using Chocolatey for application deployments

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CHOCOLATEY
Software deployments using

Who am i
Owain Perry
Software architect at thetrainline.com
Twitter: owainperry
Blog: owainperry.com

What is Chocolatey?
 Chocolatey NuGet is a Machine Package
Manager, somewhat like apt-get, but built
withWindows in mind....

What is a package?
 A collection of stuff, glued into one file
 Msi
 Self extracting zip exe
 Zip file
 Nuget
 Rpm
...

What version is it?
 Packages should be versioned?
 Question:Which is more helpful?
 Setup.exe
 Setup_Notepadpp_1.2.3....

This is not new
 Unix has been doing this for the last 20 years
 Windows tried to do this with Msi #fail.

How do we get it there?
 What is wrong with this?
 //installers/files/notepadpp/setup.exe
 Share permissions
 Domain
...

What is installed?
 How do we find out what is installed on a
machine?
 Check the registry (add / remove programs)?
 Sc...

How do we replicate?
 We have multiple sites – how to replicate?
 Use windows file based replication
 Domain hell if no...

Some technology we have been
using
 Nuget.
 Zip file containing stuff
 API for downloading a specific version via HTTP
...

Artifactory
 Multiple repositories
 Virtual repositories
 Near real-time replication
 Simple to browse and search
 Th...

This can help ops people?
 Use the same pattern for installing everything
 Same command line
 Single repository of pack...

What I want?
 Simple and easy to use command line
interface
 Download via HTTP
 Download a specific version(s)
 List p...

Chocolatey
 Chocolatey NuGet is a Machine Package
Manager, somewhat like apt-get, but built
withWindows in mind. - See mo...

Chocolatey
 Nuget packages with extra stuff
 Tools/chocolatey-install.ps1

Commands
 chocolatey [install [packageName [-source source] [-version version] | pathToPac
 kagesConfig] | installmissin...

Commands - shortcuts
Cpack – create a chocolatey package (nuget
style)
Cpush – push a package
Cinst – install
Cup – update...

How most chocolatey.org
packages work

This is not ideal
 Hundreds of machines installing stuff
 Putting the implementation files into the package
keeps it all...

Dependants
 Chocolatey like nuget supports pulling down
and installing dependants
 E.g. getting version 2.1.1.0 of packa...

We can build them

What does an install script
look like?
 It’s just PowerShell.
 Everything you can do in PowerShell you
have at your fing...

What does an install script
look like?
$packageName = 'notepad++'
$silentArgs = '/S'
$validExitCodes = @(0)
$url = $(Split...

What is a chocolatey package
then?
 Nuget package with:
 /tools/chocolateyinstall.ps1
 /tools/chocolateyuninstall.ps1
...

Helpers
 Install-ChocolateyPackage
Install-ChocolateyZipPackage
Install-ChocolateyPowershellCommand
Install-ChocolateyVsi...

helpers
 Install-ChocolateyPackage
 Start-ChocolateyProcessAsAdmin
 Install-ChocolateyInstallPackage
 Install-Chocolat...

helpers
 Install-ChocolateyZipPackage
 Install-ChocolateyPowershellCommand
 Write-ChocolateySuccess
 Write-ChocolateyF...

Build a package
 We have a build script in nuget and a
repository layout to make this quick and easy
for 3rd party tools.

Quick demo

Install chocolatey
@powershell -NoProfile -ExecutionPolicy
unrestricted -Command "iex ((new-object
net.webclient).Download...

cinst
 Install a package
 Cinst <package name> (get from chocolatey.org)
 Cinst ttl-msysgit –source
http://get.pkgs.ttl...

clist
 Get a list of packages via the command line.
 Clist (get from chocolatey.org)
 Clist –source http://get.pkgs.ttl...

Using chef.
 Installation using chef is just this.

Or really this…

What’s installed? The chef way
 Chocolatey ohai plugin

So…
 We should consider using chocolatey to wrap
all existing installers
 Work is minimal to do this.
 Near real-time r...

Questions?

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