Add OCP nodes peer_asn to BGP networking values (test eBGP)

Add peer_asn field to each worker node in network-values ConfigMap
and wire kustomize replacements to set BGPPeer spec.peerASN per node.

This enables CI scenarios to override peerASN per OCP worker
(for eBGP testing with different ASN values).

Notice no functional change, default value (64999) matches existing
hardcoded peerASN.

Related: OSPRH-28085
Assisted-By: Claude
Signed-off-by: Maor Blaustein <mblue@redhat.com>

Author: m-blue-m

examples/dt/bgp_dt01/control-plane/networking/kustomization.yaml

@@ -158,6 +158,62 @@ replacements:
           name: bgp-peer-node-6-0
         fieldPaths:
           - spec.peerAddress
+  # BGP peer ASN per node
+  - source:
+      kind: ConfigMap
+      name: network-values
+      fieldPath: data.node_3.peer_asn
+    targets:
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-3-0
+        fieldPaths:
+          - spec.peerASN
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-3-1
+        fieldPaths:
+          - spec.peerASN
+  - source:
+      kind: ConfigMap
+      name: network-values
+      fieldPath: data.node_4.peer_asn
+    targets:
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-4-0
+        fieldPaths:
+          - spec.peerASN
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-4-1
+        fieldPaths:
+          - spec.peerASN
+  - source:
+      kind: ConfigMap
+      name: network-values
+      fieldPath: data.node_5.peer_asn
+    targets:
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-5-0
+        fieldPaths:
+          - spec.peerASN
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-5-1
+        fieldPaths:
+          - spec.peerASN
+  - source:
+      kind: ConfigMap
+      name: network-values
+      fieldPath: data.node_6.peer_asn
+    targets:
+      - select:
+          kind: BGPPeer
+          name: bgp-peer-node-6-0
+        fieldPaths:
+          - spec.peerASN
   # BGP NetworkAttachmentDefinition customization
   - source:
       kind: ConfigMap

examples/dt/bgp_dt01/control-plane/networking/nncp/values.yaml

@@ -13,6 +13,7 @@ data:
     internalapi_ip: 172.17.0.5
     ctlplane_ip: 192.168.122.10
     storage_ip: 172.18.0.5
+    peer_asn: 64999
     bgp_ip:
       - 100.64.0.10
       - 100.65.0.10
@@ -45,6 +46,7 @@ data:
     internalapi_ip: 172.17.0.6
     ctlplane_ip: 192.168.122.11
     storage_ip: 172.18.0.6
+    peer_asn: 64999
     bgp_ip:
       - 100.64.1.10
       - 100.65.1.10
@@ -77,6 +79,7 @@ data:
     internalapi_ip: 172.17.0.7
     ctlplane_ip: 192.168.122.12
     storage_ip: 172.18.0.7
+    peer_asn: 64999
     bgp_ip:
       - 100.64.2.10
       - 100.65.2.10
@@ -109,6 +112,7 @@ data:
     internalapi_ip: 172.17.0.8
     ctlplane_ip: 192.168.122.13
     storage_ip: 172.18.0.8
+    peer_asn: 64999
     bgp_ip:
       - 100.64.10.2
     bgp_peers: