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Before Chaos Engineering
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Hazumi Ichijo
May 20, 2019
Programming
1
850
Before Chaos Engineering
golang.tokyo#24
https://golangtokyo.connpass.com/event/129067/
Hazumi Ichijo
May 20, 2019
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Transcript
©2019 Wantedly, Inc. Chaos Engineeringͷ खલͷ golang.tokyo #24 May 20,
2019 - Hazumi Ichijo (rerost/hazumirr) ΞϓϦέʔγϣϯΤϯδχΞ͚ͩͰͰ͖Δ͜ͱ
©2018 Wantedly, Inc. ࣗݾհ Ұᑍ!IB[VNJSS!SFSPTU 4FSWFS4JEF&OHJOFFSJO8BOUFEMZ (P 3BJMT 3FBDUʜ ग़ւಓ
©2019 Wantedly, Inc. 1. αʔϏε͕ෆ҆ఆͳ࣌ɺͲΜͳӨڹ͕ͰΔ͔ 2. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ɺͲΜͳӨڹ͕ͰΔ͔
©2019 Wantedly, Inc. 1. αʔϏε͕ෆ҆ఆͳ࣌ɺͲΜͳӨڹ͕ͰΔ͔ 2. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ɺͲΜͳӨڹ͕ͰΔ͔ => Ѳ͍ͯ͠ΔͭΓ͕ͩͦΕຊ͔ʁ
©2019 Wantedly, Inc.
©2019 Wantedly, Inc. ͦ͏ͩChaos Engineeringͩ
©2019 Wantedly, Inc. ͦͦChaos Engineeringͱʁ
©2019 Wantedly, Inc. > ΧΦεΤϯδχΞϦϯάɺࢄγεςϜʹ͓͍ͯγεςϜ͕ෆ҆ ఆͳঢ়ଶʹ͑Δ͜ͱͷग़དྷΔڥΛߏங͢ΔͨΊͷݕূͷن https://principlesofchaos.org/?lang=JAcontent#
©2019 Wantedly, Inc. 1. Πϯελϯε͕μϯ͢Δ 2. DB͕٧·ΔɾΞΫηεͰ͖ͳ͘ͳΔɹ 3. ґଘ͢ΔଞͷαʔϏε͕ෆ҆ఆʹͳΔ etc…
ෆ҆ఆͳঢ়ଶͱ
©2019 Wantedly, Inc. 1. αʔϏε͕ෆ҆ఆͳ࣌ɺͲ͏͍ͬͨӨڹ͕ͰΔ͔ 2. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ɺͲΜͳӨڹ͕ͰΔ͔ Γ͍ͨ͜ͱ
©2019 Wantedly, Inc. αʔϏε͕ෆ҆ఆͳ࣌ ࣗͷαʔϏε 4FSWJDF" 4FSWJDF# 4FSWJDF$
©2019 Wantedly, Inc. ࣗͷαʔϏε 4FSWJDF" 4FSWJDF# 4FSWJDF$ αʔϏε͕ෆ҆ఆͳ࣌
©2019 Wantedly, Inc. ࣗͷαʔϏε 4FSWJDF" 4FSWJDF# 4FSWJDF$ αʔϏε͕ෆ҆ఆͳ࣌
©2019 Wantedly, Inc. ࣗͷαʔϏε 4FSWJDF" 4FSWJDF# 4FSWJDF$ αʔϏε͕ෆ҆ఆͳ࣌
©2019 Wantedly, Inc. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ ࣗͷαʔϏε ଞͷαʔϏε
©2019 Wantedly, Inc. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ ࣗͷαʔϏε ଞͷαʔϏε
©2019 Wantedly, Inc. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ ࣗͷαʔϏε ଞͷαʔϏε
©2019 Wantedly, Inc. ґଘ͢ΔαʔϏε͕ෆ҆ఆͳ࣌ ࣗͷαʔϏε ଞͷαʔϏε
©2019 Wantedly, Inc. Ͳ͏͍ͬͨ͜ͱΛ͢Δ͖͔ʁ
©2019 Wantedly, Inc. 1. ఆৗঢ়ଶʹ͓͚ΔৼΔ͍ͷԾઆΛཱͯΔ 2. ࣮ੈքͷࣄଟ༷Ͱ͋Δ 3. ຊ൪ڥͰݕূΛ࣮ߦ͢Δ 4.
ܧଓతʹ࣮ߦ͢ΔݕূͷࣗಈԽ 5. ӨڹൣғΛہॴԽ͢Δ https://principlesofchaos.org/?lang=JAcontent# Ͳ͏͍ͬͨ͜ͱΛߦ͏͔
©2019 Wantedly, Inc. 1. ఆৗঢ়ଶʹ͓͚ΔৼΔ͍ͷԾઆΛཱͯΔ 2. ࣮ੈքͷࣄଟ༷Ͱ͋Δ 3. ຊ൪ڥͰݕূΛ࣮ߦ͢Δ 4.
