Unified Volume Driver for IBM XIV and IBM DS8K
* Refactored xiv.py to xiv_ds8k.py
* Updated tests
* Updated flags
* Updated compatibility checks
* DocImpact
* Added extend_volume and migrate_volume
implements blueprint ibm-unify-xiv-ds8k
Change-Id: Ifd64fc1dab91ada6fd42a7e92a41361cf220042f
This commit is contained in:
Erik Zaadi
parent
289f2ccba9
commit
77bdcf525e
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@ -25,7 +25,7 @@ CONF = cfg.CONF
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CONF.import_opt('iscsi_num_targets', 'cinder.volume.drivers.lvm')
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CONF.import_opt('policy_file', 'cinder.policy')
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CONF.import_opt('volume_driver', 'cinder.volume.manager')
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CONF.import_opt('xiv_proxy', 'cinder.volume.drivers.xiv')
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CONF.import_opt('xiv_ds8k_proxy', 'cinder.volume.drivers.xiv_ds8k')
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CONF.import_opt('backup_driver', 'cinder.backup.manager')
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def_vol_type = 'fake_vol_type'
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@ -44,5 +44,7 @@ def set_defaults(conf):
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conf.set_default('connection', 'sqlite://', group='database')
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conf.set_default('sqlite_synchronous', False)
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conf.set_default('policy_file', 'cinder/tests/policy.json')
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conf.set_default('xiv_proxy', 'cinder.tests.test_xiv.XIVFakeProxyDriver')
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conf.set_default(
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'xiv_ds8k_proxy',
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'cinder.tests.test_xiv_ds8k.XIVDS8KFakeProxyDriver')
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conf.set_default('backup_driver', 'cinder.tests.backup.fake_service')
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@ -33,7 +33,7 @@ NFS_MODULE = "cinder.volume.drivers.nfs.NfsDriver"
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SOLIDFIRE_MODULE = "cinder.volume.drivers.solidfire.SolidFireDriver"
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STORWIZE_SVC_MODULE = "cinder.volume.drivers.storwize_svc.StorwizeSVCDriver"
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WINDOWS_MODULE = "cinder.volume.drivers.windows.WindowsDriver"
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XIV_MODULE = "cinder.volume.drivers.xiv.XIVDriver"
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XIV_DS8K_MODULE = "cinder.volume.drivers.xiv_ds8k.XIVDS8KDriver"
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ZADARA_MODULE = "cinder.volume.drivers.zadara.ZadaraVPSAISCSIDriver"
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@ -148,11 +148,11 @@ class VolumeDriverCompatibility(test.TestCase):
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def test_xiv_old(self):
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self._load_driver('cinder.volume.xiv.XIVDriver')
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self.assertEquals(self._driver_module_name(), XIV_MODULE)
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self.assertEquals(self._driver_module_name(), XIV_DS8K_MODULE)
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def test_xiv_new(self):
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self._load_driver(XIV_MODULE)
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self.assertEquals(self._driver_module_name(), XIV_MODULE)
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def test_xiv_ds8k_new(self):
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self._load_driver(XIV_DS8K_MODULE)
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self.assertEquals(self._driver_module_name(), XIV_DS8K_MODULE)
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def test_zadara_old(self):
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self._load_driver('cinder.volume.zadara.ZadaraVPSAISCSIDriver')
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@ -1,7 +1,7 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 IBM Corp.
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# Copyright (c) 2012 OpenStack LLC.
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# Copyright 2013 IBM Corp.
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# Copyright (c) 2013 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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@ -27,7 +27,7 @@ from oslo.config import cfg
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from cinder import exception
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from cinder import test
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from cinder.volume import configuration as conf
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from cinder.volume.drivers import xiv
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from cinder.volume.drivers import xiv_ds8k
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FAKE = "fake"
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@ -40,27 +40,30 @@ CONNECTOR = {'initiator': "iqn.2012-07.org.fake:01:948f189c4695", }
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CONF = cfg.CONF
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class XIVFakeProxyDriver(object):
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"""Fake XIV Proxy Driver."""
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class XIVDS8KFakeProxyDriver(object):
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"""Fake IBM XIV and DS8K Proxy Driver."""
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def __init__(self, xiv_info, logger, expt):
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def __init__(self, xiv_ds8k_info, logger, expt, driver=None):
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"""
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Initialize Proxy
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"""
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self.xiv_info = xiv_info
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self.xiv_ds8k_info = xiv_ds8k_info
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self.logger = logger
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self.exception = expt
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self.xiv_portal = \
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self.xiv_iqn = FAKE
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self.xiv_ds8k_portal = \
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self.xiv_ds8k_iqn = FAKE
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self.volumes = {}
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self.driver = driver
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def setup(self, context):
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if self.xiv_info['xiv_user'] != CONF.san_login:
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if self.xiv_ds8k_info['xiv_ds8k_user'] != self.driver\
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.configuration.san_login:
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raise self.exception.NotAuthorized()
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if self.xiv_info['xiv_address'] != CONF.san_ip:
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if self.xiv_ds8k_info['xiv_ds8k_address'] != self.driver\
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.configuration.san_ip:
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raise self.exception.HostNotFound(host='fake')
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def create_volume(self, volume):
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@ -85,14 +88,14 @@ class XIVFakeProxyDriver(object):
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return {'driver_volume_type': 'iscsi',
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'data': {'target_discovered': True,
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'target_discovered': True,
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'target_portal': self.xiv_portal,
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'target_iqn': self.xiv_iqn,
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'target_portal': self.xiv_ds8k_portal,
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'target_iqn': self.xiv_ds8k_iqn,
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'target_lun': lun_id,
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'volume_id': volume['id'],
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'multipath': True,
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'provider_location': "%s,1 %s %s" % (
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self.xiv_portal,
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self.xiv_iqn,
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self.xiv_ds8k_portal,
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self.xiv_ds8k_iqn,
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lun_id), },
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}
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@ -111,41 +114,53 @@ class XIVFakeProxyDriver(object):
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== connector)
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class XIVVolumeDriverTest(test.TestCase):
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"""Test IBM XIV volume driver."""
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class XIVDS8KVolumeDriverTest(test.TestCase):
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"""Test IBM XIV and DS8K volume driver."""
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def setUp(self):
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"""Initialize IVM XIV Driver."""
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super(XIVVolumeDriverTest, self).setUp()
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"""Initialize IBM XIV and DS8K Driver."""
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super(XIVDS8KVolumeDriverTest, self).setUp()
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configuration = mox.MockObject(conf.Configuration)
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configuration.san_is_local = False
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configuration.xiv_ds8k_proxy = \
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'cinder.tests.test_xiv_ds8k.XIVDS8KFakeProxyDriver'
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configuration.xiv_ds8k_connection_type = 'iscsi'
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configuration.san_ip = FAKE
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configuration.san_login = FAKE
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configuration.san_clustername = FAKE
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configuration.san_password = FAKE
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configuration.append_config_values(mox.IgnoreArg())
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self.driver = xiv.XIVDriver(configuration=configuration)
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self.driver = xiv_ds8k.XIVDS8KDriver(configuration=configuration)
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def test_initialized_should_set_xiv_info(self):
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"""Test that the san flags are passed to the XIV proxy."""
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def test_initialized_should_set_xiv_ds8k_info(self):
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"""Test that the san flags are passed to the IBM proxy."""
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self.assertEquals(self.driver.xiv_proxy.xiv_info['xiv_user'],
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CONF.san_login)
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self.assertEquals(self.driver.xiv_proxy.xiv_info['xiv_pass'],
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CONF.san_password)
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self.assertEquals(self.driver.xiv_proxy.xiv_info['xiv_address'],
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CONF.san_ip)
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self.assertEquals(self.driver.xiv_proxy.xiv_info['xiv_vol_pool'],
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CONF.san_clustername)
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self.assertEquals(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_user'],
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self.driver.configuration.san_login)
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self.assertEquals(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_pass'],
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self.driver.configuration.san_password)
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self.assertEquals(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_address'],
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self.driver.configuration.san_ip)
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self.assertEquals(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_vol_pool'],
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self.driver.configuration.san_clustername)
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def test_setup_should_fail_if_credentials_are_invalid(self):
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"""Test that the xiv_proxy validates credentials."""
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"""Test that the xiv_ds8k_proxy validates credentials."""
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self.driver.xiv_proxy.xiv_info['xiv_user'] = 'invalid'
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_user'] = 'invalid'
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self.assertRaises(exception.NotAuthorized, self.driver.do_setup, None)
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def test_setup_should_fail_if_connection_is_invalid(self):
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"""Test that the xiv_proxy validates connection."""
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"""Test that the xiv_ds8k_proxy validates connection."""
