[WIP]Support for VRRP keepalived for Ingress

Change-Id: I5a1ea545a01f59cd2213c375e42dcbca34bbad22

manifests/function/k8scontrol/kustomization.yaml

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../../../airshipctl/manifests/function/k8scontrol
+  - ./replacements
+patchesStrategicMerge:
+  - vrrp_keepalived_patch.yaml

manifests/function/k8scontrol/replacements/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+  - networking.yaml

manifests/function/k8scontrol/replacements/networking.yaml

@@ -0,0 +1,27 @@
+apiVersion: airshipit.org/v1alpha1
+kind: ReplacementTransformer
+metadata:
+  name: k8scontrol-networking-replacements
+  annotations:
+    config.kubernetes.io/function: |-
+      container:
+        image: quay.io/airshipit/replacement-transformer:latest
+replacements:
+- source:
+    objref:
+      kind: NetworkCatalogue
+      name: networking
+    fieldref: spec.kubernetes.ingressVIP
+  target:
+    objref:
+      kind: KubeadmControlPlane
+    fieldrefs: ["spec.kubeadmConfigSpec.files.0.ingressVIP"]
+- source:
+    objref:
+      kind: NetworkCatalogue
+      name: networking
+    fieldref: spec.kubernetes.ingressBond
+  target:
+    objref:
+      kind: KubeadmControlPlane
+    fieldrefs: ["spec.kubeadmConfigSpec.files.0.ingressBond"]

manifests/function/k8scontrol/vrrp_keepalived_patch.yaml

@@ -0,0 +1,38 @@
+kind: KubeadmControlPlane
+apiVersion: controlplane.cluster.x-k8s.io/v1alpha3
+metadata:
+  name: cluster-controlplane
+spec:
+  kubeadmConfigSpec:
+    files:
+    - path: /etc/keepalived/keepalived.conf
+      $patch: merge
+      ingressVIP:
+      ingressBond:
+      content: |
+         ! Configuration File for keepalived
+         global_defs {
+         }
+         vrrp_instance KUBERNETES {
+             state BACKUP
+             interface bond0.51
+             virtual_router_id 124
+             priority 101
+             advert_int 1
+             virtual_ipaddress {
+                 32.68.50.124
+             }
+         }
+         vrrp_instance INGRESS {
+             state BACKUP
+             interface bond0.51
+             virtual_router_id 125
+             priority 101
+             advert_int 1
+             virtual_ipaddress {
+                 32.68.50.125
+             }
+         }
+    preKubeadmCommands:
+      - apt-get update && apt-get install -y bridge-utils keepalived ipset ipvsadm
+      - systemctl enable --now keepalived

manifests/site/test-site/target/catalogues/networking.yaml

@@ -13,6 +13,8 @@ spec:
     controlPlaneEndpoint:
       host: "10.23.25.102"
     apiserverCertSANs: "[10.23.25.102, 10.23.24.102]"
+    ingressVIP: "10.23.25.102"
+    ingressBond: bond51
   
   ironic:
     provisioningIp: "10.23.24.102"