Merge pull request #5745 from twz123/cplb-vs-externaladdr

Be less strict about CPLB vs. endpoint reconciler

Author: twz123

cmd/controller/controller.go

@@ -272,7 +272,7 @@ func (c *command) start(ctx context.Context, flags *config.ControllerOptions) er
 
 		if enableK0sEndpointReconciler {
 			enableK0sEndpointReconciler = false
-			logrus.Warn("Disabling k0s endpoint reconciler as it is incompatible with control plane load balancing")
+			logrus.Info("Disabling k0s endpoint reconciler in favor of control plane load balancing")
 		}
 
 		nodeComponents.Add(ctx, &cplb.Keepalived{

docs/cplb.md

@@ -32,10 +32,13 @@ rules in the control plane nodes which may be incompatible with custom CNI plugi
 
 ### External address
 
-If [`spec.api.externalAddress`](configuration.md#specapi) is defined it's mandatory to disable
-the [`endpoint-reconciler` component](configuration.md#disabling-controller-components) using the flag `--disable-components=endpoint-reconciler`.
+If [`spec.api.externalAddress`](configuration.md#specapi) is defined, control
+plane load balancing implicitly
+[disables](configuration.md#disabling-controller-components) k0s's endpoint
+reconciler component, just as if the `--disable-components=endpoint-reconciler`
+flag had been specified.
 
-### Node Local Load Balancing
+### Node Local load balancing
 
 CPLB is fully compatible with [NLLB](nllb.md), however NLLB is incompatible with [`spec.api.externalAddress`](configuration.md#specapi).
 
@@ -542,4 +545,4 @@ TCP  192.168.122.200:6443 rr persistent 360
   In this example `192.168.122.200` is the virtual IP, and `192.168.122.185`, `192.168.122.87`
   and `192.168.122.122` are the control plane nodes.
 
-  All control plane nodes are expected to have the same output.
+  All control plane nodes are expected to have the same output.