Using software modules welcome to hell!

Using Software Modules - Welcome to

Hell!

2

Who’s talking?

@jbaruchgithub.com/jbaruch

Agenda

25 minutes125 slides30 memes

Packages & Modules

Modules Packages

Packages & Modules

Modules PackagesAPIdevelopment

Packages & Modules

Modules PackagesAPIdevelopment

Installableruntime

For the sake of this talk

Modules, modules, modules


System dpkg, RPM, tgz, pacman, ipkg, pkgutils, PETget, Upkg, PISI, nix, Equo, Conary, tazpkg, App Store, MacPorts, fink, Homebrew, Google Play, GetJar, Amazon Appstore, Cygwin, Npackd, Steam, Chocolately, NSIS, IPS


System dpkg, RPM, App Store, Homebrew, Google Play, Steam



Dev. Cabal, Composer, CPAN, CRAN, Python eggs, Ivy, Maven, Gradle, sbt, leiningen, PyPI, NuGet, RubyGems, Quicklisp, CocoaPods



Dev. Ivy, Maven, Gradle, sbt, PyPI, NuGet, RubyGems, CocoaPods




Framework

RoR, Grails, jQuery, Node.js, Spring Roo, JBoss Forge, Play, Chef, Puppet, Eclipse




Framework

RoR, Grails, jQuery, Node.js, Spring Roo, Chef, Puppet, Eclipse




Framework

RoR, Grails, jQuery, Node.js, Spring Roo, Chef, Puppet, Eclipse

Application

Any pluggable application!

DRAGON STORIES AHEAD!

fACDdb

STORY NUMBER ONE

f

, A STORY OF INDEXES +

, A STORY OF INDEXES +

< KEPT IN WRONG PLACE >

Once Upon A Time…

Once Upon A Time…

Can’t serve…

searches…

Not anymore…

Look ma, no index download!

- Have to download huge files Before Searching


- Updated rarely


- Updated rarely

- Requires special client


- Updated rarely

- Requires special client

F-

Who’s good, who’s not?

NuGet RubyGems

DebRPMMaven

Who’s good, who’s not?

NuGet RubyGems

DebRPMMaven

Good Excuse:old tools

Lesson learned

Index on the server-side,expose query API

STORY NUMBER TWO

A

Heinrich Heine

STORY NUMBER TWO (AND A HALF)

AA

He cut his ear off and died unappreciated

Lesson learned

Authenticate by public identity;

Give credit to the developer

Identified, credited. Well Done.

STORY NUMBER THREE

C

Imagine a typical windows user

Depending on name only

Depending on name onlyWhere’s the

version, dude?!

TIME FOR THE BOROMIR MEME!

You knew it is coming!

Single Namespace TroublesScope Trouble Examples Work-

around


aroundSystem Can’t

use multiple versions,update all




RPMs, Ruby, Groovy




RPMs, Ruby, Groovy

RVM, GVM,Homebrew




RPMs, Ruby, Groovy

RVM, GVM,Homebrew

Platform

Classpath/DLL hell




RPMs, Ruby, Groovy

RVM, GVM,Homebrew

Platform

Classpath/DLL hell

Transitive dependency conflicts




RPMs, Ruby, Groovy

RVM, GVM,Homebrew

Platform

Classpath/DLL hell

Transitive dependency conflicts

Uberjar /Static compilation

Interlude…

Maven’s Conflict Manager

A v1


A v1

E v1


A v1

E v1

D v1


A v1

B v1E v1

D v1


A v1

C v1

B v1E v1

D v1


A v1

C v1

B v1

D v2

E v1

D v1

BOROMIR RETURNS!Reprise…

Just not very usable…

Lesson learned

Provide isolation and easy uninstall

STORY NUMBER FOUR

g

Version ranges

Stuff Suddenly stops working

Lesson learned

Require explicitdependency versions

STORY NUMBER FIVE

D

Like vodka and

beer…

…Config.

and Metadat

a…

…Just won’t mix.

So, a user had a project…

My Project

‘A1’

My Project

‘A1’

<alwaysUse> <repository>MyRepo</repository></alwaysUse>

MyRepo

My Project

‘A1’<dependency>B1</dependency>


MyRepo

My Project



MyRepo

Project ‘B1’

My Project



MyRepo

Project ‘B1’

BadRepo

<repository>BadRepo</repository><dependency>C1</dependency>

My Project

‘A1’ <dependency>B1</dependency><dependency>C1</dependency>

<repository>MyRepo</repository><repository>BadRepo</repository>

MyRepo

Project ‘B1’

BadRepo

Lesson learned

Don’t mix vodka and beer configuration and

metadata

NO MORE STORIES,ONE MORE THINGOOO

fACDdb

Doc predicts

All you need is cloud

Using software modules welcome to hell!

Technology

Transcript of Using software modules welcome to hell!