helpers/templates/Import-CommunityDeviceRoleTemplates.ps1

<#
.SYNOPSIS
    Downloads and imports all community device role templates from the
    progress/WhatsUp-Gold-Device-Templates GitHub repository.
 
.DESCRIPTION
    This script uses the GitHub API to enumerate .json files in the
    progress/WhatsUp-Gold-Device-Templates repository, downloads each
    raw template, and imports it into WhatsUp Gold via
    Set-WUGDeviceRole -ImportPackage.
 
    Requires an active WhatsUpGoldPS session (Connect-WUGServer).
 
.PARAMETER WUGServer
    The WhatsUp Gold server address (e.g. "192.168.1.250" or "wug.example.com:9644").
    If omitted, you must already be connected via Connect-WUGServer.
 
.PARAMETER TemplateNames
    Optional array of template names to import (without .json extension).
    If omitted, all templates in the repository are imported.
    Example: @("FortiOS Monitors", "Cisco ASA Monitors")
 
.PARAMETER ListOnly
    Switch to list available templates without importing them.
 
.EXAMPLE
    # Import all community templates (already connected)
    .\Import-CommunityDeviceRoleTemplates.ps1
 
.EXAMPLE
    # Connect and import all templates
    .\Import-CommunityDeviceRoleTemplates.ps1 -WUGServer "192.168.1.250"
 
.EXAMPLE
    # Import only specific templates
    .\Import-CommunityDeviceRoleTemplates.ps1 -TemplateNames "FortiOS Monitors", "Cisco ASA Monitors"
 
.EXAMPLE
    # List available templates without importing
    .\Import-CommunityDeviceRoleTemplates.ps1 -ListOnly
 
.NOTES
    Author: Jason Alberino (jason@wug.ninja)
    Source: https://github.com/progress/WhatsUp-Gold-Device-Templates
#>

param(
    [string]$WUGServer,
    [string[]]$TemplateNames,
    [switch]$ListOnly
)

$repoApiUrl = "https://api.github.com/repos/progress/WhatsUp-Gold-Device-Templates/contents"

# -- Pre-flight ----------------------------------------------------------------
if (-not (Get-Module -Name WhatsUpGoldPS)) { Import-Module WhatsUpGoldPS }

if ($WUGServer) {
    if (-not $global:WhatsUpServerBaseURI) {
        $cred = Get-Credential -Message "Enter WhatsUp Gold credentials for $WUGServer"
        Connect-WUGServer -Server $WUGServer -Credential $cred
    }
}

if (-not $ListOnly -and -not $global:WhatsUpServerBaseURI) {
    Write-Error "Not connected to a WhatsUp Gold server. Run Connect-WUGServer first or pass -WUGServer."
    return
}

# -- Enumerate templates from GitHub ------------------------------------------
Write-Host "`nFetching template list from GitHub..." -ForegroundColor Cyan
try {
    $repoContents = Invoke-RestMethod -Uri $repoApiUrl -Method Get -Headers @{ 'User-Agent' = 'WhatsUpGoldPS' }
}
catch {
    Write-Error "Failed to query GitHub API: $_"
    return
}

$jsonFiles = $repoContents | Where-Object { $_.type -eq 'file' -and $_.name -like '*.json' }

if (-not $jsonFiles -or $jsonFiles.Count -eq 0) {
    Write-Warning "No .json template files found in the repository."
    return
}

# Filter by name if requested
if ($TemplateNames) {
    $filtered = @()
    foreach ($name in $TemplateNames) {
        $match = $jsonFiles | Where-Object { $_.name -eq "$name.json" -or $_.name -eq $name }
        if ($match) {
            $filtered += $match
        }
        else {
            Write-Warning "Template not found in repository: $name"
        }
    }
    $jsonFiles = $filtered
    if (-not $jsonFiles -or $jsonFiles.Count -eq 0) {
        Write-Warning "No matching templates found."
        return
    }
}

# -- List mode ----------------------------------------------------------------
if ($ListOnly) {
    Write-Host "`nAvailable device role templates ($($jsonFiles.Count)):" -ForegroundColor Green
    $jsonFiles | ForEach-Object {
        $name = $_.name -replace '\.json$', ''
        $sizeKB = [math]::Round($_.size / 1024, 1)
        Write-Host " - $name ($sizeKB KB)"
    }
    return
}

# -- Download & Import --------------------------------------------------------
Write-Host "Found $($jsonFiles.Count) template(s) to import.`n" -ForegroundColor Green

$imported = 0
$failed   = 0
$results  = @()

foreach ($file in $jsonFiles) {
    $templateName = $file.name -replace '\.json$', ''
    $downloadUrl  = $file.download_url

    Write-Host "[$($imported + $failed + 1)/$($jsonFiles.Count)] Importing: $templateName ... " -NoNewline

    try {
        # Download raw JSON from GitHub
        $json = Invoke-RestMethod -Uri $downloadUrl -Method Get -Headers @{ 'User-Agent' = 'WhatsUpGoldPS' } | ConvertTo-Json -Depth 100 -Compress

        # Import into WUG via Import-WUGRoleTemplate
        $result = Import-WUGRoleTemplate -Body $json -Confirm:$false -ErrorAction Stop
        Write-Host "OK" -ForegroundColor Green
        $imported++
        $results += [PSCustomObject]@{ Template = $templateName; Status = 'Imported'; Detail = '' }
    }
    catch {
        Write-Host "FAILED" -ForegroundColor Red
        Write-Host " Error: $($_.Exception.Message)" -ForegroundColor Yellow
        $failed++
        $results += [PSCustomObject]@{ Template = $templateName; Status = 'Failed'; Detail = $_.Exception.Message }
    }
}

# -- Summary ------------------------------------------------------------------
Write-Host "`n-- Import Summary --" -ForegroundColor Cyan
Write-Host " Total: $($jsonFiles.Count)"
Write-Host " Imported: $imported" -ForegroundColor Green
if ($failed -gt 0) {
    Write-Host " Failed: $failed" -ForegroundColor Red
}

$results | Format-Table -AutoSize

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