Set network facts using first master's config during scaleup.

playbooks/common/openshift-master/scaleup.yml

@@ -43,6 +43,8 @@
     delay: 1
     changed_when: false
 
+- include: ../openshift-master/set_network_facts.yml
+
 - include: ../openshift-master/config.yml
 
 - include: ../openshift-loadbalancer/config.yml

playbooks/common/openshift-master/set_network_facts.yml

@@ -0,0 +1,28 @@
+---
+- name: Read first master\'s config
+  hosts: oo_first_master
+  gather_facts: no
+  tasks:
+  - stat:
+      path: "{{ openshift.common.config_base }}/master/master-config.yaml"
+    register: g_master_config_stat
+  - slurp:
+      src: "{{ openshift.common.config_base }}/master/master-config.yaml"
+    register: g_master_config_slurp
+
+- name: Set network facts for masters
+  hosts: oo_masters_to_config
+  gather_facts: no
+  tasks:
+  - block:
+    - set_fact:
+        osm_cluster_network_cidr: "{{ (hostvars[groups.oo_first_master.0].g_master_config_slurp.content|b64decode|from_yaml).networkConfig.clusterNetworkCIDR }}"
+      when: osm_cluster_network_cidr is not defined
+    - set_fact:
+        osm_host_subnet_length: "{{ (hostvars[groups.oo_first_master.0].g_master_config_slurp.content|b64decode|from_yaml).networkConfig.hostSubnetLength }}"
+      when: osm_host_subnet_length is not defined
+    - set_fact:
+        openshift_portal_net: "{{ (hostvars[groups.oo_first_master.0].g_master_config_slurp.content|b64decode|from_yaml).networkConfig.serviceNetworkCIDR }}"
+      when: openshift_portal_net is not defined
+    when:
+    - hostvars[groups.oo_first_master.0].g_master_config_stat.stat.exists | bool

roles/openshift_sanitize_inventory/tasks/main.yml

@@ -12,27 +12,6 @@
       deployment_type is deprecated in favor of openshift_deployment_type.
       Please specify only openshift_deployment_type, or make both the same.
 
-# osm_cluster_network_cidr, osm_host_subnet_length and openshift_portal_net are
-# now required to avoid changes that may occur between releases
-#
-# Note: We will skip these checks when some tests run which don't
-# actually do any insalling/upgrading/scaling/etc..
-# Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1451023
-- when:
-    - not testing_skip_some_requirements|default(False)|bool
-  assert:
-    that:
-      - "osm_cluster_network_cidr is defined"
-      - "osm_host_subnet_length is defined"
-      - "openshift_portal_net is defined"
-    msg: >
-      osm_cluster_network_cidr, osm_host_subnet_length, and openshift_portal_net are required inventory
-      variables. If you are upgrading or scaling up these variables should match what is currently used
-      in the cluster. If you don't remember what these values are you can find them in
-      /etc/origin/master/master-config.yaml on a master with the names clusterNetworkCIDR
-      (osm_cluster_network_cidr), hostSubnetLength (osm_host_subnet_length),
-      and serviceNetworkCIDR (openshift_portal_net).
-
 - name: Standardize on latest variable names
   set_fact:
     # goal is to deprecate deployment_type in favor of openshift_deployment_type.