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Compare-AssignmentRevisions.psm1
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Compare-AssignmentRevisions.psm1
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# Documentation home: https://github.com/engrit-illinois/Compare-AssignmentRevisions
# By mseng3@illinois.edu
function Compare-AssignmentRevisions {
param(
[Parameter(Position=0,Mandatory=$true,ParameterSetName="Array")]
[string[]]$Computers,
[Parameter(Position=0,Mandatory=$true,ParameterSetName="Collection")]
[string]$Collection,
[string]$SiteCode="MP0",
[string]$Provider="sccmcas.ad.uillinois.edu",
[string]$CMPSModulePath="$($ENV:SMS_ADMIN_UI_PATH)\..\ConfigurationManager.psd1",
[switch]$DisableCaching,
[switch]$DisableCIMFallbacks,
[switch]$DisableCIM,
[int]$CIMTimeoutSec=10,
[switch]$DisableIC,
[int]$ICTimeoutSec=10,
[switch]$DisableWMI,
[int]$WMITimeoutSec=10,
[switch]$NoLog,
[switch]$ComputerInfoOnly,
[string]$LogPath="c:\engrit\logs\Compare-AssignmentRevisions_$(Get-Date -Format `"yyyy-MM-dd_HH-mm-ss-ffff`").log",
[int]$Verbosity=0
)
$CSVPATH = $LogPath -replace "\.log",".csv"
$script:CachedAppDeployments = @()
$script:CachedTSDeployments = @()
$script:CachedApplications = @()
$script:CachedTaskSequences = @()
$script:CachedCollections = @()
function log {
param (
[string]$msg,
[int]$l=0, # level (of indentation)
[int]$v=0, # verbosity level
[switch]$nots, # omit timestamp
[switch]$nnl # No newline after output
)
# Indentation level guide
# computers: 0
# computer: 1
# applications/assignments: 2
# application/assignment: 3
# sub-application/sub-assignment: 4
if(!(Test-Path -PathType leaf -Path $LogPath)) {
$shutup = New-Item -ItemType File -Force -Path $LogPath
}
for($i = 0; $i -lt $l; $i += 1) {
$msg = " $msg"
}
if(!$nots) {
$ts = Get-Date -Format "yyyy-MM-dd HH:mm:ss:ffff"
$msg = "[$ts] $msg"
}
if($v -le $Verbosity) {
if($nnl) {
Write-Host $msg -NoNewline
}
else {
Write-Host $msg
}
if(!$NoLog) {
if($nnl) {
$msg | Out-File $LogPath -Append -NoNewline
}
else {
$msg | Out-File $LogPath -Append
}
}
}
}
function Log-Error {
param(
[System.Management.Automation.ErrorRecord]$e,
[int]$v=0
)
if($v -le $Verbosity) {
log "$($e.Exception.Message)" -l 4
log "$($e.Exception.GetType().fullname)" -l 5
log "$($e.InvocationInfo.PositionMessage.Split("`n")[0])" -l 5
}
}
function Prep-SCCM {
log "Preparing connection to SCCM..."
$initParams = @{}
if((Get-Module ConfigurationManager) -eq $null) {
# The ConfigurationManager Powershell module switched filepaths at some point around CB 18##
# So you may need to modify this to match your local environment
Import-Module $CMPSModulePath @initParams -Scope Global
}
if((Get-PSDrive -Name $SiteCode -PSProvider CMSite -ErrorAction SilentlyContinue) -eq $null) {
New-PSDrive -Name $SiteCode -PSProvider CMSite -Root $Provider @initParams
}
Set-Location "$($SiteCode):\" @initParams
log "Done prepping connection to SCCM." -v 2
}
# Make array of objects representing computers
function Get-CompObjects($comps) {
log "Making array of objects to represent each computer..."
# Make sure $comp is treated as an array, even if it has only one member
# Not sure if this is necessary, but better safe than sorry
$comps = @($comps)
# Make new array to hold objects representing computers
$compObjects = @()
foreach($thisComp in $comps) {
$thisCompHash = @{
"name" = $thisComp
"SCCMClientVersion" = $null
"PSVersion" = $null
"OSVersion" = $null
"Make" = $null
"Model" = $null
"localassignments" = @()
"localapplications" = @()
"skip" = $false
}
$thisCompObject = New-Object PSObject -Property $thisCompHash
$compObjects += @($thisCompObject)
}
log "Done making computer object array." -v 2
$compObjects
}
function Get-CompData($comps) {
log " " -nots
log "Getting data for all computers..."
