Thalassa - LXJS - Speaker Deck

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THALASSA A System for Continuous Deployment Mike Brevoort 2 October 2013 @mbrevoort

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¡OLÉ!

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BACKGROUND

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1.21 GIGAWATTS!?

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CONTINUOUS DEPLOYMENT

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PUSH AND RESTART? http://alt.coxnewsweb.com/cnishared/tools/shared/mediahub/05/22/00/slideshow_1002253082_Irene.JPEG-06e19.JPG

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UPGRADE WITH ZERO DOWNTIME http://devopsreactions.tumblr.com/post/61486552902/upgrade-with-zero-downtime

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EFFORT(DEPLOY N → ∞ ) = 0 http://supercompleto.ﬁles.wordpress.com/2010/03/ushuaia-sea-lion.jpg

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HOW?

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LOAD BALANCER http://klrc.ﬁles.wordpress.com/2009/06/trafﬁc_barrel_monster.jpg

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A/B DEPLOYMENTS http://www.ﬂickr.com/photos/madbuster75/1859045541/

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THALASSA

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THREE NODE.JS MODULES + HAPROXY •Thalassa •Server registry & client •Aqueduct •API and manages HAProxy process •Crowsnest •Realtime dashboard

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THALASSA •Lightweight service registry •Client as node.js module, daemon or just periodic HTTP •Formerly build on top of @substack’s Seaport •Ping and expire over HTTP •Built on Redis, axon for pub-sub

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AQUEDUCT •REST API for HAProxy •Manage HAProxy process (now via @3rdEden’s HAProxy module) •Dynamically generates conﬁg from handlebars.js template •Streams HAProxy live status •Conﬁguration as a CRDT •Enables peering of Aqueduct servers

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CROWSNEST •Visualize what’s happening in the system •Streams, streams and more streams •CRDT, LevelDB, Hapi, AngularJS, Rickshaw

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Thalassa Server Aqueduct HAProxy Crowsnest A@1 A@1 A@1 A@1 80 FE streaming stats axon socket BE

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Thalassa Server Aqueduct HAProxy Crowsnest A@1 A@1 A@1 80 A@2 A@2 A@2 FE streaming stats axon socket BE

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Thalassa Server Aqueduct HAProxy Crowsnest A@1 A@1 A@1 80 A@2 A@2 A@2 FE streaming stats axon socket A@2 BE

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Thalassa Server Aqueduct HAProxy Crowsnest A@1 A@1 A@1 80 A@2 A@2 A@2 FE streaming stats axon socket BE

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registrations config stats stats config stats Aqueduct Aqueduct config Crowsnest Server Aqueduct Thalassa Server control stream MUXDEMUX STREAMS

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DEMO

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commutative data > 9:00 MONDAY AUGUST 26TH

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WHERE •https://github.com/PearsonEducation/thalassa npm install thalassa •https://github.com/PearsonEducation/thalassa-aqueduct npm install thalassa-aqueduct •https://github.com/PearsonEducation/thalassa-crowsnest npm install thalassa-crowsnest

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@mbrevoort