209 lines
7.5 KiB
Python
209 lines
7.5 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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'''Tests for the maasdriver calculate_bytes routine.'''
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import pytest
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import math
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from drydock_provisioner import error
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from drydock_provisioner.drivers.node.maasdriver.actions.node import ApplyNodeStorage
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from drydock_provisioner.drivers.node.maasdriver.models.blockdev import BlockDevice
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from drydock_provisioner.drivers.node.maasdriver.models.volumegroup import VolumeGroup
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class TestCalculateBytes():
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def test_calculate_m_label(self):
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'''Convert megabyte labels to x * 10^6 bytes.'''
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size_str = '15m'
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drive_size = 20 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000
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def test_calculate_mb_label(self):
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'''Convert megabyte labels to x * 10^6 bytes.'''
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size_str = '15mb'
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drive_size = 20 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000
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def test_calculate_M_label(self):
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'''Convert megabyte labels to x * 10^6 bytes.'''
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size_str = '15M'
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drive_size = 20 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000
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def test_calculate_MB_label(self):
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'''Convert megabyte labels to x * 10^6 bytes.'''
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size_str = '15MB'
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drive_size = 20 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000
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def test_calculate_g_label(self):
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'''Convert gigabyte labels to x * 10^9 bytes.'''
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size_str = '15g'
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drive_size = 20 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000
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def test_calculate_gb_label(self):
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'''Convert gigabyte labels to x * 10^9 bytes.'''
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size_str = '15gb'
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drive_size = 20 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000
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def test_calculate_G_label(self):
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'''Convert gigabyte labels to x * 10^9 bytes.'''
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size_str = '15G'
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drive_size = 20 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000
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def test_calculate_GB_label(self):
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'''Convert gigabyte labels to x * 10^9 bytes.'''
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size_str = '15GB'
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drive_size = 20 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000
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def test_calculate_t_label(self):
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'''Convert terabyte labels to x * 10^12 bytes.'''
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size_str = '15t'
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drive_size = 20 * 1000 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000 * 1000
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def test_calculate_tb_label(self):
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'''Convert terabyte labels to x * 10^12 bytes.'''
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size_str = '15tb'
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drive_size = 20 * 1000 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000 * 1000
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def test_calculate_T_label(self):
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'''Convert terabyte labels to x * 10^12 bytes.'''
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size_str = '15T'
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drive_size = 20 * 1000 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000 * 1000
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def test_calculate_TB_label(self):
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'''Convert terabyte labels to x * 10^12 bytes.'''
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size_str = '15TB'
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drive_size = 20 * 1000 * 1000 * 1000 * 1000
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == 15 * 1000 * 1000 * 1000 * 1000
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def test_calculate_percent_blockdev(self):
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'''Convert a percent of total blockdev space to explicit byte count.'''
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drive_size = 20 * 1000 * 1000 # 20 mb drive
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part_size = math.floor(.2 * drive_size) # calculate 20% of drive size
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size_str = '20%'
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drive = BlockDevice(None, size=drive_size, available_size=drive_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=drive)
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assert calc_size == part_size
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def test_calculate_percent_vg(self):
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'''Convert a percent of total blockdev space to explicit byte count.'''
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vg_size = 20 * 1000 * 1000 # 20 mb drive
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lv_size = math.floor(.2 * vg_size) # calculate 20% of drive size
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size_str = '20%'
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vg = VolumeGroup(None, size=vg_size, available_size=vg_size)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=vg)
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assert calc_size == lv_size
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def test_calculate_overprovision(self):
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'''When calculated space is higher than available space, raise an exception.'''
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vg_size = 20 * 1000 * 1000 # 20 mb drive
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vg_available = 10 # 10 bytes available
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size_str = '80%'
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vg = VolumeGroup(None, size=vg_size, available_size=vg_available)
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with pytest.raises(error.NotEnoughStorage):
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ApplyNodeStorage.calculate_bytes(size_str=size_str, context=vg)
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def test_calculate_min_label(self):
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'''Adding the min marker '>' should provision all available space.'''
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vg_size = 20 * 1000 * 1000 # 20 mb drive
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vg_available = 15 * 1000 * 1000
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size_str = '>10%'
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vg = VolumeGroup(None, size=vg_size, available_size=vg_available)
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calc_size = ApplyNodeStorage.calculate_bytes(
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size_str=size_str, context=vg)
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assert calc_size == vg_available
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