Building Social IDC Bots with Node.js and MongoDB

3/11/13 reveal.js - The HTML Presentation Framework

ryanjarvinen.com/presentations/irc/#/ 1/72

SOCIAL IRC BOTS IN THE CLOUD

node.js

MongoDB

http://bit.ly/11Qft8j

presented by

/ ryan jarvinen @ryanj

Open Platform Evangelistat

Red Hat

ryanj@redhat.com

AGENDALearn some IRC basicsCreate a bot and teach it to speakLearn some MongoDB basicsBuild a social leaderboardGo live with a Mongo-powered IRC bot in ~30 mins

CODE DU JOURhttps://github.com/openshift-quickstart/irc-

leaderboard-quickstart

multiplayer notepad

“Hello, nice to troll you!”

just multiplayer notepada drama club for nerds

ACTING / EMOTING“ An emote is an entry into a text-based

chat client that indicates an action takingplace. Unlike emoticons, they are not textart, and instead describe the action using

words.”http://en.wikipedia.org/wiki/Emote

REAL DRAMAThe Hamnet Players

http://www.hambule.co.uk/hamnet/

The Plaintext Playershttp://yin.arts.uci.edu/~players/

THE CYPOSIUM?

http://www.cyposium.net/

MAKING A BIGENTRANCE

To perform an action,

type '/me' followed by a description of an action:

/me rolls eyes at IRC over-actors

IRC BOTS

IRC BOTS AREtalking applicationsscripted actors who appear to be another user in theroomgenerally benevolent (they fight for the users)

IRC BOT ABILITIESmost bots know a few simple jokesmany know how to assist with bug reportsthey may offer links to relevant informationor even fight against spam

IRC ISjust multiplayer notepaddrama club for nerds✓an open protocol for realtime mutiuser communicationvia text ( )✓found at the heart of every high-tech company that I'veworked for✓a serious contender for "most valuable communicationtool" in many organizations✓realtime communication✓

rfc1459

IRC IS

OPEN CLIENTS

XCHAT, COLLOQUY

WEB CLIENTSGive it a try:

http://webchat.freenode.net/

OPEN SERVERS

FREENODEOpenShift on

/join #openshift

freenode IRC

HOSTING OPTIONS

DIY / ON PREMISEPUBLIC IRC(FREENODE)

CLOUD SERVERS

IRC is built on an open standard, allowing you to host it asa service (on your own hardware), or from within a

private network (for added security).

OpenShift was designed with many of the samecharacteristics in mind, minus the drama.

OPENSHIFT IS

OPEN CLIENTINTERFACE

https://github.com/openshift/rhc

OPEN CARTRIDGEFORMAT

PAAS SOURCE

OPENSHIFT ORIGIN

OPENSHIFT HOSTING

DIY / ORIGINONLINE

ENTERPRISE

DEVELOPER PREVIEWSign up for an OpenShift Online account:

Free-as-in-beer (no cost)Free-as-in-freedom (open source)512 MB RAM / 1 GB storage per gear (3 free)Need more resources? (just ask!)REALLY a Developer Preview (GA this summer)

http://openshift.redhat.com/

THE CLOUD LANDSCAPE

OPENSHIFT IS...

THE BIG PICTURE

OPENSTACK

IS OPENand

FOCUSED ON IAAS

BUZZ WORDS

PUBLIC CLOUD +PRIVATE CLOUD =

HYBRID CLOUD

GETTING STARTED WITH OPENSHIFTPRE-REQUISITES:

ruby, rubygemsgit

INSTALLING THE 'RHC' CLIENT TOOLand

install

sudo gem install rhc

node.js

HELP WITH CLIENT TOOLSRHC client tool installation

Openshift Getting Started guide

https://openshift.redhat.com/community/get-started#cli

https://openshift.redhat.com/community/developers/get-started

CONFIGURING YOUR DEV ENVIRONMENTWill automatically:

set your openshift email addressverify your ssh key configurationconfigure your application namespace

rhc setup

GEARING UP A NEW APP ON OPENSHIFTor

rhc app create APP_NAME APP_CARTRIDGE

rhc app create ircbot nodejs-0.6

Application Options------------------- Namespace: ryanj Cartridges: nodejs-0.6 Gear Size: default Scaling: no

Creating application 'ircbot' ... done

Waiting for your DNS name to be available ... done

Downloading the application Git repository ...Cloning into 'ircbot'...

ircbot @ http://ircbot-ryanj.rhcloud.com/ (uuid: 25918304bf8d406e89802a1e642063a0)--------------------------------------------------- Created: 10:23 PM Gear Size: small Git URL: ssh://25918304bf8d406e89802a1e642063a0@ircbot-ryanj.rhcloud.com/~/git/ircbot.git/ SSH: 25918304bf8d406e89802a1e642063a0@ircbot-ryanj.rhcloud.com

nodejs-0.6 (Node.js 0.6) ------------------------

RESULT:Application ircbot was created.

SUCCESS!You now have a basic node.js app up an running on

OpenShift!

