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Scalable Architecture with RabbitMQ
nownabe
November 24, 2015
Technology
2
550
Scalable Architecture with RabbitMQ
IDCFクラウドのバックエンドをMicroservicesで作って、各コンポーネント間の通信にRabbitMQを使っているという話。
nownabe
November 24, 2015
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Transcript
Scalable Architecture with RabbitMQ IDCϑϩϯςΟΞ UX։ൃ෦ ᬑঘޗ 2015/11/24
Slides’ URI https://speakerdeck.com/nownabe/scalable- architecture-with-rabbitmq
Who? ᬑঘޗ @nownabe Programmer Drummer
History 20134݄ IDCFೖࣾ 20137݄ ΧελϚʔαʔϏεຊ෦ϓϥοτϑΥʔϜαʔϏε෦Ϋϥυάϧʔϓ • Ϋϥυج൫ӡ༻ɾݕূ • αόϑΣε্ཱͪ͛ •
MBaaSαʔϏε։ൃ 20144݄ ٕज़։ൃຊ෦R&Dࣨ • MBaaSαʔϏε։ൃ • RDBαʔϏε։ൃ 20151݄ ٕज़։ൃຊ෦UX։ൃ෦ • RDBαʔϏε։ൃ • ϩʔυόϥϯαʔαʔϏε։ൃ (now!)
Favorites Ruby Itamae Ruboty React esa Daemon Chain Drive (double)
Aquiles Priester
Scalable Architecture with RabbitMQ
Γͷ Publish / Subscribe ͱ Microservices ͬͯΈͨ
Which service? ݱࡏ։ൃத IDCF Cloudͷ৽αʔϏε ϩʔυόϥϯαʔαʔϏεͷόοΫΤϯυ ͦΖͦΖʁϦϦʔε༧ఆ
What service? 7. 7. 7. … 4DBMBCMF #BDLFOE -# -#
… *%$'$MPVE $MPVE4UBDL ࡞ͬͨΓফͨ͠Γ ૿ͨ͠ΓݮΒͨ͠Γ ࢹͨ͠Γम෮ͨ͠Γ
8PSLFS … $POUSPMMFS … "1* … .POJUPS … -#OPEF -#OPEF
……… Scalable architecture
8PSLFS … $POUSPMMFS … "1* … .POJUPS … -#OPEF -#OPEF
……… Scalable architecture 3&45"1*ड͚Δͭ ࢹɾ՝ۚ͢Δͭ ࡞ͬͨΓফͨ͠Γ͢Δͭ ϩʔυόϥϯαʔຊମ ͍Ζ͍ΖΔͭ
Development style Ruby Github Qiita:Team Slack
Today’s topics ͢ RabbitMQ (Publish / Subscribe) Microservices ͞ͳ͍ RabbitMQͷෛՙࢄ/Խ
Monitoring (Sensu)
RabbitMQ
What is RabbitMQ? ϝοηʔδͷड৴ͱ৴ Advanced Message Queuing Protocol OSS࣮ Erlang
Why RabbitMQ? MicroservicesԽͰશ෦REST API͖͍ͭ ߴػೳ ୯ମͰಈ࡞͢Δ υΩϡϝϯτ͕ॆ࣮ͯͨ͠
Publish / Subscribe Producer (Publisher) Queueʹ৴ Consumer (Subscriber) Queue͔Βߪಡ Queue
✉ ✉ ✉ ✉ ✉ ✉ ✉ ✉ ✉
Exchange ϝοηʔδΛQueueʹୡ͢Δਓ ͍ͭ͜ͷ͓͔͛Ͱ৴ܦ࿏͕ॊೈ
Example: Fanout ✉ ✉ ✉ ✉ ✉ &YDIBOHF ✉ ඥͮͯ͘͢ͷ
Queueʹୡ
Example: Roundrobin ✉ &YDIBOHF ✉ ✉ ✉ ✉ ✉ ʮՋͳਓʹ৴ʯՄ
Example: RPC ✉ ✉ Request/Response (Exchangeলུ) ฦ৴༻Queue
More complecated routings ͔ͳΓෳࡶͳϧʔςΟϯάՄೳ
Microservices
8PSLFS … $POUSPMMFS … "1* … .POJUPS … -#OPEF -#OPEF
……… Components 3&45"1*ड͚Δͭ ࢹɾ՝ۚ͢Δͭ ࡞ͬͨΓফͨ͠Γ͢Δͭ ϩʔυόϥϯαʔຊମ ͍Ζ͍ΖΔͭ
Why microservices? ScalableͳઃܭΛٻΊΒΕͨ • CloudStack͕ҰຕؠͰεέʔϧ͠ʹ͍͘ઃܭ ֤ίϯϙʔωϯτͷׂׂ͕໌֬ͩͬͨ • ͋ΔఔͲ͏͚Ε͏·͍͖ͦ͘͏͔͔͍ͬͯͨ ΞδϟΠϧʹ׳Ε͍ͯͳ͍ •
ΥʔλʔϑΥʔϧͬΆ͘ॎׂΓ։ൃ
Our Microservices
API gateway ֎෦ϦΫΤετΛ࠷ॳʹॲཧ͢Δड REST APIΛఏڙ Ϣʔβͷೝূ ControllerʹϦΫΤετΛ͑Δ
Controller ͍Ζ͍Ζஅͯ͠ࢦࣔΛग़͢Ϙε ϝΠϯDBͱΓͱΓͰ͖Δ
Worker ࣮ࡍʹಇ͘࿑ಇऀ Controller͔ΒͷࢦࣔͰಇ͘ ඇಉظͰ͕͔͔࣌ؒΔॲཧΛ͜ͳ͢ ऴΘͬͨΒControllerʹใࠂ
Node agent LB nodeʹજΉΤʔδΣϯτ LB nodeͷॳظઃఆ Worker͔ΒͷࢦࣔͰίϚϯυΛ࣮ߦ ֤छϝτϦΫεΛMonitorʹใࠂ
Monitor ࢹ՝ۚॲཧΛߦ͏ݟுΓ Agent͔ΒͷϝτϦΫεΛूܭ Կ͔͋ΕControllerʹใࠂ
Via RabbitMQ શίϯϙʔωϯτ͕RabbitMQܦ༝ͰΓͱΓ 8PSLFS $POUSPMMFS /PEFBHFOU ࢦࣔ ࢦࣔ/ใࠂ ใࠂ ඇಉظ
ಉظ
Good
Scalable! εέʔϧΞτ͕؆୯ • ৽͍͠ίϯϙʔωϯτ͕ͭͳ͗ʹ͍͚ͩ͘ RabbitMQ͕ϘτϧωοΫʹͳΓಘΔʁ • ͠Β͘৺ͳͦ͞͏
RabbitMQ is nice ϧʔςΟϯά͕ॊೈ ͱָͯ: Pub/Subඇಉظॲཧ ͱָͯ: ෛՙࢄ • Producer/ConsumerࣗͰͭͳ͗ʹ͘Δ
• LBͰࢄ͠Α͏ͱ͢Δͱ…
Nice microservices ྑ͍ײ͡ʹίϯϙʔωϯτׂͰ͖ͨ • ׂෛՙ ֤୲ऀͰҰؾʹฒߦ։ൃͰ͖ͨ 1ڞ௨ͷRabbitMQ͕͋Ε݁߹ςετ؆୯ • ϩʔΧϧͱϩʔΧϧΛ؆୯ʹͭͳ͛Δ
Sensu ·͞ʹΫϥυ࣌ͷࢹπʔϧ ͍ͭ͜RabbitMQΛ͏ Pub/SubͰࢹ
Not Good
Bad microservices ͏·͘Θ͚ΒΕͳ͔ͬͨ෦ • MonitorͱControllerͰಉ͡DBΈͯΔ ίϯϙʔωϯτԣஅͰΈΔͱDRY͡Όͳ͍ ΠϯϑϥίετͰ͔͍ • ࣍ίϯςφԽ͍ͨ͠
RPC is not good RPC͍ͬͺ͍ͬͯΔ RabbitMQຊདྷRPC͢Δͷ͡Όͳ͍ ͦΕREST APIͰͰ͖ͳ͍ͷʁ • ͍ɺͰ͖·͢
Insufficient information ใ͕গͳ͍ ެࣜυΩϡϝϯτॆ࣮ • ӳޠΦϯϦʔ
Summary MicroservicesͱPub/SubͰScalableʹʂ✨ MicroservicesͱPub/Subͷ૬ੑΠΠʂ શ෦RabbitMQܦ༝Ͱͳ͘దࡐదॴʹʂʂ
Thank you for your attention MicroservicesͱPub/SubͰScalableʹʂ✨ MicroservicesͱPub/Subͷ૬ੑΠΠʂ શ෦RabbitMQܦ༝Ͱͳ͘దࡐదॴʹʂʂ