ceph/src/ceph-volume/ceph_volume/tests/devices/lvm/strategies/test_validate.py

   1 import pytest
   2 from ceph_volume.util import disk
   3 from ceph_volume.devices.lvm.strategies import validators
   4
   5
   6 class TestMinimumDeviceSize(object):
   7
   8     def test_size_is_larger_than_5gb(self, fakedevice):
   9         devices = [fakedevice(sys_api=dict(size=6073740000))]
  10         assert validators.minimum_device_size(devices) is None
  11
  12     def test_size_is_smaller_than_5gb(self, fakedevice):
  13         devices = [fakedevice(sys_api=dict(size=1073740000))]
  14         with pytest.raises(RuntimeError) as error:
  15             validators.minimum_device_size(devices)
  16         msg = "LVs would be smaller than 5GB"
  17         assert msg in str(error)
  18
  19     def test_large_device_multiple_osds_fails(self, fakedevice):
  20         devices = [fakedevice(sys_api=dict(size=6073740000))]
  21         with pytest.raises(RuntimeError) as error:
  22             validators.minimum_device_size(
  23                 devices, osds_per_device=4
  24             )
  25         msg = "LVs would be smaller than 5GB"
  26         assert msg in str(error)
  27
  28
  29 class TestMinimumCollocatedDeviceSize(object):
  30
  31     def setup(self):
  32         self.journal_size = disk.Size(gb=5)
  33
  34     def test_size_is_larger_than_5gb_large_journal(self, fakedevice):
  35         devices = [fakedevice(sys_api=dict(size=6073740000))]
  36         assert validators.minimum_device_collocated_size(devices, disk.Size(mb=1)) is None
  37
  38     def test_size_is_larger_than_5gb_large_journal_fails(self, fakedevice):
  39         devices = [fakedevice(sys_api=dict(size=1073740000))]
  40         with pytest.raises(RuntimeError) as error:
  41             validators.minimum_device_collocated_size(devices, self.journal_size)
  42         msg = "LVs would be smaller than 5GB"
  43         assert msg in str(error)
  44
  45     def test_large_device_multiple_osds_fails(self, fakedevice):
  46         devices = [fakedevice(sys_api=dict(size=16073740000))]
  47         with pytest.raises(RuntimeError) as error:
  48             validators.minimum_device_collocated_size(
  49                 devices, self.journal_size, osds_per_device=3
  50             )
  51         msg = "LVs would be smaller than 5GB"
  52         assert msg in str(error)