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AUTOMATED RELEASE MANAGEMENT

WITH TEAMCITY & OCTOPUSDEPLOY

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CONTINOUS DELIVERY

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Continuous Integration

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Continuous Deployment

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Continuous Delivery

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It’s all about frequent releases

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John Allspaw: “Ops metametrics” http://slidesha.re/dsSZIr

It’s all about failing fast

It’s all about expanding your horizon

Developer responsibility horizon

•Dude, it compiles!• It works on my machine•All tests pass•QA approved it• It’s working in production

“We don’t know, man, we just don’t know.” The confident Nick of months prior shook now, leading Fred to his cubicle. “We coded the application. We debugged until it compiled without errors. When we run it- core dump!” He threw up his hands, then dropped into his swivel chair. “We’ve been pestering IBM support, but they haven’t been very helpful.”“Well, why would they be?” Fred frowned, pausing at the cube threshold. “I mean, who knows what might be wrong with the code?”“Nothing’s wrong with it. It compiles!”“So? It could still have errors.”Nick swiveled around to face him. “Dude. It compiles.”

«Nothing at facebook is anyone elses problem» - Kent Beck (Is TDD dead –part 3)

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The deployment pipeline

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Test coverage

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http://www.industrieit.com/blog/2012/02/a-practical-guide-to-extending-continuous-integration-to-continuous-delivery/http://jamescrisp.org/2011/05/30/automated-testing-and-the-test-pyramid/

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Blue-green deployment

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Jez Humble: “Continous Delivery” http://www.slideshare.net/jezhumble/continuous-delivery-5359386

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Blue-green deployment

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Jez Humble: “Continous Delivery” http://www.slideshare.net/jezhumble/continuous-delivery-5359386

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Blue-green deployment

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Jez Humble: “Continous Delivery” http://www.slideshare.net/jezhumble/continuous-delivery-5359386

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Blue-green deployment

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Jez Humble: “Continous Delivery” http://www.slideshare.net/jezhumble/continuous-delivery-5359386

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Canary releasing

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Jez Humble: “Four principles or Low-Risk Software releases” http://www.informit.com/articles/article.aspx?p=1833567

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The arguments

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The arguments

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• Before: ~30 minutes• After: 4 minutes• 4 times per day• Time spent: 8 hours• Days until investment time paid:

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DEPLOYING A WEBSITE

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Basic asp.net mvc4 website

<hgroup class="title"> <h1>Welcome to ASP.NET Web API!</h1> <br /> <h2>

@WebApiApplication.Environment - @WebApiApplication.Version

</h2></hgroup>

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Web.Development.config

<?xml version="1.0"?><configuration xmlns:xdt="http://schemas.microsoft.com/XML-Document-Transform"> <appSettings> <add key="Environment" value="Development“

xdt:Transform="SetAttributes" xdt:Locator="Match(key)"/> </appSettings></configuration>

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Creating the Octopus NuGet package

• Why NuGet?– Metadata– Lots of available tools– Feed-based– Developers know how to use them– Already used for other purposes (check out chocolatey.org)

• Does NOT use the default NuGet conventions– Octopus deploys the exact structure of the package

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mvc4webapi.nuspec

<?xml version="1.0"?><package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd"> <metadata> <id>Itera.NDC2013.TCOD.Web</id> <title>ASP.NET MVC 4 Web Api demo site</title> <version>1.0.0</version> <authors>Kristoffer Rolf Deinoff</authors> <owners>Kristoffer Rolf Deinoff</owners> <licenseUrl>http://itera.no</licenseUrl> <projectUrl>http://itera.no</projectUrl> <requireLicenseAcceptance>false</requireLicenseAcceptance> <description>A sample project</description> <releaseNotes>First release</releaseNotes> </metadata></package>

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Using OctoPack

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Using TeamCity

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Using NuGet.exe

nuget.exe pack $nuspecFileName-OutputDirectory $contentDir-Version $version

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Configuring TeamCity

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Configuring TeamCity – Commit build

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Configuring TeamCity – VCS root

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Configuring TeamCity – Patch AssemblyInfo

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Configuring TeamCity - Compile

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Configuring TeamCity – Commit tests

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Configuring TeamCity – Trigger on check-in

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Configuring TeamCity – Build artifacts

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Configuring TeamCity – NuGet Server

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Configuring TeamCity – NuGet Server

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Configuring OctopusDeploy - Environments

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Configuring OctopusDeploy – NuGet server

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Configuring OctopusDeploy – Steps

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Configuring OctopusDeploy – Publish website

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Configuring OctopusDeploy – Publish website

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Configuring OctopusDeploy – Smoke test

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$url = ("http://" + $hostname + ":" + $port + "/")

Invoke-WebRequest $url -UseBasicParsing

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Configuring OctopusDeploy – UAT Verification

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Configuring OctopusDeploy – Variables

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Configuring OctopusDeploy – Security

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Configuring OctopusDeploy – Security

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Configuring TeamCity – Integration build

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Configuring TeamCity – Dependencies

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Configuring TeamCity – Create release

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Configuring TeamCity – Integration tests

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$url = ("http://tcod-build:8080/")

$TeamCitySession = New-Object Microsoft.PowerShell.Commands.WebRequestSessionInvoke-WebRequest -Uri $url -WebSession $TeamCitySession -UseBasicParsing

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DEPLOYING A SERVICE

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Asp.net mvc webapi as a service

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<appSettings> <add key="Environment" value="Local" /> <add key="Hostname" value="localhost" /> <add key="Port" value="8989" /> </appSettings>

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And then…

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Differences - Steps

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Differences - Publish service

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Differences - Variables

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Differences - Automated «Acceptance test»

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$url = ("http://tcod-build:8090/api/version")

$TeamCitySession = New-Object Microsoft.PowerShell.Commands.WebRequestSession$response = Invoke-WebRequest -Uri $url -WebSession $TeamCitySession -UseBasicParsing

if ($response.Content.Contains("Development")){ Write-Host "Correct environment(Development)."}else{ Write-Host Environment 'Development' not found. Exit 1}$buildNumber = $env:build_numberif ($response.Content.Contains($buildNumber)){ Write-Host "Correct build number($buildNumber)."}else{ Write-Host Build number '$buildNumber' not found. Exit 1}

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WRITING POWERSHELLS SCRIPTS

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Deploy.config

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<?xml version="1.0"?><configuration>

<name>MyProject</name><nuGet>

<url>"http://www.myget.org/F/MyProject/"</url><apiKey>xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx</apiKey><username>myUser</username><password>myPassword</password>

</nuGet></configuration>

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CreateOctopusPackage.ps1

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param ([string]$contentDir, [string]$version)

try{ $configFile = New-Object XML $configFile.Load('Deploy.config') $config = $configFile.configuration

$nuspecFileName = $config.name+'.nuspec' $targetNuspecFileName = Join-Path $contentDir $nuspecFileName

.\nuget.exe pack $targetNuspecFileName-OutputDirectory $contentDir-Version $version

}catch { Write-Error $error[0] Exit 1}

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PublishNuGet.ps1

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param ([string]$contentDir, [string]$version)

try{ $configFile = New-Object XML $configFile.Load('Deploy.config') $config = $configFile.configuration $nugetFileName = $config.name+'.'+$version+'.nupkg'

nuget sources Add -Name $config.name -Source $config.nuGet.url -Username $config.nuGet.username -Password $config.nuGet.password

nuget push $nugetFileName $config.nuGet.apiKey -Source $config.name nuget sources Remove -Name $config.name}catch { Write-Error $error[0] Exit 1}

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CreateMSDeployPackage.ps1

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param ([string]$sourceDir, [string]$targetPackage)

$BuildDir = (Split-Path $MyInvocation.MyCommand.Path -Parent) $msdeploy = $BuildDir + "\msdeploy.exe" $parameterFile = $BuildDir + "\parameters.xml"

$msdeploy_params = " -verb:sync"$msdeploy_params += " -source:contentPath=" + $sourceDir$msdeploy_params += " -dest:package=" + $targetPackage$msdeploy_params += " -declareParamFile:" + $parameterFile

Write-Host "creating '$targetPackage' from '$sourceDir'."try { iex "$msdeploy $msdeploy_params"}catch { Write-Error $error[0] Exit 1}

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Deploy.ps1

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. .\DeployUtil.ps1

$ServiceName = "Itera.NDC2013.TCOD.Service"$ServiceExecutable = $ServiceName + ".exe"

Install-WebApi-Service $ServiceName $ServiceExecutable

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DeployUtil.ps1

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function Install-WebApi-Service($name, $executable) { Write-Host "'$name'$executable'" $service = Get-Service $name -ErrorAction SilentlyContinue $fullPath = Resolve-Path $executable

if (! $service) { Write-Host "Installing service" $frameworkDir = Get-FrameworkDirectory Set-Alias install_util (Join-Path $frameworkDir "installutil.exe") install_util $fullPath } else { Write-Host "The service will be stopped and reconfigured" Stop-Service $name -Force & "sc.exe" config $service.Name binPath= $fullPath start= auto } $config = $executable + ".config" $port = Get-Port $config Set-User-Rights $port "NT AUTHORITY\NETWORK SERVICE" Write-Host "Starting service" Start-Service $name | Write-Host}

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DeployUtil.ps1

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function Get-FrameworkDirectory {$([System.Runtime.InteropServices.RuntimeEnvironment]::GetRuntimeDirectory())}

function Set-User-Rights($port, $user) { $uri = "http://+:$port/" $acls = (netsh http show urlacl url=$uri | Select-String -SimpleMatch $user) if ($acls.count -eq 0 ) { Write-Host "Setting rights for '$user' on $uri" netsh http add urlacl url=$uri user=$user | Write-Host } else { Write-Host "Rights already set for '$user' on $uri." }}

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DeployUtil.ps1

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function Get-Port($config){ Write-Host "Reading config file '$config'" $found = $FALSE $appConfig = [xml](cat .\$config) $appConfig.configuration.appSettings.add | foreach { if ($_.key -eq 'Port') { $port = $_.value $found = $TRUE } } if (-not $found) { $port = "8080“ } $($port)}

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AUTOMATING YOUR PROCESS

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Automating your process

• Create environments and projects• Add all the automated build steps you can• Add manual steps for the rest• Automate manual steps one by one• You can have more than one tentacle on a server

– Not as a service

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CONNECTING THE ISSUE TRACKER

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Connecting the issue tracker

• Connect TeacmCity throught Settings – Issue Tracker• Connect your issue tracker to TeamCity• Use the Issue tracker’s web api to get issues pending user acceptance

– Add them to releasenotes while deploying

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Kristoffer Rolf DeinoffLead Technologist

@gatepoet kristoffer.deinoff@itera.no