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authorJing Lu <lvjing5@huawei.com>2017-08-25 00:50:21 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-08-25 00:50:21 +0000
commitf5a96ffd959b11a122c4beea1fc99c89f755678c (patch)
tree1c0cad1b94f33a3275c816999653870e6955d6eb /api/resources/v2/images.py
parentffecd5b84eecdb74d7534b801c1359251c34b34e (diff)
parentefb4f088f14aee394599bea21973f82f1867c4fe (diff)
Merge "Add function to upload image from local/url in GUI"
Diffstat (limited to 'api/resources/v2/images.py')
-rw-r--r--api/resources/v2/images.py341
1 files changed, 313 insertions, 28 deletions
diff --git a/api/resources/v2/images.py b/api/resources/v2/images.py
index 8359e105b..0c36a0a26 100644
--- a/api/resources/v2/images.py
+++ b/api/resources/v2/images.py
@@ -7,76 +7,361 @@
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging
-import subprocess
+import os
+import uuid
import threading
+import requests
+import datetime
from api import ApiResource
+from api.database.v2.handlers import V2ImageHandler
+from api.database.v2.handlers import V2EnvironmentHandler
from yardstick.common.utils import result_handler
from yardstick.common.utils import source_env
from yardstick.common.utils import change_obj_to_dict
from yardstick.common.openstack_utils import get_nova_client
+from yardstick.common.openstack_utils import get_glance_client
from yardstick.common import constants as consts
LOG = logging.getLogger(__name__)
LOG.setLevel(logging.DEBUG)
+IMAGE_MAP = {
+ 'yardstick-image': {
+ 'path': os.path.join(consts.IMAGE_DIR, 'yardstick-image.img'),
+ 'url': 'http://artifacts.opnfv.org/yardstick/images/yardstick-image.img'
+ },
+ 'Ubuntu-16.04': {
+ 'path': os.path.join(consts.IMAGE_DIR, 'xenial-server-cloudimg-amd64-disk1.img'),
+ 'url': 'cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img'
+ },
+ 'cirros-0.3.5': {
+ 'path': os.path.join(consts.IMAGE_DIR, 'cirros-0.3.5-x86_64-disk.img'),
+ 'url': 'http://download.cirros-cloud.net/0.3.5/cirros-0.3.5-x86_64-disk.img'
+ }
+}
+
class V2Images(ApiResource):
def get(self):
try:
source_env(consts.OPENRC)
- except:
+ except Exception:
return result_handler(consts.API_ERROR, 'source openrc error')
nova_client = get_nova_client()
try:
images_list = nova_client.images.list()
- except:
+ except Exception:
return result_handler(consts.API_ERROR, 'get images error')
else:
- images = [self.get_info(change_obj_to_dict(i)) for i in images_list]
- status = 1 if all(i['status'] == 'ACTIVE' for i in images) else 0
- if not images:
- status = 0
+ images = {i.name: self.get_info(change_obj_to_dict(i)) for i in images_list}
- return result_handler(consts.API_SUCCESS, {'status': status, 'images': images})
+ return result_handler(consts.API_SUCCESS, {'status': 1, 'images': images})
def post(self):
return self._dispatch_post()
def get_info(self, data):
+ try:
+ size = data['OS-EXT-IMG-SIZE:size']
+ except KeyError:
+ size = None
+ else:
+ size = float(size) / 1024 / 1024
+
result = {
'name': data.get('name', ''),
- 'size': data.get('OS-EXT-IMG-SIZE:size', ''),
- 'status': data.get('status', ''),
- 'time': data.get('updated', '')
+ 'discription': data.get('description', ''),
+ 'size': size,
+ 'status': data.get('status'),
+ 'time': data.get('updated')
}
return result
def load_image(self, args):
- thread = threading.Thread(target=self._load_images)
+ try:
+ image_name = args['name']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'image name must provided')
+
+ if image_name not in IMAGE_MAP:
+ return result_handler(consts.API_ERROR, 'wrong image name')
+
+ thread = threading.Thread(target=self._do_load_image, args=(image_name,))
thread.start()
+ return result_handler(consts.API_SUCCESS, {'image': image_name})
+
+ def upload_image(self, args):
+ try:
+ image_file = args['file']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'file must be provided')
+
+ try:
