Update etcd default facts setting

playbooks/common/openshift-cluster/upgrades/v3_0_to_v3_1/upgrade.yml

@@ -90,6 +90,7 @@
   roles:
   - openshift_facts
   tasks:
+  # Ensure we persist the etcd role for this host in openshift_facts
   - openshift_facts:
       role: etcd
       local_facts: {}

playbooks/common/openshift-master/config.yml

@@ -51,9 +51,6 @@
           console_url: "{{ openshift_master_console_url | default(None) }}"
           console_use_ssl: "{{ openshift_master_console_use_ssl | default(None) }}"
           public_console_url: "{{ openshift_master_public_console_url | default(None) }}"
-      - role: etcd
-        local_facts: {}
-        when: openshift.master.embedded_etcd | bool
   - name: Check status of external etcd certificatees
     stat:
       path: "{{ openshift.common.config_base }}/master/{{ item }}"

roles/openshift_facts/library/openshift_facts.py

@@ -560,8 +560,10 @@ def set_etcd_facts_if_unset(facts):
 
     If anything goes wrong parsing these, the fact will not be set.
     """
-    if 'etcd' in facts:
-        if 'master' in facts and facts['master']['embedded_etcd']:
+    if 'master' in facts and facts['master']['embedded_etcd']:
+        etcd_facts = facts['etcd'] if 'etcd' in facts else dict()
+
+        if 'etcd_data_dir' not in etcd_facts:
             try:
                 # Parse master config to find actual etcd data dir:
                 master_cfg_path = os.path.join(facts['common']['config_base'],
@@ -570,28 +572,37 @@ def set_etcd_facts_if_unset(facts):
                 config = yaml.safe_load(master_cfg_f.read())
                 master_cfg_f.close()
 
-                facts['etcd']['etcd_data_dir'] = \
+                etcd_facts['etcd_data_dir'] = \
                     config['etcdConfig']['storageDirectory']
+
+                facts['etcd'] = etcd_facts
+
             # We don't want exceptions bubbling up here:
             # pylint: disable=broad-except
             except Exception:
                 pass
-        else:
-            # Read ETCD_DATA_DIR from /etc/etcd/etcd.conf:
-            try:
-                # Add a fake section for parsing:
-                ini_str = '[root]\n' + open('/etc/etcd/etcd.conf', 'r').read()
-                ini_fp = StringIO.StringIO(ini_str)
-                config = ConfigParser.RawConfigParser()
-                config.readfp(ini_fp)
-                etcd_data_dir = config.get('root', 'ETCD_DATA_DIR')
-                if etcd_data_dir.startswith('"') and etcd_data_dir.endswith('"'):
-                    etcd_data_dir = etcd_data_dir[1:-1]
-                facts['etcd']['etcd_data_dir'] = etcd_data_dir
-            # We don't want exceptions bubbling up here:
-            # pylint: disable=broad-except
-            except Exception:
-                pass
+    else:
+        etcd_facts = facts['etcd'] if 'etcd' in facts else dict()
+
+        # Read ETCD_DATA_DIR from /etc/etcd/etcd.conf:
+        try:
+            # Add a fake section for parsing:
+            ini_str = '[root]\n' + open('/etc/etcd/etcd.conf', 'r').read()
+            ini_fp = StringIO.StringIO(ini_str)
+            config = ConfigParser.RawConfigParser()
+            config.readfp(ini_fp)
+            etcd_data_dir = config.get('root', 'ETCD_DATA_DIR')
+            if etcd_data_dir.startswith('"') and etcd_data_dir.endswith('"'):
+                etcd_data_dir = etcd_data_dir[1:-1]
+
+            etcd_facts['etcd_data_dir'] = etcd_data_dir
+            facts['etcd'] = etcd_facts
+
+        # We don't want exceptions bubbling up here:
+        # pylint: disable=broad-except
+        except Exception:
+            pass
+
     return facts
 
 def set_deployment_facts_if_unset(facts):