Merging trunk

3 files changed, 46 insertions, 5 deletions

diff --git a/bin/nova-direct-api b/bin/nova-direct-api
index a2c9f1557..83ec72722 100755
--- a/bin/nova-direct-api
+++ b/bin/nova-direct-api
@@ -34,12 +34,14 @@ if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
 
 gettext.install('nova', unicode=1)
 
+from nova import compute
 from nova import flags
 from nova import log as logging
+from nova import network
 from nova import utils
+from nova import volume
 from nova import wsgi
 from nova.api import direct
-from nova.compute import api as compute_api
 
 
 FLAGS = flags.FLAGS
@@ -50,13 +52,42 @@ flags.DEFINE_flag(flags.HelpshortFlag())
 flags.DEFINE_flag(flags.HelpXMLFlag())
 
 
+# An example of an API that only exposes read-only methods.
+# In this case we're just limiting which methods are exposed.
+class ReadOnlyCompute(direct.Limited):
+    """Read-only Compute API."""
+
+    _allowed = ['get', 'get_all', 'get_console_output']
+
+
+# An example of an API that provides a backwards compatibility layer.
+# In this case we're overwriting the implementation to ensure
+# compatibility with an older version. In reality we would want the
+# "description=None" to be part of the actual API so that code
+# like this isn't even necessary, but this example shows what one can
+# do if that isn't the situation.
+class VolumeVersionOne(direct.Limited):
+    _allowed = ['create', 'delete', 'update', 'get']
+
+    def create(self, context, size, name):
+        self.proxy.create(context, size, name, description=None)
+
+
 if __name__ == '__main__':
     utils.default_flagfile()
     FLAGS(sys.argv)
     logging.setup()
 
-    direct.register_service('compute', compute_api.API())
+    direct.register_service('compute', compute.API())
+    direct.register_service('volume', volume.API())
+    direct.register_service('network', network.API())
     direct.register_service('reflect', direct.Reflection())
+
+    # Here is how we could expose the code in the examples above.
+    #direct.register_service('compute-readonly',
+    #                        ReadOnlyCompute(compute.API()))
+    #direct.register_service('volume-v1', VolumeVersionOne(volume.API()))
+
     router = direct.Router()
     with_json = direct.JsonParamsMiddleware(router)
     with_req = direct.PostParamsMiddleware(with_json)
diff --git a/bin/nova-manage b/bin/nova-manage
index 6712fbadb..cf0caf47e 100755
--- a/bin/nova-manage
+++ b/bin/nova-manage
@@ -611,7 +611,7 @@ class ServiceCommands(object):
         args: [host] [service]"""
         ctxt = context.get_admin_context()
         now = datetime.datetime.utcnow()
-        services = db.service_get_all(ctxt) + db.service_get_all(ctxt, True)
+        services = db.service_get_all(ctxt)
         if host:
             services = [s for s in services if s['host'] == host]
         if service:
diff --git a/bin/stack b/bin/stack
index 25caca06f..d84a82e27 100755
--- a/bin/stack
+++ b/bin/stack
@@ -59,11 +59,21 @@ USAGE = """usage: stack [options] <controller> <method> [arg1=value arg2=value]
 
 def format_help(d):
     """Format help text, keys are labels and values are descriptions."""
+    MAX_INDENT = 30
     indent = max([len(k) for k in d])
+    if indent > MAX_INDENT:
+        indent = MAX_INDENT - 6
+
     out = []
     for k, v in d.iteritems():
-        t = textwrap.TextWrapper(initial_indent='   %s   ' % k.ljust(indent),
-                                 subsequent_indent=' ' * (indent + 6))
+        if (len(k) + 6) > MAX_INDENT:
+            out.extend(['   %s' % k])
+            initial_indent = ' ' * (indent + 6)
+        else:
+            initial_indent = '   %s   ' % k.ljust(indent)
+        subsequent_indent = ' ' * (indent + 6)
+        t = textwrap.TextWrapper(initial_indent=initial_indent,
+                                 subsequent_indent=subsequent_indent)
         out.extend(t.wrap(v))
     return out