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kubespray/docs/kube-vip.md

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kube-vip

kube-vip provides Kubernetes clusters with a virtual IP and load balancer for both the control plane (for building a highly-available cluster) and Kubernetes Services of type LoadBalancer without relying on any external hardware or software.

Install

You have to explicitly enable the kube-vip extension:

kube_vip_enabled: true

You also need to enable kube-vip as HA, Load Balancer, or both:

# HA for control-plane, requires a VIP
kube_vip_controlplane_enabled: true
kube_vip_address: 10.42.42.42
loadbalancer_apiserver:
  address: "{{ kube_vip_address }}"
  port: 6443
# kube_vip_interface: ens160

# LoadBalancer for services
kube_vip_services_enabled: false
# kube_vip_services_interface: ens320

Note: When using kube-vip as LoadBalancer for services, additional manual steps are needed.

If using ARP mode :

kube_vip_arp_enabled: true

If using BGP mode :

kube_vip_bgp_enabled: true
kube_vip_local_as: 65000
kube_vip_bgp_routerid: 192.168.0.2
kube_vip_bgppeers:
- 192.168.0.10:65000::false
- 192.168.0.11:65000::false
# kube_vip_bgp_peeraddress:
# kube_vip_bgp_peerpass:
# kube_vip_bgp_peeras: