[2172] only use 'distro' value on linux

src/lib/python/isc/sysinfo/sysinfo.py

@@ -36,16 +36,20 @@ class SysInfo:
         self._loadavg = None
         self._mem_total = None
         self._mem_free = None
-        self._mem_cached = None
-        self._mem_buffers = None
         self._mem_swap_total = None
         self._mem_swap_free = None
-        self._platform_distro = 'Unknown'
         self._net_interfaces = 'Unknown\n'
         self._net_routing_table = 'Unknown\n'
         self._net_stats = 'Unknown\n'
         self._net_connections = 'Unknown\n'
 
+        # The following are Linux speicific, and should eventually be removed
+        # from this level; for now we simply default to None (so they won't
+        # be printed)
+        self._platform_distro = None
+        self._mem_cached = None
+        self._mem_buffers = None
+
     def get_num_processors(self):
         """Returns the number of processors. This is the number of
         hyperthreads when hyper-threading is enabled.
@@ -77,7 +81,12 @@ class SysInfo:
         return self._platform_is_smp
 
     def get_platform_distro(self):
-        """Returns the name of the OS distribution in use."""
+        """Returns the name of the OS distribution in use.
+
+        Note: the concept of 'distribution' is Linux specific.  This shouldn't
+        be at this level.
+
+        """
         return self._platform_distro
 
     def get_uptime(self):
@@ -276,8 +285,6 @@ class SysInfoBSD(SysInfoPOSIX):
         except (subprocess.CalledProcessError, OSError):
             pass
 
-        self._platform_distro = self._platform_name + ' ' + self._platform_version
-
         try:
             s = subprocess.check_output(['ifconfig'])
             self._net_interfaces = s.decode('utf-8')

src/lib/python/isc/sysinfo/tests/sysinfo_test.py

@@ -261,7 +261,7 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual(None, s.get_mem_buffers())
         self.assertEqual(None, s.get_mem_swap_total())
         self.assertEqual(None, s.get_mem_swap_free())
-        self.assertEqual('Unknown', s.get_platform_distro())
+        self.assertEqual(None, s.get_platform_distro())
         self.assertEqual('Unknown\n', s.get_net_interfaces())
         self.assertEqual('Unknown\n', s.get_net_routing_table())
         self.assertEqual('Unknown\n', s.get_net_stats())
@@ -290,7 +290,7 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual(None, s.get_mem_buffers())
         self.assertEqual(None, s.get_mem_swap_total())
         self.assertEqual(None, s.get_mem_swap_free())
-        self.assertEqual('Unknown', s.get_platform_distro())
+        self.assertEqual(None, s.get_platform_distro())
         self.assertEqual('Unknown\n', s.get_net_interfaces())
         self.assertEqual('Unknown\n', s.get_net_routing_table())
         self.assertEqual('Unknown\n', s.get_net_stats())
@@ -338,6 +338,7 @@ class SysInfoTest(unittest.TestCase):
         self.assertLess(abs(76632 - s.get_uptime()), 4)
         self.assertEqual(None, s.get_mem_cached())
         self.assertEqual(None, s.get_mem_buffers())
+        self.assertEqual(None, s.get_platform_distro())
 
         # These test that the corresponding tools are being called (and
         # no further processing is done on this data). Please see the
@@ -371,13 +372,6 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual(566791168, s.get_mem_swap_total())
         self.assertEqual(566789120, s.get_mem_swap_free())
 
-        # Try new regex assertion (which replaced the deprecated
-        # assertRegexpMatches. If it is not available, use the old one
-        try:
-            self.assertRegex(s.get_platform_distro(), '^OpenBSD\s+.*')
-        except AttributeError:
-            self.assertRegexpMatches(s.get_platform_distro(), '^OpenBSD\s+.*')
-
     def test_sysinfo_freebsd(self):
         """Tests the FreeBSD implementation of SysInfo. Note that this
         tests deep into the implementation, and not just the
@@ -401,12 +395,6 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual(543214321 - (343434 * 1024), s.get_mem_free())
         self.assertEqual(1037533184, s.get_mem_swap_total())
         self.assertEqual(1037533184, s.get_mem_swap_free())
-        # Try new regex assertion (which replaced the deprecated
-        # assertRegexpMatches. If it is not available, use the old one
-        try:
-            self.assertRegex(s.get_platform_distro(), '^FreeBSD\s+.*')
-        except AttributeError:
-            self.assertRegexpMatches(s.get_platform_distro(), '^FreeBSD\s+.*')
 
     def test_sysinfo_osx(self):
         """Tests the OS X implementation of SysInfo. Note that this
@@ -431,12 +419,6 @@ class SysInfoTest(unittest.TestCase):
         self.assertEqual((23456 * 4096), s.get_mem_free())
         self.assertEqual(18874368.0, s.get_mem_swap_total())
         self.assertEqual(1075988.48, s.get_mem_swap_free())
-        # Try new regex assertion (which replaced the deprecated
-        # assertRegexpMatches. If it is not available, use the old one
-        try:
-            self.assertRegex(s.get_platform_distro(), '^Darwin\s+.*')
-        except AttributeError:
-            self.assertRegexpMatches(s.get_platform_distro(), '^Darwin\s+.*')
 
 if __name__ == "__main__":
     unittest.main()