MPLS Services (#10421)

* initial database migrations

* first part, discovery

* second part, polling

* add SAP polling and discovery

* style checks

* rename variables in more generic way

* html global pages for sdp and sdp binds

* add Services and SAPs

* port links, database, etc.

* html device routing pages

* add tests

* checks

* rework database id relationship

* scruntinizer inspection

* fix unit test for new mpls tables

app/Models/MplsSap.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use LibreNMS\Interfaces\Models\Keyable;
+
+class MplsSap extends Model implements Keyable
+{
+    protected $primaryKey = 'sap_id';
+    public $timestamps = false;
+    protected $fillable = [
+        'svc_id',
+        'svc_oid',
+        'sapPortId',
+        'ifName',
+        'sapEncapValue',
+        'device_id',
+        'sapRowStatus',
+        'sapType',
+        'sapDescription',
+        'sapAdminStatus',
+        'sapOperStatus',
+        'sapLastMgmtChange',
+        'sapLastStatusChange',
+    ];
+
+    // ---- Helper Functions ----
+
+    /**
+     * Get a string that can identify a unique instance of this model
+     * @return string
+     */
+    public function getCompositeKey()
+    {
+        return $this->svc_oid . '-' . $this->sapPortId . '-' . $this->sapEncapValue;
+    }
+
+    // ---- Define Relationships ----
+
+    public function binds()
+    {
+        return $this->hasMany('App\Models\MplsSdpBind', 'svc_id');
+    }
+    
+    public function services()
+    {
+        return $this->hasMany('App\Models\MplsService', 'svc_id');
+    }
+}