a-o-i: Allow better setting of host level variables

Allow the user to set arbitrary variables directly under the host item instead of
in under an 'other_variables' item.

utils/src/ooinstall/oo_config.py

@@ -26,6 +26,19 @@ DEPLOYMENT_VARIABLES_BLACKLIST = [
     'roles',
 ]
 
+HOST_VARIABLES_BLACKLIST = [
+    'ip',
+    'public_ip',
+    'hostname',
+    'public_hostname',
+    'node_labels',
+    'containerized',
+    'preconfigured',
+    'schedulable',
+    'other_variables',
+    'roles',
+]
+
 DEFAULT_REQUIRED_FACTS = ['ip', 'public_ip', 'hostname', 'public_hostname']
 PRECONFIGURED_REQUIRED_FACTS = ['hostname', 'public_hostname']
 
@@ -66,7 +79,7 @@ class Host(object):
         self.containerized = kwargs.get('containerized', False)
         self.node_labels = kwargs.get('node_labels', '')
 
-        # allowable roles: master, node, etcd, storage, master_lb, new
+        # allowable roles: master, node, etcd, storage, master_lb
         self.roles = kwargs.get('roles', [])
 
         self.other_variables = kwargs.get('other_variables', {})
@@ -86,11 +99,13 @@ class Host(object):
         d = {}
 
         for prop in ['ip', 'hostname', 'public_ip', 'public_hostname', 'connect_to',
-                     'preconfigured', 'containerized', 'schedulable', 'roles', 'node_labels',
-                     'other_variables']:
+                     'preconfigured', 'containerized', 'schedulable', 'roles', 'node_labels', ]:
             # If the property is defined (not None or False), export it:
             if getattr(self, prop):
                 d[prop] = getattr(self, prop)
+        for variable, value in self.other_variables.iteritems():
+            d[variable] = value
+
         return d
 
     def is_master(self):
@@ -202,7 +217,6 @@ class OOConfig(object):
                     role_list = loaded_config['deployment']['roles']
                 except KeyError as e:
                     print_read_config_error("No such key: {}".format(e), self.config_path)
-                    print "Error loading config, required key missing: {}".format(e)
                     sys.exit(0)
 
                 for setting in CONFIG_PERSIST_SETTINGS:
@@ -237,6 +251,10 @@ class OOConfig(object):
 
                 # Parse the hosts into DTO objects:
                 for host in host_list:
+                    host['other_variables'] = {}
+                    for variable, value in host.iteritems():
+                        if variable not in HOST_VARIABLES_BLACKLIST:
+                            host['other_variables'][variable] = value
                     self.deployment.hosts.append(Host(**host))
 
                 # Parse the roles into Objects

utils/src/ooinstall/openshift_ansible.py

@@ -31,6 +31,15 @@ VARIABLES_MAP = {
     'proxy_exclude_hosts': 'openshift_no_proxy',
 }
 
+HOST_VARIABLES_MAP = {
+    'ip': 'openshift_ip',
+    'public_ip': 'openshift_public_ip',
+    'hostname': 'openshift_hostname',
+    'public_hostname': 'openshift_public_hostname',
+    'node_labels': 'openshift_node_labels',
+    'containerized': 'containerized',
+}
+
 
 def set_config(cfg):
     global CFG
@@ -176,7 +185,6 @@ def write_proxy_settings(base_inventory):
         pass
 
 
-# pylint: disable=too-many-branches
 def write_host(host, role, inventory, schedulable=None):
     global CFG
 
@@ -184,22 +192,13 @@ def write_host(host, role, inventory, schedulable=None):
         return
 
     facts = ''
-    if host.ip:
-        facts += ' openshift_ip={}'.format(host.ip)
-    if host.public_ip:
-        facts += ' openshift_public_ip={}'.format(host.public_ip)
-    if host.hostname:
-        facts += ' openshift_hostname={}'.format(host.hostname)
-    if host.public_hostname:
-        facts += ' openshift_public_hostname={}'.format(host.public_hostname)
-    if host.containerized:
-        facts += ' containerized={}'.format(host.containerized)
+    for prop in HOST_VARIABLES_MAP:
+        if getattr(host, prop):
+            facts += ' {}={}'.format(HOST_VARIABLES_MAP.get(prop), getattr(host, prop))
+
     if host.other_variables:
         for variable, value in host.other_variables.iteritems():
             facts += " {}={}".format(variable, value)
-    if host.node_labels:
-        if role == 'node':
-            facts += ' openshift_node_labels="{}"'.format(host.node_labels)
 
     # Distinguish between three states, no schedulability specified (use default),
     # explicitly set to True, or explicitly set to False: