tempest/tempest/services/image/v1/json/image_client.py

319 lines
12 KiB
Python

# Copyright 2013 IBM Corp.
# All Rights Reserved.
#
# 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 errno
import os
import time
from oslo_log import log as logging
from oslo_serialization import jsonutils as json
import six
from six.moves.urllib import parse as urllib
from tempest_lib.common.utils import misc as misc_utils
from tempest_lib import exceptions as lib_exc
from tempest.common import glance_http
from tempest.common import service_client
from tempest import exceptions
LOG = logging.getLogger(__name__)
class ImageClient(service_client.ServiceClient):
def __init__(self, auth_provider, catalog_type, region, endpoint_type=None,
build_interval=None, build_timeout=None,
disable_ssl_certificate_validation=None,
ca_certs=None, trace_requests=None):
super(ImageClient, self).__init__(
auth_provider,
catalog_type,
region,
endpoint_type=endpoint_type,
build_interval=build_interval,
build_timeout=build_timeout,
disable_ssl_certificate_validation=(
disable_ssl_certificate_validation),
ca_certs=ca_certs,
trace_requests=trace_requests)
self._http = None
self.dscv = disable_ssl_certificate_validation
self.ca_certs = ca_certs
def _image_meta_from_headers(self, headers):
meta = {'properties': {}}
for key, value in six.iteritems(headers):
if key.startswith('x-image-meta-property-'):
_key = key[22:]
meta['properties'][_key] = value
elif key.startswith('x-image-meta-'):
_key = key[13:]
meta[_key] = value
for key in ['is_public', 'protected', 'deleted']:
if key in meta:
meta[key] = meta[key].strip().lower() in ('t', 'true', 'yes',
'1')
for key in ['size', 'min_ram', 'min_disk']:
if key in meta:
try:
meta[key] = int(meta[key])
except ValueError:
pass
return meta
def _image_meta_to_headers(self, fields):
headers = {}
fields_copy = copy.deepcopy(fields)
copy_from = fields_copy.pop('copy_from', None)
if copy_from is not None:
headers['x-glance-api-copy-from'] = copy_from
for key, value in six.iteritems(fields_copy.pop('properties', {})):
headers['x-image-meta-property-%s' % key] = str(value)
for key, value in six.iteritems(fields_copy.pop('api', {})):
headers['x-glance-api-property-%s' % key] = str(value)
for key, value in six.iteritems(fields_copy):
headers['x-image-meta-%s' % key] = str(value)
return headers
def _get_file_size(self, obj):
"""Analyze file-like object and attempt to determine its size.
:param obj: file-like object, typically redirected from stdin.
:retval The file's size or None if it cannot be determined.
"""
# For large images, we need to supply the size of the
# image file. See LP Bugs #827660 and #845788.
if hasattr(obj, 'seek') and hasattr(obj, 'tell'):
try:
obj.seek(0, os.SEEK_END)
obj_size = obj.tell()
obj.seek(0)
return obj_size
except IOError as e:
if e.errno == errno.ESPIPE:
# Illegal seek. This means the user is trying
# to pipe image data to the client, e.g.
# echo testdata | bin/glance add blah..., or
# that stdin is empty, or that a file-like
# object which doesn't support 'seek/tell' has
# been supplied.
return None
else:
raise
else:
# Cannot determine size of input image
return None
def _get_http(self):
return glance_http.HTTPClient(auth_provider=self.auth_provider,
filters=self.filters,
insecure=self.dscv,
ca_certs=self.ca_certs)
def _create_with_data(self, headers, data):
resp, body_iter = self.http.raw_request('POST', '/v1/images',
headers=headers, body=data)
self._error_checker('POST', '/v1/images', headers, data, resp,
body_iter)
body = json.loads(''.join([c for c in body_iter]))
return service_client.ResponseBody(resp, body)
def _update_with_data(self, image_id, headers, data):
url = '/v1/images/%s' % image_id
resp, body_iter = self.http.raw_request('PUT', url, headers=headers,
body=data)
self._error_checker('PUT', url, headers, data,
resp, body_iter)
body = json.loads(''.join([c for c in body_iter]))
return service_client.ResponseBody(resp, body)
@property
def http(self):
if self._http is None:
self._http = self._get_http()
return self._http
def create_image(self, name, container_format, disk_format, **kwargs):
params = {
"name": name,
"container_format": container_format,
"disk_format": disk_format,
}
headers = {}
for option in ['is_public', 'location', 'properties',
'copy_from', 'min_ram']:
if option in kwargs:
params[option] = kwargs.get(option)
headers.update(self._image_meta_to_headers(params))
if 'data' in kwargs:
return self._create_with_data(headers, kwargs.get('data'))
resp, body = self.post('v1/images', None, headers)
self.expected_success(201, resp.status)
body = json.loads(body)
return service_client.ResponseBody(resp, body)
def update_image(self, image_id, name=None, container_format=None,
data=None, properties=None):
params = {}
headers = {}
if name is not None:
params['name'] = name
if container_format is not None:
params['container_format'] = container_format
if properties is not None:
params['properties'] = properties
headers.update(self._image_meta_to_headers(params))
if data is not None:
return self._update_with_data(image_id, headers, data)
url = 'v1/images/%s' % image_id
resp, body = self.put(url, data, headers)
self.expected_success(200, resp.status)
body = json.loads(body)
return service_client.ResponseBody(resp, body)
def delete_image(self, image_id):
url = 'v1/images/%s' % image_id
resp, body = self.delete(url)
self.expected_success(200, resp.status)
return service_client.ResponseBody(resp, body)
def list_images(self, detail=False, properties=dict(),
changes_since=None, **kwargs):
url = 'v1/images'
if detail:
url += '/detail'
params = {}
for key, value in properties.items():
params['property-%s' % key] = value
kwargs.update(params)
if changes_since is not None:
kwargs['changes-since'] = changes_since
if len(kwargs) > 0:
url += '?%s' % urllib.urlencode(kwargs)
resp, body = self.get(url)
self.expected_success(200, resp.status)
body = json.loads(body)
return service_client.ResponseBody(resp, body)
def get_image_meta(self, image_id):
url = 'v1/images/%s' % image_id
resp, __ = self.head(url)
self.expected_success(200, resp.status)
body = self._image_meta_from_headers(resp)
return service_client.ResponseBody(resp, body)
def show_image(self, image_id):
url = 'v1/images/%s' % image_id
resp, body = self.get(url)
self.expected_success(200, resp.status)
return service_client.ResponseBodyData(resp, body)
def is_resource_deleted(self, id):
try:
self.get_image_meta(id)
except lib_exc.NotFound:
return True
return False
@property
def resource_type(self):
"""Returns the primary type of resource this client works with."""
return 'image_meta'
def list_image_members(self, image_id):
url = 'v1/images/%s/members' % image_id
resp, body = self.get(url)
self.expected_success(200, resp.status)
body = json.loads(body)
return service_client.ResponseBody(resp, body)
def list_shared_images(self, tenant_id):
"""List shared images with the specified tenant"""
url = 'v1/shared-images/%s' % tenant_id
resp, body = self.get(url)
self.expected_success(200, resp.status)
body = json.loads(body)
return service_client.ResponseBody(resp, body)
def add_member(self, member_id, image_id, can_share=False):
url = 'v1/images/%s/members/%s' % (image_id, member_id)
body = None
if can_share:
body = json.dumps({'member': {'can_share': True}})
resp, __ = self.put(url, body)
self.expected_success(204, resp.status)
return service_client.ResponseBody(resp)
def delete_member(self, member_id, image_id):
url = 'v1/images/%s/members/%s' % (image_id, member_id)
resp, __ = self.delete(url)
self.expected_success(204, resp.status)
return service_client.ResponseBody(resp)
# NOTE(afazekas): just for the wait function
def _get_image_status(self, image_id):
meta = self.get_image_meta(image_id)
status = meta['status']
return status
# NOTE(afazkas): Wait reinvented again. It is not in the correct layer
def wait_for_image_status(self, image_id, status):
"""Waits for a Image to reach a given status."""
start_time = time.time()
old_value = value = self._get_image_status(image_id)
while True:
dtime = time.time() - start_time
time.sleep(self.build_interval)
if value != old_value:
LOG.info('Value transition from "%s" to "%s"'
'in %d second(s).', old_value,
value, dtime)
if value == status:
return value
if value == 'killed':
raise exceptions.ImageKilledException(image_id=image_id,
status=status)
if dtime > self.build_timeout:
message = ('Time Limit Exceeded! (%ds)'
'while waiting for %s, '
'but we got %s.' %
(self.build_timeout, status, value))
caller = misc_utils.find_test_caller()
if caller:
message = '(%s) %s' % (caller, message)
raise exceptions.TimeoutException(message)
time.sleep(self.build_interval)
old_value = value
value = self._get_image_status(image_id)