$num = 1
foreach($comp in $comps) {
$thisCompName = $comp.name
$count = @($comps).count
$completion = ([math]::Round($num / $count, 2)) * 100
log "Getting data for computer $num/$count ($completion%): `"$thisCompName`"..." -l 1
$num += 1
$comp = Get-Data "SCCMClientVersion" $comp
# We could check for $comp.skip after each query, but
# if we get even one result (SCCMClientVersion), then we should include it in the output.
# Also if getting SCCMClientVersion works, then it's unlikely the rest will fail.
if($comp.skip) {
log "Computer unresponsive, or access denied. Skipping further queries." -l 2
}
else {
$comp = Get-Data "PSVersion" $comp
$comp = Get-Data "OSVersion" $comp
$comp = Get-Data "Model" $comp
if(!$ComputerInfoOnly) {
# Never ended up doing anything with this localapplication info, so skip it to save on time and memory
#$comp = Get-Data "LocalApplications" $comp
}
$comp = Get-Data "LocalAssignments" $comp
Export-CompAssignments $comp
}
# Once we've exported the data (if necessary), remove it so it doesn't eventually eat a bunch of memory when scanning many computers
log "Removing computer data to save memory." -l 2
$comp = $null
log " " -nots -v 1
log "Done getting data for computer: `"$thisCompName`"." -l 1
log " " -nots
log " " -nots -v 1
log " " -nots -v 1
}
log "Done getting data for all computers."
$comps
}
# In some cases this still hangs, so running AsJob, so we can time Invoke-Command and WMI out
# https://social.technet.microsoft.com/Forums/en-US/f16cb07c-10ac-458e-ae92-077f9247b436/assigning-a-timeout-to-invokecommand?forum=winserverpowershell
function Query-AsJob {
param(
[string]$type,
[string]$compName,
[string]$scriptBlockString
)
log "Trying $type query..." -l 3 -v 1
$scriptBlock = [scriptblock]::Create($scriptBlockString)
if($type -eq "Invoke-Command") {
$scriptBlock = {
$scriptBlock = [scriptblock]::Create($using:scriptBlockString)
Invoke-Command -ComputerName $using:compName -ErrorAction "Stop" -ScriptBlock $scriptBlock
}
}
$job = Start-Job -ErrorAction "Stop" -ScriptBlock $scriptBlock
# Alternate possibility for Invoke-Command
#$job = Invoke-Command -ComputerName $compName -AsJob -JobName "ic" -ErrorAction "Stop" -ScriptBlock $scriptBlock
# The point of using a job is not for asynchronicity, but merely to implement a timeout for Invoke-Command and WMI, which don't have the equivalent of Get-CIMInstance's -OperationTimeoutSec
$count = 0
while(
($job.State -eq "Running") -and
($count -lt $ICTimeoutSec)
) {
Start-Sleep -Seconds 1
$count += 1
}
if($job.State -eq "Running") {
$job | Stop-Job
log "$type timed out." -l 3 -v 1
}
# Catching errors in received jobs:
# https://jrich523.wordpress.com/2012/08/08/powershell-catching-terminating-and-non-terminating-errors-in-ps-jobs-job-pattern/
$skip = $false
try {
$jobResult = $job | Receive-Job -ErrorAction Stop
}
catch {
log "$type didn't work." -l 3 -v 1
Log-Error $_ -v 2
if($_.Exception.Message -like "*Access is denied.*") {
log "Access denied! will skip further attempts." -l 3
$skip = $true
}
}
$job | Remove-Job
log "$type query job returned:" -l 3 -v 3
log "----------------------------" -l 4 -v 3
log $jobResult -l 4 -v 3
log ($jobResult | ConvertTo-Json) -l 4 -v 3
log "----------------------------" -l 4 -v 3
$result = [PSCustomObject]@{
"result" = $jobResult
"skip" = $skip
}
$result
}
function Get-Data($dataType, $comp) {
$compName = $comp.name
log " " -nots -v 1
log "Getting $dataType for computer: `"$compName`"..." -l 2
if(Test-Connection $compName -Quiet -Count 1) {
log "Computer `"$compName`" responded." -l 3 -v 2
# TODO: skip further queries if the computer doesn't respond
# TODO: Stop sending quotes around $CIMTimeoutSec
# Define variables and commands used for each dataType/queryType combo
switch($dataType) {
"SCCMClientVersion" {
$namespace = "root\ccm"
