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システム基盤としてのAWS活用 / System foundation by AWS
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cohalz
January 30, 2019
Programming
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システム基盤としてのAWS活用 / System foundation by AWS
Hatena Engineer Seminar #11
cohalz
January 30, 2019
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Transcript
γεςϜج൫ͱͯ͠ͷ AWS׆༻ Hatena Engineer Seminar #11 id:cohalz
ࣗݾհ • id:cohalz / @cohalz • 2018৽ଔೖࣾ • γεςϜϓϥοτϑΥʔϜ෦ॴଐSRE
γεςϜج൫ͱ
γεςϜج൫ͱ • αʔϏε։ൃͷΛ্ͤ͞ΔΑ͏ͳɼ ଞͷSREΞϓϦέʔγϣϯΤϯδχΞ͏πʔϧ • αʔϏεͷʹεέʔϧ͢ΔΑ͏ͳͷ • σϓϩΠπʔϧӡ༻ΦϖϨʔγϣϯπʔϧͳͲछྨ༷ʑ
طଘͷγεςϜج൫ͷ՝ • खݩͰ࣮ߦ • ڥͷඋ͔Βඞཁ • ΦϖϨʔγϣϯ༻αʔόͰ࣮ߦ • ΦϖϨʔγϣϯαʔόͷอक͕ඞཁ •
ͦͦख࡞ۀͩͱ͍͏
γεςϜج൫ʹ͏AWSαʔϏε
AWS Lambda • AWSͷαʔόϨείϯϐϡʔςΟϯάڥ • ଞAWSαʔϏεͷ࿈ܞ
AWS LambdaͷϝϦοτ • AWSαʔϏεͱͷ࿈ܞ • APIܦ༝ͰෳαʔϏεͷΞΫγϣϯΛࣗಈԽ • ݖݶཧLambdaʹدͤΒΕΔ
αʔόϨεͷϝϦοτ αʔό͕ͳ͍͜ͱʹΑΔϝϦοτେ͖͍ • Մ༻ੑ • SLA99.95% • อकੑ • ΦϖϨʔγϣϯ༻αʔόɾόοναʔό͔Βͷղ์
AWS CloudFormation • YAMLϑΝΠϧͰهड़ͯ͠ɼAWSϦιʔεΛσϓϩΠͰ͖Δ • ݕূڥΛ͙͢࡞ΕΔ • มߋͷࣄલϨϏϡʔ • υΩϡϝϯτԽ
• ෆ۩߹࣌ͷΓ͠ • Infrastructure as Codeͷ࣮ફ
Lambda + CloudFormation ͷ։ൃεϐʔυΛ্͛ΔͨΊʹ
Serverless Application Model • ௨শSAM • AWSެࣜʹΑΔαʔόϨεڥϑϨʔϜϫʔΫ • CloudFormationͷ֦ு •
هड़ྔͷݮ • ։ൃʹศརͳCLIπʔϧ܈ • ϩʔΧϧ࣮ߦɾσϓϩΠ
