public/Compare-Servers.ps1
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function Compare-Servers { Param ( [Parameter(Mandatory=$true, Position=0)] $Server1, [Parameter(Mandatory=$true, Position=1)] $Server2, [ValidateSet("SystemInfo","Services","Features","Programs","HotFixes","NetStat")] [Parameter(Position=2)] $DataSet = "SystemInfo", [Switch] $RawDataOnly, [System.Management.Automation.PSCredential] $Server1Credential = $admincred, [System.Management.Automation.PSCredential] $Server2Credential = $admincred ) ## Define functions function systeminfo { $data1 = Get-Systeminfo -ComputerName $server1 -Credential $Server1Credential $data2 = Get-Systeminfo -ComputerName $server2 -Credential $Server2Credential if ($RawDataOnly){ $smash = @() $smash += $data1 $smash += $data2 return $smash } else { Write-Verbose "Formatting data for $server1 and $server2 :: Data Type - $DataSet" $properties = ($data1 | Get-Member -Type NoteProperty).name $table = @() foreach ($p in $properties){ $comp = $null $comp = Compare-Object -ReferenceObject $data1 -DifferenceObject $data2 -Property $p -includeEqual if (($comp | Measure-Object).count -eq 2){ $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Property = $p Status = "Diff" $Server1 = $comp.($p)[1] $Server2 = $comp.($p)[0] } $table += $object } elseif (($comp | Measure-Object).count -eq 1){ $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Property = $p Status = "Equal" $Server1 = $comp.($p) $Server2 = $comp.($p) } $table += $object } else { Write-Error " WTF?!?! something happened with Compare-Object!" } } return $table } }#end function systeminfo function services { $data1 = Get-ServiceImproved -ComputerName $server1 -Credential $Server1Credential $data2 = Get-ServiceImproved -ComputerName $server2 -Credential $Server2Credential if ($RawDataOnly){ $smash = @() $smash += $data1 $smash += $data2 return $smash } else{ Write-Verbose "Formatting data for $server1 and $server2 :: Data Type - $DataSet" $data1list = @() foreach ($d in $data1){ $object = $null $object = [PSCustomObject]@{ Computer = $server1 Info = $d.name + "--" + $d.LogonAs + "--" + $d.state } $data1list += $object } $data2list = @() foreach ($d in $data2){ $object = $null $object = [PSCustomObject]@{ Computer = $server2 Info = $d.name + "--" + $d.LogonAs + "--" + $d.state } $data2list += $object } $compare = Compare-Object -ReferenceObject $data1list -DifferenceObject $data2list -IncludeEqual -property Info $finaltable = @() foreach ($comp in $compare){ switch ($comp.sideindicator){ '==' {$status = "Equal"} '<=' {$status = "$server1 ONLY"} '=>' {$status = "$server2 ONLY"} } $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Status = $status Info = $comp.Info } $finaltable += $object } return $finaltable } } function features { $data1 = Invoke-Command -ComputerName $server1 -Credential $Server1Credential { Get-WindowsFeature } $data2 = Invoke-Command -ComputerName $server2 -Credential $Server2Credential { Get-WindowsFeature } if ($RawDataOnly){ $smash = @() $smash += $data1 $smash += $data2 return $smash } else{ Write-Verbose "Formatting data for $server1 and $server2 :: Data Type - $DataSet" $data1list = @() foreach ($d in $data1){ $object = $null $object = [PSCustomObject]@{ Info = $d.name + "--" + $d.InstallState } $data1list += $object } $data2list = @() foreach ($d in $data2){ $object = $null $object = [PSCustomObject]@{ Info = $d.name + "--" + $d.InstallState } $data2list += $object } $compare = Compare-Object -ReferenceObject $data1list -DifferenceObject $data2list -IncludeEqual -property Info $finaltable = @() foreach ($comp in $compare){ switch ($comp.sideindicator){ '==' {$status = "Equal"} '<=' {$status = "$server1 