Demo script for my PowerShell v4 Desired State Configuration presentation at the Sydney DevOps user group in September 2013

demo.ps1

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Configuration SydDevOpsDemo {
    param (
        [Parameter(Mandatory)]
        [string]
        $LogMessage
    )

    Node localhost {

        WindowsFeature TelnetClient {
            Ensure = 'Present'
            Name = 'Telnet-Client'
        }

        Log LogBefore {
            Message = 'Before LogMessage demo'
        }

        Log LogMessage {
            Message = $LogMessage
            DependsOn = '[Log]LogBefore'
        }

        Log LogAfter {
            Message = 'After LogMessage demo'
            DependsOn = '[Log]LogMessage'
        }

    }

}

SydDevOpsDemo -LogMessage "Convert to MOF at $(Get-Date)"

& notepad SydDevOpsDemo\localhost.mof

$AnalyticLog = Get-WinEvent -ListLog Microsoft-Windows-DSC/Analytic
$AnalyticLog.IsEnabled = $true
$AnalyticLog.SaveChanges()

Start-DscConfiguration -Path SydDevOpsDemo -Wait -Verbose

Get-WinEvent -LogName Microsoft-Windows-DSC/Analytic -Oldest | ogv

wevtutil clear-log Microsoft-Windows-DSC/Analytic

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Test-DscConfiguration

Get-DscConfiguration

Uninstall-WindowsFeature -Name Telnet-Client

Test-DscConfiguration

Get-DscConfiguration

Restore-DscConfiguration

Test-DscConfiguration

Get-DscConfiguration

Get-WindowsFeature -Name Telnet-Client

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Get-DscLocalConfigurationManager

Configuration FileSharePull {
    LocalConfigurationManager {
        RefreshMode = 'Pull' # Push
        DownloadManagerName = 'DSCFileDownloadManager'
        DownloadManagerCustomData = @{ SourcePath = '\\DevOpsDSC\Share\' }
        ConfigurationId = 'UseSystemUUID'

        ConfigurationMode = 'ApplyAndMonitor' # ApplyOnly, ApplyAndAutoCorrect
        ConfigurationModeFrequencyMins = 30

        RebootNodeIfNeeded = $false

        #AllowModuleOverwrite
        #CertificateID
        #Credential
    }
}

FileSharePull

& notepad FileSharePull\localhost.meta.mof

Set-DscLocalConfigurationManager -Path FileSharePull

Get-DscLocalConfigurationManager

Get-FileHash -Path SydDevOpsDemo\*.mof <# -Algorithm SHA1 #>

Get-FileHash -Path SydDevOpsDemo\*.mof | % { Set-Content -Path "$($_.Path).checksum" -Value $_.Hash -Encoding Ascii }

Get-ChildItem -Path SydDevOpsDemo

Get-ScheduledTask -TaskPath '\Microsoft\Windows\Desired State Configuration\' | Tee-Object -Variable Tasks

$Tasks.Actions

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Get-ChildItem -Path $env:SystemRoot\System32\Configuration

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Get-DscResource

Get-DscResource -Name User -Syntax

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Configuration MultiNodeDemo {

    Node DevOpsDSC {

        WindowsFeature TelnetClient {
            Ensure = 'Present'
            Name = 'Telnet-Client'
        }

    }

    Node DevOpsWeb {

        WindowsFeature TelnetClient {
            Ensure = 'Present'
            Name = 'Telnet-Client'
        }

        WindowsFeature WebServer {
            Ensure = 'Present'
            Name = 'Web-Server'
        }

    }

}

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Configuration ConfigurationDataDemo {

    Node $AllNodes.NodeName {
        WindowsFeature TelnetClient {
            Ensure = 'Present'
            Name = 'Telnet-Client'
        }
        Log LogMessage {
            Message = "Installed telnet client: $($Node.LogMessage)"
            DependsOn = '[WindowsFeature]TelnetClient'
        }
    }

    Node $AllNodes.Where({ $_.NodeRole -eq 'Web' }).NodeName {
        WindowsFeature WebServer {
            Ensure = 'Present'
            Name = 'Web-Server'
        }
    }

}

$Nodes = @{
    AllNodes = @( 
        @{
            NodeName = '*'
            LogMessage = 'Message for all nodes'
            #PSDscAllowPlainTextPassword = $true
        }
        @{ 
            NodeName = 'DevOpsDSC.devops.intranet'
            NodeRole = 'PullServer'
        }
        @{ 
            NodeName = 'DevOpsWeb.devops.intranet'
            NodeRole = 'Web'
            LogMessage = 'Message for DevOpsWeb'
        }
    )
}

ConfigurationDataDemo -ConfigurationData $Nodes

Start-DscConfiguration ConfigurationDataDemo -Wait -Verbose

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