Keepalived

This role configures keepalived as a static Pod on a Kubernetes master node. It supports an IPv4 virtual IP as well as an IPv6 one. Both addresses can be configured independently.

Requirements

This role needs the host to be configured as a working Kubernetes master node.

Role Variables

Name	Required/Default	Description
keepalived_kube_interface	✔️	The interface on which to configure the VIP
keepalived_kube_vip_v4	undefined	The virtual IPv4 address to use
keepalived_kube_vip_v6	undefined	The virtual IPv6 address to use.
keepalived_kube_image	bsctl/keepalived	image to use for the keepalived container
keepalived_kube_namespace	kube-system	The namespace of the pod
keepalived_kube_router_id_v4	51	Router ID of the vrrp instance responsible for the IPv4 IP. Should be shared by all hosts in the cluster.
keepalived_kube_router_id_v6	52	Router ID of the vrrp instance responsible for the IPv6 IP. Should be shared by all hosts in the cluster.
keepalived_kube_script_interval	5	interval to execute the health check at
keepalived_kube_script_timeout	2	timeout for the health command in seconds
keepalived_kube_script_rise	2	number of successful health checks necessary to become healthy
keepalived_kube_script_fall	2	number of failed health checks to tolerate
keepalived_kube_script_user	root	user as which to run the health check
keepalived_kube_manifest	See defaults/main.yml	Template for the keepalived Pod

Example

Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:

License

This work is licensed under the MIT License.

Author Information

• Sven Feyerabend sven.feyerabend at stuvus.uni-stuttgart.de