Removed bin/glance's TTY detection.

Fixes bug 907906

The logic is sound: if location=XXX is specified, use that.
If it's not specified, use sys.stdin to read image data. No need to
error when location=XXX is specified and stdin just happens to be a TTY.

(cherry picked from commit 1571cd8)

Change-Id: I057312becad59b3dd7a71f94d25ebd032e1a7b52

bin/glance

@@ -241,13 +241,6 @@ EXAMPLES
         # Grab the image data stream from stdin or redirect,
         # otherwise error out
         image_data = sys.stdin
-    else:
-        # Ensure no image data has been given
-        if not sys.stdin.isatty():
-            print "Either supply a location=LOCATION argument or supply image "
-            print "data via a redirect. You have supplied BOTH image data "
-            print "AND a location."
-            return FAILURE
 
     # Add custom attributes, which are all the arguments remaining
     image_meta['properties'] = fields

glance/tests/functional/test_bin_glance.py

@@ -37,6 +37,92 @@ def setUp(self):
         # NoAuth strategy.
         os.environ['OS_AUTH_STRATEGY'] = 'noauth'
 
+    def test_add_with_location(self):
+        self.cleanup()
+        self.start_servers(**self.__dict__.copy())
+
+        api_port = self.api_port
+        registry_port = self.registry_port
+
+        # 0. Verify no public images
+        cmd = "bin/glance --port=%d index" % api_port
+
+        exitcode, out, err = execute(cmd)
+
+        self.assertEqual(0, exitcode)
+        self.assertEqual('', out.strip())
+
+        # 1. Add public image
+        cmd = "bin/glance --port=%d add is_public=True"\
+              " name=MyImage location=http://example.com" % api_port
+        exitcode, out, err = execute(cmd)
+
+        self.assertEqual(0, exitcode)
+        self.assertTrue(out.strip().startswith('Added new image with ID:'))
+
+        # 2. Verify image added as public image
+        cmd = "bin/glance --port=%d index" % api_port
+
+        exitcode, out, err = execute(cmd)
+
+        self.assertEqual(0, exitcode)
+        lines = out.split("\n")[2:-1]
+        self.assertEqual(1, len(lines))
+
+        line = lines[0]
+
+        image_id, name, disk_format, container_format, size = \
+            [c.strip() for c in line.split()]
+        self.assertEqual('MyImage', name)
+
+        self.assertEqual('0', size, "Expected image to be 0 bytes in size, "
+                                    "but got %s. " % size)
+
+    def test_add_with_location_and_stdin(self):
+        self.cleanup()
+        self.start_servers(**self.__dict__.copy())
+
+        api_port = self.api_port
+        registry_port = self.registry_port
+
+        # 0. Verify no public images
+        cmd = "bin/glance --port=%d index" % api_port
+
+        exitcode, out, err = execute(cmd)
+
+        self.assertEqual(0, exitcode)
+        self.assertEqual('', out.strip())
+
+        # 1. Add public image
+        with tempfile.NamedTemporaryFile() as image_file:
+            image_file.write("XXX")
+            image_file.flush()
+            file_name = image_file.name
+            cmd = "bin/glance --port=%d add is_public=True name=MyImage " \
+                  "location=http://example.com < %s" % (api_port, file_name)
+            exitcode, out, err = execute(cmd)
+
+        self.assertEqual(0, exitcode)
+        self.assertTrue(out.strip().startswith('Added new image with ID:'))
+
+        # 2. Verify image added as public image
+        cmd = "bin/glance --port=%d index" % api_port
+
+        exitcode, out, err = execute(cmd)
+
+        self.assertEqual(0, exitcode)
+        lines = out.split("\n")[2:-1]
+        self.assertEqual(1, len(lines))
+
+        line = lines[0]
+
+        image_id, name, disk_format, container_format, size = \
+            [c.strip() for c in line.split()]
+        self.assertEqual('MyImage', name)
+
+        self.assertEqual('0', size, "Expected image to be 0 bytes in size, "
+                                    "but got %s. " % size)
+
     def test_add_list_delete_list(self):
         """
         We test the following: