From 97c99ad8582370803e2841b07985260886614eb2 Mon Sep 17 00:00:00 2001
From: tzumainn <tzumainn@redhat.com>
Date: Wed, 6 Sep 2017 09:36:09 -0400
Subject: Point openshift_master_cluster_public_hostname at master or lb if
 defined (#706)

* Point openshift_master_cluster_public_hostname at master or load balancer if specified

* cleanup

* remove extraneous brackets

* corrections

* added doc section

* add private records
---
 playbooks/provisioning/openstack/README.md |  9 +++++++++
 roles/dns-records/tasks/main.yml           | 28 ++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/playbooks/provisioning/openstack/README.md b/playbooks/provisioning/openstack/README.md
index 4e74627dc..8b9a37537 100644
--- a/playbooks/provisioning/openstack/README.md
+++ b/playbooks/provisioning/openstack/README.md
@@ -295,6 +295,15 @@ variables for the `inventory/group_vars/OSEv3.yml`, `all.yml`:
     deployment_type: origin
     openshift_deployment_type: "{{ deployment_type }}"
 
+#### Setting a custom entrypoint
+
+In order to set a custom entrypoint, update `openshift_master_cluster_public_hostname`
+
+    openshift_master_cluster_public_hostname: api.openshift.example.com
+
+Note than an empty hostname does not work, so if your domain is `openshift.example.com`,
+you cannot set this value to simply `openshift.example.com`.
+
 ### Configure static inventory and access via a bastion node
 
 Example inventory variables:
diff --git a/roles/dns-records/tasks/main.yml b/roles/dns-records/tasks/main.yml
index e9bce9718..305a55195 100644
--- a/roles/dns-records/tasks/main.yml
+++ b/roles/dns-records/tasks/main.yml
@@ -9,6 +9,20 @@
     private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': '*.' + openshift_app_domain, 'ip': hostvars[item]['private_v4'] } ] }}"
   with_items: "{{ groups['infra_hosts'] }}"
 
+- name: "Add public master cluster hostname records to the private A records (single master)"
+  set_fact:
+    private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.masters[0]].private_v4 } ] }}"
+  when:
+    - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+    - openstack_num_masters == 1
+
+- name: "Add public master cluster hostname records to the private A records (multi-master)"
+  set_fact:
+    private_records: "{{ private_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.lb[0]].private_v4 } ] }}"
+  when:
+    - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+    - openstack_num_masters > 1
+
 - name: "Set the private DNS server to use the external value (if provided)"
   set_fact:
     nsupdate_server_private: "{{ external_nsupdate_keys['private']['server'] }}"
@@ -50,6 +64,20 @@
   with_items: "{{ groups['infra_hosts'] }}"
   when: hostvars[item]['public_v4'] is defined
 
+- name: "Add public master cluster hostname records to the public A records (single master)"
+  set_fact:
+    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.masters[0]].public_v4 } ] }}"
+  when:
+    - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+    - openstack_num_masters == 1
+
+- name: "Add public master cluster hostname records to the public A records (multi-master)"
+  set_fact:
+    public_records: "{{ public_records | default([]) + [ { 'type': 'A', 'hostname': (hostvars[groups.masters[0]].openshift_master_cluster_public_hostname | replace(full_dns_domain, ''))[:-1], 'ip': hostvars[groups.lb[0]].public_v4 } ] }}"
+  when:
+    - hostvars[groups.masters[0]].openshift_master_cluster_public_hostname is defined
+    - openstack_num_masters > 1
+
 - name: "Set the public DNS server details to use the external value (if provided)"
   set_fact:
     nsupdate_server_public: "{{ external_nsupdate_keys['public']['server'] }}"
-- 
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