AWSΛ׆༻͍ͯ͠Δج൫ͷྫ
ʮεέδϡʔϧ͞ΕͨΠϕϯτʯ ͷରԠ
Ϟνϕʔγϣϯ • EC2ͷΠϯελϯε࠶ىಈϦλΠΞ༧ࠂ͕དྷΔ • ࣄલʹରԠ͠ͳ͍ͱোʹͳΔ͜ͱ • Πϕϯτ͕͋ͬͨΒSlackʹ௨͢Δόον͕ಈ͍͍ͯͨ • Slack௨ΛݟͯissueʹखಈͰՃ͍ͯͨ͠ •
όοναʔόͷ໘ݟ͍ͯͨ
ొͷࣗಈԽ • ʮεέδϡʔϧ͞ΕͨΠϕϯτʯCloudWatch EventsͰΠ ϕϯτΛड͚औΔࣄ͕Ͱ͖Δ • LambdaΛ࣮ߦ͠ɼAPIܦ༝ͰGitHubͱGoogleΧϨϯμʔʹ ࣗಈͰՃ͢Δ
issue͕ࣗಈͰొ͞ΕΔ
خ͔ͬͨ͜͠ͱ • ຊདྷͷΠϕϯτରԠҎ֎ʹඞཁͳख࡞ۀͳ͘ͳͬͨ • ຊདྷΔ͖ରԠ͚ͩʹूதͰ͖ͨ • όοναʔόΛࢭΊΔ͜ͱ͕Ͱ͖ͨ
Let's Encryptূ໌ॻͷ ߋ৽ɾཧͷࣗಈԽ
Ϟνϕʔγϣϯ • ख࡞ۀͳ্ʹෳࡶ • ΦϖϨʔγϣϯαʔόͰ࣮ߦ • ূ໌ॻͷసૹͳͲؾΛ͚ͭͳ͍ͱ͍͚ͳ͍෦͋Δ • ఆظతʹൃੜ͢ΔׂΓࠐΈ •
ূ໌ॻͷ༗ޮظݶࡾϲ݄
ΞʔΩςΫνϟ 1. ར༻ऀऔಘ͍ͨ͠ূ໌ॻ༻ͷ CloudWatch EventsΛՃ 2. ఆظ࣮ߦ͞ΕɼLambda͕ূ໌ॻΛ औಘɾS3อଘ 3. S3όέοτ͔Βূ໌ॻΛऔಘͯ͠
Ϧϩʔυ
࣮ࡍͷಈ࡞ ϒϩά: http://developer.hatenastaff.com/entry/2018/12/11/133000
خ͔ͬͨ͜͠ͱ • ख࡞ۀ࠷ॳ͚ͩ • CloudWatch EventsʹΑΔఆظ࣮ߦ • ৴པੑ্ • Lambdaࣗମͷ৴པੑʹدͤΒΕΔ
• ূ໌ॻΛ҆શʹѻ͑ΔΑ͏ʹ • S3 + KMSʹΑΔՄ༻ੑͱػີੑ
OSSԽ • ࣾϦιʔεʹґଘͯ͠ͳ͍ͷͰOSSԽ • https://github.com/cohalz/CertUpdater
AWSͷγεςϜج൫Ͱେࣄͳ͜ͱ
ଞͷਓ͕ϝϯςͰ͖ΔΑ͏ʹ͢Δ • ࠓ·Ͱͷج൫ʹൺͯن͕େ͖͘ͳΓ͕ͪ • υΩϡϝϯτΛ͔ͬ͠Γ༻ҙ͢Δ • ͳΔ͘ެࣜͷπʔϧΛ͏ • Θ͔Βͳ͔ͬͨΒαϙʔτʹฉ͘
είʔϓɾڥք • ج൫͕Ͳ͜·ͰΔͷ͔͖ͬΓͤ͞Δ • ࿈ܞ͕͍͔͢͠Βܾͦ͜ΊΔ • ར༻ऀͷ͜ͱΛߟ͑Δ • Βͳ͍͍ͯ͘͜ͱΛҙࣝ
͜Ε͔ΒͷγεςϜج൫ • ΨΠυϥΠϯΛ࡞Δ • AWS୭Ͱ؆୯ʹѻ͑ͯ͠·͏ • ϚϧνΞΧϯτରԠ • ڞ௨ج൫ΛͲ͏ల։͍͔ͯ͘͠ʁ
·ͱΊ • ৴པੑͷͨΊʹLambdaΛج൫ͱͯ͠ར༻͍ͯ͠Δ • CloudFormationڞ௨ݴޠͱͯ͠ར༻ • SAMͷొʹΑΓɼαʔόϨεج൫ͷ։ൃ্ͨ͠ • AWS͔ͩΒͦ͜ߟ͑ͳ͍ͱ͍͚ͳ͍෦͋Δ