Phing

Tour credentials PHING

WHO AM I? • Bournemouth Uni Graduate (2009) • Clock Employee (July 2007) • Synth Media Employee (November 2009) • Software Engineer • Web Developer • Deployment Guy DOM UDALL • Music Fiend • Wannabe Producer • Average Bassist JoeMcCabe @Synth Media

SOCIAL MEDIA • domudall – srs. • weareclock – very srs. • dmno – not srs. IainGrant@Clock

GENERIC PRE-TALK APOLOGY/ DISCLAIMER http://www.flickr.com/photos/g_fox/4291356662/

Tour credentials WHAT IS PHING?

PHING IS

PHING IS AWESOME

WHAT IS PHING? PHing Is Not GNU make • Project build tool • Platform independent • Based on Apache Ant • Provides a simple OO model for extending • Uses XML build files • No required external dependencies • Open source • Built & optimised for ZendEngine2/PHP5

WHY? • Improve product quality • Eliminate automatable tasks • Minimises error (bad builds) • Eliminate dependencies on key personnel • Save time and money

HISTORY Andreas Anderhold • Originally a subproject of Binarycloud • Extensive use of XML for project metadata • Binarycloud built for PHP • Used GNU make, but had drawbacks • Ant written in Java • Phing used to “compile” metadata into PHP • Centralised project metadata (data model) • Build multi-language pages from one source Michiel Rook Hans Lellelid

Tour credentials MANY MANY THINGS

WHAT IT CAN DO • Lots – Not just for deployment • Provides interface to installed software • SVN tasks • PHPUnit/SimpleTest • Code analysis tasks • PhpDocumentor • PhpLint/JslLint/XmlLint • Zip/Unzip • File manipulation • Various OS tasks wordle.net

WHY USE PHING? • Least common denominator • Provides single script entry point • Standardises common tasks • Ability to depend on other tasks • Highly extendible • Written in PHP

GETTING STARTED Simple installation via PEAR $> pear channel‐discover pear.phing.info $> pear install phing/phing Or beta/RC version available via PEAR $> pear install phing/phing‐beta Also available from: • SVN • Zip Download

BUILD FILE

$> phing ‐l Buildfile: /var/application/Project/build.xml [property] Loading /var/application/Project/build.properties Default target: ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ document Builds the documentation for this project Main targets: ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ document Builds the documentation for this project Subtargets: ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ cleanDocumentPath

WHAT CLOCK DID • Started using Xinc for continuous integration • ... Kind of. • Regular SVN exports to staging environments • Constructing zip files of project ‘widgets’ • Still only doing single server deployments • Following a long-winded / prone to error doc

Tour credentials DEPLOYMENT

THE OLD WAY

<target name="phplint"> <phplint> LEARNING CURVE ... </phplint> </target> • Introduced facade targets <target name="codesniff" depends="phplint"> <phpcodesniffer standard="PEAR" format="summary"> ... </phpcodesniffer> </target> <target name="phpunit" depends="codesniff"> <phpunit> ... </phpunit> </target>

<target name="phplint"> <phplint> LEARNING CURVE ... </phplint> </target> • Introduced facade targets <target name="codesniff" depends="phplint"> <phpcodesniffer standard="PEAR" format="summary"> ... </phpcodesniffer> </target> <target name="phpunit" depends="codesniff"> <phpunit> ... </phpunit> </target> <target name= "total‐report" depends="phplint, codesniff, phpunit" description=“Creates reports for project quality." />

LEARNING CURVE • Introduced facade targets • Moved all the properties out

LEARNING CURVE • Introduced facade targets • Moved all the properties out • Used properties for configurability

<target name="phplint‐report"> <phplint> LEARNING CURVE <fileset dir="${build.src}"> <include name="**/*.php"/> </fileset> </phplint> • Introduced facade targets </target> • Moved all the properties out <target name="sniff‐report”> <phpcodesniffer standard="PEAR" format="summary"> • Used properties for configurability <fileset dir="${build.src}"> <include name="**/*.php"/> • Defined and reused elements with ids </fileset> </phpcodesniffer> </target>

<fileset id="src_artifacts" dir="${build.src}"> LEARNING CURVE <include name="**/*.php"/> </fileset> <target name="phplint‐report"> • Introduced facade targets <phplint> <fileset refid="src_artifacts" /> • Moved all the properties out </phplint> </target> • Used properties for configurability <target name="sniff‐report"> <phpcodesniffer standard="PEAR" • Defined and reused elements with ids format="summary"> <fileset refid="src_artifacts" /> </phpcodesniffer> </target>

• Version numbering LEARNING CURVE /css/structure.css?v=@VERSION‐NUMBER@ • Application bootstrap template • Introduced facade targets • Apache configuration template • Moved all the properties out • Additional Apache modules • Used properties for configurability • Cron-related template • Defined and reused elements with ids • Use of reflexives and replacements

LEARNING CURVE • Introduced facade targets • Moved all the properties out • Used properties for configurability • Defined and reused elements with ids • Use of reflexives and replacements • Separating build files

THE PHING WAY

HOW TO PUT A SITE LIVE $> phing deployLive Which revision would you like to deploy? Which version number are you deploying? $> phing setupLive $> phing createDatabase Database to update? Host? Port? Password? Process deltas? Recreate database? OR $> phing updateDatabase Database to update? Host? Port? Password?

Tour credentials DATABASE

DATABASE CHANGES • Our first experience of extending Phing • DbDeploy task initially caused issues • All SQL required is saved to SVN • Broken down into schema and delta • Choice of complete recreation or update • On database creation, each file gets run • Record of files run gets stored in the DB • On update, delta files not run get executed • Has similar rollback facility to DbDeploy

EXTENDING • Include phing/Task.php class • Use main() function to perform task • Use setX functions to pass through properties • Can use filesets too

LIMITATIONS • Configuration changes not instant • Not everything available on all OSs • Can become monolithic • Undefined properties not raised as an error • No internal persistence of state • Little to no IDE support

SUMMARY • Simplify repetitive tasks • Single entry point • Reduces project learning curve • Highly extendible • Eliminate dependencies on key personnel • Saves time • Minimises human error • Easier to explain over the phone • Really good for what we do

MORE! WEBSITE http://phing.info MAILING LISTS users@phing.tigris.org dev@phing.tigris.org

THANK YOU • Paul Serby • Clock Tech Team • Syd Nadim • Lucy Jack • James Jonathan Ainsworth FUELLED BY • Infadels: http://open.spotify.com/album/2BluVKnyc2suYnMcrZoM7n • Caravan Palace: http://open.spotify.com/album/0AQU2cTRwdbTHkkJLmZZpG • Two Door Cinema Club: http://open.spotify.com/album/7xujTLL1kWNWH7vKUhgVoi • Bonobo: http://open.spotify.com/album/412m7Fq2zFtCB9uwNNxNM0 • Yuksek: http://open.spotify.com/album/3iOJeCzNdLTSM5d1Xo4hK5 • Pablo Decoder: http://open.spotify.com/track/3TpVphH9rkzrimGvcNuSmx

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