Add ApiClient for for inter-service comms

atst/api_client.py

@@ -0,0 +1,35 @@
+import requests
+import tornado.gen
+from concurrent.futures import ThreadPoolExecutor
+from tornado.httpclient import AsyncHTTPClient
+
+
+class ApiClient(object):
+
+    def __init__(self, base_url):
+        self.base_url = base_url
+        self.session = requests.Session()
+        self.executor = ThreadPoolExecutor()
+
+    @tornado.gen.coroutine
+    def get(self, path, **kwargs):
+        return (yield self.make_request('GET', self.base_url + path, **kwargs))
+
+    @tornado.gen.coroutine
+    def put(self, path, **kwargs):
+        return self.make_request('PUT', self.base_url + path, **kwargs)
+
+    @tornado.gen.coroutine
+    def post(self, path, **kwargs):
+        return self.make_request('POST', self.base_url + path, **kwargs)
+
+    @tornado.gen.coroutine
+    def delete(self, path, **kwargs):
+        return self.make_request('DELETE', self.base_url + path, **kwargs)
+
+    @tornado.gen.coroutine
+    def make_request(self, method, url, **kwargs):
+        def _make_request(_method, _url, **kwargs):
+            return requests.request(_method, _url, **kwargs)
+
+        return (yield self.executor.submit(_make_request, 'GET', url))

atst/app.py

@@ -1,16 +1,27 @@
+import os
+from configparser import ConfigParser
 import tornado.web
+from tornado.web import url
+
 from atst.handlers.main import MainHandler
 from atst.handlers.workspace import Workspace
 from atst.handlers.request import Request
 from atst.handlers.request_new import RequestNew
 from atst.home import home
-from tornado.web import url
+from atst.api_client import ApiClient
+
+
+def make_app(config):
+
+    authz_client = ApiClient(config['default']['AUTHZ_BASE_URL'])
 
-def make_app(**kwargs):
     app = tornado.web.Application([
             url( r"/",           MainHandler, {'page': 'login'},      name='login' ),
             url( r"/home",       MainHandler, {'page': 'home'},       name='home' ),
-            url( r"/workspaces", Workspace,   {'page': 'workspaces'}, name='workspaces' ),
+            url( r"/workspaces",
+                 Workspace,
+                 {'page': 'workspaces', 'authz_client': authz_client},
+                 name='workspaces'),
             url( r"/requests",   Request,     {'page': 'requests'},   name='requests' ),
             url( r"/requests/new",         RequestNew, {'page': 'requests_new'},   name='request_new' ),
             url( r"/requests/new/([0-9])", RequestNew, {'page': 'requests_new'},   name='request_form' ),
@@ -20,6 +31,23 @@ def make_app(**kwargs):
         ],
         template_path = home.child('templates'),
         static_path   = home.child('static'),
-        **kwargs
+        DEBUG=config['default']['DEBUG']
     )
     return app
+
+
+def make_config():
+    BASE_CONFIG_FILENAME = os.path.join(
+        os.path.dirname(__file__),
+        '../config/base.ini',
+    )
+    ENV_CONFIG_FILENAME = os.path.join(
+        os.path.dirname(__file__),
+        '../config/',
+        '{}.ini'.format(os.getenv('TORNADO_ENV', 'dev').lower())
+    )
+    config = ConfigParser()
+
+    # ENV_CONFIG will override values in BASE_CONFIG.
+    config.read([BASE_CONFIG_FILENAME, ENV_CONFIG_FILENAME])
+    return config

atst/handlers/workspace.py

@@ -1,19 +1,26 @@
 from atst.handler import BaseHandler
+import requests
+import tornado.gen
 
 mock_workspaces = [
-          {
-            'name' : 'Unclassified IaaS and PaaS for Defense Digital Service (DDS)',
-            'task_order' : {
-                'number' : 123456,
-            },
-            'user_count' : 23,
-          }
-        ]
+    {
+        'name' : 'Unclassified IaaS and PaaS for Defense Digital Service (DDS)',
+        'id': '5966187a-eff9-44c3-aa15-4de7a65ac7ff',
+        'task_order' : {
+            'number' : 123456,
+        },
+        'user_count' : 23,
+    }
+]
+
+session = requests.Session()
 
 class Workspace(BaseHandler):
 
-    def initialize(self, page):
+    def initialize(self, page, authz_client):
         self.page = page
+        self.authz_client = authz_client
 
+    @tornado.gen.coroutine
     def get(self):
         self.render( 'workspaces.html.to', page = self.page, workspaces = mock_workspaces )