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self.driver.xiv_proxy.xiv_info['xiv_address'] = 'invalid'
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_address'] = \
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'invalid'
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self.assertRaises(exception.HostNotFound, self.driver.do_setup, None)
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def test_create_volume(self):
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@ -153,7 +168,7 @@ class XIVVolumeDriverTest(test.TestCase):
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self.driver.do_setup(None)
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self.driver.create_volume(VOLUME)
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has_volume = self.driver.xiv_proxy.volume_exists(VOLUME)
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has_volume = self.driver.xiv_ds8k_proxy.volume_exists(VOLUME)
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self.assertTrue(has_volume)
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self.driver.delete_volume(VOLUME)
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@ -161,7 +176,8 @@ class XIVVolumeDriverTest(test.TestCase):
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"""Test the volume exist method with a volume that doesn't exist."""
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self.driver.do_setup(None)
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self.assertFalse(self.driver.xiv_proxy.volume_exists({'name': FAKE}))
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self.assertFalse(
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self.driver.xiv_ds8k_proxy.volume_exists({'name': FAKE}))
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def test_delete_volume(self):
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"""Verify that a volume is deleted."""
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@ -169,7 +185,7 @@ class XIVVolumeDriverTest(test.TestCase):
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self.driver.do_setup(None)
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self.driver.create_volume(VOLUME)
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self.driver.delete_volume(VOLUME)
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has_volume = self.driver.xiv_proxy.volume_exists(VOLUME)
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has_volume = self.driver.xiv_ds8k_proxy.volume_exists(VOLUME)
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self.assertFalse(has_volume)
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def test_delete_volume_should_fail_for_not_existing_volume(self):
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@ -179,7 +195,7 @@ class XIVVolumeDriverTest(test.TestCase):
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self.driver.delete_volume(VOLUME)
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def test_create_volume_should_fail_if_no_pool_space_left(self):
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"""Vertify that the xiv_proxy validates volume pool space."""
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"""Vertify that the xiv_ds8k_proxy validates volume pool space."""
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self.driver.do_setup(None)
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self.assertRaises(exception.VolumeBackendAPIException,
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@ -196,7 +212,7 @@ class XIVVolumeDriverTest(test.TestCase):
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self.driver.initialize_connection(VOLUME, CONNECTOR)
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self.assertTrue(
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self.driver.xiv_proxy.is_volume_attached(VOLUME, CONNECTOR))
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self.driver.xiv_ds8k_proxy.is_volume_attached(VOLUME, CONNECTOR))
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self.driver.terminate_connection(VOLUME, CONNECTOR)
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self.driver.delete_volume(VOLUME)
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@ -218,8 +234,9 @@ class XIVVolumeDriverTest(test.TestCase):
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self.driver.initialize_connection(VOLUME, CONNECTOR)
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self.driver.terminate_connection(VOLUME, CONNECTOR)
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self.assertFalse(self.driver.xiv_proxy.is_volume_attached(VOLUME,
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CONNECTOR))
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self.assertFalse(self.driver.xiv_ds8k_proxy.is_volume_attached(
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VOLUME,
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CONNECTOR))
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self.driver.delete_volume(VOLUME)
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@ -1,121 +0,0 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 IBM Corp.
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# Copyright (c) 2012 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Authors:
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# Erik Zaadi <erikz@il.ibm.com>
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# Avishay Traeger <avishay@il.ibm.com>
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"""
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Volume driver for IBM XIV storage systems.
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"""
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from oslo.config import cfg
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from cinder import exception
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from cinder.openstack.common import importutils
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from cinder.openstack.common import log as logging
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from cinder.volume.drivers.san import san
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ibm_xiv_opts = [
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cfg.StrOpt('xiv_proxy',
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default='xiv_openstack.nova_proxy.XIVNovaProxy',
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help='Proxy driver'),
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]
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CONF = cfg.CONF
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CONF.register_opts(ibm_xiv_opts)
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LOG = logging.getLogger('cinder.volume.xiv')
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class XIVDriver(san.SanISCSIDriver):
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"""IBM XIV volume driver."""
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def __init__(self, *args, **kwargs):
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"""Initialize the driver."""
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proxy = importutils.import_class(CONF.xiv_proxy)
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self.xiv_proxy = proxy({"xiv_user": CONF.san_login,
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"xiv_pass": CONF.san_password,
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"xiv_address": CONF.san_ip,
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"xiv_vol_pool": CONF.san_clustername},
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LOG,
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exception)
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san.SanISCSIDriver.__init__(self, *args, **kwargs)
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def do_setup(self, context):
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"""Setup and verify IBM XIV storage connection."""