+ environment_id = args['environment_id']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'environment_id must be provided')
+
+ try:
+ uuid.UUID(environment_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'invalid environment id')
+
+ environment_handler = V2EnvironmentHandler()
+ try:
+ environment = environment_handler.get_by_uuid(environment_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'no such environment')
+
+ file_path = os.path.join(consts.IMAGE_DIR, image_file.filename)
+ LOG.info('saving file')
+ image_file.save(file_path)
+
+ LOG.info('loading image')
+ self._load_image(image_file.filename, file_path)
+
+ LOG.info('creating image in DB')
+ image_handler = V2ImageHandler()
+ image_id = str(uuid.uuid4())
+ image_init_data = {
+ 'uuid': image_id,
+ 'name': image_file.filename,
+ 'environment_id': environment_id
+ }
+ image_handler.insert(image_init_data)
+
+ LOG.info('update image in environment')
+ if environment.image_id:
+ image_list = environment.image_id.split(',')
+ image_list.append(image_id)
+ new_image_id = ','.join(image_list)
+ else:
+ new_image_id = image_id
+
+ environment_handler.update_attr(environment_id, {'image_id': new_image_id})
+
+ return result_handler(consts.API_SUCCESS, {'uuid': image_id})
+
+ def upload_image_by_url(self, args):
+ try:
+ url = args['url']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'url must be provided')
+
+ try:
+ environment_id = args['environment_id']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'environment_id must be provided')
+
+ try:
+ uuid.UUID(environment_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'invalid environment id')
+
+ environment_handler = V2EnvironmentHandler()
+ try:
+ environment = environment_handler.get_by_uuid(environment_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'no such environment')
+
+ thread = threading.Thread(target=self._do_upload_image_by_url, args=(url,))
+ thread.start()
+
+ file_name = url.split('/')[-1]
+
+ LOG.info('creating image in DB')
+ image_handler = V2ImageHandler()
+ image_id = str(uuid.uuid4())
+ image_init_data = {
+ 'uuid': image_id,
+ 'name': file_name,
+ 'environment_id': environment_id
+ }
+ image_handler.insert(image_init_data)
+
+ LOG.info('update image in environment')
+ if environment.image_id:
+ image_list = environment.image_id.split(',')
+ image_list.append(image_id)
+ new_image_id = ','.join(image_list)
+ else:
+ new_image_id = image_id
+
+ environment_handler.update_attr(environment_id, {'image_id': new_image_id})
+
+ return result_handler(consts.API_SUCCESS, {'uuid': image_id})
+
+ def delete_image(self, args):
+ try:
+ image_name = args['name']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'image name must provided')
+
+ if image_name not in IMAGE_MAP:
+ return result_handler(consts.API_ERROR, 'wrong image name')
+
+ glance_client = get_glance_client()
+ try:
+ image = next((i for i in glance_client.images.list() if i.name == image_name))
+ except StopIteration:
+ return result_handler(consts.API_ERROR, 'can not find image')
+
+ glance_client.images.delete(image.id)
+
return result_handler(consts.API_SUCCESS, {})
- def _load_images(self):
+ def _do_upload_image_by_url(self, url):
+ file_name = url.split('/')[-1]
+ path = os.path.join(consts.IMAGE_DIR, file_name)
+
+ LOG.info('download image')
+ self._download_image(url, path)
+
+ LOG.info('loading image')
+ self._load_image(file_name, path)
+
+ def _do_load_image(self, image_name):
+ if not os.path.exists(IMAGE_MAP[image_name]['path']):
+ self._download_image(IMAGE_MAP[image_name]['url'],
+ IMAGE_MAP[image_name]['path'])
+
+ self._load_image(image_name, IMAGE_MAP[image_name]['path'])
+
+ def _load_image(self, image_name, image_path):
LOG.info('source openrc')
source_env(consts.OPENRC)
- LOG.info('clean images')
- cmd = [consts.CLEAN_IMAGES_SCRIPT]
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
- cwd=consts.REPOS_DIR)
