[Xymon] Windows PS client svcs data missing
David Baldwin
david.baldwin at ausport.gov.au
Thu Jun 2 04:49:08 CEST 2011
I can't see that this code gets anything more than Get-Service - since
Get-Service is an interface to [System.ServiceProcess.ServiceController]
Some of the info can be derived from the registry or running SC.EXE -
registry interpretation requires information about enumerations for
various keys, SC would require parsing output. Neither gives you
information about the running process if there is one which also used by
the client.
Looks like no way of getting away from the overhead of WMI - digging
around for extra information or messing around with unstructured text
will get you so far, but not all the info sought.
David.
PS C:\WINDOWS\system32\windowspowershell\v1.0> Get-WmiObject -Filter
"Name='dnscache'" win32_service | fl *
Name : Dnscache
Status : OK
ExitCode : 0
DesktopInteract : False
ErrorControl : Normal
PathName : C:\WINDOWS\system32\svchost.exe -k NetworkService
ServiceType : Share Process
StartMode : Auto
__GENUS : 2
__CLASS : Win32_Service
__SUPERCLASS : Win32_BaseService
__DYNASTY : CIM_ManagedSystemElement
__RELPATH : Win32_Service.Name="Dnscache"
__PROPERTY_COUNT : 25
__DERIVATION : {Win32_BaseService, CIM_Service,
CIM_LogicalElement, CIM_ManagedSystemElement}
__SERVER : ITMANSV
__NAMESPACE : root\cimv2
__PATH : \\ITMANSV\root\cimv2:Win32_Service.Name="Dnscache"
AcceptPause : False
AcceptStop : True
Caption : DNS Client
CheckPoint : 0
CreationClassName : Win32_Service
Description : Resolves and caches Domain Name System (DNS)
names for this computer. If this service is stopped, this computer will
not be able to resolve DNS names and locate Active Directory domain
controllers. If this service is disabled, any services that explicitly
depend on it will fail to start.
DisplayName : DNS Client
InstallDate :
ProcessId : 872
ServiceSpecificExitCode : 0
Started : True
StartName : NT AUTHORITY\NetworkService
State : Running
SystemCreationClassName : Win32_ComputerSystem
SystemName : ITMANSV
TagId : 0
WaitHint : 0
Scope : System.Management.ManagementScope
Path : \\ITMANSV\root\cimv2:Win32_Service.Name="Dnscache"
Options : System.Management.ObjectGetOptions
ClassPath : \\ITMANSV\root\cimv2:Win32_Service
Properties : {AcceptPause, AcceptStop, Caption, CheckPoint...}
SystemProperties : {__GENUS, __CLASS, __SUPERCLASS, __DYNASTY...}
Qualifiers : {dynamic, Locale, provider, UUID}
Site :
Container :
_______________________________________________________________________________________________________________________________________________
PS C:\WINDOWS\system32\windowspowershell\v1.0> Get-Service dnscache | fl *
Name : dnscache
RequiredServices : {Tcpip}
CanPauseAndContinue : False
CanShutdown : False
CanStop : True
DisplayName : DNS Client
DependentServices : {}
MachineName : .
ServiceName : dnscache
ServicesDependedOn : {Tcpip}
ServiceHandle : SafeServiceHandle
Status : Running
ServiceType : Win32ShareProcess
Site :
Container :
_______________________________________________________________________________________________________________________________________________
PS C:\WINDOWS\system32\windowspowershell\v1.0> Get-ItemProperty
HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache
PSPath :
Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache
PSParentPath :
Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
PSChildName : Dnscache
PSDrive : HKLM
PSProvider : Microsoft.PowerShell.Core\Registry
Type : 32
Start : 2
ErrorControl : 1
ImagePath : C:\WINDOWS\system32\svchost.exe -k NetworkService
DisplayName : DNS Client
Group : TDI
DependOnService : {Tcpip}
DependOnGroup : {}
ObjectName : NT AUTHORITY\NetworkService
Description : Resolves and caches Domain Name System (DNS) names for
this computer. If this service is stopped, this computer will not be
able to resolve DNS names and locate Active Directory domain
controllers. If this service is disabled, any services that
explicitly depend on it will fail to start.
PS C:\WINDOWS\system32\windowspowershell\v1.0> sc.exe qc dnscache
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: dnscache
TYPE : 20 WIN32_SHARE_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\WINDOWS\system32\svchost.exe -k
NetworkService
LOAD_ORDER_GROUP : TDI
TAG : 0
DISPLAY_NAME : DNS Client
DEPENDENCIES : Tcpip
SERVICE_START_NAME : NT AUTHORITY\NetworkService
On 2/06/11 8:50 AM, Storer, Raymond wrote:
>
> Scott and David, I’m not finding any .net call that will produce the
> “StartupType” for a service that is already installed. There is a
> documented way to do it from a Win32 API; but, that involves using
> P/Invoke. See here:
> http://www.leeholmes.com/blog/2009/01/19/powershell-pinvoke-walkthrough/
> and here: http://pinvoke.net/default.aspx/advapi32/QueryServiceConfig.html
>
>
>
> Ray
>
>
>
> *From:*Scot Kreienkamp [mailto:SKreien at la-z-boy.com]
> *Sent:* Wednesday, June 01, 2011 11:03 AM
> *To:* Storer, Raymond; David Baldwin
> *Cc:* xymon at xymon.com
> *Subject:* RE: [Xymon] Windows PS client svcs data missing
>
>
>
> This is what I have so far:
>
>
>
> function XymonSvcsNET2
>
> {
>
> $result =
> [reflection.Assembly]::LoadWithPartialName("System.ServiceProcess")
>
> $Services =
> [System.ServiceProcess.ServiceController]::GetServices()
>
> $COLUMNNAME="Name"
>
> $COLUMNSTATUS="Status"
>
> $COLUMNDESCRIPTION="Description"
>
> #[Reflection.Assembly]::Load(‘System.ServiceProcess,
> Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’)
>
> #get all the services installed on the local machine
>
> $serviceController =
> [System.ServiceProcess.ServiceController]::GetServices()
>
> "[svcs]"
>
>
> "--------------------------------------------------------------------------------------------------------------"
>
> "{0,-50} {1,-20} {2,-20}" -f `
>
> $COLUMNNAME, $COLUMNSTATUS, $COLUMNDESCRIPTION
>
>
> "--------------------------------------------------------------------------------------------------------------"
>
> foreach ($svc in $serviceController) {
>
> "{0,-50} {1,-20} {2,-20}" -f `
>
> $svc.Name, $svc.Status, $svc.DisplayName
>
> }
>
>
>
> }
>
>
>
> I did get the formatting figured out finally after about 6 hours. The
> only piece that I cannot figure out is the service startup type, if I
> can get some help on that I think this is workable.
