Public/Get-LMAlertRule.ps1
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<# .SYNOPSIS Retrieves LogicMonitor alert rules based on specified parameters. .DESCRIPTION The Get-LMAlertRule function retrieves LogicMonitor alert rules based on the specified parameters. It supports retrieving alert rules by ID, name, or using a filter. The function uses the LogicMonitor REST API to make the requests. .PARAMETER Id Specifies the ID of the alert rule to retrieve. This parameter is mutually exclusive with the Name and Filter parameters. .PARAMETER Name Specifies the name of the alert rule to retrieve. This parameter is mutually exclusive with the Id and Filter parameters. .PARAMETER Filter Specifies a filter object to retrieve alert rules based on specific criteria. This parameter is mutually exclusive with the Id and Name parameters. .PARAMETER BatchSize Specifies the number of alert rules to retrieve in each request. The default value is 1000. .EXAMPLE Get-LMAlertRule -Id 123 Retrieves the alert rule with the specified ID. .EXAMPLE Get-LMAlertRule -Name "High CPU Usage" Retrieves the alert rule with the specified name. .NOTES This function requires a valid LogicMonitor API authentication. Use Connect-LMAccount to authenticate before running this function. #> Function Get-LMAlertRule { [CmdletBinding(DefaultParameterSetName = 'All')] Param ( [Parameter(ParameterSetName = 'Id')] [Int]$Id, [Parameter(ParameterSetName = 'Name')] [String]$Name, [Parameter(ParameterSetName = 'Filter')] [Object]$Filter, [ValidateRange(1, 1000)] [Int]$BatchSize = 1000 ) #Check if we are logged in and have valid api creds If ($Script:LMAuth.Valid) { #Build header and uri $ResourcePath = "/setting/alert/rules" #Initalize vars $QueryParams = "" $Count = 0 $Done = $false $Results = @() #Loop through requests While (!$Done) { #Build query params Switch ($PSCmdlet.ParameterSetName) { "All" { $QueryParams = "?size=$BatchSize&offset=$Count&sort=+id" } "Id" { $resourcePath += "/$Id" } "Name" { $QueryParams = "?filter=name:`"$Name`"&size=$BatchSize&offset=$Count&sort=+id" } "Filter" { #List of allowed filter props $PropList = @() $ValidFilter = Format-LMFilter -Filter $Filter -PropList $PropList $QueryParams = "?filter=$ValidFilter&size=$BatchSize&offset=$Count&sort=+id" } } Try { $Headers = New-LMHeader -Auth $Script:LMAuth -Method "GET" -ResourcePath $ResourcePath $Uri = "https://$($Script:LMAuth.Portal).logicmonitor.com/santaba/rest" + $ResourcePath + $QueryParams Resolve-LMDebugInfo -Url $Uri -Headers $Headers[0] -Command $MyInvocation #Issue request $Response = Invoke-RestMethod -Uri $Uri -Method "GET" -Headers $Headers[0] -WebSession $Headers[1] #Stop looping if single device, no need to continue If ($PSCmdlet.ParameterSetName -eq "Id") { $Done = $true Return (Add-ObjectTypeInfo -InputObject $Response -TypeName "LogicMonitor.AlertRule") } #Check result size and if needed loop again Else { [Int]$Total = $Response.Total [Int]$Count += ($Response.Items | Measure-Object).Count $Results += $Response.Items If ($Count -ge $Total) { $Done = $true } } } Catch [Exception] { $Proceed = Resolve-LMException -LMException $PSItem If (!$Proceed) { Return } } } Return (Add-ObjectTypeInfo -InputObject $Results -TypeName "LogicMonitor.AlertRule") } Else { Write-Error "Please ensure you are logged in before running any commands, use Connect-LMAccount to login and try again." } } |