azureDevOps.ps1

configuration azureDevOps
{
    Import-DscResource -ModuleName 'PSDesiredStateConfiguration';
    Import-DscResource -ModuleName 'xPSDesiredStateConfiguration';
    Import-DscResource -ModuleName 'cChoco';

    $adoPat = Get-AutomationVariable -Name 'adoPat';

    Node $AllNodes.nodeName
    {
        Script initializeRawDisks 
        {
            GetScript = {
                [bool]$rawDisks = [bool]$(Get-Disk | ? {$_.PartitionStyle -eq 'RAW'});
                return @{"Result" = $rawDisks};
            }
            SetScript = {
                $rawDisks = Get-Disk | ? {$_.PartitionStyle -eq 'RAW'};

                foreach ($disk in $rawDisks)
                {
                    # TODO: identify and assign datadisk name from ARM
                    $disk | Initialize-Disk -PartitionStyle MBR -PassThru | 
                        New-Partition -AssignDriveLetter -UseMaximumSize | 
                        Format-Volume -FileSystem NTFS -NewFileSystemLabel "dataDisk" -Force;
                }
            }
            TestScript = {
                $rawDisks = Get-Disk | ? {$_.PartitionStyle -eq 'RAW'};
                if ($rawDisks)
                {
                    return $false;
                }                
                else
                {
                    return $true;
                }
            }
        }

        xRemoteFile adoAgent 
        {
            DestinationPath = "$($env:TEMP)\$($configurationData.AllNodes.agentBits)"
            Uri             = $configurationData.AllNodes.agentUri
            DependsOn       = "[Script]initializeRawDisks"
        }

        for ($i = 0; $i -lt $configurationData.AllNodes.agentCount; $i++)
        { 
            File $("agentDirectory" + $i)
            {
                DestinationPath = $configurationData.AllNodes.agentPath + $i
                Type            = "Directory"
                Ensure          = "Present"
                DependsOn       = "[xRemoteFile]adoAgent"
            }
    
            xArchive $("adoAgent" + $i)
            {
                Path        = "$($env:TEMP)\$($configurationData.AllNodes.agentBits)"
                Destination = $configurationData.AllNodes.agentPath + $i
                Force       = $true
                Ensure      = "Present"
                DependsOn   = "[File]$("agentDirectory" + $i)"
            }
    
            Script $("installAdoAgent" + $i)
            {
                GetScript = {
                    [bool]$adoAgentService = [bool]$(Get-Service | ? {$_.Name -like "vstsagent*$($env:COMPUTERNAME + "_agent" + $using:i)"});
                    return @{"Result" = $adoAgentService};
                }
                SetScript = {
                    & "$($using:configurationData.AllNodes.agentPath + $using:i)\config.cmd" --unattended --url $using:configurationData.AllNodes.adoUrl --auth PAT `
                    --token $using:adoPat --pool $using:configurationData.AllNodes.adoAgentPool --agent $($env:COMPUTERNAME + "_agent" + $using:i) `
                    --runAsService --windowsLogonAccount $using:configurationData.AllNodes.adoAgentAccount --work $($using:configurationData.AllNodes.agentPath + $using:i);

                    if ($LASTEXITCODE -ne 0)
                    {
                        throw "Error installing ADO agent";
                    }
                }
                TestScript = {
                    $adoAgentService = Get-Service | ? {$_.Name -like "vstsagent*$($env:COMPUTERNAME + "_agent" + $using:i)"};
                    if ($adoAgentService)
                    {
                        return $true;
                    }                
                    else
                    {
                        return $false;
                    }
                }
                DependsOn = "[xArchive]$("adoAgent" + $i)"
            }
        }

        Script installAzModules 
        {
            GetScript = {
                [bool]$azModule = [bool]$(Get-Module -ListAvailable Az);
                return @{"Result" = $azModule};
            }
            SetScript = {
                Install-Module -Name Az -Force;
            }
            TestScript = {
                $azModule = Get-Module -ListAvailable Az;
                if ($azModule)
                {
                    return $true;
                }                
                else
                {
                    return $false;
                }
            }
        }

        cChocoInstaller installChocolatey
        {
            InstallDir = "C:\ProgramData\Chocolatey"
        }

        cChocoPackageInstaller visualstudio2019buildtools
        {
            Name        = "visualstudio2019buildtools"
            AutoUpgrade = $true
            Ensure      = "Present"
            DependsOn   = "[cChocoInstaller]installChocolatey"
        }

        cChocoPackageInstaller visualstudio2019netcorebuildtools
        {
            Name        = "visualstudio2019-workload-netcorebuildtools"
            AutoUpgrade = $true
            Ensure      = "Present"
            DependsOn   = "[cChocoInstaller]installChocolatey"
        }

        cChocoPackageInstaller visualstudio2019azurebuildtools
        {
            Name        = "visualstudio2019-workload-azurebuildtools"
            AutoUpgrade = $true
            Ensure      = "Present"
            DependsOn   = "[cChocoInstaller]installChocolatey"
        }

        cChocoPackageInstaller jmeter
        {
            Name        = "jmeter"
            AutoUpgrade = $true
            Ensure      = "Present"
            DependsOn   = "[cChocoInstaller]installChocolatey"
        }

        cChocoPackageInstaller azCli
        {
            Name        = "azure-cli"
            AutoUpgrade = $true
            Ensure      = "Present"
            DependsOn   = "[cChocoInstaller]installChocolatey"
        }

        cChocoPackageInstaller powershellCore
        {
            Name        = "powershell-core"
            AutoUpgrade = $true
            Ensure      = "Present"
            DependsOn   = "[cChocoInstaller]installChocolatey"
        }
    }
}