NewRelic.Agents.psm1
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<# .Synopsis Confirms the user is running as an admin in an elevated session. .Description Confirms the user is running as an admin in an elevated session. If not throws an error. .Example Confirm-RunAsAdmin #> Function Confirm-RunAsAdmin { [CMDLetBinding()] [OutputType([System.Boolean])] Param ( ) if([bool](([System.Security.Principal.WindowsIdentity]::GetCurrent()).groups -match "S-1-5-32-544")){ return $true }else{ Throw "You must run this as an admin and in an elevated session to proceed." } } <# .Synopsis Combines 2 HashTables into one HashTable .Description Combines 2 HashTables into one HashTable. If they have duplicate keys the override value will be used. .Example Join-HashTable -Base $Hash -Override $Hash2 #> Function Join-HashTable { [CMDLetBinding()] [OutputType([System.Collections.Hashtable])] Param ( [Parameter (Mandatory = $true)] [Hashtable] $Base, [Parameter (Mandatory = $true)] [Hashtable] $Override ) # Copy keys into new hash not to modify the original $returnHash = @{} foreach ($key in $Base.Keys) { $returnHash.Add($key, $Base[$key]) } foreach ($key in $Override.Keys) { if($null -eq $returnHash[$key]){ Write-Verbose "Adding settings $key" $returnHash.Add($key, $Override[$key]) }else{ if($returnHash[$key] -ne $Override[$key]){ Write-Verbose "Updating setting $key" $returnHash[$key] = $Override[$key] } } } return $returnHash } <# .Synopsis Gets installed software from the registry .Description Gets installed software from the registry at HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ .Example Get-InstalledSoftwareFromRegistry .Example Get-InstalledSoftwareFromRegistry -Name 'New Relic .NET Agent*' .Parameter Name Filters the list of software based on the name provided, can use wildcards #> Function Get-InstalledSoftwareFromRegistry { [CMDLetBinding()] Param ( [Parameter (Mandatory = $false)] [String] $Name = '*' ) $installList = Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' | Select-Object Name $Software = @() foreach ($install in $installList) { $properties = Get-ItemProperty $install.Name.Replace('HKEY_LOCAL_MACHINE', 'HKLM:') if($properties -and $properties.DisplayName){ $Software += [PSCustomObject]@{ DisplayName = $properties.DisplayName DisplayVersion = $properties.DisplayVersion } } } Return $Software | Where-Object {$_.DisplayName -like $Name} } |