Encode injected file data in containers module

We encode file content before sending it via HTTP. In before,
we encode injected file content in CLI shell module so the file
is encoded only when users are using CLI commands.
This commit moves encoding down to containers module so that it
will be available for non-CLI users as well.

Change-Id: I9638ee363ae85c36e421dc997fe2dcad5d4d71cc

zunclient/common/utils.py

@@ -248,7 +248,7 @@ def parse_mounts(mounts):
             # TODO(hongbin): handle the case that 'source' is a directory
             filename = mount_info.pop('source')
             with open(filename, 'rb') as file:
-                mount_info['source'] = encode_file_data(file.read())
+                mount_info['source'] = file.read()
 
         parsed_mounts.append(mount_info)
     return parsed_mounts

zunclient/v1/containers.py

@@ -96,6 +96,7 @@ class ContainerManager(base.Manager):
 
     def create(self, **kwargs):
         self._process_command(kwargs)
+        self._process_mounts(kwargs)
 
         new = {}
         for (key, value) in kwargs.items():
@@ -113,6 +114,13 @@ class ContainerManager(base.Manager):
             if command:
                 kwargs['command'] = utils.parse_command(command)
 
+    def _process_mounts(self, kwargs):
+        mounts = kwargs.get('mounts', None)
+        if mounts:
+            for mount in mounts:
+                if mount['type'] == 'bind':
+                    mount['source'] = utils.encode_file_data(mount['source'])
+
     def delete(self, id, **kwargs):
         return self._delete(self._path(id),
                             qparams=kwargs)
@@ -170,6 +178,7 @@ class ContainerManager(base.Manager):
 
     def run(self, **kwargs):
         self._process_command(kwargs)
+        self._process_mounts(kwargs)
 
         if not set(kwargs).issubset(CREATION_ATTRIBUTES):
             raise exceptions.InvalidAttribute(