def _get_driver_code(self):
"""
CP driver, compare versions, allow local code to be updated with version from current package
"""
version = OpenStackManagement._get_version()
remote_driver = "/opt/OpenvStorage/config/templates/cinder-volume-driver/%s/openvstorage.py" % version
existing_version = OpenStackManagement._get_existing_driver_version()
remote_version = OpenStackManagement._get_remote_driver_version(
remote_driver)
if self.is_devstack:
cinder_base_path = OpenStackManagement._get_base_path('cinder')
local_driver = '{0}/volume/drivers/openvstorage.py'.format(
cinder_base_path)
elif self.is_openstack:
driver_location = OSManager.get_openstack_package_base_path()
local_driver = '{0}/cinder/volume/drivers/openvstorage.py'.format(
driver_location)
else:
raise ValueError('OpenStack or DevStack only')
if remote_version > existing_version:
logger.debug(
'Updating existing driver using {0} from version {1} to version {2}'
.format(remote_driver, existing_version, remote_version))
if self.is_devstack:
self.client.run(
'cp -f {0} /opt/stack/cinder/cinder/volume/drivers'.format(
remote_driver))
elif self.is_openstack:
self.client.run('cp -f {0} {1}'.format(remote_driver,
local_driver))
else:
logger.debug('Using driver {0} version {1}'.format(
local_driver, existing_version))
def __init__(self, cinder_client):
self.client = SSHClient('127.0.0.1', username='******')
self.cinder_client = cinder_client
self._NOVA_CONF = '/etc/nova/nova.conf'
self._CINDER_CONF = '/etc/cinder/cinder.conf'
self._is_openstack = ServiceManager.has_service(OSManager.get_openstack_cinder_service_name(), self.client)
self._nova_installed = self.client.file_exists(self._NOVA_CONF)
self._cinder_installed = self.client.file_exists(self._CINDER_CONF)
self._driver_location = OSManager.get_openstack_package_base_path()
self._openstack_users = OSManager.get_openstack_users()
self._devstack_driver = '/opt/stack/cinder/cinder/volume/drivers/openvstorage.py'
try:
self._is_devstack = 'stack' in str(self.client.run('ps aux | grep SCREEN | grep stack | grep -v grep || true'))
except SystemExit: # ssh client raises system exit 1
self._is_devstack = False
except Exception:
self._is_devstack = False
try:
from cinder import version
version_string = version.version_string()
if version_string.startswith('2015.2') or version_string.startswith('7.0'):
self._stack_version = 'liberty'
elif version_string.startswith('2015.1'):
self._stack_version = 'kilo'
elif version_string.startswith('2014.2'):
self._stack_version = 'juno'
else:
raise ValueError('Unsupported cinder version: {0}'.format(version_string))
except Exception as ex:
raise ValueError('Cannot determine cinder version: {0}'.format(ex))
def _get_driver_code(self):
"""
CP driver, compare versions, allow local code to be updated with version from current package
"""
version = OpenStackManagement._get_version()
remote_driver = "/opt/OpenvStorage/config/templates/cinder-volume-driver/%s/openvstorage.py" % version
existing_version = OpenStackManagement._get_existing_driver_version()
remote_version = OpenStackManagement._get_remote_driver_version(remote_driver)
if self.is_devstack:
cinder_base_path = OpenStackManagement._get_base_path('cinder')
local_driver = '{0}/volume/drivers/openvstorage.py'.format(cinder_base_path)
elif self.is_openstack:
driver_location = OSManager.get_openstack_package_base_path()
local_driver = '{0}/cinder/volume/drivers/openvstorage.py'.format(driver_location)
else:
raise ValueError('OpenStack or DevStack only')
if remote_version > existing_version:
logger.debug('Updating existing driver using {0} from version {1} to version {2}'.format(remote_driver, existing_version, remote_version))
if self.is_devstack:
self.client.run('cp -f {0} /opt/stack/cinder/cinder/volume/drivers'.format(remote_driver))
elif self.is_openstack:
self.client.run('cp -f {0} {1}'.format(remote_driver, local_driver))
else:
logger.debug('Using driver {0} version {1}'.format(local_driver, existing_version))
def __init__(self, cinder_client):
self._logger = LogHandler.get('extensions', name='openstack_mgmt')
self.client = SSHClient('127.0.0.1', username='******')
self.cinder_client = cinder_client
self._NOVA_CONF = '/etc/nova/nova.conf'
self._CINDER_CONF = '/etc/cinder/cinder.conf'
self._is_openstack = ServiceManager.has_service(
OSManager.get_openstack_cinder_service_name(), self.client)
self._nova_installed = self.client.file_exists(self._NOVA_CONF)
self._cinder_installed = self.client.file_exists(self._CINDER_CONF)
self._driver_location = OSManager.get_openstack_package_base_path()
self._openstack_users = OSManager.get_openstack_users()
self._devstack_driver = '/opt/stack/cinder/cinder/volume/drivers/openvstorage.py'
try:
self._is_devstack = 'stack' in str(
self.client.run(
'ps aux | grep SCREEN | grep stack | grep -v grep || true')
)
except SystemExit: # ssh client raises system exit 1
self._is_devstack = False
except Exception:
self._is_devstack = False
try:
from cinder import version
version_string = version.version_string()
if version_string.startswith('9.0'):
self._stack_version = 'newton'
elif version_string.startswith('8.0'):
self._stack_version = 'mitaka'
elif version_string.startswith(
'2015.2') or version_string.startswith('7.0'):
self._stack_version = 'liberty'
elif version_string.startswith('2015.1'):
self._stack_version = 'kilo'
elif version_string.startswith('2014.2'):
self._stack_version = 'juno'
else:
raise ValueError(
'Unsupported cinder version: {0}'.format(version_string))
except Exception as ex:
raise ValueError('Cannot determine cinder version: {0}'.format(ex))
def _apply_patches(self):
nova_base_path = OpenStackManagement._get_base_path('nova')
cinder_base_path = OpenStackManagement._get_base_path('cinder')
version = OpenStackManagement._get_version()
# fix "blockdev" issue
if self.is_devstack:
nova_volume_file = '{0}/virt/libvirt/volume.py'.format(
nova_base_path)
nova_driver_file = '{0}/virt/libvirt/driver.py'.format(
nova_base_path)
cinder_brick_initiator_file = '{0}/brick/initiator/connector.py'.format(
cinder_base_path)
elif self.is_openstack:
driver_location = OSManager.get_openstack_package_base_path()
nova_volume_file = '{0}/nova/virt/libvirt/volume.py'.format(
driver_location)
nova_driver_file = '{0}/nova/virt/libvirt/driver.py'.format(
driver_location)
cinder_brick_initiator_file = '{0}/cinder/brick/initiator/connector.py'.format(
driver_location)
else:
raise ValueError('OpenStack or DevStack only')
self.client.run("""python -c "
import os
version = '%s'
nova_volume_file = '%s'
nova_driver_file = '%s'
with open(nova_volume_file, 'r') as f:
file_contents = f.readlines()
new_class = '''
class LibvirtFileVolumeDriver(LibvirtBaseVolumeDriver):
def __init__(self, connection):
super(LibvirtFileVolumeDriver,
self).__init__(connection, is_block_dev=False)
def get_config(self, connection_info, disk_info):
conf = super(LibvirtFileVolumeDriver,
self).get_config(connection_info, disk_info)
conf.source_type = 'file'
conf.source_path = connection_info['data']['device_path']
return conf
'''
patched = False
for line in file_contents:
if 'class LibvirtFileVolumeDriver(LibvirtBaseVolumeDriver):' in line:
patched = True
break
if not patched:
fc = None
for line in file_contents[:]:
if line.startswith('class LibvirtVolumeDriver(LibvirtBaseVolumeDriver):'):
fc = file_contents[:file_contents.index(line)] + [l+'\\n' for l in new_class.split('\\n')] + file_contents[file_contents.index(line):]
break
if fc is not None:
with open(nova_volume_file, 'w') as f:
f.writelines(fc)
with open(nova_driver_file, 'r') as f:
file_contents = f.readlines()
patched = False
for line in file_contents:
if 'file=nova.virt.libvirt.volume.LibvirtFileVolumeDriver' in line:
patched = True
break
if not patched:
fc = None
for line in file_contents[:]:
if 'local=nova.virt.libvirt.volume.LibvirtVolumeDriver' in line:
fc = file_contents[:file_contents.index(line)] + [''' 'file=nova.virt.libvirt.volume.LibvirtFileVolumeDriver',\\n'''] + file_contents[file_contents.index(line):]
break
if fc is not None:
with open(nova_driver_file, 'w') as f:
f.writelines(fc)
" """ % (version, nova_volume_file, nova_driver_file))
# fix brick/upload to glance
if os.path.exists(cinder_brick_initiator_file):
self.client.run(
"""sed -i 's/elif protocol == "LOCAL":/elif protocol in ["LOCAL", "FILE"]:/g' %s"""
% cinder_brick_initiator_file)
def _apply_patches(self):
nova_base_path = OpenStackManagement._get_base_path('nova')
cinder_base_path = OpenStackManagement._get_base_path('cinder')
version = OpenStackManagement._get_version()
# fix "blockdev" issue
if self.is_devstack:
nova_volume_file = '{0}/virt/libvirt/volume.py'.format(nova_base_path)
nova_driver_file = '{0}/virt/libvirt/driver.py'.format(nova_base_path)
cinder_brick_initiator_file = '{0}/brick/initiator/connector.py'.format(cinder_base_path)
elif self.is_openstack:
driver_location = OSManager.get_openstack_package_base_path()
nova_volume_file = '{0}/nova/virt/libvirt/volume.py'.format(driver_location)
nova_driver_file = '{0}/nova/virt/libvirt/driver.py'.format(driver_location)
cinder_brick_initiator_file = '{0}/cinder/brick/initiator/connector.py'.format(driver_location)
else:
raise ValueError('OpenStack or DevStack only')
self.client.run("""python -c "
import os
version = '%s'
nova_volume_file = '%s'
nova_driver_file = '%s'
with open(nova_volume_file, 'r') as f:
file_contents = f.readlines()
new_class = '''
class LibvirtFileVolumeDriver(LibvirtBaseVolumeDriver):
def __init__(self, connection):
super(LibvirtFileVolumeDriver,
self).__init__(connection, is_block_dev=False)
def get_config(self, connection_info, disk_info):
conf = super(LibvirtFileVolumeDriver,
self).get_config(connection_info, disk_info)
conf.source_type = 'file'
conf.source_path = connection_info['data']['device_path']
return conf
'''
patched = False
for line in file_contents:
if 'class LibvirtFileVolumeDriver(LibvirtBaseVolumeDriver):' in line:
patched = True
break
if not patched:
fc = None
for line in file_contents[:]:
if line.startswith('class LibvirtVolumeDriver(LibvirtBaseVolumeDriver):'):
fc = file_contents[:file_contents.index(line)] + [l+'\\n' for l in new_class.split('\\n')] + file_contents[file_contents.index(line):]
break
if fc is not None:
with open(nova_volume_file, 'w') as f:
f.writelines(fc)
with open(nova_driver_file, 'r') as f:
file_contents = f.readlines()
patched = False
for line in file_contents:
if 'file=nova.virt.libvirt.volume.LibvirtFileVolumeDriver' in line:
patched = True
break
if not patched:
fc = None
for line in file_contents[:]:
if 'local=nova.virt.libvirt.volume.LibvirtVolumeDriver' in line:
fc = file_contents[:file_contents.index(line)] + [''' 'file=nova.virt.libvirt.volume.LibvirtFileVolumeDriver',\\n'''] + file_contents[file_contents.index(line):]
break
if fc is not None:
with open(nova_driver_file, 'w') as f:
f.writelines(fc)
" """ % (version, nova_volume_file, nova_driver_file))
# fix brick/upload to glance
if os.path.exists(cinder_brick_initiator_file):
self.client.run("""sed -i 's/elif protocol == "LOCAL":/elif protocol in ["LOCAL", "FILE"]:/g' %s""" % cinder_brick_initiator_file)
