552 lines
18 KiB
Python
552 lines
18 KiB
Python
#
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# Copyright 2016 Cray Inc. All 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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import copy
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import json
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import os
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import tempfile
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from bareon import tests_functional
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from bareon.tests_functional import utils
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class DataRetentionTestCase(tests_functional.TestCase):
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def setUp(self):
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super(DataRetentionTestCase, self).setUp()
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self.images = [
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{
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"name": "test",
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"boot": True,
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"target": "/",
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"image_pull_url": "",
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}
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]
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self.golden_image_schema = [
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{
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"type": "disk",
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"id": {
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"type": "name",
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"value": "vda"
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},
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"size": "10000 MiB",
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"volumes": [
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{
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"images": [
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"test"
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],
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"type": "partition",
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"mount": "/",
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"file_system": "ext4",
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"size": "4000 MiB",
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"name": "test1"
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},
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{
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"images": [
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"test"
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],
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"type": "partition",
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"mount": "swap",
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"file_system": "swap",
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"size": "2000 MiB",
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"name": "swap"
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},
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{
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"images": [
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"test"
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],
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"type": "partition",
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"mount": "/usr",
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"file_system": "ext4",
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"size": "3900 MiB",
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"name": "test2"
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}
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]
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}
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]
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self.golden_image_parted_output = """
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Model: Virtio Block Device (virtblk)
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Disk /dev/vda: 11.8GB
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Sector size (logical/physical): 512B/512B
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Partition Table: gpt
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Disk Flags:
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Number Start End Size File system Name Flags
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1 1049kB 26.2MB 25.2MB primary bios_grub
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2 26.2MB 4221MB 4194MB ext4 primary
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3 4221MB 6318MB 2097MB linux-swap(v1) primary
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4 6318MB 10.4GB 4089MB ext4 primary
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Model: Virtio Block Device (virtblk)
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Disk /dev/vdb: 106MB
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Sector size (logical/physical): 512B/512B
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Partition Table: loop
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Disk Flags:
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Number Start End Size File system Flags
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1 0.00B 106MB 106MB ext4
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"""
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def _assert_vda_equal_to_goldenimage(self, node):
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self._assert_vda_root_equal_to_goldenimage(node)
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self._assert_vda_usr_equal_to_goldenimage(node)
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def _assert_vda_root_equal_to_goldenimage(self, node):
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"""Roughly checking that "/" partition not changed"""
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actual_vda = node.read_file("/dev/vda2", "etc/centos-release")
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expected_vda = "CentOS Linux release 7.1.1503 (Core)"
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utils.assertNoDiff(expected_vda, actual_vda)
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def _assert_vda_usr_equal_to_goldenimage(self, node):
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"""Roughly checking that "/usr" partition not changed"""
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actual_vda = node.read_file("/dev/vda4", "share/centos-release/EULA")
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expected_vda = """
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CentOS-7 EULA
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CentOS-7 comes with no guarantees or warranties of any sorts,
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either written or implied.
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The Distribution is released as GPLv2. Individual packages in the
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distribution come with their own licences. A copy of the GPLv2 license
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is included with the distribution media.
