Include short hostname for masters
The short hostname for masters was not being set, as it was for both
the admin node, and worker nodes
Fixes bsc#1057794
{%- else %}
{%- set ip = addrlist|first %}
{%- endif %}
-{{ ip }} {{ master_id }}.{{ pillar['internal_infra_domain'] }} {{ pillar['api']['server']['external_fqdn'] }}
+{{ ip }} {{ master_id }} {{ master_id }}.{{ pillar['internal_infra_domain'] }} {{ pillar['api']['server']['external_fqdn'] }}
{%- endfor %}
### kubernetes workers ###
