Flake requirements

* Added Apache Licence for each file.
* Pep8 fixes

Change-Id: Iba54681c048c612e4b7e5859edf4f3713934f290

fuel_external_git/const.py

@@ -1 +1,13 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 REPOS_DIR = '/var/lib/fuel_repos'

fuel_external_git/extension.py

@@ -1,24 +1,37 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import copy
 import os
 import yaml
-import copy
-
-from nailgun.logger import logger
-
-from nailgun.extensions import BaseExtension
-from nailgun.extensions import BasePipeline
 
+from fuel_external_git import const
 from fuel_external_git import handlers
 from fuel_external_git.objects import GitRepo
 from fuel_external_git.settings import GitExtensionSettings
-from fuel_external_git import const
 from fuel_external_git import utils
 
+from nailgun.extensions import BaseExtension
+from nailgun.extensions import BasePipeline
+from nailgun.logger import logger
+
 
 class OpenStackConfigPipeline(BasePipeline):
-    # TODO (dukov) add cluster remove callback
+    # TODO(dukov) add cluster remove callback
     @classmethod
     def process_deployment(cls, data, cluster, nodes, **kwargs):
-        """Genereate OpenStack configuration hash based on configuration files
+        """Updating deployment info
+
+           Genereate OpenStack configuration hash based on configuration files
            stored in git repository associated with a particular environment
            Example of configuration extension:
                configuration:
@@ -91,7 +104,8 @@ class OpenStackConfigPipeline(BasePipeline):
             logger.info("Node {0} config from git {1}".format(uid, common))
         return data
 
-# TODO (dukov) Remove decorator extension management is available
+
+# TODO(dukov) Remove decorator extension management is available
 @utils.register_extension(u'fuel_external_git')
 class ExternalGit(BaseExtension):
     name = 'fuel_external_git'

fuel_external_git/fuelclient.py

@@ -1,10 +1,23 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 from __future__ import absolute_import
 
-import os
 import fabric.api
-from git import Repo
+import os
+
 from cliff import command
 from cliff import lister
+from git import Repo
 
 from fuelclient.client import APIClient
 from fuelclient.common import data_utils
@@ -88,7 +101,7 @@ class AddRepo(command.Command):
             with open(parsed_args.key) as key_file:
                 data['user_key'] = key_file.read()
 
-        result = APIClient.post_request('/clusters/git-repos/', data)
+        APIClient.post_request('/clusters/git-repos/', data)
         return (self.columns, data)
 
 
@@ -120,7 +133,7 @@ class DeleteRepo(command.Command):
                    if repo['id'] == parsed_args.repo][0]
 
         del_path = "/clusters/{0}/git-repos/{1}"
-        result = APIClient.delete_request(del_path.format(env, repo_id))
+        APIClient.delete_request(del_path.format(env, repo_id))
         return (self.columns, {})
 
 
@@ -208,7 +221,7 @@ class InitRepo(command.Command):
                if repo['id'] == parsed_args.repo][0]
 
         init_path = "/clusters/{0}/git-repos/{1}/init"
-        result = APIClient.put_request(init_path.format(env, repo_id), {})
+        APIClient.put_request(init_path.format(env, repo_id), {})
         return (self.columns, {})
 
 

fuel_external_git/handlers.py

@@ -1,12 +1,26 @@
-from nailgun import objects
-from nailgun.errors import errors
-from nailgun.api.v1.validators import base
-from nailgun.api.v1.handlers.base import content
-from nailgun.api.v1.handlers.base import \
-        SingleHandler, CollectionHandler, BaseHandler
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
 
-from fuel_external_git.objects import GitRepo, GitRepoCollection
 from fuel_external_git import json_schema
+from fuel_external_git.objects import GitRepo
+from fuel_external_git.objects import GitRepoCollection
+
+from nailgun.api.v1.handlers.base import BaseHandler
+from nailgun.api.v1.handlers.base import CollectionHandler
+from nailgun.api.v1.handlers.base import content
+from nailgun.api.v1.handlers.base import SingleHandler
+from nailgun.api.v1.validators import base
+from nailgun.errors import errors
+from nailgun import objects
 
 REPOS_DIR = '/var/lib/fuel_repos'
 

fuel_external_git/json_schema.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 single_schema = {
     "$schema": "http://json-schema.org/draft-04/schema#",
     "title": "Cluster",

fuel_external_git/migrations/env.py

@@ -16,19 +16,18 @@ import logging.config
 from alembic import context
 import sqlalchemy
 
-#from tuning_box import db
 
 config = context.config
 if config.get_main_option('table_prefix') is None:
     config.set_main_option('table_prefix', '')
 if config.config_file_name:
     logging.config.fileConfig(config.config_file_name)
-#target_metadata = db.db.metadata
 target_metadata = None
 
 
 def run_migrations_offline():
     """Run migrations in 'offline' mode.
+
     This configures the context with just a URL
     and not an Engine, though an Engine is acceptable
     here as well.  By skipping the Engine creation
@@ -48,6 +47,7 @@ def run_migrations_offline():
 
 def run_migrations_online():
     """Run migrations in 'online' mode.
+
     In this scenario we need to create an Engine
     and associate a connection with the context.
     """

fuel_external_git/migrations/versions/d59114c46ac4_change_constrains.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 """change_constrains
 