- _, err = p.communicate()
- if p.returncode != 0:
- LOG.error('clean image failed: %s', err)
-
- LOG.info('load images')
- cmd = [consts.LOAD_IMAGES_SCRIPT]
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
- cwd=consts.REPOS_DIR)
- _, err = p.communicate()
- if p.returncode != 0:
- LOG.error('load image failed: %s', err)
+ LOG.info('load image')
+ glance_client = get_glance_client()
+ image = glance_client.images.create(name=image_name,
+ visibility='public',
+ disk_format='qcow2',
+ container_format='bare')
+ with open(image_path, 'rb') as f:
+ glance_client.images.upload(image.id, f)
LOG.info('Done')
+
+ def _download_image(self, url, path):
+ start = datetime.datetime.now().replace(microsecond=0)
+
+ LOG.info('download image from: %s', url)
+ self._download_file(url, path)
+
+ end = datetime.datetime.now().replace(microsecond=0)
+ LOG.info('download image success, total: %s s', end - start)
+
+ def _download_handler(self, start, end, url, filename):
+
+ headers = {'Range': 'bytes=%d-%d' % (start, end)}
+ r = requests.get(url, headers=headers, stream=True)
+
+ with open(filename, "r+b") as fp:
+ fp.seek(start)
+ fp.tell()
+ fp.write(r.content)
+
+ def _download_file(self, url, path, num_thread=5):
+
+ r = requests.head(url)
+ try:
+ file_size = int(r.headers['content-length'])
+ except Exception:
+ return
+
+ with open(path, 'wb') as f:
+ f.truncate(file_size)
+
+ thread_list = []
+ part = file_size // num_thread
+ for i in range(num_thread):
+ start = part * i
+ end = start + part if i != num_thread - 1 else file_size
+
+ kwargs = {'start': start, 'end': end, 'url': url, 'filename': path}
+ t = threading.Thread(target=self._download_handler, kwargs=kwargs)
+ t.setDaemon(True)
+ t.start()
+ thread_list.append(t)
+
+ for t in thread_list:
+ t.join()
+
+
+class V2Image(ApiResource):
+ def get(self, image_id):
+ try:
+ uuid.UUID(image_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'invalid image id')
+
+ image_handler = V2ImageHandler()
+ try:
+ image = image_handler.get_by_uuid(image_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'no such image id')
+
+ nova_client = get_nova_client()
+ images = nova_client.images.list()
+ try:
+ image = next((i for i in images if i.name == image.name))
+ except StopIteration:
+ pass
+
+ return_image = self.get_info(change_obj_to_dict(image))
+ return_image['id'] = image_id
+
+ return result_handler(consts.API_SUCCESS, {'image': return_image})
+
+ def delete(self, image_id):
+ try:
+ uuid.UUID(image_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'invalid image id')
+
+ image_handler = V2ImageHandler()
+ try:
+ image = image_handler.get_by_uuid(image_id)
+ except ValueError:
+ return result_handler(consts.API_ERROR, 'no such image id')
+
+ LOG.info('delete image in openstack')
+ glance_client = get_glance_client()
+ try:
+ image_o = next((i for i in glance_client.images.list() if i.name == image.name))
+ except StopIteration:
+ return result_handler(consts.API_ERROR, 'can not find image')
+
+ glance_client.images.delete(image_o.id)
+
+ LOG.info('delete image in environment')
+ environment_id = image.environment_id
+ environment_handler = V2EnvironmentHandler()
+ environment = environment_handler.get_by_uuid(environment_id)
+ image_list = environment.image_id.split(',')
+ image_list.remove(image_id)
+ environment_handler.update_attr(environment_id, {'image_id': ','.join(image_list)})
+
+ LOG.info('delete image in DB')
+ image_handler.delete_by_uuid(image_id)
+
+ return result_handler(consts.API_SUCCESS, {'image': image_id})
+
+ def get_info(self, data):
+ try:
+ size = data['OS-EXT-IMG-SIZE:size']
+ except KeyError:
+ size = None
+ else:
+ size = float(size) / 1024 / 1024
+
+ result = {
+ 'name': data.get('name', ''),
+ 'description': data.get('description', ''),
+ 'size': size,
+ 'status': data.get('status'),
+ 'time': data.get('updated')
+ }
+ return result