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"""
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utils.assertNoDiff(expected_vda, actual_vda)
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def _assert_vdb_equal_to_goldenimage(self, node):
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"""Checking that vdb golden image contents are not erased"""
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actual_vdb = node.read_file("/dev/vdb", "test-content")
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expected_vdb = "test content"
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utils.assertNoDiff(expected_vdb, actual_vdb)
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def test_verify_policy_match(self):
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deploy_conf = {
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"partitions": self.golden_image_schema,
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"partitions_policy": "verify"
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}
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.setup(node_template="data_retention.xml",
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deploy_config=deploy_conf)
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node = self.env.node
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node.run_cmd('bareon-partition --data_driver ironic '
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'--deploy_driver swift --debug',
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check_ret_code=True,
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get_bareon_log=True)
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# Expectations:
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# - all partitions on all disks must stay untouched
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# - vdb must stay untouched (because it didn't mention in schema)
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actual = node.run_cmd('parted -l')[0]
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expected = self.golden_image_parted_output
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utils.assertNoDiff(expected, actual)
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self._assert_vda_equal_to_goldenimage(node)
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self._assert_vdb_equal_to_goldenimage(node)
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def test_verify_policy_match_with_unlabelled_disk(self):
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deploy_conf = {
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"partitions": self.golden_image_schema,
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"partitions_policy": "verify"
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}
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.init_unlabelled_disk()
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self.env.setup('data_retention_with_unlabelled_disk.xml', deploy_conf)
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node = self.env.node
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node.run_cmd(
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'bareon-partition --debug '
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'--data_driver ironic --deploy_driver swift',
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check_ret_code=True, get_bareon_log=True)
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# Expectations:
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# - all partitions on all disks must stay untouched
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# - vdb must stay untouched (because it didn't mention in schema)
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actual = node.run_cmd('parted -l')[0]
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expected = """
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Model: Virtio Block Device (virtblk)
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Disk /dev/vda: 11.8GB
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Sector size (logical/physical): 512B/512B
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Partition Table: gpt
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Disk Flags:
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Number Start End Size File system Name Flags
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1 1049kB 26.2MB 25.2MB primary bios_grub
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2 26.2MB 4221MB 4194MB ext4 primary
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3 4221MB 6318MB 2097MB linux-swap(v1) primary
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4 6318MB 10.4GB 4089MB ext4 primary
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Model: Virtio Block Device (virtblk)
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Disk /dev/vdb: 106MB
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Sector size (logical/physical): 512B/512B
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Partition Table: loop
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Disk Flags:
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Number Start End Size File system Flags
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1 0.00B 106MB 106MB ext4
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Model: Virtio Block Device (virtblk)
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Disk /dev/vdc: 1049kB
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Sector size (logical/physical): 512B/512B
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Partition Table: unknown
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Disk Flags:
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""" # noqa
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utils.assertNoDiff(expected, actual)
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self._assert_vda_equal_to_goldenimage(node)
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self._assert_vdb_equal_to_goldenimage(node)
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def test_verify_policy_match_blank_primary(self):
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"""HDD not mentioned in schema must stay untouched
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Deploy an image to /dev/vdb, with a second disk, not mentioned in
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the deploy schema, containing a blank primary partition located
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at /dev/vda.
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"""
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deploy_conf = {
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"partitions": self.golden_image_schema,
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"partitions_policy": "verify"
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}
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deploy_conf['partitions'][0]['id']['value'] = 'vdb'
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.setup('data_retention_blank_primary.xml', deploy_conf)
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node = self.env.node
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node.run_cmd(
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'bareon-partition --debug '
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'--data_driver ironic --deploy_driver swift',
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check_ret_code=True, get_bareon_log=True)
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# Expectations:
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# - all partitions on all disks must stay untouched
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actual = node.run_cmd('parted -l')[0]
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expected = """
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Model: Virtio Block Device (virtblk)
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Disk /dev/vda: 5243kB
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Sector size (logical/physical): 512B/512B
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Partition Table: gpt
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Disk Flags:
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Number Start End Size File system Name Flags
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1 17.4kB 5226kB 5209kB ext4 primary
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Model: Virtio Block Device (virtblk)
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Disk /dev/vdb: 11.8GB
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Sector size (logical/physical): 512B/512B
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Partition Table: gpt
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Disk Flags:
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Number Start End Size File system Name Flags
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1 1049kB 26.2MB 25.2MB primary bios_grub
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2 26.2MB 4221MB 4194MB ext4 primary
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3 4221MB 6318MB 2097MB linux-swap(v1) primary
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4 6318MB 10.4GB 4089MB ext4 primary
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"""
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utils.assertNoDiff(expected, actual)
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def test_verify_policy_mismatch_extra_partition_in_schema(self):
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deploy_conf = {
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"partitions": copy.deepcopy(self.golden_image_schema),
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"partitions_policy": "verify"
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}
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deploy_conf['partitions'][0]['volumes'].append({
