Improve repository API

* Replace tag.gz package format to zip
* Add lazy=joined to get class_definitions automatically
* Improve logging

Change-Id: Idbbe9c913b02abcb1d273edf6a84cb14587bac2a

muranoapi/api/v1/catalog.py

@@ -45,7 +45,7 @@ def _check_content_type(req, content_type):
         req.get_content_type((content_type,))
     except exception.InvalidContentType:
         msg = _("Content-Type must be '{0}'").format(content_type)
-        LOG.debug(msg)
+        LOG.error(msg)
         raise exc.HTTPBadRequest(explanation=msg)
 
 
@@ -74,8 +74,9 @@ def _get_filters(query_params):
 
 def _validate_body(body):
     if len(body.keys()) != 2:
-        msg = "multipart/form-data request should contain " \
-              "two parts: json and tar.gz archive"
+        msg = "'multipart/form-data' request body should contain " \
+              "2 parts: json string and zip archivel. Current body consist " \
+              "of {0} parts".format(len(body.keys()))
         LOG.error(msg)
         raise exc.HTTPBadRequest(msg)
     file_obj = None
@@ -149,6 +150,7 @@ class Controller(object):
             content = file_obj.file.read()
             if not content:
                 msg = _("Uploading file can't be empty")
+                LOG.error(msg)
                 raise exc.HTTPBadRequest(msg)
             tempf.write(content)
             package_meta['archive'] = content
@@ -158,7 +160,7 @@ class Controller(object):
                                                        drop_dir=True)
             except pkg_exc.PackageLoadError as e:
                 LOG.exception(e)
-                raise exc.HTTPBadRequest(e.message)
+                raise exc.HTTPBadRequest(e)
 
         # extend dictionary for update db
         for k, v in PKG_PARAMS_MAP.iteritems():
@@ -189,7 +191,7 @@ class Controller(object):
 
     def show_categories(self, req):
         categories = db_api.categories_list()
-        return {"categories": [category.to_dict() for category in categories]}
+        return {'categories': [category.name for category in categories]}
 
 
 class PackageSerializer(wsgi.ResponseSerializer):

muranoapi/db/catalog/api.py

@@ -41,6 +41,7 @@ def _package_get(package_id, session):
         msg = _("Package id '{0}' is not found".format(package_id))
         LOG.error(msg)
         raise exc.HTTPNotFound(msg)
+
     return package
 
 
@@ -86,9 +87,11 @@ def _get_categories(category_names, session=None):
         ctg_obj = session.query(models.Category).filter_by(
             name=ctg_name).first()
         if not ctg_obj:
+            msg = _("Category '{name}' doesn't exist".format(name=ctg_name))
+            LOG.error(msg)
             # it's not allowed to specify non-existent categories
-            raise exc.HTTPBadRequest(
-                "Category '{name}' doesn't exist".format(name=ctg_name))
+            raise exc.HTTPBadRequest(msg)
+
         categories.append(ctg_obj)
     return categories
 
@@ -237,10 +240,12 @@ def package_search(filters, context):
             value = int(value)
         except ValueError:
             msg = _("limit param must be an integer")
+            LOG.error(msg)
             raise exc.HTTPBadRequest(explanation=msg)
 
         if value < 0:
             msg = _("limit param must be positive")
+            LOG.error(msg)
             raise exc.HTTPBadRequest(explanation=msg)
 
         return value

muranoapi/db/models.py

@@ -255,7 +255,7 @@ class Package(BASE, ModelBase):
                                      secondary=package_to_category,
                                      cascade='save-update, merge',
                                      lazy='joined')
-    class_definition = sa_orm.relationship("Class")
+    class_definition = sa_orm.relationship("Class", lazy='joined')
 
     def to_dict(self):
         d = self.__dict__.copy()

muranoapi/packages/application_package.py

@@ -16,9 +16,9 @@ import imghdr
 import os
 import shutil
 import sys
-import tarfile
 import tempfile
 import yaml
+import zipfile
 
 import muranoapi.packages.exceptions as e
 import muranoapi.packages.versions.v1
@@ -206,10 +206,10 @@ def load_from_file(archive_path, target_dir=None, drop_dir=False):
             raise e.PackageLoadError('Target directory is not empty')
 
     try:
-        if not tarfile.is_tarfile(archive_path):
-            raise e.PackageFormatError("Uploading file should be a"
-                                       " 'tar.gz' archive")
-        package = tarfile.open(archive_path)
+        if not zipfile.is_zipfile(archive_path):
+            raise e.PackageFormatError("Uploading file should be a "
+                                       "zip' archive")
+        package = zipfile.ZipFile(archive_path)
         package.extractall(path=target_dir)
         return load_from_dir(target_dir, preload=True)
     finally: