕʹదͨ͠πʔϧ͕͋ΔͷͰɺྲྀߦΓ ഇΓʹΘ͞Εͳ͍
Thank you!