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Expand Powershell Script

Posted on 2010-11-22
10
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Last Modified: 2012-05-10
Hello,

I built a Powershell script last week (with the very fine help from this site!!!) which could use a little improvement. So maybe anyone can help me with this?

At least the script should do the following:
- Test if a server from an input-file is available
- Query which operatings system is used
- Query which service pack level is applied
- Query if the OS is 32/64 Bit
- Query if SNMP service is installed
- Query if a user "testuser" is member of the local admin group
- Write out all the information to a csv file for Excel import

I hope I don´t ask too much !?! Any help would be great!
The basic code is attached...

Regards
Steffen

Get-Content -path "w:\servers.txt" | ForEach-Object {

  $ComputerName = $_

  Get-WmiObject Win32_OperatingSystem -ComputerName $ComputerName | Select-Object `
    @{n='Computer Name';e={ $ComputerName }},
    @{n='Operating System';e={ $_.Caption }},
    @{n='Servicepack';e={ $_.ServicePackMajorVersion }},
    @{n='SNMP';e={ Get-WmiObject Win32_service -ComputerName $ComputerName -Filter "Name='SNMP'" | Select-Object -ExpandProperty Name }},
    @{n='Architecture';e={ Get-WmiObject Win32_Processor -ComputerName $ComputerName | Select-Object -ExpandProperty Caption }}

} | Export-Csv "w:\SNoutfile1.csv" -NoTypeInformation

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Comment
Question by:SSR-IS
  • 5
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10 Comments
 
LVL 71

Expert Comment

by:Chris Dent
ID: 34188362
Hey :)

The first bit can use Test-Connection.

TestUser, is this a local user? Or a Domain User?

Chris
Get-Content -path "w:\servers.txt" | ForEach-Object {

  $ComputerName = $_

  # Test if a server from an input-file is available (ping)
  If (Test-Connection $ComputerName -Quiet -Count 2) {

    Get-WmiObject Win32_OperatingSystem -ComputerName $ComputerName | Select-Object `
      @{n='Computer Name';e={ $ComputerName }},
      @{n='Operating System';e={ $_.Caption }},
      @{n='Servicepack';e={ $_.ServicePackMajorVersion }},
      @{n='SNMP';e={ Get-WmiObject Win32_service -ComputerName $ComputerName -Filter "Name='SNMP'" | Select-Object -ExpandProperty Name }},
      @{n='Architecture';e={ Get-WmiObject Win32_Processor -ComputerName $ComputerName | Select-Object -ExpandProperty Caption }}

  }
} | Export-Csv "w:\SNoutfile1.csv" -NoTypeInformation

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Author Comment

by:SSR-IS
ID: 34188579
Oh, the "TestUser" is a domain user.
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LVL 71

Expert Comment

by:Chris Dent
ID: 34188696

Cool. So, local groups (and users for that matter) are a bit of a pain, the interface isn't quite as advanced as would be nice. Fortunately, been there / done that :)

Modified to test the administrators group for that user account.

Chris
Function Get-AdminGroupMember {
  Param(
    [String]$ComputerName = $Env:ComputerName
  )

  ([ADSI]"WinNT://$ComputerName/Administrators").Members() | Select-Object `
    @{n='Name';e={ $_.GetType().InvokeMember('Name', 'GetProperty', $Null, $_, $Null) }},
    @{n='ADSPath';e={ $_.GetType().InvokeMember('ADSPath', 'GetProperty', $Null, $_, $Null) }},
    @{n='Class';e={ $_.GetType().InvokeMember('class', 'GetProperty', $Null, $_, $Null) }},
    @{n='Type';e={ "Direct" }}
}


Get-Content -path "w:\servers.txt" | ForEach-Object {

  $ComputerName = $_

  # Test if a server from an input-file is available (ping)
  If (Test-Connection $ComputerName -Quiet -Count 2) {

    Get-WmiObject Win32_OperatingSystem -ComputerName $ComputerName | Select-Object `
      @{n='Computer Name';e={ $ComputerName }},
      @{n='Operating System';e={ $_.Caption }},
      @{n='Servicepack';e={ $_.ServicePackMajorVersion }},
      @{n='SNMP';e={ Get-WmiObject Win32_service -ComputerName $ComputerName -Filter "Name='SNMP'" | Select-Object -ExpandProperty Name }},
      @{n='Architecture';e={ Get-WmiObject Win32_Processor -ComputerName $ComputerName | Select-Object -ExpandProperty Caption }},
      @{n='TestUserIsAdmin';e={ 
        If ((Get-AdminGroupMember $ComputerName) | Where-Object { $_.Name -Like "testuser" }) { $True } Else { $False } }}
  }
} | Export-Csv "w:\SNoutfile1.csv" -NoTypeInformation

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Author Comment

by:SSR-IS
ID: 34188853
This works so far in my test environment. Thanks!

The was another thing with my further script. For some servers I got an access denied and sometimes "RPC Server not available". Is it possible to document this error messages in the csv file? Just to know why the connection didn´t work.
0
 
LVL 71

Expert Comment

by:Chris Dent
ID: 34188906

Sure.

I added a note to catch ping failures as well. It "should" work :)

Chris
Function Get-AdminGroupMember {
  Param(
    [String]$ComputerName = $Env:ComputerName
  )

  ([ADSI]"WinNT://$ComputerName/Administrators").Members() | Select-Object `
    @{n='Name';e={ $_.GetType().InvokeMember('Name', 'GetProperty', $Null, $_, $Null) }},
    @{n='ADSPath';e={ $_.GetType().InvokeMember('ADSPath', 'GetProperty', $Null, $_, $Null) }},
    @{n='Class';e={ $_.GetType().InvokeMember('class', 'GetProperty', $Null, $_, $Null) }},
    @{n='Type';e={ "Direct" }}
}

Get-Content -path "w:\servers.txt" | ForEach-Object {

  $ComputerName = $_

  # Test if a server from an input-file is available (ping)
  If (Test-Connection $ComputerName -Quiet -Count 2) {

    $OperatingSystem = Get-WmiObject Win32_OperatingSystem -ComputerName $ComputerName

    If ($?) {

      # If the command worked
 
      $OperatingSystem | Select-Object `
        @{n='Computer Name';e={ $ComputerName }},
        @{n='Status';e={ "OK" }},
        @{n='Operating System';e={ $_.Caption }},
        @{n='Servicepack';e={ $_.ServicePackMajorVersion }},
        @{n='SNMP';e={ Get-WmiObject Win32_service -ComputerName $ComputerName -Filter "Name='SNMP'" | Select-Object -ExpandProperty Name }},
        @{n='Architecture';e={ Get-WmiObject Win32_Processor -ComputerName $ComputerName | Select-Object -ExpandProperty Caption }},
        @{n='TestUserIsAdmin';e={ 
          If ((Get-AdminGroupMember $ComputerName) | Where-Object { $_.Name -Like "testuser" }) { $True } Else { $False } }}

    } Else 

      # If the command failed
      
      "" | Select-Object `
        @{n='ComputerName';e={ $ComputerName }},
        @{n='Status';e={ "WMI Connect Fail" }},
        "Operating System", ServicePack, SNMP, Architecture, TestUserIsAdmin

    }
  } Else {

    # If ping failed
  
    "" | Select-Object `
      @{n='ComputerName';e={ $ComputerName }},
      @{n='Status';e={ "Ping Fail" }},
      "Operating System", ServicePack, SNMP, Architecture, TestUserIsAdmin
  }
} | Export-Csv "w:\SNoutfile1.csv" -NoTypeInformation

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LVL 71

Expert Comment

by:Chris Dent
ID: 34189011

Perhaps I should just add a quick note about this.

Export-Csv expects everything we return to have the same properties, otherwise it gets all confused and might hide stuff.