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self.xiv_proxy.setup(context)
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def ensure_export(self, context, volume):
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"""Ensure an export."""
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return self.xiv_proxy.ensure_export(context, volume)
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def create_export(self, context, volume):
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"""Create an export."""
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return self.xiv_proxy.create_export(context, volume)
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def create_volume(self, volume):
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"""Create a volume on the IBM XIV storage system."""
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return self.xiv_proxy.create_volume(volume)
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def delete_volume(self, volume):
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"""Delete a volume on the IBM XIV storage system."""
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self.xiv_proxy.delete_volume(volume)
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def remove_export(self, context, volume):
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"""Disconnect a volume from an attached instance."""
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return self.xiv_proxy.remove_export(context, volume)
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def initialize_connection(self, volume, connector):
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"""Map the created volume."""
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return self.xiv_proxy.initialize_connection(volume, connector)
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def terminate_connection(self, volume, connector, **kwargs):
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"""Terminate a connection to a volume."""
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return self.xiv_proxy.terminate_connection(volume, connector)
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def create_volume_from_snapshot(self, volume, snapshot):
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"""Create a volume from a snapshot."""
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return self.xiv_proxy.create_volume_from_snapshot(volume,
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snapshot)
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def create_snapshot(self, snapshot):
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"""Create a snapshot."""
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return self.xiv_proxy.create_snapshot(snapshot)
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def delete_snapshot(self, snapshot):
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"""Delete a snapshot."""
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return self.xiv_proxy.delete_snapshot(snapshot)
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def get_volume_stats(self, refresh=False):
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"""Get volume stats."""
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return self.xiv_proxy.get_volume_stats(refresh)
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@ -0,0 +1,157 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 IBM Corp.
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# Copyright (c) 2013 OpenStack LLC.
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# All Rights Reserved.
|
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#
|
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
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# not use this file except in compliance with the License. You may obtain
|
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# a copy of the License at
|
||||
#
|
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# http://www.apache.org/licenses/LICENSE-2.0
|
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#
|
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# Unless required by applicable law or agreed to in writing, software
|
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# 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.
|
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#
|
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# Authors:
|
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# Erik Zaadi <erikz@il.ibm.com>
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# Avishay Traeger <avishay@il.ibm.com>
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"""
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Unified Volume driver for IBM XIV and DS8K Storage Systems.
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"""
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from oslo.config import cfg
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from cinder import exception
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from cinder.openstack.common import importutils
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from cinder.openstack.common import log as logging
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from cinder.volume.drivers.san import san
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xiv_ds8k_opts = [
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cfg.StrOpt(
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'xiv_ds8k_proxy',
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default='xiv_ds8k_openstack.nova_proxy.XIVDS8KNovaProxy',
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help='Proxy driver that connects to the IBM Storage Array'),
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cfg.StrOpt(
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'xiv_ds8k_connection_type',
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default='iscsi',
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help='Connection type to the IBM Storage Array'
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' (fibre_channel|iscsi)'),
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]
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CONF = cfg.CONF
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CONF.register_opts(xiv_ds8k_opts)
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LOG = logging.getLogger(__name__)
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|
||||
class XIVDS8KDriver(san.SanDriver):
|
||||
"""Unified IBM XIV and DS8K volume driver."""
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
"""Initialize the driver."""
|
||||
|
||||
super(XIVDS8KDriver, self).__init__(*args, **kwargs)
|
||||
|
||||
self.configuration.append_config_values(xiv_ds8k_opts)
|
||||
|
||||
proxy = importutils.import_class(self.configuration.xiv_ds8k_proxy)
|
||||
|
||||
#NOTE: All Array specific configurations are prefixed with:
|
||||
#"xiv_ds8k_array_"
|
||||
#These additional flags should be specified in the cinder.conf
|
||||
#preferably in each backend configuration.
|
||||
|
||||
self.xiv_ds8k_proxy = proxy(
|
||||
{
|
||||
"xiv_ds8k_user": self.configuration.san_login,
|
||||
"xiv_ds8k_pass": self.configuration.san_password,
|
||||
"xiv_ds8k_address": self.configuration.san_ip,
|
||||
"xiv_ds8k_vol_pool": self.configuration.san_clustername,
|
||||
"xiv_ds8k_connection_type":
|
||||
self.configuration.xiv_ds8k_connection_type
|
||||
},
|
||||
LOG,
|
||||
exception,
|
||||
driver=self)
|
||||
|
||||
def do_setup(self, context):
|
||||
"""Setup and verify IBM XIV and DS8K Storage connection."""
