feat: Telegraf node installer (Linux apt/dnf/apk/static, Proxmox, Apache, Docker; Windows PowerShell)

install.ps1

@@ -0,0 +1,113 @@
+<#
+.SYNOPSIS
+  NetBird Observability — Telegraf Node Installer (Windows, als Administrator)
+.EXAMPLE
+  Set-ExecutionPolicy Bypass -Scope Process -Force
+  iwr -useb https://gitea.m-m.bio/mm/netbird-telegraf-installer/raw/branch/main/install.ps1 | iex
+  # mit Parametern:
+  & ([scriptblock]::Create((iwr -useb https://gitea.m-m.bio/mm/netbird-telegraf-installer/raw/branch/main/install.ps1))) -Name mypc -Collector 100.83.134.46
+#>
+param(
+  [string]$Name = $env:COMPUTERNAME.ToLower(),
+  [string]$Collector = "100.83.134.46",
+  [string]$Version = "1.40.0",
+  [switch]$Uninstall
+)
+$ErrorActionPreference = "Stop"
+$Dir  = "C:\Program Files\Telegraf"
+$Exe  = "$Dir\telegraf.exe"
+$Conf = "$Dir\telegraf.conf"
+
+$isAdmin = ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
+if (-not $isAdmin) { throw "Bitte als Administrator ausführen." }
+
+if ($Uninstall) {
+  if (Test-Path $Exe) { Stop-Service telegraf -ErrorAction SilentlyContinue; & $Exe --service uninstall 2>$null }
+  Remove-Item -Recurse -Force $Dir -ErrorAction SilentlyContinue
+  Write-Host "[netbird-telegraf] Telegraf entfernt."; exit 0
+}
+
+$arch = "amd64"
+if ($env:PROCESSOR_ARCHITECTURE -eq "ARM64") { $arch = "arm64" }
+elseif (-not [Environment]::Is64BitOperatingSystem) { $arch = "i386" }
+Write-Host "[netbird-telegraf] Node=$Name Arch=$arch Collector=$Collector"
+
+try {
+  Invoke-WebRequest -UseBasicParsing -TimeoutSec 8 "http://${Collector}:9090/-/ready" | Out-Null
+  Write-Host "[netbird-telegraf] Collector erreichbar."
+} catch {
+  Write-Warning "Collector http://${Collector}:9090 nicht erreichbar — NetBird verbunden? Installation läuft weiter, Telegraf puffert."
+}
+
+if (-not (Test-Path $Exe)) {
+  $zip = Join-Path $env:TEMP "telegraf.zip"
+  $url = "https://dl.influxdata.com/telegraf/releases/telegraf-${Version}_windows_${arch}.zip"
+  Write-Host "[netbird-telegraf] Lade $url"
+  Invoke-WebRequest -UseBasicParsing $url -OutFile $zip
+  $tmp = Join-Path $env:TEMP "telegraf-extract"
+  Remove-Item -Recurse -Force $tmp -ErrorAction SilentlyContinue
+  Expand-Archive $zip $tmp
+  New-Item -ItemType Directory -Force $Dir | Out-Null
+  $bin = Get-ChildItem $tmp -Recurse -Filter telegraf.exe | Select-Object -First 1
+  Copy-Item $bin.FullName $Exe -Force
+}
+
+$cfg = @"
+[global_tags]
+  node = "$Name"
+
+[agent]
+  interval = "15s"
+  flush_interval = "15s"
+  metric_batch_size = 1000
+  metric_buffer_limit = 20000
+  hostname = "$Name"
+
+[[outputs.http]]
+  url = "http://${Collector}:9090/api/v1/write"
+  data_format = "prometheusremotewrite"
+  timeout = "10s"
+  namedrop = ["win_eventlog"]
+  [outputs.http.headers]
+    Content-Type = "application/x-protobuf"
+    Content-Encoding = "snappy"
+    X-Prometheus-Remote-Write-Version = "0.1.0"
+
+[[outputs.loki]]
+  domain = "http://${Collector}:3100"
+  endpoint = "/loki/api/v1/push"
+  namepass = ["win_eventlog"]
+  sanitize_label_names = true
+  metric_name_label = ""
+
+[[inputs.cpu]]
+  percpu = false
+  totalcpu = true
+[[inputs.mem]]
+[[inputs.swap]]
+[[inputs.system]]
+[[inputs.disk]]
+[[inputs.diskio]]
+[[inputs.net]]
+[[inputs.win_services]]
+
+[[inputs.win_eventlog]]
+  xpath_query = "<QueryList><Query Id='0' Path='System'><Select Path='System'>*[System[(Level=1 or Level=2 or Level=3)]]</Select></Query><Query Id='1' Path='Application'><Select Path='Application'>*[System[(Level=1 or Level=2 or Level=3)]]</Select></Query></QueryList>"
+  from_beginning = false
+  only_first_line_of_message = true
+
+[[processors.override]]
+  namepass = ["win_eventlog"]
+  fieldinclude = ["Message", "Source", "EventID"]
+"@
+Set-Content -Path $Conf -Value $cfg -Encoding UTF8
+
+& $Exe --config $Conf --test --input-filter cpu | Out-Null
+Stop-Service telegraf -ErrorAction SilentlyContinue
+& $Exe --service uninstall 2>$null | Out-Null
+& $Exe --service install --config $Conf | Out-Null
+Start-Service telegraf
+Start-Sleep -Seconds 3
+if ((Get-Service telegraf).Status -ne "Running") { throw "Dienst telegraf läuft nicht." }
+Write-Host "[netbird-telegraf] OK — Node '$Name' liefert an http://${Collector}:9090 (Metriken) und :3100 (Eventlog Warn/Error)."
+Write-Host "[netbird-telegraf] Grafana: http://${Collector}:3000 (nur im NetBird)"