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Get-SQLInstance.ps1
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Get-SQLInstance.ps1
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Function Get-SQLInstance {
<#
.SYNOPSIS
Retrieves SQL server information from a local or remote servers.
.DESCRIPTION
Retrieves SQL server information from a local or remote servers. Pulls all
instances from a SQL server and detects if in a cluster or not.
.PARAMETER ComputerName
Local or remote systems to query for SQL information.
.PARAMETER WMI
If specified, try to pull and correlate WMI information for SQL
I've done limited testing in matching up the service info to registry info.
Suggestions would be appreciated!
.NOTES
Name: Get-SQLInstance
Author: Boe Prox, edited by cookie monster (to cover wow6432node, WMI tie in)
DateCreated: 07 SEPT 2013
.FUNCTIONALITY
Computers
.EXAMPLE
Get-SQLInstance -Computername DC1
SQLInstance : MSSQLSERVER
Version : 10.0.1600.22
isCluster : False
Computername : DC1
FullName : DC1
isClusterNode : False
Edition : Enterprise Edition
ClusterName :
ClusterNodes : {}
Caption : SQL Server 2008
SQLInstance : MINASTIRITH
Version : 10.0.1600.22
isCluster : False
Computername : DC1
FullName : DC1\MINASTIRITH
isClusterNode : False
Edition : Enterprise Edition
ClusterName :
ClusterNodes : {}
Caption : SQL Server 2008
Description
-----------
Retrieves the SQL information from DC1
.EXAMPLE
#Get SQL instances on servers 1 and 2, match them up with service information from WMI
Get-SQLInstance -Computername Server1, Server2 -WMI
Computername : Server1
SQLInstance : MSSQLSERVER
SQLBinRoot : D:\MSSQL11.MSSQLSERVER\MSSQL\Binn
Edition : Enterprise Edition: Core-based Licensing
Version : 11.0.3128.0
Caption : SQL Server 2012
isCluster : False
isClusterNode : False
ClusterName :
ClusterNodes : {}
FullName : Server1
ServiceName : SQL Server (MSSQLSERVER)
ServiceState : Running
ServiceAccount : domain\Server1SQL
ServiceStartMode : Auto
Computername : Server2
SQLInstance : MSSQLSERVER
SQLBinRoot : D:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Binn
Edition : Enterprise Edition
Version : 10.50.4000.0
Caption : SQL Server 2008 R2
isCluster : False
isClusterNode : False
ClusterName :
ClusterNodes : {}
FullName : Server2
ServiceName : SQL Server (MSSQLSERVER)
ServiceState : Running
ServiceAccount : domain\Server2SQL
ServiceStartMode : Auto
#>
[cmdletbinding()]
Param (
[parameter(ValueFromPipeline=$True,ValueFromPipelineByPropertyName=$True)]
[Alias('__Server','DNSHostName','IPAddress')]
[string[]]$ComputerName = $env:COMPUTERNAME,
[switch]$WMI
)
Begin {
$baseKeys = "SOFTWARE\\Microsoft\\Microsoft SQL Server",
"SOFTWARE\\Wow6432Node\\Microsoft\\Microsoft SQL Server"
}
Process {
ForEach ($Computer in $Computername) {
$Computer = $computer -replace '(.*?)\..+','$1'
Write-Verbose ("Checking {0}" -f $Computer)
#This is Boe's code. He outputs it outright, I'm assigning to allInstances to correlate with WMI later
$allInstances = foreach($baseKey in $baseKeys){
Try {
$reg = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey('LocalMachine', $Computer)
$regKey= $reg.OpenSubKey($baseKey)
If ($regKey.GetSubKeyNames() -contains "Instance Names") {
$regKey= $reg.OpenSubKey("$baseKey\\Instance Names\\SQL" )
$instances = @($regkey.GetValueNames())
}
ElseIf ($regKey.GetValueNames() -contains 'InstalledInstances') {
$isCluster = $False
$instances = $regKey.GetValue('InstalledInstances')
}
ElseIf ($regKey.GetValueNames() -contains 'InstalledInstances') {
$isCluster = $False
$instances = $regKey.GetValue('InstalledInstances')
}
Else {
Continue
}
If ($instances.count -gt 0) {
ForEach ($instance in $instances) {
$nodes = New-Object System.Collections.Arraylist
$clusterName = $Null
$isCluster = $False
$instanceValue = $regKey.GetValue($instance)
