PowerShell Octopus Deploy Snippets

# List files in a directory

Get-ChildItem -Path "C:\Temp\SomeDirectory" -File

# Display contents of a file

Get-Content "D:\Applications\Server\Application\Version\web.config"

# Update contents of web.config AppSetting

$webConfig = "D:\Applications\Server\Application\Version\web.config"
$doc = (Get-Content $webConfig) -as [Xml]
$obj = $doc.configuration.appSettings.add | where {$_.Key -eq 'SomeAppSettingKey'}
Write-Output $obj
#$obj.value = 'SomeNewValue'
#$doc.Save($webConfig)

# Show all the IIS bindings on a machine

Import-Module Webadministration
Get-ChildItem -Path IIS:\Sites

# Delete a website

Remove-WebSite -Name TestSite

# Get DLL version info

Get-Item "D:\Applications\Server\Application\bin\SOME-DLL.dll" | Format-List -Property *version*

# Replace text in a file

$path = "D:\Applications\Server\Application\SOME-FILE.TXT"
(Get-Content $path) -replace 'GOOD', 'EVIL' | out-file $path 

# List local users and groups

$Computer = $env:COMPUTERNAME
Write-Host "Users & groups on $Computer"
$Results = @()
([adsi]"WinNT://$Computer").psbase.Children | ? {$_.SchemaClassName -eq 'Group'} | % {
    foreach ($Member in $($_.psbase.invoke('members'))) {
        $Results += New-Object -TypeName PSCustomObject -Property @{
            name = $Member.GetType().InvokeMember("Name", 'GetProperty', $null, $Member, $null) 
            class = $Member.GetType().InvokeMember("Class", 'GetProperty', $null, $Member, $null) 
            path = $Member.GetType().InvokeMember("ADsPath", 'GetProperty', $null, $Member, $null)
            group = $_.psbase.name
        } | ? {($_.Class -eq 'User') -and ([regex]::Matches($_.Path,'/').Count -eq 4)}
    }
}
$Results | Group-Object Name | Select-Object Name,@{name='Group';expression={$_.Group | % {$_.Group}}},@{name='Computer';expression={$Computer}}

# Create local user account

NET USER username "your-temp-password" /ADD /passwordchg:yes /Y
NET LOCALGROUP "Administrators" "username" /add