Adding 'ccp domains list' command

This command will print list of Ingress domains
that need to be resolved in order to make Ingress work

Change-Id: Ie7599d2833fb34facdc66f008fe615a03abd2f33

fuel_ccp/cli.py

@@ -225,6 +225,22 @@ class ImagesList(BaseCommand, lister.Lister):
         )
 
 
+class DomainsList(BaseCommand, lister.Lister):
+    """Get Ingress domains that will be used for external access"""
+
+    def get_parser(self, *args, **kwargs):
+        parser = super(DomainsList, self).get_parser(*args, **kwargs)
+        parser.add_argument('components',
+                            nargs='*',
+                            help='CCP components to get domains for')
+        return parser
+
+    def take_action(self, parsed_args):
+        config.load_component_defaults()
+        domains_list = utils.get_ingress_domains(parsed_args.components)
+        return ('Ingress Domain',), zip(domains_list)
+
+
 def signal_handler(signo, frame):
     sys.exit(-signo)
 

fuel_ccp/common/utils.py

@@ -20,6 +20,18 @@ def get_ingress_host(ingress_name):
         ingress_name, CONF.kubernetes.namespace, CONF.configs.ingress.domain))
 
 
+def get_ingress_domains(components=None):
+    components_map = get_deploy_components_info()
+    components = components or components_map.keys()
+    domains = []
+    for component in components:
+        service = components_map[component]["service_content"]["service"]
+        for port in service.get("ports", []):
+            if port.get("ingress"):
+                domains.append(get_ingress_host(port.get("ingress")))
+    return domains
+
+
 def get_resource_path(path):
     return pkg_resources.resource_filename(fuel_ccp.version_info.package, path)
 

setup.cfg

@@ -36,6 +36,7 @@ ccp.cli =
     validate = fuel_ccp.cli:Validate
     config_dump = fuel_ccp.cli:ConfigDump
     images_list = fuel_ccp.cli:ImagesList
+    domains_list = fuel_ccp.cli:DomainsList
 
 [build_sphinx]
 source-dir = doc/source