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Floodlightのモジュール機構
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sdnstudy OpenFlow勉強会 その2で発表した資料
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Transcript
FloodlightͷϞδϡʔϧػߏ ਗ਼ਫɹᠳ @oshothebig
ࣗݾհ • ਗ਼ਫɹᠳ • @oshothebig • ࣄɿωοτϫʔΫͷݚڀ • झຯɿࣗసं •
ϩʔυϨʔαʔʹΔ • ࢼ߹Λݟʹߦ͘
Floodlight • Big Switch Networks͕ࣾΦʔϓϯιʔεͰ։ൃ͢Δ OpenFlowίϯτϩʔϥ • Web: http://floodlight.openflowhub.org/ •
Source: http://github.com/floodlight/floodlight • Open SDN • Apache License ver. 2.0
Getting started $ sudo apt-get install build-essential default-jdk ant python-dev
$ git clone git://github.com/floodlight/floodlight.git $ cd floodlight; ant $ java -jar target/floodlight.jar
None
ػೳ • API • Java (Event driven) • REST (RestletͰ֦ுՄೳ)
• Topology discovery • Device manager • Static flow pusher • etc. ϞδϡʔϧػߏΛ ࣮ͬͯ
Ϟδϡʔϧػߏʁ
ੜཱ͍ͪ • FloodlightBeacon͔ΒϑΥʔΫͨ͠ϓϩδΣΫτ • Beacon • Developed by David Erickson
• http://www.beaconcontroller.net/ • GPL v2 and the Stanford University FOSS License Exception v1.0 • 201112݄ޙɿFloodlightͷίʔυެ։
Beaconʹ͋ͬͯ Floodlightʹແ͍ͷʁ
Beaconʹ͋ͬͯ Floodlightʹແ͍ͷʁ Ϟδϡʔϧػߏ
Beacon uses OSGi by Spring Framework
XMLϑΝΠϧ͍ͬͺ͍
XMLͷઃఆΛϛε͢Δͱ ϥϯλΠϜΤϥʔ
ҙຯෆ໌ͳ͙Β͍େྔͷ ελοΫτϨʔεग़ྗ
͋͛͘
νϡʔτϦΞϧͷઃఆ ϑΝΠϧྫ͕ؒҧ͍ͬͯͨ ͋͛͘
Floodlight
OSGiͷ༻ΛΊͨ Floodlight
ػೳͷՃ
Controller.javaΛฤू & ίϯύΠϧ
͍͚ͯͳ͍
Ϟδϡʔϧػߏ͕ ࠷༏ઌࣄ߲ͩΑ! Alex Reimers
2012/2/20? Ϟδϡʔϧػߏ෮׆
ΞʔΩςΫνϟ FloodlightProvider Ϟδϡʔϧ 1 Ϟδϡʔϧ 2 Ϟδϡʔϧ 3 Ϟδϡʔϧ N
Ϟδϡʔϧ • ػೳ͕ϩʔυ͞ΕΔ୯Ґ • IFloodlightModuleΠϯλʔϑΣΠε • αʔϏεΛ֎෦ͷϞδϡʔϧʹެ։ • αʔϏεɿػೳΛ֎෦ʹެ։͢Δ୯Ґ •
ެ։͠ͳͯ͘Α͍ • ଞͷαʔϏεʹґଘ͢Δ͜ͱ͋Δ • ϞδϡʔϧϩʔμʹΑͬͯϩʔυ࣌ʹґଘੑղܾ
Service A Service B Module A Service C Module B
use
IFloodlightModule ϝιου໊ આ໌ getModuleDependencies() ґଘαʔϏεΛฦ͢ getModuleService() ެ։͢ΔαʔϏεΛฦ͢ getServiceImpls() ެ։αʔϏεͷ࣮Λฦ͢ init(FloodlightModuleContext)
ϞδϡʔϧͷॳظԽ startup(FloodlightModuleContext) ϞδϡʔϧͷॳظԽ
αʔϏε • IFloodlightServiceΛܧঝͨ͠ΠϯλʔϑΣΠε • ϚʔΧʔΠϯλʔϑΣΠε • σϑΥϧτͰఴ͞Ε͍ͯΔͷ • ITopologyService, IDeviceManagerService,
etc... • ఴͷαʔϏεͰɺIFloodlightModuleͱ IFloodlightServiceΛಉҰΫϥεͰ࣮͍ͯ͠Δ
ϞδϡʔϧͷΈ 1. FloodlightModuleLoader͕ઃఆϑΝΠϧΛಡΈࠐΉ • ίϚϯυϥΠϯ(-cf)Ͱࢦఆͨ͠ϑΝΠϧ • config/floodlight.properties • Ϧιʔεதͷfloodlightdefault.properties 2.
IFloodlightModuleΛ࣮͢ΔΫϥεΛϩʔυ • ServiceLoader#load()Λ༻
ϞδϡʔϧͷΈ 3. ϞδϡʔϧͷґଘάϥϑΛ࡞ 4. ֤ϞδϡʔϧͷinitϝιουΛݺͼग़͠ • ґଘ͢ΔαʔϏεॳظԽ͞Ε͍ͯͳ͍Մೳੑ͕ ͋Δ 5. ֤ϞδϡʔϧͷstartUpϝιουΛݺͼग़͠
• શͯͷαʔϏεͷΠϯελϯε͕ଘࡏ͍ͯ͠Δ
Ϟδϡʔϧͷ࡞Γํ • IFloodlightModuleΛ࣮ͨ͠ΫϥεΛ࡞ • ඞཁʹԠͯ͡IFloodlightServiceΛ࣮ • src/main/resources/META-INF/services/ net.floodlight.core.module.IFloodlightModuleʹϞ δϡʔϧͷશम০Ϋϥε໊Λهड़ •
ઃఆϑΝΠϧʹಡΈࠐΉϞδϡʔϧͷશम০Ϋϥε ໊Λهड़ • floodlight.modules = xxx, yyy, zzz
αϯϓϧΛ༻͍ͨৄ͍͠આ໌ɺ http://floodlight.openflowhub.org/developing-floodlight/ Λࢀর
• Google Summer of Code 2012 • ͍ΖΜͳֶੜ͕MLʹ࣭Λ͛ͯML͕׆ൃԽ • Web
front end, Firewall, Load balancer, etc... • IBM (Research?)ͷਓ • Web UIΛՃ→Pull request→ຊମʹϚʔδ • Ϟδϡʔϧϩʔμʔͷόάमਖ਼ • Ṗͷyetiϒϥϯν ࠷ۙͷ
͓·͚ • ֎෦ͷϥΠϒϥϦΛ͍͍ͨ߹ɺϥΠϒϥϦͷਪ ҠతґଘؔͷѲ͕໘
͓·͚ • ֎෦ͷϥΠϒϥϦΛ͍͍ͨ߹ɺϥΠϒϥϦͷਪ ҠతґଘؔͷѲ͕໘ Mavenize http://github.com/oshothebig/floodlight/tree/develop
ศ
5݄5 nicira-ext.hΛಡΉձ http://www.zusaar.com/ event/277002
͓ΘΓ