Add IPAM foundation objects and schemas

Add device model, supernet prefixes, and ASN number pool for IPAM
foundation
Add IP prefix and address schemas with resource manager support
Add device model schema with port specifications
Add site IP prefix relationships and fabric device model relationships

infrahub/objects/00-ipam-foundation.yml

@@ -0,0 +1,53 @@
+# IPAM Foundation Objects
+# Must be loaded BEFORE 01-foundation.yml
+# Contains: device model, supernet prefixes, ASN number pool
+---
+
+# ================================================================
+# Device Model
+# ================================================================
+- kind: InfraDeviceModel
+  data:
+    name:
+      value: "7050SX3-48YC12"
+    description:
+      value: "Arista 7050SX3-48YC12 — 48x 25G SFP28 + 12x 100G QSFP100"
+    manufacturer:
+      value: "Arista"
+    host_port_count:
+      value: 48
+    fabric_port_count:
+      value: 12
+
+# ================================================================
+# Supernet Prefixes
+# ================================================================
+- kind: IpamIPPrefix
+  data:
+    prefix:
+      value: "10.0.0.0/8"
+    description:
+      value: "Infrastructure supernet — loopbacks, underlay, MLAG"
+
+- kind: IpamIPPrefix
+  data:
+    prefix:
+      value: "172.16.0.0/12"
+    description:
+      value: "Services supernet — L2/L3 VXLAN user subnets"
+
+# ================================================================
+# ASN Number Pool
+# ================================================================
+- kind: CoreNumberPool
+  data:
+    name:
+      value: "leaf-asn-pool"
+    description:
+      value: "ASN pool for leaf MLAG pairs (65001-65099)"
+    start_range:
+      value: 65001
+    end_range:
+      value: 65099
+    node: InfraAutonomousSystem
+    node_attribute: asn