Tutorial on programming the Platform

Tutorial

Programming The Pla0orm

BerlinSeptember30th,2016

LorenzoTomasini

Agenda

•  TheSo:FIREarchitecture•  Experimentlifecycle•  Accesstothefederatedtestbed•  DesignandProgramming•  TheMongoDBexample•  DiscoveryandAllocaKonofresources•  RunningandtroubleshooKngtheexperiment

7Oktober2016 So:FIREProjectMeeKngBerlin 2

jFed

FITEagleSo:FireSofwarePortalOpenVPNserver

Experimenter

Testbed

Testbed

Testbed

VNF

VNF

VNFVNF

VNF

ExperimenterLevel

So:FIREPlaSormProviderslevel

NFVMANOLevel

TestbedFederaKonLevel

So:FIRE

PlaSorm

Experiment Lifecycle

q Accesstothefederatedtestbedq DesignandProgrammingq DiscoveryandAllocaKonofresourcesq RunningandtroubleshooKngtheexperiment





Access to the Federated Testbed

•  Theexperimenterswillreceive•  UsernameandpasswordfortheSSP

•  ThesamecredenKalusedtoaccessthewebportal•  CerKficatetoaccesstheSo:FIREVPN•  ThesamecerKficateandanewpasswordforlogintojFedanddiscovertheresources


jFed


Experimenter

Testbed

Testbed

Testbed

VNF

VNF

VNFVNF

VNF

ExperimenterLevel


NFVMANOLevel


So:FIRE

PlaSorm




Design and Programming

1.  DesignthecloudsoluKon1.  HowmanyVNFwillIneed?2.  WhatrequirementshaseachVNF?3.  Howaretheyconnected?4.  WhatrequireseachVNFfromotherVNFs?


MongoDB Sharded Cluster



•  Shard:Eachshardcontainsasubsetofthedata.Eachshardcanbealsodeployedasareplicaset.• Mongos(Router):Themongosrouteractsasaqueryrouter,providinganinterfacebetweenclientapplicaKonsandtheshardedcluster.• ConfigServer(s):ConfigserversstoremetadataandconfiguraKonseangsforthecluster.Configserverscanbedeployedasareplicaset



•  ThreetypeofVNF:•  Shard•  Config•  Router

•  ThismeansthreeVNFPackages,oneperVNFtobeuploadedtotheSSP


MongoDB example


Router

Config Shard1

Shardn

ClientApp

FOKUStestbed

Surreytestbed TelecomItaliatestbed

Create a VNF Package

• VNFPackageisasimpletarfilecontaining:

•  Metadata.yaml•  Scriptsfolder•  vnfd.json


Metadata.yaml •  TheMetadata.yamldefinesessenKalproperKesfortheVNF.ThisfileisbasedontheYAMLsyntaxwhereinformaKonarestoredinsimple<key>:<value>associaKons.

7Oktober2016 So:FIREProjectMeeKngBerlin 15Reference:hfp://openbaton.github.io/documentaKon/vnfpackage/

name:routerdescrip:on:"Theroutermodule”scripts-link:scripts_linkprovider:TUBshared:trueimage:

upload:falsenames: -Ubuntu14.04Cloudbasedlink:hJp://link-to-image

Image-config:name:Ubuntu14.04CloudbaseddiskFormat:qcow2containerFormat:bareminCPU:0minDisk:0minRam:0isPublic:true

VNF Lifecycle event


Vnfd.json

•  Thevnfd.jsoncontainstheVirtualNetworkFuncKonDescriptor(VNFD)onboardedtotheOrchestrator.


Scripts folder •  ThescriptsfoldercontainsallthescriptsrequiredforstarKng,configuringorwhateveryouwanttodoontherunninginstanceduringspecificlifecycles.TheexecuKonorderisdefinedbythelifecycle_eventsinsidetheVNFD.Thislifecycle_eventsaretriggeredbytheNFVOinthemeaningof:iftheevent"INSTANTIATE"containsascriptinthelifecycle_events,thisscriptisexecutedwhentheNFVOcallstheinstanKatemethodforthespecificVNFR.

•  Note:Thescriptsinthefolderscriptsarefetchedonlyifthescripts-linkisnotdefinedintheMetadata.yaml.Thismeansthatthescriptsinthatfolderhavelessprioritythanthescriptslocatedunderscripts-link.

•  Note:ScriptsareexecutedwhenaspecificEventisfiredandthisEventreferencestospecificscripts.

•  Note:subfoldersarenotallowed

7Oktober2016 So:FIREProjectMeeKngBerlin 18Reference:hfp://openbaton.github.io/documentaKon/vnfpackage/

Script example

#!/bin/bash

exportLC_ALL=C

shard_uri="$shard_softfire_internal_floatingIp:$shard_port”

echo$shard_uri

echo"sh.addShard('$shard_uri')">addShard.js

if[-z$database];then

database=softfire

fi

echo"sh.enableSharding('$database')">>addShard.js

mongo--port$port<addShard.js


Routerscript:shard_configure.sh

So:fireSo:warePortal

27.09.16 So:FIREProjectMeeKngBerlin 20

jFed


Experimenter

Testbed

Testbed

Testbed

VNF

VNF

VNFVNF

VNF

ExperimenterLevel


NFVMANOLevel


So:FIRE

PlaSorm




jFed for resource discovery





jFedforresourceallocaKon


jFedforresourceaccess


jFedforresourceaccess


Documents

Tutorial on programming the Platform