Public/Invoke-LMDeviceDedupe.ps1
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Function Invoke-LMDeviceDedupe { [CmdletBinding()] Param ( [Parameter(ParameterSetName = 'List',Mandatory)] [Switch]$ListDuplicates, [Parameter(ParameterSetName = 'Remove',Mandatory)] [Switch]$RemoveDuplicates, [String]$DeviceGroupId, [String[]]$IpExclusionList, [String[]]$SysNameExclusionList, [String[]]$ExcludeDeviceType = @(8) #Exclude K8s resources by default ) #Check if we are logged in and have valid api creds Begin {} Process { If ($Script:LMAuth.Valid) { $DeviceList = @() $IpExclusionList += @("127.0.0.1","::1") $SysNameExclusionList += @("(none)","N/A","none","blank","empty","") If($DeviceGroupId){ $DeviceList = Get-LMDeviceGroupDevices -Id $DeviceGroupId } Else{ $DeviceList = Get-LMDevice } #Remove excluded device types $DeviceList = $DeviceList | Where-Object {$ExcludeDeviceType -notcontains $_.deviceType} If($DeviceList){ $OrganizedDevicesList = @() $DuplicateSysNameList = @() $RemainingDeviceList = @() $OutputList = @() #Loop through list and compare sysname, hostname and ips Foreach($Device in $DeviceList){ $IpList = $null $IpListIndex = $Device.systemProperties.name.IndexOf("system.ips") If($IpListIndex -ne -1){ $IpList = $Device.systemProperties[$IpListIndex].value } $SysName = $null $SysNameIndex = $Device.systemProperties.name.IndexOf("system.sysname") If($SysNameIndex -ne -1){ $SysName = $Device.systemProperties[$SysNameIndex].value.tolower() } $HostName = $null $HostNameIndex = $Device.systemProperties.name.IndexOf("system.hostname") If($HostNameIndex -ne -1){ $HostName = $Device.systemProperties[$HostNameIndex].value.tolower() } $OrganizedDevicesList += [PSCustomObject]@{ ipList = $IpList sysName = $SysName hostName = $HostName displayName = $Device.displayName deviceId = $Device.id currentCollectorId = $Device.currentCollectorId createdOnEpoch = $Device.createdOn createdOnDate = (Get-Date 01.01.1970)+([System.TimeSpan]::fromseconds($($Device.createdOn))) } } #Remove items that are missing system.ips and system.sysname $OrganizedDevicesList = $OrganizedDevicesList | ? {$_.ipList -ne $null -or $_.sysName -ne $null} #group devices with matching sysname values $DuplicateSysNameList = $OrganizedDevicesList | Group-Object -Property sysname | Sort-Object Count -Unique -Descending | ? {$_.Count -gt 1 -and $SysNameExclusionList -notcontains $_.Name} #Group remaining devices into array so we can process for duplicate ips $RemainingDeviceList = ($OrganizedDevicesList | Group-Object -Property sysname | Sort-Object Count -Unique -Descending | ? {$_.Count -eq 1 -or $SysNameExclusionList -contains $_.Name}).Group #Loop through each group and add duplicates to our list Foreach($Group in $DuplicateSysNameList){ #Get the oldest device out of the group and mark as original device to keep around $OriginalDeviceEpochIndex = $Group.Group.createdOnEpoch.IndexOf($($Group.Group.createdOnEpoch | sort-object -Descending | Select -last 1)) $OriginalDevice = $Group.Group[$OriginalDeviceEpochIndex] Foreach($Device in $Group.Group){ If($Device.deviceId -ne $OriginalDevice.deviceId){ $OutputList += [PSCustomObject]@{ duplicate_deviceId = $Device.deviceId duplicate_sysName = $Device.sysName duplicate_hostName = $Device.hostName duplicate_displayName = $Device.displayName duplicate_currentCollectorId = $Device.currentCollectorId duplicate_createdOnEpoch = $Device.createdOnEpoch duplicate_createdOnDate = $Device.createdOnDate duplicate_ipList = $Device.ipList original_deviceId = $OriginalDevice.deviceId original_sysName = $OriginalDevice.sysName original_hostName = $OriginalDevice.hostName