$class = "SMS_Client"
$scriptBlockStringCIM = "Get-CIMInstance -ComputerName `"$compName`" -Namespace `"$namespace`" -Class `"$class`" -ErrorAction `"Stop`" -OperationTimeoutSec $CIMTimeoutSec"
$scriptBlockStringIC = "Get-WMIObject -Namespace `"$namespace`" -Class `"$class`" -ErrorAction `"Stop`""
$scriptBlockStringWMI = "Get-WMIObject -ComputerName `"$compName`" -Namespace `"$namespace`" -Class `"$class`" -ErrorAction `"Stop`""
break
}
"PSVersion" {
$scriptBlockStringIC = "`$PSVersionTable.PSVersion"
# Fall back to some weird WMI
# Couldn't find an easier way to do this via WMI
# Only other way I could find would be reading powershell.exe file properties, but that seems to use a different versioning system these days
$hklm = 2147483650 # This is some sort of unique identifier that always means "HKEY_LOCAL_MACHINE", I guess
$key = "SOFTWARE\Microsoft\PowerShell\3\PowerShellEngine"
$value = "PowerShellVersion"
#$wmi = [wmiclass]"\\$compName\root\default:stdRegProv"
#$result = ($wmi.GetStringValue($hklm,$key,$value)).svalue
$scriptBlockStringWMI = "(([wmiclass]`"\\$compName\root\default:stdRegProv`").GetStringValue(`"$hklm`",`"$key`",`"$value`")).svalue"
break
}
"OSVersion" {
$class = "Win32_OperatingSystem"
$scriptBlockStringCIM = "(Get-CIMInstance -ComputerName `"$compName`" -Class `"$class`" -ErrorAction `"Stop`" -OperationTimeoutSec $CIMTimeoutSec).Version"
$scriptBlockStringIC = "[Environment]::OSVersion.Version"
$scriptBlockStringWMI = "Get-WMIObject -ComputerName `"$compName`" -Class `"$class`" -ErrorAction `"Stop`""
break
}
"Model" {
$class = "Win32_ComputerSystem"
$scriptBlockStringCIM = "Get-CIMInstance -ComputerName `"$compName`" -Class `"$class`" -ErrorAction `"Stop`" -OperationTimeoutSec $CIMTimeoutSec"
$scriptBlockStringIC = "Get-WMIObject -Class `"$class`" -ErrorAction `"Stop`""
$scriptBlockStringWMI = "Get-WMIObject -ComputerName `"$compName`" -Class `"$class`" -ErrorAction `"Stop`""
break
}
"LocalApplications" {
$namespace = "root\ccm\clientsdk"
$query = "select * from CCM_Application"
$scriptBlockStringCIM = "Get-CIMInstance -ComputerName `"$compName`" -Namespace `"$namespace`" -Query `"$query`" -ErrorAction `"Stop`" -OperationTimeoutSec $CIMTimeoutSec"
$scriptBlockStringIC = "Get-WMIObject -Namespace `"$namespace`" -Query `"$query`" -ErrorAction `"Stop`""
$scriptBlockStringWMI = "Get-WMIObject -ComputerName `"$compName`" -Namespace `"$namespace`" -Query `"$query`" -ErrorAction `"Stop`""
break
}
"LocalAssignments" {
$namespace = "root\ccm\policy\Machine"
$query = "select * from CCM_ApplicationCIAssignment"
$scriptBlockStringCIM = "Get-CIMInstance -ComputerName `"$compName`" -Namespace `"$namespace`" -Query `"$query`" -ErrorAction `"Stop`" -OperationTimeoutSec $CIMTimeoutSec"
$scriptBlockStringIC = "Get-WMIObject -Namespace `"$namespace`" -Query `"$query`" -ErrorAction `"Stop`""
$scriptBlockStringWMI = "Get-WMIObject -ComputerName `"$compName`" -Namespace `"$namespace`" -Query `"$query`" -ErrorAction `"Stop`""
break
}
default {
break
}
}
if(
($dataType -eq "LocalAssignments") -and
($ComputerInfoOnly)
) {
log "-ComputerInfoOnly was specified. Skipping gathering assignment data." -l 3
$dummyAssignment = [PSCustomObject]@{
"AssignmentID" = "Dummy assignment"
}
$result = @($dummyAssignment)
}
else {
# Try getting data via Get-CIMInstance
# https://stackoverflow.com/questions/21558559/powershell-wmiobject-exception-handling
if(!$DisableCIM) {
$lastMethod = "CIM"
$jobResult = Query-AsJob -type "CIM" -compName $compName -scriptBlockString $scriptBlockStringCIM
$result = $jobResult.result
$comp.skip = $jobResult.skip
}
# If CIM doesn't work try Invoke-Command
# In some cases (Win7 + PSv2), CIM and remote WMI were not working, but Invoke-Command did for some reason
if(
(!$result) -and
(!$DisableCIMFallbacks) -and
(!$DisableIC) -and
