Add configs map for nodes

Now node definition can contain configs map,
which will add new configs especially for this node
or override current globals for the node.

Change-Id: I4de6a0fad94d5f83ca486c952d80d1c87c880c0e
Related-bug: #1653077

fuel_ccp/deploy.py

@@ -323,6 +323,16 @@ def _create_globals_configmap(config):
     return kubernetes.process_object(cm)
 
 
+def _create_nodes_configmap(nodes):
+    nodes_config = config._yaml.AttrDict()
+    for node in sorted(nodes):
+        if 'configs' in nodes[node]:
+            nodes_config[node] = nodes[node]['configs']
+    data = {templates.NODES_CONFIG: nodes_config._json(sort_keys=True)}
+    cm = templates.serialize_configmap(templates.NODES_CONFIG, data)
+    return kubernetes.process_object(cm)
+
+
 def get_start_script():
     start_scr_path = os.path.join(CONF.repositories.path,
                                   CONF.repositories.entrypoint_repo_name,
@@ -586,6 +596,7 @@ def deploy_components(components_map, components):
 
     _create_namespace(CONF.configs)
     _create_globals_configmap(CONF.configs)
+    _create_nodes_configmap(CONF.nodes)
     start_script_cm = create_start_script_configmap()
 
     # load exported j2 templates, which can be used across all repositories

fuel_ccp/templates.py

@@ -7,6 +7,7 @@ from fuel_ccp.config import images
 CONF = config.CONF
 
 GLOBAL_CONFIG = "globals"
+NODES_CONFIG = "nodes-config"
 SCRIPT_CONFIG = "start-script"
 FILES_CONFIG = "files"
 META_CONFIG = "meta"
@@ -76,6 +77,10 @@ def serialize_volume_mounts(container, for_job=None):
         {
             "name": FILES_CONFIG,
             "mountPath": "/etc/ccp/%s" % FILES_CONFIG
+        },
+        {
+            "name": NODES_CONFIG,
+            "mountPath": "/etc/ccp/%s" % NODES_CONFIG
         }
     ]
     for v in itertools.chain(container.get("volumes", ()),
@@ -276,10 +281,18 @@ def serialize_volumes(service, for_job=None):
                 "name": EXPORTS_CONFIG,
                 "items": exports_items
             }
+        },
+        {
+            "name": NODES_CONFIG,
+            "configMap": {
+                "name": NODES_CONFIG,
+                "items": [{"key": NODES_CONFIG,
+                           "path": "nodes-config.json"}]
+            }
         }
     ]
     volume_names = [GLOBAL_CONFIG, META_CONFIG, ROLE_CONFIG, SCRIPT_CONFIG,
-                    FILES_CONFIG, EXPORTS_CONFIG]
+                    FILES_CONFIG, EXPORTS_CONFIG, NODES_CONFIG]
     for cont in itertools.chain(service["containers"], [for_job]):
         for v in cont.get("volumes", ()):
             if v["name"] in volume_names:

fuel_ccp/tests/test_templates.py

@@ -44,7 +44,8 @@ class TestDeploy(base.TestCase):
                 {'mountPath': '/opt/ccp_start_script/bin',
                  'name': 'start-script'},
                 {'mountPath': '/etc/ccp/exports', 'name': 'exports'},
-                {'mountPath': '/etc/ccp/files', 'name': 'files'}
+                {'mountPath': '/etc/ccp/files', 'name': 'files'},
+                {'mountPath': '/etc/ccp/nodes-config', 'name': 'nodes-config'}
             ],
             "readinessProbe": {
                 "exec": {