kubernets master node can not access http://controller (from manual)

[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 \
--name k8s-cluster-template

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

(inside master node)
k8-q4etl26yyv-0-kuwjxjtl744v-kube-master-gnwptj7humfr core # cat /tmp/heat-params
...
export MAGNUM_URL="http://controller:9511/v1"
...
export WAIT_CURL="curl -i -X POST -H 'X-Auth-Token: gAAAAABZXi6F_fUd7oivY_aFMRd2v3a3UuyD9w7nald71wuf26udVD78dK1QmL0f3xaHyi07ijB_KELOxkkf92kZC0YBHIgwICLuxf1CIIuEc2fmLyu6DoxT7ClMFTjtJDUI4NlLk0eqBq9_ngf6t6U7va7R8NtL1tBIODk3BLEXO2pAo8oKVjo' -H 'Content-Type: application/json' -H 'Accept: application/json' http://192.168.72.51:8004/v1/4088af73b3394724a407b8c3b8338560/stacks/k8s-cluster-qwezfvwyfjx7-kube_masters-kpq4etl26yyv-0-kuwjxjtl744v/13fafdc4-6ccb-4917-baf5-cbaf3085e117/resources/master_wait_handle/signal"
...
export AUTH_URL="http://controller:5000/v3"
...

== Possible fix ==
$ openstack endpoint set --url http://192.168.72.51:5000/v3/ b77fef3ecd0049948d06615578232d34
$ openstack endpoint set --url http://192.168.72.51:9511/v1 79948f338d974ff197af38f0ebdb5bf9

# vim /etc/magnum/magnum.conf
...
host = 0.0.0.0
...
auth_uri = http://192.168.72.51:5000/v3

[Spyros Trigazis (strigazi)]

As per documentation you need to register the endpoint using the CONTROLLER_IP or a dns name that the vms can find route to.

http://git.openstack.org/cgit/openstack/magnum/tree/install-guide/source/common/prerequisites.rst?h=stable%2Focata#n141

Please check this note too:
http://git.openstack.org/cgit/openstack/magnum/tree/install-guide/source/install.rst?h=stable/ocata#n41

I need to update it to mention that, keystone, nova, heat and magnum must be reachable from the vms.

[Alexander Chumakov (delfer)]

Thank you.
Yes, I think it is problem in Ubuntu Guide: https://docs.openstack.org/ocata/install-guide-ubuntu/keystone-openrc.html

export OS_AUTH_URL=http://controller:35357/v3