Commit 37239e4f authored by Łukasz Nowak's avatar Łukasz Nowak

software/kvm: Test virtual-hard-drive-url

parent c8cb3291
......@@ -59,7 +59,7 @@ md5sum = 6328f99728284847b8dd1146aadeae1b
[template-kvm-run]
filename = template/template-kvm-run.in
md5sum = 1663af08ea7afa8d3fa091bf0c2ea1ca
md5sum = f0190843e3979742fe9e29b8a607539f
[template-kvm-controller]
filename = template/kvm-controller-run.in
......
......@@ -176,6 +176,8 @@ if len(disk_info_list) == 1 and not os.path.exists(disk_info_list[0]['path']) an
if image_config['error-amount'] == 0:
image = image_config['image-list'][0]
downloaded_image = os.path.join(image_config['destination-directory'], image['destination'])
if not os.path.exists(downloaded_image):
raise ValueError('virtual-hard-drive-url not present yet')
# previous version was using disk in place, but here it would result with
# redownload, so copy it
if virtual_hard_drive_gzipped == 'true':
......
......@@ -30,6 +30,7 @@ import http.server
import json
import os
import glob
import gzip
import hashlib
import psutil
import re
......@@ -878,6 +879,20 @@ class HttpHandler(http.server.SimpleHTTPRequestHandler):
class FakeImageServerMixin(KvmMixin):
@classmethod
def setUpClass(cls):
try:
cls.startImageHttpServer()
super().setUpClass()
except BaseException:
cls.stopImageHttpServer()
raise
@classmethod
def tearDownClass(cls):
super().tearDownClass()
cls.stopImageHttpServer()
@classmethod
def startImageHttpServer(cls):
cls.image_source_directory = tempfile.mkdtemp()
......@@ -908,10 +923,31 @@ class FakeImageServerMixin(KvmMixin):
cls.image_source_directory, cls.fake_image3_md5sum), 'wb') as fh:
fh.write(fake_image3_content)
# real fake image
cls.image_source_directory = tempfile.mkdtemp()
real_image_input = os.path.join(cls.image_source_directory, 'real.img')
subprocess.check_call([
cls.qemu_img, "create", "-f", "qcow2", real_image_input, "1M"])
with open(real_image_input, 'rb') as fh:
real_image_content = fh.read()
cls.real_image_md5sum = hashlib.md5(real_image_content).hexdigest()
with open(os.path.join(
cls.image_source_directory, cls.real_image_md5sum), 'wb') as fh:
fh.write(real_image_content)
real_gzip_content = gzip.compress(real_image_content)
cls.real_gzip_md5sum = hashlib.md5(real_gzip_content).hexdigest()
with open(os.path.join(
cls.image_source_directory, cls.real_gzip_md5sum), 'wb') as fh:
fh.write(real_gzip_content)
url = 'http://%s:%s' % server.server_address
cls.fake_image = '/'.join([url, cls.fake_image_md5sum])
cls.fake_image2 = '/'.join([url, cls.fake_image2_md5sum])
cls.fake_image3 = '/'.join([url, cls.fake_image3_md5sum])
cls.real_image = '/'.join([url, cls.real_image_md5sum])
cls.real_gzip = '/'.join([url, cls.real_gzip_md5sum])
old_dir = os.path.realpath(os.curdir)
os.chdir(cls.image_source_directory)
......@@ -936,6 +972,60 @@ class FakeImageServerMixin(KvmMixin):
shutil.rmtree(cls.image_source_directory)
@skipUnlessKvm
class TestVirtualHardDriveUrl(FakeImageServerMixin, KVMTestCase):
__partition_reference__ = 'vhdu'
kvm_instance_partition_reference = 'vhdu0'
@classmethod
def getInstanceParameterDict(cls):
return {
"virtual-hard-drive-url": cls.real_image,
"virtual-hard-drive-md5sum": cls.real_image_md5sum
}
def test(self):
kvm_partition = os.path.join(
self.slap.instance_directory, self.kvm_instance_partition_reference)
image_repository = os.path.join(
kvm_partition,
'srv', 'virtual-hard-drive-url-repository')
self.assertEqual(
[self.getInstanceParameterDict()['virtual-hard-drive-md5sum']],
os.listdir(image_repository)
)
destination_image = os.path.join(kvm_partition, 'srv', 'virtual.qcow2')
# compare result of qemu-img info of repository and the one
qemu_img_list = [self.qemu_img, 'info', '-U', '--output', 'json']
source_image_info_json = json.loads(subprocess.check_output(
qemu_img_list + [
os.path.join(self.image_source_directory, self.real_image_md5sum)]))
destination_image_info_json = json.loads(subprocess.check_output(
qemu_img_list + [destination_image]))
source_image_info_json.pop('filename')
destination_image_info_json.pop('filename')
# the best possible way to assure that provided image is used is by
# comparing the result of qemu-img info for both
self.assertEqual(
source_image_info_json,
destination_image_info_json
)
@skipUnlessKvm
class TestVirtualHardDriveUrlGzipped(TestVirtualHardDriveUrl):
__partition_reference__ = 'vhdug'
kvm_instance_partition_reference = 'vhdug0'
@classmethod
def getInstanceParameterDict(cls):
return {
"virtual-hard-drive-url": cls.real_gzip,
"virtual-hard-drive-md5sum": cls.real_gzip_md5sum,
"virtual-hard-drive-gzipped": True
}
@skipUnlessKvm
class TestBootImageUrlList(KVMTestCase, FakeImageServerMixin):
__partition_reference__ = 'biul'
......@@ -976,20 +1066,6 @@ class TestBootImageUrlList(KVMTestCase, FakeImageServerMixin):
cls.fake_image2_md5sum)
}
@classmethod
def setUpClass(cls):
try:
cls.startImageHttpServer()
super().setUpClass()
except BaseException:
cls.stopImageHttpServer()
raise
@classmethod
def tearDownClass(cls):
super().tearDownClass()
cls.stopImageHttpServer()
def tearDown(self):
# clean up the instance for other tests
# 1st remove all images...
......
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