Merge pull request #313 from bengland2/local_time_server

use local time server when possible

bootstrap.yml

@@ -70,3 +70,20 @@
         vars:
           lab_vars: "{{ (lab_name == 'scale') | ternary(scale, alias) }}"
         when: lab_name in ['scale', 'alias'] and virtual_uc != true
+
+      # use of a local time server is essential or at least a good idea for Ceph, Kerberos, Redis,
+      # maybe Kubernetes, and other components sensitive to server time skew
+
+      - name: default to corporate time server if lab not recognized
+        set_fact:
+          time_servers: ["clock.redhat.com", "clock2.redhat.com"]
+
+      - name: use bos.redhat.com time servers for Alias lab in Westford
+        set_fact:
+          time_servers: ["clock1.bos.redhat.com", "clock2.bos.redhat.com"]
+        when: lab_name == "alias"
+
+      - name: use rdu2.redhat.com time servers for Scale Lab in Raleigh NC USA
+        set_fact:
+          time_servers: ["clock1.rdu2.redhat.com"]
+        when: lab_name == "scale"

templates/undercloud.conf.j2

@@ -1,7 +1,7 @@
 [DEFAULT]
 local_interface = {{ undercloud_local_interface }}
 local_ip = {{ gateway }}/{{ subnet_mask }}
-undercloud_ntp_servers = clock.redhat.com,clock2.redhat.com
+undercloud_ntp_servers = {{ time_servers | join(",") }}
 {% if clean_nodes %}
 clean_nodes = True
 {% endif %}