(!$comp.skip)
) {
$lastMethod = "Invoke-Command"
$jobResult = Query-AsJob -type "Invoke-Command" -compName $compname -scriptBlockString $scriptBlockStringIC
$result = $jobResult.result
$comp.skip = $jobResult.skip
}
# If Invoke-Command doesn't work try WMI
if(
(!$result) -and
(!$DisableCIMFallbacks) -and
(!$DisableWMI) -and
(!$comp.skip)
) {
$lastMethod = "WMI"
$jobResult = Query-AsJob -type "WMI" -compName $compname -scriptBlockString $scriptBlockStringWMI
$result = $jobResult.result
$comp.skip = $jobResult.skip
}
}
# If nothing worked
if(!$result) {
log "All methods failed or were skipped. I give up." -l 3 -v 1
}
# Else grab final result
else {
switch($dataType) {
"SCCMClientVersion" {
$target = $result.ClientVersion
$comp.SCCMClientVersion = $target
break
}
"PSVersion" {
$target = $result
$comp.PSVersion = $target
break
}
"OSVersion" {
if($lastMethod -eq "Invoke-Command") {
$target = "$($result.Major).$($result.Minor).$($result.Build).$($result.Revision)"
}
elseif($lastMethod -eq "WMI") {
$target = $result.Version
}
else {
$target = $result
}
$comp.OSVersion = $target
break
}
"Model" {
$target = $result
$comp.Make = $target.Manufacturer
$comp.Model = $target.Model
$target = "$($target.Manufacturer) $($target.Model)"
break
}
"LocalApplications" {
$target = $result
$comp.localapplications = $target
$target = @($target).count
break
}
"LocalAssignments" {
$target = $result
$comp.localassignments = $target
$target = @($target).count
break
}
default {
break
}
}
}
if($target) {
switch($dataType) {
"LocalApplications" {
log "Retrieved $($comp.localapplications.count) local applications." -l 3
#$comp = Parse-Applications $comp
break
}
"LocalAssignments" {
log "Retrieved $($comp.localassignments.count) local assignments." -l 3
$comp = Parse-Assignments $comp
break
}
default {
log "$dataType is `"$target`"." -l 3
break
}
}
}
else {
log "$dataType not retrieved from computer: `"$compName`"!" -l 3
}
}
else {
log "Computer `"$compName`" did not respond!" -l 3
$comp.skip = $true
}
log "Done getting $dataType for computer: `"$compName`"..." -l 2 -v 2
$comp
}
function Parse-Applications($comp) {
<#
log "Parsing each local application..." -l 3
foreach($application in $comp.localapplications) {
log " " -nots
log "Processing application: `"$($application.Name)`" ..." -l 4
# Not sure what I want to do with this yet
log "Done processing application: `"$($application.Name)`" ..." -l 4 -v 2
}
log "Done parsing each local application." -l 3 -v 2
$comp
#>
}
function Parse-Assignments($comp) {
log "Parsing and getting associated deployment and application data for each assignment..." -l 3
$num = 1
foreach($assignment in $comp.localassignments) {
$count = @($comp.localassignments).count
$completion = ([math]::Round($num / $count, 2)) * 100
log " " -nots -v 1
log "Processing assignment $num/$count ($completion%) with ID: `"$($assignment.AssignmentID)`" on computer `"$($comp.name)`"..." -l 4 -v 1
$num += 1
# Add computer-specific stuff to the assignment so it can all be exported with the assignments later
$assignment | Add-Member -NotePropertyName "_Computer" -NotePropertyValue $comp.name
$assignment | Add-Member -NotePropertyName "_SCCMClientVersion" -NotePropertyValue $comp.SCCMClientVersion
$assignment | Add-Member -NotePropertyName "_PSVersion" -NotePropertyValue $comp.PSVersion
$assignment | Add-Member -NotePropertyName "_OSVersion" -NotePropertyValue $comp.OSVersion
$assignment | Add-Member -NotePropertyName "_Make" -NotePropertyValue $comp.Make
$assignment | Add-Member -NotePropertyName "_Model" -NotePropertyValue $comp.Model
if($assignment.AssignmentID -ne "Dummy assignment") {
$assignment = Parse-Assignment $assignment
}
log "Done processing assignment with ID: `"$($assignment.AssignmentID)`"..." -l 4 -v 2
}
log " " -nots -v 1