original_displayName = $OriginalDevice.displayName original_currentCollectorId = $OriginalDevice.currentCollectorId original_createdOnEpoch = $OriginalDevice.createdOnEpoch original_createdOnDate = $OriginalDevice.createdOnDate original_ipList = $OriginalDevice.ipList duplicate_reason = "device is considered a duplicate for having a matching sysname value of $($Device.sysName) with $($Group.Count) devices" } } } } $DuplicateIPDeviceList = @() $DuplicateIPDeviceGroupList = @() #Find duplicate ips for use to locate $DuplicateIPList = @() $DuplicateIPList = ($RemainingDeviceList.iplist.split(",") | Group-Object | ?{ $_.Count -gt 1 -and $IpExclusionList -notcontains $_.Name}).Group | Select-Object -Unique If($DuplicateIPList){ Foreach($Device in $RemainingDeviceList){ #TODO process system.ips list for dupes if assigned to same collector id $DuplicateCheckResult = @() $DuplicateCheckResult = Compare-Object -ReferenceObject $DuplicateIpList -DifferenceObject $($Device.ipList).split(",") -IncludeEqual -ExcludeDifferent -PassThru If($DuplicateCheckResult){ $DuplicateIPDeviceList += [PSCustomObject]@{ deviceId = $Device.deviceId ipList = $Device.ipList sysName = $Device.sysName hostName = $Device.hostName displayName = $Device.displayName currentCollectorId = $Device.currentCollectorId createdOnEpoch = $Device.createdOnEpoch createdOnDate = $Device.createdOnDate duplicate_ips = $DuplicateCheckResult -join "," } } } } #Group devices with the same duplicate IPs so we can add them to our group $DuplicateIPDeviceGroupList = $DuplicateIPDeviceList | Group-Object -Property duplicate_ips | Sort-Object Count -Unique -Descending | ? {$_.count -gt 1} Foreach($Group in $DuplicateIPDeviceGroupList){ #Get the oldest device out of the group and mark as original device to keep around $OriginalDeviceEpochIndex = $Group.Group.createdOnEpoch.IndexOf($($Group.Group.createdOnEpoch | sort-object -Descending | Select -last 1)) $OriginalDevice = $Group.Group[$OriginalDeviceEpochIndex] Foreach($Device in $Group.Group){ If($Device.deviceId -ne $OriginalDevice.deviceId){ $OutputList += [PSCustomObject]@{ duplicate_deviceId = $Device.deviceId duplicate_sysName = $Device.sysName duplicate_hostName = $Device.hostName duplicate_displayName = $Device.displayName duplicate_currentCollectorId = $Device.currentCollectorId duplicate_createdOnEpoch = $Device.createdOnEpoch duplicate_createdOnDate = $Device.createdOnDate duplicate_ipList = $Device.ipList original_deviceId = $OriginalDevice.deviceId original_sysName = $OriginalDevice.sysName original_hostName = $OriginalDevice.hostName original_displayName = $OriginalDevice.displayName original_currentCollectorId = $OriginalDevice.currentCollectorId original_createdOnEpoch = $OriginalDevice.createdOnEpoch original_createdOnDate = $OriginalDevice.createdOnDate original_ipList = $OriginalDevice.ipList duplicate_reason = "device is considered a duplicate for having a matching system.ips value of $($Device.duplicate_ips) with $($Group.Count) devices" } } } } If($OutputList){ If($ListDuplicates){ Return (Add-ObjectTypeInfo -InputObject $OutputList -TypeName "LogicMonitor.DedupeList" ) } ElseIf($RemoveDuplicates){ Foreach($Device in $OutputList){ #Remove duplicate devices Write-LMHost "Removing device ($($Device.duplicate_deviceId)) $($Device.duplicate_displayName) for reason: $($Device.duplicate_reason)" Remove-LMDevice -Id $Device.duplicate_deviceId } } } Else{ Write-LMHost "No duplicates detected based on set parameters." } } } Else { Write-Error "Please ensure you are logged in before running any commands, use Connect-LMAccount to login and try again." } } End {} } |