Merge pull request #50 from lemoney/support/catch-permission-denied-i…

…n-config

Fixed rtd Bug

docs/conf.py

@@ -67,9 +67,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'2.0.0'
+version = u'2.0'
 # The full version, including alpha/beta/rc tags.
-release = u'2.0.0'
+release = u'2.0.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

setup.py

@@ -4,7 +4,7 @@
 
 setup(
     name='tgt_grease',
-    version='2.0.0',
+    version='2.0.1',
     license="MIT",
     description='GRE Application Service Engine',
     long_description="""

tgt_grease/core/Configuration.py

@@ -39,10 +39,8 @@ class Configuration(object):
     greaseConfigFile = greaseDir + "grease.conf.json"
 
     if os.path.isfile(greaseDir + 'grease.identity'):
-        fil = open(greaseDir + 'grease.identity')
-        NodeIdentity = fil.read().rstrip()
-        fil.close()
-        del fil
+        with open(greaseDir + 'grease.identity', 'r') as fil:
+            NodeIdentity = fil.read().rstrip()
     else:
         NodeIdentity = "Unknown"
 
@@ -74,9 +72,19 @@ def ReloadConfig(ConfigFile=None):
             # load defaults
             GREASE_CONFIG = Configuration.DefaultConfig()
             # write config to disk
-            fil = open(Configuration.greaseConfigFile, 'w')
-            fil.write(json.dumps(GREASE_CONFIG, indent=4, sort_keys=True))
-            fil.close()
+            try:
+                with open(Configuration.greaseConfigFile, 'w') as fil:
+                    fil.write(json.dumps(GREASE_CONFIG, indent=4, sort_keys=True))
+            except:
+                print("""
+!!!!!!!!!!!!!!!!!!FAILED TO WRITE CONFIGURATION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+                
+THIS IS CRITICAL! EITHER [{0}] is unavailable or does not exist! log files will not be written and only the
+default configuration is accessible!
+
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+                """.format(Configuration.greaseDir))
+                return
 
     @staticmethod
     def get(section, key=None, default=None):
@@ -139,12 +147,15 @@ def EnsureGreaseFS(self):
             bool: If the FS is in place then True
 
         """
-        if not os.path.isdir(self.greaseDir):
-            os.mkdir(self.greaseDir)
-        for elem in self.FileSystem:
-            if not os.path.isdir(self.greaseDir + elem):
-                os.mkdir(self.greaseDir + elem)
-        return True
+        try:
+            if not os.path.isdir(self.greaseDir):
+                os.mkdir(self.greaseDir)
+            for elem in self.FileSystem:
+                if not os.path.isdir(self.greaseDir + elem):
+                    os.mkdir(self.greaseDir + elem)
+            return True
+        except:
+            return False
 
     @staticmethod
     def DefaultConfig():

tgt_grease/core/Logging.py

@@ -286,7 +286,6 @@ def DefaultLogger(self):
 
         """
         global GREASE_LOG_HANDLER
-        logFilename = self._conf.get('Logging', 'file')
         self._logger = logging.getLogger('GREASE')
         self._logger.setLevel(logging.DEBUG)
         self._formatter = logging.Formatter(
@@ -299,7 +298,13 @@ def DefaultLogger(self):
         )
         self._formatter.converter = time.gmtime
         if not GREASE_LOG_HANDLER:
-            GREASE_LOG_HANDLER = logging.FileHandler(logFilename)
-            GREASE_LOG_HANDLER.setLevel(logging.DEBUG)
-            GREASE_LOG_HANDLER.setFormatter(self._formatter)
-            self._logger.addHandler(GREASE_LOG_HANDLER)
+            if os.path.isdir(self._conf.greaseDir):
+                GREASE_LOG_HANDLER = logging.FileHandler(self._conf.get('Logging', 'file'))
+                GREASE_LOG_HANDLER.setLevel(logging.DEBUG)
+                GREASE_LOG_HANDLER.setFormatter(self._formatter)
+                self._logger.addHandler(GREASE_LOG_HANDLER)
+            else:
+                GREASE_LOG_HANDLER = logging.StreamHandler()
+                GREASE_LOG_HANDLER.setLevel(logging.DEBUG)
+                GREASE_LOG_HANDLER.setFormatter(self._formatter)
+                self._logger.addHandler(GREASE_LOG_HANDLER)