--tls-disabled not working (creation fails)

[Alexander Chumakov]

Magnum installed by official Ubuntu guide https://docs.openstack.org/project-install-guide/container-infrastructure-management/ocata/ on Ubuntu 16.04

Updated 1 July to latest repo's versions.

$ magnum --version
2.5.0

$ magnum cluster-template-create \
--image coreos_2017-07-05 \
--keypair osfleet \
--external-network provider \
--flavor k8s-node \
--master-flavor k8s-master \
--docker-volume-size 32 \
--network-driver flannel \
--coe kubernetes \
--volume-driver cinder \
--tls-disabled \
--name k8s-cluster-template

$ magnum cluster-create --name k8s-cluster --cluster-template k8s-cluster-template --node-count 4 --master-count 1

In master node hyperkube apiserver can not start without certs

== in master node ==

k8-hhbxhlb4q7-0-yinsxtr6tabv-kube-master-r6r5w6el4ksq / # docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6bb56b150ba5 quay.io/coreos/hyperkube:v1.5.2_coreos.1 "/hyperkube apiserver" 2 minutes ago Exited (255) 2 minutes ago k8s_kube-apiserver.53fe0b3_kube-apiserver-10.0.0.9_kube-system_39cb4981b23ae22f9f069ddced425670_9fe2c5da
808ef3462c44 gcr.io/google_containers/pause-amd64:3.0 "/pause" 16 minutes ago Up 16 minutes k8s_POD.d8dbe16c_kube-apiserver-10.0.0.9_kube-system_39cb4981b23ae22f9f069ddced425670_002458d1

k8-hhbxhlb4q7-0-yinsxtr6tabv-kube-master-r6r5w6el4ksq / # docker logs 6bb56b150ba5
I0706 12:28:19.565429 1 config.go:498] Will report 10.0.0.9 as public IP address.
F0706 12:28:19.567148 1 server.go:244] Invalid Authentication Config: open : no such file or directory

Without --tls-disabled it works