added powershell version. going for go next days

unifi.ps1

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+
+$URI = "https://unifi.freifunk-troisdorf.de/v2.1/devices"
+$headers = @{
+  "x-auth-token" = ""
+}
+
+$devices = (Get-Content -Path .\devices.json | ConvertFrom-Json).devices
+
+$request  = Invoke-Restmethod -URI $URI -Method GET -Headers $headers
+
+# Get timestamp
+$timestamp = Get-Date -UFormat "%Y-%m-%dT%R:00%Z00"
+$timeDiffFromUTC = Get-Date -UFormat "%Z00"
+
+
+
+# create empty nodes array
+$nodes = @()
+$links = @()
+
+# loop through each device
+foreach ($device in $devices) {
+  $dev = $request | Where-Object { $_.identification.mac -eq $device.mac}
+  # implement function that reports not found mac addresses in API
+  
+  ## Get info from API
+  $firstseen = Get-Date -Date $dev.overview.createdAt -UFormat "%Y-%m-%dT%R:00$timeDiffFromUTC"
+  $lastseen = Get-Date -Date $dev.overview.lastSeen -UFormat "%Y-%m-%dT%R:00$timeDiffFromUTC"
+  if ($dev.overview.status -eq "active") {
+    $is_online = $true
+  } else {
+    $is_online = $false
+  }
+  
+  $uptime = Get-Date -Date $dev.identification.started -UFormat "%Y-%m-%dT%R:00$timeDiffFromUTC"
+  $mac = $dev.identification.mac
+  $node_id = $mac.replace(":","")
+  
+  
+  ## End of API call 1
+  
+  
+  # get more info from each device
+  ## Get more info from second API call
+  $id = $dev.identification.id
+  $URI = "https://unifi.freifunk-troisdorf.de/v2.1/devices/erouters/$id"
+  $details = Invoke-Restmethod -URI $URI -Method GET -Headers $headers
+  
+  $loadavg = $details.overview.cpu / 100
+  $memory_usage = $details.overview.ram / 100
+  
+  $addresses = @()
+  # cut away network mask
+  $addresses += $details.ipAddress.split("/")[0]
+  
+  $hostname = "[RiFu] " + $details.identification.name
+  
+  $firmware = @{
+    base = "Ubiquiti - Stock"
+    release = $details.firmware.current
+  }
+  $model = $details.identification.model
+  
+  ## End of API call 2
+  
+  ## API Call 3 (Links)
+  $URI = "https://unifi.freifunk-troisdorf.de/v2.1/devices/airmaxes/$id/stations"
+  $airmaxes = Invoke-Restmethod -URI $URI -Method GET -Headers $headers
+  $remoteMAC = $airmaxes.deviceIdentification.mac
+  
+  
+  # check if remote mac address is part of our published network
+  if ($devices | Where-Object -Property mac -EQ $remoteMAC) {
+    # this is a public link, let's advertise it
+    if (!($links | Where-Object -Property source_addr -EQ $remoteMAC)) {
+      # this link does not exist already, let's add it
+      $links += @{
+        type = "wifi"
+        source = $mac.replace(":","")
+        target = $remoteMAC.replace(":","")
+        source_tq = $airmaxes.statistics.linkScore
+        target_tq = $airmaxes.statistics.linkScore
+        source_addr = $mac
+        target_addr = $remoteMAC
+      }
+    }
+  }
+  
+  ## Get info from json file (static)
+  $currentDev = $devices | Where-Object -Property mac -EQ $dev.identification.mac
+  $gateway_nexthop = $currentDev.gateway_nexthop
+  $gateway = $currentDev.gateway
+  $domain = $currentDev.domain
+  $location = $currentDev.location
+
+  # assemble all into nodes an links
+  $nodes += @{
+    firstseen = $firstseen
+    lastseen = $lastseen
+    is_online = $is_online
+    is_gateway = $false
+    clients = 0
+    clients_wifi24 = 0
+    clients_wifi5 = 0
+    clients_other = 0
+    rootfs_usage = 0
+    loadavg = $loadavg
+    memory_usage = $memory_usage
+    uptime = $uptime
+    gateway_nexthop = $gateway_nexthop
+    gateway = $gateway
+    location = $location
+    node_id = $node_id
+    mac = $mac
+    addresses = $addresses
+    domain = $domain
+    hostname = $hostname
+    owner = "Freifunk Rhein-Sieg"
+    firmware = $firmware
+    autoupdater = @{
+      enabled = $false
+      branch = "stable"
+    }
+    nproc = 1
+    model = $model
+  }
+}
+
+
+# create file output
+$output = @{
+  timestamp = $timestamp
+  nodes = $nodes
+  links = $links
+}
+
+$output | ConvertTo-Json -Depth 4 | Out-File example.json