log "Done parsing and getting associated deployment and application data for each assignment." -l 3 -v 1
$comp
}
# This is actually used for both Parse-Assignment and Parse-AssignmentAppDeployment/Parse-AssignmentTSDeployment
# So $assignment here is really either an assignment or a deployment
# However they both use the same property names for DesiredConfigType and AssignmentName
function Parse-DesiredConfigType($assignment) {
log "Parsing DesiredConfigType for assignment..." -l 6 -v 2
log "Deployment type: `"$($assignment._DepType)`"" -l 7 -v 3
# Only valid for apps, not TSes
if(
($assignment._DepType -eq "ts") -or
($assignment._Type -eq "ts")
) {
$result = "TS"
}
else {
# DesiredConfigType is whether the app is deployed to "Install" (1), or Uninstall (2)
$configTypeNum = $assignment.DesiredConfigType
log "DesiredConfigType: `"$configTypeNum`"" -l 7 -v 3
# This is also encoded into the AssignmentName in the format "<app name>_<deployment collection name>_<DesiredConfigType string>"
log "AssignmentName: `"$($assignment.AssignmentName)`"" -l 7 -v 3
$nameParts = $assignment.AssignmentName.Split("_")
# Take the last member of this array (ass opposed to the 3rd member), in case the app or collection name contain a "_"
$configTypeNameString = $nameParts[($nameParts.count - 1)]
# Check that the two match
switch($configTypeNum) {
1 { $configTypeNumString = "Install" }
2 { $configTypeNumString = "Uninstall" }
Default { $configTypeNumString = "Invalid" }
}
$result = $configTypeNumString
if($configTypeNumString -ne $configTypeNameString) {
log "Assignment/App deployment disagrees with itself on its DesiredConfigType! DesiredConfigType is `"$configTypeNum`", while AssignmentName contains `"$configTypeNameString`"." -l 6
$result = "INVALID!"
}
}
$assignment | Add-Member -NotePropertyName "_DesiredConfigType" -NotePropertyValue $result
$assignment
}
function Parse-AssignmentCIs($assignment) {
if($assignment.AssignedCIs) {
# CI data is in XML format, translate into object and save
# https://stackoverflow.com/questions/3935395/loading-xml-string-with-powershell
$xmlString = @($assignment.AssignedCIs)[0]
$xmlObject = New-Object -TypeName System.Xml.XmlDocument
$xmlObject.LoadXml($xmlString)
$assignment | Add-Member -NotePropertyName "_CI" -NotePropertyValue $xmlObject.CI
# CI version (a.k.a. revision) is stored in its own CIVersion field and also as part of the CI ID string (formatted like "<ModelName>/<CIVersion>")
# Grab the version out of the CI ID string to make sure it's the same as what's in the CIVersion field
$ciidParts = $assignment._CI.ID.Split("/")
$assignment | Add-Member -NotePropertyName "_Revision" -NotePropertyValue $ciidParts[2]
# Do the same for the ModelName
$modelName = $ciidParts[0] + "/" + $ciidParts[1]
$assignment | Add-Member -NotePropertyName "_ModelName" -NotePropertyValue $modelName
}
else {
log "Assignment is missing AssignedCIs field!" -l 6
}
$assignment
}
function Parse-AssignmentDeploymentType($assignment) {
# Assignments with AssignmentID's of the format "DEP-MP######-<ModelName>" refer to apps in deployed task sequences
$asNameID = $assignment.AssignmentID
if($assignment.AssignmentID.StartsWith("DEP-MP")) {
$type = "ts"
log "Assignment is for an app in a task sequence." -l 5 -v 2
log "Assignment name: TS assignments have blank assignment names." -l 5 -v 2
# If this is for a TS app, extract the TS deployment ID
# In this case, the assignment ID is of the format "DEP-<ts deployment id>-<ModelName>"
# The TS deployment id is of the format "MP######"
# In a TaskSequenceDeployment object, this is called the "AdvertisementID".
$asIDParts = $assignment.AssignmentID.Split("-")
$tsDepID = $asIDParts[1]
$assignment | Add-Member -NotePropertyName "_TSDepID" -NotePropertyValue $tsDepID
$name = "No assignment name. This is a TS assignment."
