BGPPeer docs: extend the secret password documentation
Adding more details on how to use the secret field of bgppeer to use a
secret as password.
@@ -68,7 +68,10 @@ type BGPPeerSpec struct {
// +optional
Password string `json:"password,omitempty"`
- // passwordSecret is name of the authentication secret for BGP Peer
+ // passwordSecret is name of the authentication secret for BGP Peer.
+ // the secret must be of type "kubernetes.io/basic-auth", and created in the
+ // same namespace as the MetalLB deployment. The password is stored in the
+ // secret as the key "password".
// +optional
PasswordSecret v1.SecretReference `json:"passwordSecret,omitempty"`
