web: Add '/' API route

At present, navigating to '/api' will redirect you to '/status'. This
makes things a little less discoverable than they should be.
Documentation can solve a lot of problems here but simply returning
_something_ to let people know the API lives here is a good first step.

File permissions for the 'tests/unit/test_web.py' file are fixed.

Change-Id: I34b8890146db8adbf54f5b7e0c2fabb4ba819ec2

2 files changed, 41 insertions, 0 deletions

diff --git a/tests/unit/test_web.py b/tests/unit/test_web.py
index 211f7cb1d..58edc49f5 100755..100644
--- a/tests/unit/test_web.py
+++ b/tests/unit/test_web.py
@@ -91,6 +91,14 @@ class BaseTestWeb(ZuulTestCase):
 
 class TestWeb(BaseTestWeb):
 
+    def test_web_index(self):
+        "Test that we can retrieve the index page"
+        resp = self.get_url('api')
+        data = resp.json()
+        # no point checking the whole thing; just make sure _something_ we
+        # expect is here
+        self.assertIn('info', data)
+
     def test_web_status(self):
         "Test that we can retrieve JSON status info"
         self.add_base_changes()
diff --git a/zuul/web/__init__.py b/zuul/web/__init__.py
index f53358213..140d6f380 100755
--- a/zuul/web/__init__.py
+++ b/zuul/web/__init__.py
@@ -208,6 +208,37 @@ class ZuulWebAPI(object):
 
     @cherrypy.expose
     @cherrypy.tools.json_out(content_type='application/json; charset=utf-8')
+    def index(self):
+        return {
+            'info': '/api/info',
+            'connections': '/api/connections',
+            'tenants': '/api/tenants',
+            'tenant_info': '/api/tenant/{tenant}/info',
+            'status': '/api/tenant/{tenant}/status',
+            'status_change': '/api/tenant/{tenant}/status/change/{change}',
+            'jobs': '/api/tenant/{tenant}/jobs',
+            'job': '/api/tenant/{tenant}/job/{job_name}',
+            'projects': '/api/tenant/{tenant}/projects',
+            'project': '/api/tenant/{tenant}/project/{project:.*}',
+            'project_freeze_jobs': '/api/tenant/{tenant}/pipeline/{pipeline}/'
+                                   'project/{project:.*}/branch/{branch:.*}/'
+                                   'freeze-jobs',
+            'pipelines': '/api/tenant/{tenant}/pipelines',
+            'labels': '/api/tenant/{tenant}/labels',
+            'nodes': '/api/tenant/{tenant}/nodes',
+            'key': '/api/tenant/{tenant}/key/{project:.*}.pub',
+            'project_ssh_key': '/api/tenant/{tenant}/project-ssh-key/'
+                               '{project:.*}.pub',
+            'console_stream': '/api/tenant/{tenant}/console-stream',
+            'builds': '/api/tenant/{tenant}/builds',
+            'build': '/api/tenant/{tenant}/build/{uuid}',
+            'buildsets': '/api/tenant/{tenant}/buildsets',
+            'buildset': '/api/tenant/{tenant}/buildset/{uuid}',
+            'config_errors': '/api/tenant/{tenant}/config-errors',
+        }
+
+    @cherrypy.expose
+    @cherrypy.tools.json_out(content_type='application/json; charset=utf-8')
     def info(self):
         return self._handleInfo(self.zuulweb.info)
 
@@ -707,6 +738,8 @@ class ZuulWeb(object):
 
         route_map = cherrypy.dispatch.RoutesDispatcher()
         api = ZuulWebAPI(self)
+        route_map.connect('api', '/api',
+                          controller=api, action='index')
         route_map.connect('api', '/api/info',
                           controller=api, action='info')
         route_map.connect('api', '/api/connections',