Retrieve the swift version with recon

Adding a '/recon/version' in order to get the swift version

Change-Id: I7b7ddbe70abb87c6a3b1010ddefa09d0acc09710

swift/common/middleware/recon.py

@@ -16,6 +16,7 @@
 import errno
 import os
 
+from swift import __version__ as swiftver
 from swift.common.swob import Request, Response
 from swift.common.utils import get_logger, config_true_value, json
 from swift.common.constraints import check_mount
@@ -77,6 +78,11 @@ class ReconMiddleware(object):
             self.logger.exception(_('Error retrieving recon data'))
         return dict((key, None) for key in cache_keys)
 
+    def get_version(self):
+        """get swift version"""
+        verinfo = {'version': swiftver}
+        return verinfo
+
     def get_mounted(self, openr=open):
         """get ALL mounted fs from /proc/mounts"""
         mounts = []
@@ -305,6 +311,8 @@ class ReconMiddleware(object):
             content = self.get_quarantine_count()
         elif rcheck == "sockstat":
             content = self.get_socket_info()
+        elif rcheck == "version":
+            content = self.get_version()
         else:
             content = "Invalid path: %s" % req.path
             return Response(request=req, status="404 Not Found",

test/unit/common/middleware/test_recon.py

@@ -20,8 +20,10 @@ from posix import stat_result, statvfs_result
 import os
 
 import swift.common.constraints
+from swift import __version__ as swiftver
 from swift.common.swob import Request
 from swift.common.middleware import recon
+from swift.common.utils import json
 
 
 class FakeApp(object):
@@ -652,6 +654,11 @@ class TestReconMiddleware(unittest.TestCase):
         resp = self.app(req.environ, start_response)
         self.assertEquals(resp, get_mem_resp)
 
+    def test_recon_get_version(self):
+        req = Request.blank('/recon/version', environ={'REQUEST_METHOD': 'GET'})
+        resp = self.app(req.environ, start_response)
+        self.assertEquals(resp, [json.dumps({'version': swiftver})])
+
     def test_recon_get_load(self):
         get_load_resp = ['{"loadtest": "1"}']
         req = Request.blank('/recon/load', environ={'REQUEST_METHOD': 'GET'})