 Revision ID: d59114c46ac4
@@ -13,6 +25,7 @@ branch_labels = None
 depends_on = None
 
 import sqlalchemy as sa
+
 from alembic import context
 from alembic import op
 

fuel_external_git/migrations/versions/e3b840e64e53_init.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 """Init
 
 Revision ID: e3b840e64e53
@@ -13,9 +25,9 @@ branch_labels = None
 depends_on = None
 
 import sqlalchemy as sa
+
 from alembic import context
 from alembic import op
-from sqlalchemy.dialects import postgresql as psql
 
 
 def upgrade():

fuel_external_git/models.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 from sqlalchemy import Column
 from sqlalchemy import Integer
 from sqlalchemy import String

fuel_external_git/objects.py

@@ -1,19 +1,34 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 import os
 import shutil
 import yaml
+
 from distutils.dir_util import copy_tree
 
-from nailgun.db import db
-from nailgun.objects import NailgunObject, NailgunCollection, Cluster
-from nailgun.objects.serializers.base import BasicSerializer
-from nailgun.logger import logger
-from nailgun.errors import errors
-
-from git import Repo
-from git import exc
-
-from fuel_external_git.models import GitRepo
 from fuel_external_git import const
+from fuel_external_git.models import GitRepo
+
+from git import exc
+from git import Repo
+
+from nailgun.db import db
+from nailgun.errors import errors
+from nailgun.logger import logger
+from nailgun.objects import Cluster
+from nailgun.objects import NailgunCollection
+from nailgun.objects import NailgunObject
+from nailgun.objects.serializers.base import BasicSerializer
 
 
 class GitRepoSerializer(BasicSerializer):
@@ -34,8 +49,7 @@ class GitRepo(NailgunObject):
     @classmethod
     def get_by_cluster_id(self, cluster_id):
         instance = db().query(self.model).\
-                              filter(self.model.env_id == cluster_id).\
-                              first()
+            filter(self.model.env_id == cluster_id).first()
         if instance is not None:
             try:
                 instance.repo = Repo(os.path.join(const.REPOS_DIR,
@@ -102,7 +116,7 @@ class GitRepo(NailgunObject):
 
         try:
             self.checkout(instance)
-        except exc.GitCommandError, e:
+        except exc.GitCommandError as e:
             logger.debug(("Remote returned following error {}. "
                           "Seem remote has not been initialised. "
                           "Skipping checkout".format(e)))

fuel_external_git/openstack_config.py

@@ -1,12 +1,23 @@
-import os
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 import ConfigParser
+import os
 
 from nailgun.logger import logger
 
 
 class OpenStackConfig(object):
     def __init__(self, config_file, resource_name=None):
-        cf_basename = os.path.basename(config_file)
         self.config = ConfigParser.ConfigParser()
         self.config.read(config_file)
         if resource_name:
@@ -18,7 +29,9 @@ class OpenStackConfig(object):
                      format(config_file, self.config_name))
 
     def to_config_dict(self):
-        """Function returns OpenStack config file in dictionary form
+        """Config transformation
+
+           Function returns OpenStack config file in dictionary form
            compatible with override_configuration resource in
            fuel-library
            Example:

fuel_external_git/settings.py

@@ -1,3 +1,16 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# tst
 import os
 import yaml
 

fuel_external_git/templates/gitrepo/tools/show-config-for.py

@@ -1,8 +1,20 @@
 #!/bin/env python
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import argparse
+import ConfigParser
 import os
 import sys
-import ConfigParser
-import argparse
 import yaml
 
 

fuel_external_git/tests/base.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 import os
 
 from oslotest import base

fuel_external_git/tests/test_openstack_config.py

@@ -1,7 +1,19 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 import os
 
-from fuel_external_git.tests import base
 from fuel_external_git.openstack_config import OpenStackConfig
+from fuel_external_git.tests import base
 
 
 class TestOpenStackConfig(base.TestCase):

fuel_external_git/tests/test_utils.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 import copy
 from fuel_external_git.tests import base
 from fuel_external_git import utils

fuel_external_git/utils.py

@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 import os
 from oslo_utils import importutils
 
@@ -6,8 +18,6 @@ from nailgun.db.sqlalchemy.models import Cluster
 from nailgun.db.sqlalchemy.models import Release
 from nailgun.logger import logger
 
-from fuel_external_git.openstack_config import OpenStackConfig
-
 
 def get_file_exts_list(resource_mapping):
     res = set()
@@ -47,7 +57,7 @@ def deep_merge(dct, merge_dct):
             dct[k] = merge_dct[k]
 
 
-# TODO (dukov) Remove this ugly staff once extension management is available
+# TODO(dukov) Remove this ugly staff once extension management is available
 def register_extension(ext_name):
     def decorator(cls):
         exts = {cl: cl['extensions'] for cl in