}
else {
$type = "app"
log "Assignment is for a directly deployed app." -l 5 -v 2
log "Assignment name: `"$($assignment.AssignmentName)`"." -l 5 -v 2
$name = $assignment.AssignmentName
}
$assignment | Add-Member -NotePropertyName "_DepType" -NotePropertyValue $type
$assignment | Add-Member -NotePropertyName "_Name" -NotePropertyValue $name
$assignment
}
function Parse-Assignment($assignment) {
log "Parsing assignment..." -l 5 -v 1
$assignment = Parse-AssignmentDeploymentType $assignment
$assignment = Parse-AssignmentCIs $assignment
$assignment = Parse-DesiredConfigType $assignment
$assignment = Get-AssignmentDeployment $assignment
$assignment = Get-AssignmentApplication $assignment
$assignment = Compare-Revisions $assignment
$assignment = Compare-ModelNames $assignment
$assignment = Compare-DesiredConfigTypes $assignment
log "Done parsing assignment." -l 5 -v 2
$assignment
}
function Get-AssignmentDeployment($assignment) {
if($assignment._DepType -eq "ts") {
$deployment = Get-AssignmentTSDeployment $assignment
}
else {
$deployment = Get-AssignmentAppDeployment $assignment
}
$assignment | Add-Member -NotePropertyName "_Deployment" -NotePropertyValue $deployment
$assignment
}
function Get-AssignmentTSDeployment($assignment) {
log "Getting TS deployment associated with assignment..." -l 5 -v 2
# The specific deployment for this assignment can be pulled using the AdvertisementID
if($DisableCaching) {
$deployment = Get-CMTaskSequenceDeployment -AdvertisementID $assignment._TSDepID
if($deployment) {
log "Retrieved TS deployment." -l 6 -v 2
$deployment = Parse-AssignmentTSDeployment $deployment
}
else {
log "TS Deployment not retrieved from SCCM!" -l 6
}
}
else {
$deployment = Get-CachedItem "tsdep" $assignment._TSDepID
}
log "Done getting TS deployment associated with assignment." -l 5 -v 2
$deployment
}
function Parse-AssignmentTSDeployment($deployment) {
log "Parsing TS deployment..." -l 6 -v 2
$deployment | Add-Member -NotePropertyName "_Type" -NotePropertyValue "ts"
# TSDeployment objects do not store infomation about apps or revisions (that's in the TS itself)
# The only real useful information they store is the TS name, and the relevant collection name
# These are both stored in the AdvertisementName field in the format "<TS name>_<TS PackageID>_<collection name>"
# However the TS and collection names here have the whitespace stripped
# PackageID of the TS and the CollectionID are both stored as separate fields
$deployment | Add-Member -NotePropertyName "_Name" -NotePropertyValue $deployment.AdvertisementName
if($DisableCaching) {
$ts = Get-CMTaskSequence -PackageId $deployment.PackageID
}
else {
$ts = Get-CachedItem "ts" $deployment.PackageID
}
$deployment | Add-Member -NotePropertyName "_ContentName" -NotePropertyValue $ts.Name
if($DisableCaching) {
$tsCollection = Get-CMCollection -CollectionId $deployment.CollectionID
}
else {
$tsCollection = Get-CachedItem "collection" $deployment.CollectionID
}
$deployment | Add-Member -NotePropertyName "_Collection" -NotePropertyValue $tsCollection.Name
# These two won't be reliable if TS or collection names contain underscores
$adNameParts = $deployment.AdvertisementName.Split("_")
$deployment | Add-Member -NotePropertyName "_ContentNameStripped" -NotePropertyValue $adNameParts[0]
$deployment | Add-Member -NotePropertyName "_CollectionStripped" -NotePropertyValue $adNameParts[2]
log "TS deployment name: `"$($deployment._Name)`"." -l 6 -v 2
log "TS ID: `"$($deployment.PackageID)`"." -l 6 -v 2
log "TS name: `"$($deployment._ContentName)`"." -l 6 -v 2
log "Collection ID: `"$($deployment.CollectionID)`"." -l 6 -v 2
log "Collection Name: `"$($deployment._Collection)`"." -l 6 -v 2
$deployment | Add-Member -NotePropertyName "_Revision" -NotePropertyValue "TS"
$deployment | Add-Member -NotePropertyName "_ModelName" -NotePropertyValue "No ModelName. This is a TS deployment."
$deployment = Parse-DesiredConfigType $deployment
log "Done parsing TS deployment." -l 6 -v 2
$deployment
}
function Get-AssignmentAppDeployment($assignment) {
log "Getting app deployment associated with assignment..." -l 5 -v 2
# The specific deployment for this assignment can be pulled using the assignmentID
if($DisableCaching) {
$deployment = Get-CMApplicationDeployment -AssignmentUniqueID $assignment.AssignmentID
if($deployment) {
log "Retrieved app deployment." -l 6 -v 2
$deployment = Parse-AssignmentAppDeployment $deployment
}
else {
log "App deployment not retrieved from SCCM!" -l 6
}
}
else {
$deployment = Get-CachedItem "appdep" $assignment.AssignmentID
}
log "Done getting app deployment associated with assignment..." -l 5 -v 2
$deployment
}
function Parse-AssignmentAppDeployment($deployment) {
log "Parsing app deployment..." -l 6 -v 2
$deployment | Add-Member -NotePropertyName "_Type" -NotePropertyValue "app"
$deployment | Add-Member -NotePropertyName "_Name" -NotePropertyValue $deployment.AssignmentName
$deployment | Add-Member -NotePropertyName "_ContentName" -NotePropertyValue $deployment.ApplicationName
$deployment | Add-Member -NotePropertyName "_Collection" -NotePropertyValue $deployment.CollectionName
log "App deployment name: `"$($deployment.AssignmentName)`"." -l 6 -v 2
log "App ID: `"$($deployment.AssignedCI_UniqueID)`"." -l 6 -v 2
log "App name: `"$($deployment.ApplicationName)`"." -l 6 -v 2
log "Collection ID: `"$($deployment.TargetCollectionID)`"." -l 6 -v 2
log "Collection Name: `"$($deployment._Collection)`"." -l 6 -v 2
# The AssignedCI_UniqueID field is of the format "<ModelName>/<revision>"
# This is the only place where a deployment natively stores this data
$depCiid = $deployment.AssignedCI_UniqueID
$depCiidParts = $depCiid.Split("/")
$deployment | Add-Member -NotePropertyName "_Revision" -NotePropertyValue $depCiidParts[2]
$depModelName = $depCiidParts[0] + "/" + $depCiidParts[1]
$deployment | Add-Member -NotePropertyName "_ModelName" -NotePropertyValue $depModelName
$deployment = Parse-DesiredConfigType $deployment
log "Done parsing app deployment." -l 6 -v 2
$deployment
}
# Get application for this assignment
function Get-AssignmentApplication($assignment) {
log "Getting application associated with assignment..." -l 5 -v 2
$genericModelName = $assignment._ModelName -replace "RequiredApplication","Application"
$genericModelName = $assignment._ModelName -replace "ProhibitedApplication","Application"
if($DisableCaching) {
$app = Get-CMApplication -Fast -ModelName $genericModelName
if($app) {
log "Retrieved application." -l 6 -v 2
$app = Parse-AssignmentApplication $app
}
else {
log "Application not retrieved from SCCM!" -l 6
}
}
else {
$app = Get-CachedItem "app" $genericModelName
}
log "Done getting application associated with assignment." -l 5 -v 2
$assignment | Add-Member -NotePropertyName "_Application" -NotePropertyValue $app
$assignment
}
# Parse application for this assignment
function Parse-AssignmentApplication($app) {
log "Parsing application..." -l 6 -v 2
log "Application name: `"$($app.LocalizedDisplayName)`"..." -l 6 -v 2
# CI version (a.k.a. revision) is stored in its own CIVersion field and also as part of the CI_UniqueID string (formatted like "<ModelName>/<CIVersion>")
# Grab the version out of the CI_UniqueID string to make sure it's the same as what's in the CIVersion field
$appCiid = $app.CI_UniqueID
$appCiidParts = $appCiid.Split("/")
$app | Add-Member -NotePropertyName "_Revision" -NotePropertyValue $appCiidParts[2]
# Do the same for the ModelName
$appModelName = $appCiidParts[0] + "/" + $appCiidParts[1]
$app | Add-Member -NotePropertyName "_ModelName" -NotePropertyValue $appModelName
log "Done parsing application." -l 6 -v 2
$app
}
function Get-CachedItem($type, $id) {
$logType = "unknown item type"
$idType = "UnknownIdType"
$cacheVar = "UnknownCacheVar"
$getCmd = "log `"Unknown get command!`" -l 7"
$parseCmd = "log `"Unknown parse command!`" -l 7"
switch($type) {
"tsdep" {
$logType = "TS deployment"
$idType = "AdvertisementId"
$cacheVar = "CachedTSDeployments"
$getCmd = "Get-CMTaskSequenceDeployment -$idType `"$id`""
$parseCmd = "Parse-AssignmentTSDeployment `$cachedItem"
break
}
"appdep" {
$logType = "Application deployment"
$idType = "AssignmentUniqueId"
$cacheVar = "CachedTSDeployments"
$getCmd = "Get-CMApplicationDeployment -$idType `"$id`""
$parseCmd = "Parse-AssignmentAppDeployment `$cachedItem"