>
>
>
> I'm a complete newbie at powershell, so comments/help appreciated.
>
>
>
> Scot Kreienkamp
>
> Senior Systems Engineer
>
> skreien at la-z-boy.com <mailto:skreien at la-z-boy.com>
>
>
>
> *From:*xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] *On
> Behalf Of *Storer, Raymond
> *Sent:* Monday, May 16, 2011 10:38 AM
> *To:* David Baldwin
> *Cc:* xymon at xymon.com
> *Subject:* Re: [Xymon] Windows PS client svcs data missing
>
>
>
> David, you can also use the “Load” method instead as follows:
>
>
>
> [Reflection.Assembly]::Load(‘System.ServiceProcess, Version=2.0.0.0,
> Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’)
>
>
>
>
> Ray
>
>
>
> *From:*David Baldwin [mailto:David.Baldwin at ausport.gov.au]
> *Sent:* Monday, May 16, 2011 12:39 AM
> *To:* 'Scot Kreienkamp'; Storer, Raymond
> *Cc:* xymon at xymon.com
> *Subject:* RE: [Xymon] Windows PS client svcs data missing
>
>
>
> Ray,
>
>
>
> Thanks for the code. I’m a bit wary of using something with such a
> version specific path though – is that seriously a “standard”
> interface to a .Net DLL that can be expected to have some degree of
> persistence?
>
>
>
> I’m offsite this week, will try to take a look next week.
>
>
>
> Thanks, David.
>
>
>
> *From:*Scot Kreienkamp [mailto:SKreien at la-z-boy.com]
> *Sent:* Saturday, 14 May 2011 5:54 AM
> *To:* Storer, Raymond; David Baldwin
> *Cc:* xymon at xymon.com
> *Subject:* RE: [Xymon] Windows PS client svcs data missing
>
>
>
> Thank you Raymond… If I knew how to implement it I would. Hopefully
> David or Henrik can find the time to experiment with it.
>
>
>
> I'm seeing all kinds of problems with the PS client…. If this keeps up
> I'll have to remove it. It pegged one of my servers at 100% for over
> an hour, stuck on the WMI yesterday.
>
>
>
> Scot Kreienkamp
>
> Senior Systems Engineer
>
> skreien at la-z-boy.com <mailto:skreien at la-z-boy.com>
>
>
>
> *From:*Storer, Raymond [mailto:storerr at nibco.com]
> *Sent:* Friday, May 13, 2011 12:58 PM
> *To:* David Baldwin; Scot Kreienkamp
> *Cc:* xymon at xymon.com
> *Subject:* RE: [Xymon] Windows PS client svcs data missing
>
>
>
> Opps… I missed the “.” in the [Reflection.Assembly]. Also, you can
> pipe it to out-null to avoid any unwanted output. So:
>
>
>
> [Reflection.Assembly]::LoadFile(‘C:\WINDOWS\Microsoft.Net\Framework\v2.0.50727\System.ServiceProcess.dll’)
> | out-null
>
>
>
> Ray
>
>
>
> *From:*xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] *On
> Behalf Of *Storer, Raymond
> *Sent:* Friday, May 13, 2011 11:40 AM
> *To:* David Baldwin; Scot Kreienkamp
> *Cc:* xymon at xymon.com
> *Subject:* Re: [Xymon] Windows PS client svcs data missing
>
>
>
> Scot and David, if you’d prefer to implement a .net pure call for
> services you can try the following:
>
>
>
> # your path to the file may very
>
> [ReflectionAssembly]::LoadFile(‘C:\WINDOWS\Microsoft.Net\Framework\v2.0.50727\System.ServiceProcess.dll’)
>
> #get all the services installed on the local machine
>
> $serviceController =
> [System.ServiceProcess.ServiceController]::GetServices()
>
> foreach ($svc in $serviceController) {
>
> # should indicate: Stopped, Running, or Paused … others???
>
> write-host $svc.Status
>
> # the service name
>
> write-host $svc.Name
>
> # the service display name
>
> write-host $svc.DisplayName
>
> }
>
>
>
> Ray
>
> [snip]
>
>
>
>
>
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--
David Baldwin - IT Unit
Australian Sports Commission www.ausport.gov.au
Tel 02 62147830 Fax 02 62141830 PO Box 176 Belconnen ACT 2616
david.baldwin at ausport.gov.au Leverrier Street Bruce ACT 2617
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