$instanceReg = $reg.OpenSubKey("$baseKey\\$instanceValue")
If ($instanceReg.GetSubKeyNames() -contains "Cluster") {
$isCluster = $True
$instanceRegCluster = $instanceReg.OpenSubKey('Cluster')
$clusterName = $instanceRegCluster.GetValue('ClusterName')
$clusterReg = $reg.OpenSubKey("Cluster\\Nodes")
$clusterReg.GetSubKeyNames() | ForEach {
$null = $nodes.Add($clusterReg.OpenSubKey($_).GetValue('NodeName'))
}
}
$instanceRegSetup = $instanceReg.OpenSubKey("Setup")
Try {
$edition = $instanceRegSetup.GetValue('Edition')
} Catch {
$edition = $Null
}
Try {
$SQLBinRoot = $instanceRegSetup.GetValue('SQLBinRoot')
} Catch {
$SQLBinRoot = $Null
}
Try {
$ErrorActionPreference = 'Stop'
#Get from filename to determine version
$servicesReg = $reg.OpenSubKey("SYSTEM\\CurrentControlSet\\Services")
$serviceKey = $servicesReg.GetSubKeyNames() | Where {
$_ -match "$instance"
} | Select -First 1
$service = $servicesReg.OpenSubKey($serviceKey).GetValue('ImagePath')
$file = $service -replace '^.*(\w:\\.*\\sqlservr.exe).*','$1'
$version = (Get-Item ("\\$Computer\$($file -replace ":","$")")).VersionInfo.ProductVersion
} Catch {
#Use potentially less accurate version from registry
$Version = $instanceRegSetup.GetValue('Version')
} Finally {
$ErrorActionPreference = 'Continue'
}
New-Object PSObject -Property @{
Computername = $Computer
SQLInstance = $instance
SQLBinRoot = $SQLBinRoot
Edition = $edition
Version = $version
Caption = {Switch -Regex ($version) {
"^12" {'SQL Server 2014';Break}
"^11" {'SQL Server 2012';Break}
"^10\.5" {'SQL Server 2008 R2';Break}
"^10" {'SQL Server 2008';Break}
"^9" {'SQL Server 2005';Break}
"^8" {'SQL Server 2000';Break}
"^7" {'SQL Server 7.0';Break}
Default {'Unknown'}
}}.InvokeReturnAsIs()
isCluster = $isCluster
isClusterNode = ($nodes -contains $Computer)
ClusterName = $clusterName
ClusterNodes = ($nodes -ne $Computer)
FullName = {
If ($Instance -eq 'MSSQLSERVER') {
$Computer
} Else {
"$($Computer)\$($instance)"
}
}.InvokeReturnAsIs()
} | Select Computername, SQLInstance, SQLBinRoot, Edition, Version, Caption, isCluster, isClusterNode, ClusterName, ClusterNodes, FullName
}
}
} Catch {
Write-Warning ("{0}: {1}" -f $Computer,$_.Exception.Message)
}
}
#If the wmi param was specified, get wmi info and correlate it!
if($WMI){
Try{
#Get the WMI info we care about.
$sqlServices = $null
$sqlServices = @(
Get-WmiObject -ComputerName $computer -query "select DisplayName, Name, PathName, StartName, StartMode, State from win32_service where Name LIKE 'MSSQL%'" -ErrorAction stop |
#This regex matches MSSQLServer and MSSQL$*
Where-Object {$_.Name -match "^MSSQL(Server$|\$)"} |
select DisplayName, StartName, StartMode, State, PathName
)
#If we pulled WMI info and it wasn't empty, correlate!
if($sqlServices){
Write-Verbose "WMI Service info:`n$($sqlServices | Format-Table -AutoSize -Property * | out-string)"
foreach($inst in $allInstances){
$matchingService = $sqlServices |
Where {$_.pathname -like "$( $inst.SQLBinRoot )*" -or $_.pathname -like "`"$( $inst.SQLBinRoot )*"} |
select -First 1
$inst | Select -property Computername,
SQLInstance,
SQLBinRoot,
Edition,
Version,
Caption,
isCluster,
isClusterNode,
ClusterName,
ClusterNodes,
FullName,
@{ label = "ServiceName"; expression = {
if($matchingService){
$matchingService.DisplayName
}
else{"No WMI Match"}
}},
@{ label = "ServiceState"; expression = {
if($matchingService){
$matchingService.State
}
else{"No WMI Match"}
}},
@{ label = "ServiceAccount"; expression = {
if($matchingService){
$matchingService.startname
}
else{"No WMI Match"}
}},
@{ label = "ServiceStartMode"; expression = {
if($matchingService){
$matchingService.startmode
}
else{"No WMI Match"}
}}
}
}
}
Catch {
Write-Warning "Could not retrieve WMI info for '$computer':`n$_"
$allInstances
}
}
else {
$allInstances
}
}
}
}