ONLY"} '=>' {$status = "$server2 ONLY"} } $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Status = $status Info = $comp.Info } $finaltable += $object } return $finaltable } }#end function features function programs { $data1 = Get-InstalledPrograms -ComputerName $server1 -Credential $Server1Credential $data2 = Get-InstalledPrograms -ComputerName $server2 -Credential $Server2Credential if ($RawDataOnly){ $smash = @() $smash += $data1 $smash += $data2 return $smash } else{ Write-Verbose "Formatting data for $server1 and $server2 :: Data Type - $DataSet" $data1list = @() foreach ($d in $data1){ $object = $null $object = [PSCustomObject]@{ Info = $d.name + "--" + $d.version } $data1list += $object } $data2list = @() foreach ($d in $data2){ $object = $null $object = [PSCustomObject]@{ Info = $d.name + "--" + $d.version } $data2list += $object } $compare = Compare-Object -ReferenceObject $data1list -DifferenceObject $data2list -IncludeEqual -property Info $finaltable = @() foreach ($comp in $compare){ switch ($comp.sideindicator){ '==' {$status = "Equal"} '<=' {$status = "$server1 ONLY"} '=>' {$status = "$server2 ONLY"} } $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Status = $status Info = $comp.Info } $finaltable += $object } return $finaltable } } function hotfixes { $data1 = Invoke-Command -ComputerName $server1 -Credential $Server1Credential { Get-HotFix } $data2 = Invoke-Command -ComputerName $server2 -Credential $Server2Credential { Get-HotFix } #$smash = $data1 += $data2 if ($RawDataOnly){ $smash = @() $smash += $data1 $smash += $data2 return $smash } else{ Write-Verbose "Formatting data for $server1 and $server2 :: Data Type - $DataSet" $compare = Compare-Object -ReferenceObject $data1 -DifferenceObject $data2 -IncludeEqual -property HotFixID $finaltable = @() foreach ($comp in $compare){ switch ($comp.sideindicator){ '==' {$status = "Equal"} '<=' {$status = "$server1 ONLY"} '=>' {$status = "$server2 ONLY"} } $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Status = $status Info = $comp.HotFixID } $finaltable += $object } return $finaltable } }#end function hotfixes function netstat { $data1 = Get-NetStat -ComputerName $server1 -Credential $Server1Credential | where-object {$_.state -eq "Listening"} $data2 = Get-NetStat -ComputerName $server2 -Credential $Server2Credential | where-object {$_.state -eq "Listening"} if ($RawDataOnly){ $smash = @() $smash += $data1 $smash += $data2 return $smash } else{ Write-Verbose "Formatting data for $server1 and $server2 :: Data Type - $DataSet" $data1list = @() foreach ($d in $data1){ $object = $null $object = [PSCustomObject]@{ Computer = $server1 Info = $d.protocol + "--" + $d.Localaddress + "--" + $d.processname + "--" + $d.processowner } $data1list += $object } $data2list = @() foreach ($d in $data2){ $object = $null $object = [PSCustomObject]@{ Computer = $server2 Info = $d.protocol + "--" + $d.Localaddress + "--" + $d.processname + "--" + $d.processowner } $data2list += $object } $compare = Compare-Object -ReferenceObject $data1list -DifferenceObject $data2list -IncludeEqual -property Info $finaltable = @() foreach ($comp in $compare){ switch ($comp.sideindicator){ '==' {$status = "Equal"} '<=' {$status = "$server1 ONLY"} '=>' {$status = "$server2 ONLY"} } $object = $null $object = [PSCustomObject]@{ DataSet = $DataSet Status = $status Info = $comp.Info } $finaltable += $object } return $finaltable } } ## Decide and run function Write-Verbose "Collecting data for $server1 and $server2 :: Data Type - $DataSet" switch ($DataSet) { "systeminfo" { systeminfo } "services" { services } "features" { features } "programs" { programs } "hotfixes" { hotfixes } "netstat" { netstat } } } |