public/Get-AzToolsAutomationRunbook.ps1

function Get-AzToolsAutomationRunbook {
    <#
    .SYNOPSIS
        Get Azure Automation Runbooks
    .DESCRIPTION
        Get and/or export Azure Automation Runbooks
    .PARAMETER SelectContext
        Optional. Prompt to select the Azure context (tenant/subscription)
    .PARAMETER Filter
        Optional. Filter runbooks by name pattern.
        Default = "*" (all matching)
    .PARAMETER TagName
        Optional. Name of Tag to filter results.
    .PARAMETER TagValue
        Optional. If TagName is provided, filters the results to matching tag and value
        If not provided with TagName, then results are filtered to return runbooks
        which have Tag [TagName] regardless of the value assigned to the tag.
    .PARAMETER Export
        Optional. Save runbooks to local path
    .PARAMETER ExportPath
        Optional. If -Export is used, specifies the path where runbook files will be saved.
        Default is current user profile "desktop" path.
    .EXAMPLE
        Get-AzToolsAutomationRunbook
 
        Returns all runbooks in the active Automation Account
    .EXAMPLE
        Get-AzToolsAutomationRunbook -Filter "UserAccount*"
 
        Returns runbooks where the name begins with 'UserAccount'
    .EXAMPLE
        Get-AzToolsAutomationRunbook -TagName "RunOn" -TagValue "Azure"
 
        Returns runbooks which have tag "RunOn" assigned to value "Azure"
    .EXAMPLE
        Get-AzToolsAutomationRunbook -SelectContext
 
        Prompts to select the Subscription, ResourceGroup, AutomationAccount and then
        returns all runbooks in the selected Automation Account.
    .EXAMPLE
        Get-AzToolsAutomationRunbook -Export -ExportPath "c:\temp"
 
        Exports runbooks to files under "c:\temp"
    .LINK
        https://github.com/Skatterbrainz/aztools/tree/main/docs/Get-AzToolsAutomationRunbook.md
    #>

    [CmdletBinding()]
    param (
        [parameter()][switch]$SelectContext,
        [parameter()][string]$Filter = "*",
        [parameter()][string]$TagName,
        [parameter()][string]$TagValue,
        [parameter()][switch]$Export,
        [parameter()][string]$ExportPath = "$($env:USERPROFILE)\desktop"
    )
    if ($SelectContext) { Switch-AzToolsContext }
    if (!$global:AzToolsLastSubscription -or $SelectContext) { Select-AzToolsSubscription }
    if ($global:AzToolsLastSubscription) {
        Write-Verbose "Subscription: $($AzToolsLastSubscription.Id) - $($AzToolsLastSubscription.Name)"
        if (!$global:AzToolsLastResourceGroup -or $SelectContext) { Select-AzToolsResourceGroup }
        if ($global:AzToolsLastResourceGroup) {
            Write-Verbose "Resource group: $AzToolsLastResourceGroup"
            if (!$global:AzToolsLastAutomationAccount -or $SelectContext) { Select-AzToolsAutomationAccount }
            if ($global:AzToolsLastAutomationAccount) {
                $aaname = $global:AzToolsLastAutomationAccount.AutomationAccountName
                $rgname = $global:AzToolsLastResourceGroup.ResourceGroupName
                Write-Verbose "Account=$((Get-AzContext).Account) Subscription=$($AzToolsLastSubscription.Id) ResourceGroup=$($rgname) AutomationAccount=$($aaname)"
                $params = @{
                    ResourceGroupName = $rgname
                    AutomationAccountName = $aaname
                }
                $runbooks = Get-AzAutomationRunbook @params | Sort-Object Name
                if ($Filter -ne "*") {
                    Write-Verbose "Filtering results on: $Filter"
                    $runbooks = $runbooks | Where-Object { $_.Name -like $Filter }
                }
                if (![string]::IsNullOrWhiteSpace($TagName)) {
                    Write-Verbose "Filtering results on: Tag=$TagName and Value=$TagValue"
                    if (![string]::IsNullOrWhiteSpace($TagValue)) {
                        $runbooks = $runbooks | Where-Object {$_.Tags[$TagName] -eq $TagValue}
                    } else {
                        $runbooks = $runbooks | Where-Object {$_.Tags[$TagName]}
                    }
                }
                if ($Export) {
                    foreach ($runbook in $runbooks) {
                        Write-Host "Exporting: $(Join-Path $ExportPath $runbook.Name)" -ForegroundColor Cyan
                        $params = @{
                            Name                  = $runbook.Name
                            OutputFolder          = $ExportPath
                            ResourceGroupName     = $rgname
                            AutomationAccountName = $aaname
                            Force                 = $True
                        }
                        $null = Export-AzAutomationRunbook @params
                    }
                } else {
                    $runbooks
                }
            } else {
                Write-Warning "Automation Account not yet selected"
            }
        } else {
            Write-Warning "Resource Group not yet selected"
        }
    } else {
        Write-Warning "Azure Subscription not yet selected"
    }
}