A property of the return object in this case would be a field like "Operating System". If this is not present in all of our different return values (the working one, WMI Conenct Fail, and Ping Fail) then things will disappear. Quite frustrating if you don't know about it.

Chris
0
 

Author Comment

by:SSR-IS
ID: 34189017
Thanks a lot Chris-Dent. I´ll give it a try in out test environment and then let it run in production!
I´ll give you some feedback.

Steffen
0
 

Author Comment

by:SSR-IS
ID: 34189214
Uh, I´m sorry, but I got some errors running the script:
Missing statement block after 'else' keyword.
At line:40 char:7

Missing statement after '=' in hash literal.
At line:41 char:47

Missing statement after '=' in hash literal.
At line:42 char:46

Missing statement after '=' in hash literal.
At line:51 char:45

Missing statement after '=' in hash literal.
At line:52 char:37

Unexpected token '}' in expression or statement.
At line:55 char:1
0
 
LVL 71

Accepted Solution

by:
Chris Dent earned 500 total points
ID: 34189236

Apologies. Missed a {, I can't see another, I think the first error caused the remainder.

Yell if not, of course :)

Chris
Function Get-AdminGroupMember {
  Param(
    [String]$ComputerName = $Env:ComputerName
  )

  ([ADSI]"WinNT://$ComputerName/Administrators").Members() | Select-Object `
    @{n='Name';e={ $_.GetType().InvokeMember('Name', 'GetProperty', $Null, $_, $Null) }},
    @{n='ADSPath';e={ $_.GetType().InvokeMember('ADSPath', 'GetProperty', $Null, $_, $Null) }},
    @{n='Class';e={ $_.GetType().InvokeMember('class', 'GetProperty', $Null, $_, $Null) }},
    @{n='Type';e={ "Direct" }}
}

Get-Content -path "w:\servers.txt" | ForEach-Object {

  $ComputerName = $_

  # Test if a server from an input-file is available (ping)
  If (Test-Connection $ComputerName -Quiet -Count 2) {

    $OperatingSystem = Get-WmiObject Win32_OperatingSystem -ComputerName $ComputerName

    If ($?) {

      # If the command worked
 
      $OperatingSystem | Select-Object `
        @{n='Computer Name';e={ $ComputerName }},
        @{n='Status';e={ "OK" }},
        @{n='Operating System';e={ $_.Caption }},
        @{n='Servicepack';e={ $_.ServicePackMajorVersion }},
        @{n='SNMP';e={ Get-WmiObject Win32_service -ComputerName $ComputerName -Filter "Name='SNMP'" | Select-Object -ExpandProperty Name }},
        @{n='Architecture';e={ Get-WmiObject Win32_Processor -ComputerName $ComputerName | Select-Object -ExpandProperty Caption }},
        @{n='TestUserIsAdmin';e={ 
          If ((Get-AdminGroupMember $ComputerName) | Where-Object { $_.Name -Like "testuser" }) { $True } Else { $False } }}

    } Else {

      # If the command failed
      
      "" | Select-Object `
        @{n='ComputerName';e={ $ComputerName }},
        @{n='Status';e={ "WMI Connect Fail" }},
        "Operating System", ServicePack, SNMP, Architecture, TestUserIsAdmin

    }
  } Else {

    # If ping failed
  
    "" | Select-Object `
      @{n='ComputerName';e={ $ComputerName }},
      @{n='Status';e={ "Ping Fail" }},
      "Operating System", ServicePack, SNMP, Architecture, TestUserIsAdmin
  }
} | Export-Csv "w:\SNoutfile1.csv" -NoTypeInformation

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Author Comment

by:SSR-IS
ID: 34194727
Hi Chirs,

the script was running very fine last night! As you expected, after a wmi- or ping connection error, the CSV-file missed the servername. But this was no problem at all because by importing it into my Excel-Listíng the lines matched.

Thanks a lot for your help! I might come up with some SNMP-Installion-Script questions later today ;-))
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