ܧଓతʹ࣮ߦ͢ΔݕূͷࣗಈԽ 5. ӨڹൣғΛہॴԽ͢Δ https://principlesofchaos.org/?lang=JAcontent# 43&ͱͷڠྗ৫త ͳରԠ͕ඞཁ Ͳ͏͍ͬͨ͜ͱΛߦ͏͔
©2019 Wantedly, Inc. 1. 1ඵؒͷಈը࠶ੜͳͲ 2. APIͷϨεϙϯεͳͲ 1. ఆৗঢ়ଶʹ͓͚ΔৼΔ͍ͷԾઆΛཱͯΔ =>
ͦΕΛकΔͨΊͷͷ͕ॏཁɻͦͷ֬ೝ͕Ͱ͖Ε͋Δఔ҆৺ ྫ: AWS͕region͝ͱμϯͨ͠ࡍɺଞͷregionʹfail over͢ΔͳͲ ྫ
©2019 Wantedly, Inc. 1. Πϯελϯε͕μϯ͢Δ 2. DB͕٧·ΔɾΞΫηεͰ͖ͳ͘ͳΔɹ 3. ґଘ͢ΔଞͷαʔϏε͕ෆ҆ఆʹͳΔ etc…
2. ࣮ੈքͷࣄଟ༷Ͱ͋Δ => ͜͏͍ͬͨཁૉΛೖΕΒΕΔΑ͏ʹ͢Δ = Fault Injection
©2019 Wantedly, Inc. ͜ͷ2͚ͭͩͳΒQAڥͰ ΞϓϦέʔγϣϯΤϯδχΞ͚ͩͰՄೳ
©2019 Wantedly, Inc. ࣗͷαʔϏε 4FSWJDF" 4FSWJDF# Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. ࣗͷαʔϏε 4FSWJDF" 4FSWJDF# Fault Injectionͱͦͷ֬ೝ ֬ೝ༻ͷίʔυΛೖΕΔͷ͕໘
©2019 Wantedly, Inc. ࣗͷαʔϏε JOUFSDFQUPS 4FSWJDF" 4FSWJDF# Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. ࣗͷαʔϏε ൪Λฦ͢ ͘ͳΔ ઃఆ͍ͯ͠ΔλΠϜΞ
τΑΓϨεϙϯε͕͍ JOUFSDFQUPS 4FSWJDF" 4FSWJDF# Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. ࣗͷαʔϏε ൪Λฦ͢ ͘ͳΔ ઃఆ͍ͯ͠ΔλΠϜΞ
τΑΓϨεϙϯε͕͍ JOUFSDFQUPS 4FSWJDF" 4FSWJDF# { "interval": 1, "slow_response_option": { "enable": true, "time": 5 }, "server_error_option": { "enable": true } } Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. ࣗͷαʔϏε ൪Λฦ͢ ͘ͳΔ ઃఆ͍ͯ͠ΔλΠϜΞ
τΑΓϨεϙϯε͕͍ JOUFSDFQUPS 4FSWJDF" 4FSWJDF# Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. ࣗͷαʔϏε JOUFSDFQUPS 4FSWJDF" 4FSWJDF# Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. 4FSWJDF" 4FSWJDF# $MPVE1VC4VC 1VCMJTI 4VCTDSJCF Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. 4FSWJDF" 4FSWJDF# $MPVE1VC4VC 1VCMJTI 4VCTDSJCF Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. 4FSWJDF" 4FSWJDF# $MPVE1VC4VC ॏෳ৴Λ͢Δ 1VCMJTIͨ͠ॱ൪Ͱ৴͠ͳ͍
1VCMJTI 4VCTDSJCF Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. 4FSWJDF" 4FSWJDF# $MPVE1VC4VC ॏෳ৴Λ͢Δ 1VCMJTIͨ͠ॱ൪Ͱ৴͠ͳ͍
1VCMJTI 4VCTDSJCF ϥΠϒϥϦ͕ߦ͏ͷͰ JOUFSDFQUPSΛڬΊͳ͍ Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. 4FSWJDF" 4FSWJDF# $MPVE1VC4VC 1VCMJTI 4VCTDSJCF 1SPYZ 1SPYZ
Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. 4FSWJDF" 4FSWJDF# $MPVE1VC4VC 1VCMJTI 4VCTDSJCF 1SPYZ 1SPYZ
ॏෳ৴Λ͢Δ 1VCMJTIͨ͠ॱ൪Ͱ৴͠ͳ͍ Fault Injectionͱͦͷ֬ೝ
©2019 Wantedly, Inc. https://github.com/rerost/unstable https://github.com/rerost/chaos-pubsub
©2019 Wantedly, Inc.
©2019 Wantedly, Inc. σϝϦοτ ݱঢ়ͷ֬ೝͰ͖Δ͕͍ͭյΕΔ͔Θ͔Βͳ͍ɹ ςετ͢Δͷ͕ਓखͳͷͰ֬ೝ͕໘ ςετ͕ཏͰ͖͍ͯͳ͍Մೳੑ͕͋Δ
©2019 Wantedly, Inc. ·ͱΊ खಈͰ͋ΔఔͷݕূͰ͖Δ ςετ༻ͷίʔυൈ͖͍͢ܗʹ͓ͯ͘͠ɹ 2"ڥ͚ͩͰࢼ͓ͯ͘͠ҙຯ͋Δɹ
σϝϦοτଟ͍ͷͰҰൠʹ͓͢͢ΊͰ͖Δ ํ๏Ͱͳ͍