Source code for f5.bigip.cm.autodeploy.software_images

# coding=utf-8
#
"""Classes and functions for configuring BIG-IP"""
# Copyright 2016 F5 Networks Inc.
#
# 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 f5.bigip.mixins import FileUploadMixin
from f5.bigip.resource import PathElement
from f5.sdk_exception import F5SDKError


class ImageFilesMustHaveDotISOExtension(F5SDKError):
    def __init__(self, filename):
        super(ImageFilesMustHaveDotISOExtension, self).__init__(filename)


[docs]class Software_Image_Uploads(PathElement, FileUploadMixin): """Software image upload resource.""" def __init__(self, autodeploy): super(Software_Image_Uploads, self).__init__(autodeploy) def upload_image(self, filepathname, **kwargs): filename = os.path.basename(filepathname) if os.path.splitext(filename)[-1] != '.iso': raise ImageFilesMustHaveDotISOExtension(filename) self.file_bound_uri = self._meta_data['uri'] + filename self._upload_file(filepathname, **kwargs)
# # # class Software_Image_Downloads(PathElement): # """Software image download resource.""" # def __init__(self, autodeploy): # super(Software_Image_Downloads, self).__init__(autodeploy) # # def download_image(self, filepathname, **kwargs): # filename = os.path.basename(filepathname) # session = self._meta_data['icr_session'] # chunk_size = kwargs.pop('chunk_size', 512 * 1024) # self.file_bound_uri = self._meta_data['uri'] + filename # with open(filepathname, 'wb') as writefh: # start = 0 # end = chunk_size - 1 # size = 0 # current_bytes = 0 # # while True: # content_range = "%s-%s/%s" % (start, end, size) # headers = {'Content-Range': content_range, # 'Content-Type': 'application/octet-stream'} # req_params = {'headers': headers, # 'verify': False, # 'stream': True} # response = session.get(self.file_bound_uri, # requests_params=req_params) # if response.status_code == 200: # # If the size is zero, then this is the first time through # # the loop and we don't want to write data because we # # haven't yet figured out the total size of the file. # if size > 0: # current_bytes += chunk_size # for chunk in response.iter_content(chunk_size): # writefh.write(chunk) # # # Once we've downloaded the entire file, we can break out of # # the loop # if end == size: # break # # crange = response.headers['Content-Range'] # # #Determine the total number of bytes to read. # if size == 0: # size = int(crange.split('/')[-1]) - 1 # # # If the file is smaller than the chunk_size, the BigIP # # will return an HTTP 400. Adjust the chunk_size down to # # the total file size... # if chunk_size > size: # end = size # # # ...and pass on the rest of the code. # continue # # start += chunk_size # # if (current_bytes + chunk_size) > size: # end = size # else: # end = start + chunk_size - 1