Partial Cilium 1.16+ Support & Add vars for configuring cilium IP load balancer pools and bgp v1 & v2 apis (#11620)

* Add vars for configuring cilium IP load balancer pools and bgp peer policies

* Cilium 1.16+ Support - Add vars for configuring cilium bgpv2 api & handle cilium_kube_proxy_replacement unsupported values

inventory/sample/group_vars/k8s_cluster/k8s-net-cilium.yml

@@ -247,6 +247,101 @@ cilium_l2announcements: false
 # -- Enable native IP masquerade support in eBPF
 # cilium_enable_bpf_masquerade: false
 
+# -- Enable BGP Control Plane
+# cilium_enable_bgp_control_plane: false
+
+# -- Configure Loadbalancer IP Pools
+# cilium_loadbalancer_ip_pools:
+#   - name: "blue-pool"
+#     cidrs:
+#       - "10.0.10.0/24"
+
+# -- Configure BGP Instances (New bgpv2 API v1.16+)
+# cilium_bgp_cluster_configs:
+#   - name: "cilium-bgp"
+#     spec:
+#       bgpInstances:
+#       - name: "instance-64512"
+#         localASN: 64512
+#         peers:
+#         - name: "peer-64512-tor1"
+#           peerASN: 64512
+#           peerAddress: '10.47.1.1'
+#           peerConfigRef:
+#             name: "cilium-peer"
+#       nodeSelector:
+#         matchExpressions:
+#           - {key: somekey, operator: NotIn, values: ['never-used-value']}
+
+# -- Configure BGP Peers (New bgpv2 API v1.16+)
+# cilium_bgp_peer_configs:
+#   - name: cilium-peer
+#     spec:
+#       # authSecretRef: bgp-auth-secret
+#       gracefulRestart:
+#         enabled: true
+#         restartTimeSeconds: 15
+#       families:
+#         - afi: ipv4
+#           safi: unicast
+#           advertisements:
+#             matchLabels:
+#               advertise: "bgp"
+#         - afi: ipv6
+#           safi: unicast
+#           advertisements:
+#             matchLabels:
+#               advertise: "bgp"
+
+# -- Configure BGP Advertisements (New bgpv2 API v1.16+)
+# cilium_bgp_advertisements:
+#   - name: bgp-advertisements
+#     labels:
+#       advertise: bgp
+#     spec:
+#       advertisements:
+#         # - advertisementType: "PodCIDR"
+#         #   attributes:
+#         #     communities:
+#         #       standard: [ "64512:99" ]
+#         - advertisementType: "Service"
+#           service:
+#             addresses:
+#               - ClusterIP
+#               - ExternalIP
+#               - LoadBalancerIP
+#           selector:
+#             matchExpressions:
+#                 - {key: somekey, operator: NotIn, values: ['never-used-value']}
+
+# -- Configure BGP Node Config Overrides (New bgpv2 API v1.16+)
+# cilium_bgp_node_config_overrides:
+#   - name: bgp-node-config-override
+#     spec:
+#     bgpInstances:
+#       - name: "instance-65000"
+#         routerID: "192.168.10.1"
+#         localPort: 1790
+#         peers:
+#           - name: "peer-65000-tor1"
+#             localAddress: fd00:10:0:2::2
+#           - name: "peer-65000-tor2"
+#             localAddress: fd00:11:0:2::2
+
+# -- Configure BGP Peers (Legacy v1.16+)
+# cilium_bgp_peering_policies:
+#   - name: "01-bgp-peering-policy"
+#     spec:
+#       virtualRouters:
+#         - localASN: 64512
+#           exportPodCIDR: false
+#           neighbors:
+#           - peerAddress: '10.47.1.1/24'
+#             peerASN: 64512
+#           serviceSelector:
+#               matchExpressions:
+#               - {key: somekey, operator: NotIn, values: ['never-used-value']}
+
 # -- Configure whether direct routing mode should route traffic via
 # host stack (true) or directly and more efficiently out of BPF (false) if
 # the kernel supports it. The latter has the implication that it will also