|
||||
|
||||
self.xiv_ds8k_proxy.setup(context)
|
||||
|
||||
def ensure_export(self, context, volume):
|
||||
"""Ensure an export."""
|
||||
|
||||
return self.xiv_ds8k_proxy.ensure_export(context, volume)
|
||||
|
||||
def create_export(self, context, volume):
|
||||
"""Create an export."""
|
||||
|
||||
return self.xiv_ds8k_proxy.create_export(context, volume)
|
||||
|
||||
def create_volume(self, volume):
|
||||
"""Create a volume on the IBM XIV and DS8K Storage system."""
|
||||
|
||||
return self.xiv_ds8k_proxy.create_volume(volume)
|
||||
|
||||
def delete_volume(self, volume):
|
||||
"""Delete a volume on the IBM XIV and DS8K Storage system."""
|
||||
|
||||
self.xiv_ds8k_proxy.delete_volume(volume)
|
||||
|
||||
def remove_export(self, context, volume):
|
||||
"""Disconnect a volume from an attached instance."""
|
||||
|
||||
return self.xiv_ds8k_proxy.remove_export(context, volume)
|
||||
|
||||
def initialize_connection(self, volume, connector):
|
||||
"""Map the created volume."""
|
||||
|
||||
return self.xiv_ds8k_proxy.initialize_connection(volume, connector)
|
||||
|
||||
def terminate_connection(self, volume, connector, **kwargs):
|
||||
"""Terminate a connection to a volume."""
|
||||
|
||||
return self.xiv_ds8k_proxy.terminate_connection(volume, connector)
|
||||
|
||||
def create_volume_from_snapshot(self, volume, snapshot):
|
||||
"""Create a volume from a snapshot."""
|
||||
|
||||
return self.xiv_ds8k_proxy.create_volume_from_snapshot(
|
||||
volume,
|
||||
snapshot)
|
||||
|
||||
def create_snapshot(self, snapshot):
|
||||
"""Create a snapshot."""
|
||||
|
||||
return self.xiv_ds8k_proxy.create_snapshot(snapshot)
|
||||
|
||||
def delete_snapshot(self, snapshot):
|
||||
"""Delete a snapshot."""
|
||||
|
||||
return self.xiv_ds8k_proxy.delete_snapshot(snapshot)
|
||||
|
||||
def get_volume_stats(self, refresh=False):
|
||||
"""Get volume stats."""
|
||||
|
||||
return self.xiv_ds8k_proxy.get_volume_stats(refresh)
|
||||
|
||||
def create_cloned_volume(self, tgt_volume, src_volume):
|
||||
"""Create Cloned Volume."""
|
||||
|
||||
return self.xiv_ds8k_proxy.create_cloned_volume(tgt_volume, src_volume)
|
||||
|
||||
def extend_volume(self, volume, new_size):
|
||||
"""Extend Created Volume."""
|
||||
|
||||
self.xiv_ds8k_proxy.extend_volume(volume, new_size)
|
||||
|
||||
def migrate_volume(self, context, volume, host):
|
||||
"""Migrate the volume to the specified host."""
|
||||
|
||||
return self.xiv_ds8k_proxy.migrate_volume(context, volume, host)
|
||||
|
|
@ -101,7 +101,9 @@ MAPPING = {
|
|||
'cinder.volume.windows.WindowsDriver':
|
||||
'cinder.volume.drivers.windows.WindowsDriver',
|
||||
'cinder.volume.xiv.XIVDriver':
|
||||
'cinder.volume.drivers.xiv.XIVDriver',
|
||||
'cinder.volume.drivers.xiv_ds8k.XIVDS8KDriver',
|
||||
'cinder.volume.drivers.xiv.XIVDriver':
|
||||
'cinder.volume.drivers.xiv_ds8k.XIVDS8KDriver',
|
||||
'cinder.volume.zadara.ZadaraVPSAISCSIDriver':
|
||||
'cinder.volume.drivers.zadara.ZadaraVPSAISCSIDriver',
|
||||
'cinder.volume.driver.ISCSIDriver':
|
||||
|
|
|
|||
File diff suppressed because it is too large
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Reference in New Issue