Your gear is now configured with:

it's own git repoit's own web serverssh accessloggingpublicly accessible DNS

BUILDING YOUR BOT cd ircbot

INSTALLING DEPENDENCIESUsing Node's :

Include the `-S` flag in order to save this dependency toyour application's `package.json` file.

npm package managernpm install irc -S

http://npmjs.org/package/irc/

BOT BASICSAdd the following to your server.js to load and configure

the irc library:var irc = require('irc');var bot_name = process.env.OPENSHIFT_APP_NAME || 'ircbot';var bot = new irc.Client('chat.freenode.net', bot_name, { channels: ['#botzoo', '#botwar'], port: 8001, debug: true});

TEACHING YOUR BOT TO SPEAKListen and respond to conversations as they happen:bot.addListener('message', function(from, to, message) { if( message.indexOf('Know any good jokes?') > -1 || message.indexOf('good joke') > -1 ) { bot.say(to, 'Knock knock!'); }});

Getting to the punchline:bot.addListener('message', function(from, to, message) { if( message.indexOf('who is there?') > -1 || message.indexOf("who's there?") > -1 || message.indexOf("Who's there?") > -1 || message.indexOf("Who is there?") > -1 ) { bot.say(to, 'Doris'); }});bot.addListener('message', function(from, to, message) { if( message.indexOf('Doris who?') > -1 || message.indexOf("doris who?") > -1 ) { bot.say(to, "Doris locked, that's why I'm knocking!"); }});

COMMITTING YOUR CHANGESgit add package.json server.jsCommit your changes locally

git commit -m 'adding irc npm dependency, initializing irclibrary, adding a few jokes'

DEPLOYMENTDone! Your bot should now be live on IRC.

git push

INTERACTING WITH YOUR NEW BOTLogin to IRC, and enter one of the channels that your bot

has been configured to join:

If you don't already have an IRC client, you can connect tofreenode on the web:

/join #botzoo

http://webchat.freenode.net/

Ask if anyone knows a good joke:[guest] Know any good jokes?[ircbot] Knock knock![guest] Who is there?[ircbot] Doris[guest] Doris who?[ircbot] Doris locked, that's why I'm knocking![guest] meh...

BOT DEBUGGING AND MAINTAINANCEIf your bot decides to quit mid-conversation, it may be

suffering from a bug.

Checking it's logs may reveal what set it off:

Or, debug it while running locally:

rhc tail ircbot

npm start

TEACHING YOUR BOT TOKEEP SCORE

SETTING UP MONGODB ON OPENSHIFTrhc cartridge add mongodb-2.2

Adding mongodb-2.2 to application 'ircbot' ... Success

mongodb-2.2 (MongoDB NoSQL Database 2.2)---------------------------------------- Connection URL: mongodb://127.6.102.129:27017/ Database Name: ircbot Password: T5xJwCiDZYGn Username: admin

RESULT:Added mongodb-2.2 to application ircbot

Adding mongodb-2.2 to application 'ircbot' ... Success

MongoDB 2.2 database added. Please make note of these credentials:

Root User: admin Root Password: T5xJwCiDZYGn Database Name: ircbot

Connection URL: mongodb://$OPENSHIFT_MONGODB_DB_HOST:$OPENSHIFT_MONGODB_DB_PORT/

You can manage your new MongoDB by also embedding rockmongo-1.1The rockmongo username and password will be the same as the MongoDB credentials above.

ROCKMONGO ON OPENSHIFT(optional)

rhc cartridge add rockmongo-1.1

ADDING A MONGOJS DEPENDENCYnpm install -S mongojs

CONNECTING TO MONGODBvar mongojs = require('mongojs');var connection_string = bot_name;if(process.env.OPENSHIFT_MONGODB_DB_PASSWORD){ connection_string = process.env.OPENSHIFT_MONGODB_DB_USERNAME + ":" + process.env.OPENSHIFT_MONGODB_DB_PASSWORD + "@" + process.env.OPENSHIFT_MONGODB_DB_HOST + '/' + process.env.OPENSHIFT_APP_NAME;}var db = mongojs(connection_string, ['scoreboard']);

SETTING A SCOREbot.addListener('message', function(from, to, message) { if( message.indexOf('++') > -1 ){ var subject = message.slice(0,message.indexOf('++')); db.scoreboard.find({query: {name: subject}}).limit(1, function(err, doc) { if( typeof(doc)=='object' && (doc instanceof Array) && doc[0] && doc[0].name){ // update db.scoreboard.update({name: subject}, {$inc:{score:1}}, function(err) { bot.say(to, "score: " + ( 1 + doc[0].score )); }); }else{ // insert db.scoreboard.insert({name: subject, score: 1}, function(err) { bot.say(to, "score: 1"); }); } }); }});

SHOWING THE SCOREBOARDbot.addListener('message', function(from, to, message) { if( message.indexOf('scoreboard') > -1 ){ db.scoreboard.find().sort({score:-1}).limit(10).forEach(function(err, doc){ if (doc && doc.name && doc.score ) { bot.say(to, doc.name + ": " + doc.score); } }); }});

UPDATING YOUR APPgit add package.json server.js

git commit -m 'adding a social scoreboard'

git push

SOCIAL REWARDS

ALLOCATING POINTSterm++

[raphael] Anyone down for pizza?[donatello] pizza++[ircbot] score: 43[raphael] Let's order two[leonardo] Good idea, Raph! raphael++[ircbot] score: 23

CHECKING THE SCOREBOARDircbot scoreboard

[ircbot] ircbot: 7[ircbot] ryanj: 4[ircbot] doris: -2

BOTS ON-DEMANDrhc app create ircbot nodejs-0.6 mongodb-2.2 --from-code=https://github.com/openshift-quickstart/irc-leaderboard-quickstart.git

You can find much more information about this npm IRClibrary here:

https://github.com/martynsmith/node-irc

Thanks for following along! --ryanj

REFERENCES

Building social IRC Bots with Node.js (Part 1)Leaderboards for IRC - Social Node.js Bots (Part 2)RHC command-line installer helpWhy contact Freenode on port 8001?IRC - It's how hackers talk. Luckily, I speak "leet"node-ircRun any version of Node.js on OpenShift

Building Social IDC Bots with Node.js and MongoDB

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