Merge "Do not conjecture volume-id from iscsi_name"
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@ -34,7 +34,8 @@ class TestBaseISCSITargetDriver(tf.TargetDriverFixture):
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self.target = fake.FakeTarget(root_helper=utils.get_root_helper(),
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configuration=self.configuration)
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self.target.db = mock.MagicMock(
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volume_get=lambda x, y: {'provider_auth': 'CHAP otzL 234Z'})
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volume_get=mock.MagicMock(return_value={'provider_auth':
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'CHAP otzL 234Z'}))
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def test_abc_methods_not_present_fails(self):
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configuration = conf.Configuration(cfg.StrOpt('iscsi_target_prefix',
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@ -161,4 +162,6 @@ class TestBaseISCSITargetDriver(tf.TargetDriverFixture):
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ctxt = context.get_admin_context()
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self.assertEqual(('otzL', '234Z'),
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self.target._get_target_chap_auth(ctxt,
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self.test_vol))
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self.testvol))
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self.target.db.volume_get.assert_called_once_with(
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ctxt, self.testvol['id'])
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@ -192,7 +192,7 @@ class ISCSITarget(driver.Target):
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# Verify we haven't setup a CHAP creds file already
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# if DNE no big deal, we'll just create it
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chap_auth = self._get_target_chap_auth(context, iscsi_name)
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chap_auth = self._get_target_chap_auth(context, volume)
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if not chap_auth:
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chap_auth = (vutils.generate_username(),
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vutils.generate_password())
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@ -251,7 +251,7 @@ class ISCSITarget(driver.Target):
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# Verify we haven't setup a CHAP creds file already
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# if DNE no big deal, we'll just create it
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chap_auth = self._get_target_chap_auth(context, iscsi_name)
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chap_auth = self._get_target_chap_auth(context, volume)
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if not chap_auth:
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LOG.info(_LI("Skipping ensure_export. No iscsi_target "
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"provision for volume: %s"), volume['id'])
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@ -321,17 +321,16 @@ class ISCSITarget(driver.Target):
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if tid is None:
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raise exception.NotFound()
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def _get_target_chap_auth(self, context, iscsi_name):
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def _get_target_chap_auth(self, context, volume):
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"""Get the current chap auth username and password."""
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try:
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# 'iscsi_name': 'iqn.2010-10.org.openstack:volume-00000001'
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vol_id = iscsi_name.split(':volume-')[1]
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volume_info = self.db.volume_get(context, vol_id)
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# Query DB to get latest state of volume
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volume_info = self.db.volume_get(context, volume['id'])
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# 'provider_auth': 'CHAP user_id password'
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if volume_info['provider_auth']:
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return tuple(volume_info['provider_auth'].split(' ', 3)[1:])
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except exception.NotFound:
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LOG.debug('Failed to get CHAP auth from DB for %s.', vol_id)
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LOG.debug('Failed to get CHAP auth from DB for %s.', volume['id'])
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@abc.abstractmethod
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def _get_target_and_lun(self, context, volume):
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@ -392,7 +391,7 @@ class SanISCSITarget(ISCSITarget):
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def _get_target_and_lun(self, context, volume):
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pass
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def _get_target_chap_auth(self, context, iscsi_name):
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def _get_target_chap_auth(self, context, volume):
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pass
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def create_iscsi_target(self, name, tid, lun, path,
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@ -236,13 +236,22 @@ class SCSTAdm(iscsi.ISCSITarget):
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return "%s:%s,%s %s %s" % (ip, self.configuration.iscsi_port,
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target, iqn, lun)
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def _get_iscsi_name(self, volume):
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if self.target_name is None:
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return "%s%s" % (self.configuration.iscsi_target_prefix,
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volume['name'])
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else:
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return self.target_name
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def _get_iscsi_target(self, context, vol_id):
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# FIXME(jdg): Need to implement abc method
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pass
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def _get_target_chap_auth(self, context, iscsi_name):
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def _get_target_chap_auth(self, context, volume):
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# FIXME(jdg): Need to implement abc method
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iscsi_name = self._get_iscsi_name(volume)
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if self._get_target(iscsi_name) is None:
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return None
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(out, _err) = self.scst_execute('-list_tgt_attr', iscsi_name,
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@ -262,16 +271,12 @@ class SCSTAdm(iscsi.ISCSITarget):
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def ensure_export(self, context, volume, volume_path):
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iscsi_target, lun = self._get_target_and_lun(context, volume)
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if self.target_name is None:
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iscsi_name = "%s%s" % (self.configuration.iscsi_target_prefix,
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volume['name'])
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else:
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iscsi_name = self.target_name
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iscsi_name = self._get_iscsi_name(volume)
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if self.chap_username and self.chap_password:
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chap_auth = (self.chap_username, self.chap_password)
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else:
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chap_auth = self._get_target_chap_auth(context, iscsi_name)
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chap_auth = self._get_target_chap_auth(context, volume)
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self.create_iscsi_target(iscsi_name, volume['id'], iscsi_target,
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lun, volume_path, chap_auth)
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@ -279,16 +284,12 @@ class SCSTAdm(iscsi.ISCSITarget):
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def create_export(self, context, volume, volume_path):
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"""Creates an export for a logical volume."""
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iscsi_target, lun = self._get_target_and_lun(context, volume)
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if self.target_name is None:
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iscsi_name = "%s%s" % (self.configuration.iscsi_target_prefix,
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volume['name'])
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else:
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iscsi_name = self.target_name
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iscsi_name = self._get_iscsi_name(volume)
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if self.chap_username and self.chap_password:
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chap_auth = (self.chap_username, self.chap_password)
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else:
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chap_auth = self._get_target_chap_auth(context, iscsi_name)
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chap_auth = self._get_target_chap_auth(context, volume)
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if not chap_auth:
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chap_auth = (vutils.generate_username(),
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vutils.generate_password())
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