Implement uploading exported disk to storeserver, remove disk from the datastore after upload

disk.py

@@ -11,6 +11,7 @@ from time import sleep
 from hashlib import md5
 import re
 
+from requests_toolbelt import MultipartEncoder
 import requests
 
 logger = logging.getLogger(__name__)
@@ -265,22 +266,39 @@ class Disk(object):
                 raise Exception("Invalid file format. Only qcow and "
                                 "iso files are allowed. Image from: %s" % url)
 
-    def export(self, format):
+    def export(self, format, exported_name, upload_link):
         format_dict = {
             'vmdk': 'vmdk',
             'qcow2': 'qcow2',
             'vdi': 'vdi',
             'vpc': 'vhd',
         }
+        exported_path = self.get_path() + '.' + format_dict[format]
         cmdline = ['qemu-img',
                    'convert',
                    '-O', format,
                    self.get_path(),
-                   self.get_path() + '.' + format_dict[format]]
+                   exported_path]
 
         subprocess.check_output(cmdline)
 
-    def extract_iso_from_zip(self, disk_path):
+        with open(exported_path, 'rb') as exported_disk:
+            try:
+                m = MultipartEncoder(
+                    {'data': (exported_name + '.' + format_dict[format], exported_disk)}
+                )
+                response = requests.post(upload_link,
+                                         data=m,
+                                         headers={'Content-Type': m.content_type},
+                                         params={'no_redirect': ''})
+                if response.status_code != 200:
+                    raise Exception("Invalid response status code: %s" %
+                                    response.status_code)
+            finally:
+                os.unlink(exported_path)
+
+
+def extract_iso_from_zip(self, disk_path):
     with ZipFile(disk_path, 'r') as z:
         isos = z.namelist()
         if len(isos) != 1:
@@ -298,7 +316,8 @@ class Disk(object):
             logger.info("Extracting %s failed, keeping original.",
                         disk_path)
 
-    def snapshot(self):
+
+def snapshot(self):
     """ Creating qcow2 snapshot with base image.
     """
     # Check if snapshot type and qcow2 format matchmatch
@@ -324,7 +343,8 @@ class Disk(object):
         # Call subprocess
         subprocess.check_output(cmdline)
 
-    def merge_disk_with_base(self, task, new_disk, parent_id=None):
+
+def merge_disk_with_base(self, task, new_disk, parent_id=None):
     proc = None
     try:
         cmdline = [
@@ -376,7 +396,8 @@ class Disk(object):
         os.unlink(new_disk.get_path())
         raise
 
-    def merge_disk_without_base(self, task, new_disk, parent_id=None,
+
+def merge_disk_without_base(self, task, new_disk, parent_id=None,
                             length=1024 * 1024):
     try:
         fsrc = open(self.get_path(), 'rb')
@@ -413,7 +434,8 @@ class Disk(object):
         os.unlink(new_disk.get_path())
         raise
 
-    def merge(self, task, new_disk, parent_id=None):
+
+def merge(self, task, new_disk, parent_id=None):
     """ Merging a new_disk from the actual disk and its base.
     """
 
@@ -431,12 +453,14 @@ class Disk(object):
     else:
         self.merge_disk_without_base(task, new_disk, parent_id)
 
-    def delete(self):
+
+def delete(self):
     """ Delete file. """
     if os.path.isfile(self.get_path()):
         os.unlink(self.get_path())
 
-    @classmethod
-    def list(cls, dir):
+
+@classmethod
+def list(cls, dir):
     """ List all files in <dir> directory."""
     return [cls.get(dir, file) for file in os.listdir(dir)]

requirements/base.txt

 celery==3.1.17
 requests==2.5.3
+requests-toolbelt==0.9.1
 filemagic==1.6

storagedriver.py

@@ -42,9 +42,9 @@ class download(AbortableTask):
 
 
 @celery.task()
-def export(disk_desc, format):
+def export(disk_desc, format, exported_name, upload_link):
     disk = Disk.deserialize(disk_desc)
-    disk.export(format)
+    disk.export(format, exported_name, upload_link)
 
 
 @celery.task()