break
}
"app" {
$id = $id -replace "RequiredApplication","Application"
$logType = "Application"
$idType = "ModelName"
$cacheVar = "CachedApplications"
$getCmd = "Get-CMApplication -$idType `"$id`""
$parseCmd = "Parse-AssignmentApplication `$cachedItem"
break
}
"ts" {
$logType = "Task sequence"
$idType = "PackageId"
$cacheVar = "CachedTaskSequences"
$getCmd = "Get-CMTaskSequence -$idType `"$id`""
$parseCmd = "log `"No parse command for task sequences`" -l 7 -v 2"
break
}
"collection" {
$logType = "Collection"
$idType = "CollectionId"
$cacheVar = "CachedCollections"
$getCmd = "Get-CMCollection -$idType `"$id`""
$parseCmd = "log `"No parse command for collections`" -l 7 -v 2"
break
}
default {
$logType = "unrecognized item type"
$idType = "UnrecognizedIdType"
$cacheVar = "UnrecognizedCacheVar"
$getCmd = "log `"Unrecognized get command!`" -l 7"
$parseCmd = "log `"Unrecognized parse command!`" -l 7"
}
}
log "Searching for $logType in cache..." -l 6 -v 2
log "Using `$idType: `"$idType`"" -l 7 -v 3
log "Using `$id: `"$id`"" -l 7 -v 3
log "Using `$cacheVar: `"$cacheVar`"" -l 7 -v 3
log "Using `$getCmd: `"$getCmd`"" -l 7 -v 3
log "Using `$parseCmd: `"$parseCmd`"" -l 7 -v 3
$currentCache = Get-Variable -Name $cacheVar -Scope Script -ValueOnly
$totalCount = @($currentCache).count
log "Currently $totalCount $logType`s cached." -l 7 -v 2
$cachedItems = $currentCache | Where { $_.$idType -eq $id }
$count = @($cachedItems).count
# If this item hasn't been cached yet
if($count -eq 0) {
log "$logType $idType not found in cache." -l 7 -v 2
log "Retrieving $logType from SCCM..." -l 7 -v 2
$cachedItem = Invoke-Expression $getCmd
# If item exists
if($cachedItem) {
log "$logType exists in SCCM." -l 7 -v 2
# Parse it
# Don't parse TSes or Collections as it would just overwrite the item with nothing
# I could make a parse function for these that just returns the item as-is, but meh
if(($type -ne "ts") -and ($type -ne "collection")) {
$cachedItem = Invoke-Expression $parseCmd
}
# Cache it and return it
$found = $cachedItem
log "$logType will be cached." -l 7 -v 2
log "Will return newly retrieved and cached $logType." -l 7 -v 2
}
# If item doesn't exist
else {
log "$logType doesn't exist in SCCM." -l 7 -v 2
# Cache that fact and return $null
# https://ridicurious.com/2018/10/15/4-ways-to-create-powershell-objects/
$cachedItem = [PSCustomObject]@{
$idType = $id
"NonExistent" = $true
}
log "Will cache that $logType doesn't exist." -l 7 -v 2
log "Will return no $logType." -l 7 -v 2
# $found = $null
}
log $cachedItem -nots -v 3
$oldCache = Get-Variable -Name $cacheVar -Scope Script -ValueOnly
$newCache = $oldCache + @($cachedItem)
Set-Variable -Name $cacheVar -Scope Script -Value $newCache
}
elseif($count -eq 1) {
log "$logType $idType found in cache." -l 7 -v 2
# Technically unnecessary for single member arrays, but this is more straightforward
# I'm always weirded out and tripped up by single member arrays in Powershell not actually being arrays -_-
$cachedItem = @($cachedItems)[0]
# If the item has been cached as non-existent
if($cachedItem.NonExsistent) {
log "$logType cached as non-existent in SCCM." -l 7 -v 2
log "Will return no $logType." -l 7 -v 2
# $found = $null
}
# If the item was cached
else {
log "$logType cached as returned from SCCM." -l 7 -v 2
log "Will return previously retrieved and cached $logType." -l 7 -v 2
# Return cached item
$found = $cachedItem
}
}
elseif($count -gt 1) {
log "Error: somehow the same $logType was cached twice!" -l 7
}
elseif($count -lt 0) {
log "Error: somehow this $logType was cached a negative amount of times!" -l 7
}
else {
log "Unknown error retrieving cached $logType!" -l 7
}
$currentCache = Get-Variable -Name $cacheVar -Scope Script -ValueOnly
$totalCount = @($currentCache).count
log "Now $totalCount $logType`s cached." -l 7 -v 2
log "Done searching for $logType in cache." -l 6 -v 2
$found
}
function Compare-Revisions($assignment) {
log "Comparing revisions of assignment, deployment, and application... " -l 5 -v 1 -nnl
# Save custom property for whether the revisions match, for easy table printout
$as1 = $assignment._Revision
$as2 = $assignment._CI.CIVersion
$dep = $assignment._Deployment._Revision
$app1 = $assignment._Application._Revision
$app2 = $assignment._Application.CIVersion
$same = "MISMATCH!"
if($assignment._DepType -eq "ts") {
if(
($as1 -eq $as2) -and
($as2 -eq $app1) -and
($app1 -eq $app2)
) {
$same = "yes"