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"images": ["test"],
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"mount": "/tmp",
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"type": "partition",
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"file_system": "ext3",
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"size": "2000"
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})
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.setup(node_template="data_retention.xml",
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deploy_config=deploy_conf)
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node = self.env.node
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out, ret_code = node.run_cmd(
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'bareon-partition --data_driver ironic '
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'--deploy_driver swift --debug',
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get_bareon_log=True)
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self.assertEqual(255, ret_code)
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# Expectations:
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# - all partitions on all disks must stay untouched
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actual = node.run_cmd('parted -l')[0]
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expected = self.golden_image_parted_output
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utils.assertNoDiff(expected, actual)
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self._assert_vda_equal_to_goldenimage(node)
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self._assert_vdb_equal_to_goldenimage(node)
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def test_verify_policy_mismatch_extra_partition_on_hw(self):
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deploy_conf = {
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"partitions": copy.deepcopy(self.golden_image_schema),
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"partitions_policy": "verify"
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}
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deploy_conf['partitions'][0]['volumes'].pop()
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.setup(node_template="data_retention.xml",
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deploy_config=deploy_conf)
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node = self.env.node
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out, ret_code = node.run_cmd(
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'bareon-partition --data_driver ironic '
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'--deploy_driver swift --debug',
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get_bareon_log=True)
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self.assertEqual(255, ret_code)
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# Expectations:
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# - all partitions on all disks must stay untouched
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actual = node.run_cmd('parted -l')[0]
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expected = self.golden_image_parted_output
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utils.assertNoDiff(expected, actual)
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self._assert_vda_equal_to_goldenimage(node)
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self._assert_vdb_equal_to_goldenimage(node)
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def test_verify_policy_match_and_clean_one_of_filesystems(self):
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deploy_conf = {
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"partitions": copy.deepcopy(self.golden_image_schema),
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"partitions_policy": "verify"
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}
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usr_partition = deploy_conf['partitions'][0]['volumes'][2]
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usr_partition['keep_data'] = False
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self.assertEqual('/usr', usr_partition['mount'])
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.setup(node_template="data_retention.xml",
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deploy_config=deploy_conf)
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node = self.env.node
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node.run_cmd('bareon-partition --data_driver ironic '
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'--deploy_driver swift --debug',
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get_bareon_log=True)
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# Expectations:
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# - all partitions on all disks must stay untouched
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# - File system on /dev/vda4 must be recreated
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actual = node.run_cmd('parted -l')[0]
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expected = self.golden_image_parted_output
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utils.assertNoDiff(expected, actual)
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self._assert_vda_root_equal_to_goldenimage(node)
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out, ret_code = node.run_cmd('mount -t ext4 /dev/vda4 /mnt && '
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'ls /mnt && '
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'umount /mnt')
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utils.assertNoDiff("lost+found", out)
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self._assert_vdb_equal_to_goldenimage(node)
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def test_verify_policy_preserve_fstab(self):
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image = 'centos-7.1.1503.fpa_func_test.raw'
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deploy_conf = {
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'partitions_policy': 'clean',
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'partitions': [
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{
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"type": "disk",
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"id": {
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"type": "name",
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"value": "vda"
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},
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"size": "10000 MiB",
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"volumes": [
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{
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"images": [image],
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"type": "partition",
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"mount": "/",
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"file_system": "ext4",
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"size": "4000 MiB",
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"name": "test1"
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}
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]
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}
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]
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}
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.patch_config_images(deploy_conf, image)
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self.env.setup('data_retention.xml', deploy_conf)
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node = self.env.node
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node.run_cmd(
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'bareon-provision --debug '
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'--data_driver ironic --deploy_driver swift',
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check_ret_code=True, get_bareon_log=True)
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extra_record = 'ftest-tmp /var/run tmpfs nodev,nosuid,noexec 0 0\n'
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prefix = '/tmp/target'
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fstab = os.path.join(prefix, 'etc/fstab')
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node.run_cmd('mount /dev/vda2 {}'.format(prefix), check_ret_code=True)
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with tempfile.NamedTemporaryFile() as tmp:
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node.get_file(fstab, tmp.name)
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tmp.seek(0, os.SEEK_END)
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tmp.write('\n')
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tmp.write(extra_record)
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tmp.flush()
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node.put_file(tmp.name, fstab)
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with tempfile.NamedTemporaryFile() as tmp:
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node.get_file('/tmp/provision.json', tmp.name)
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tmp.seek(0, os.SEEK_SET)
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deploy_conf = json.load(tmp)
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deploy_conf['partitions_policy'] = 'verify'
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tmp.seek(0, os.SEEK_SET)
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tmp.truncate()
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json.dump(deploy_conf, tmp)
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tmp.flush()
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node.put_file(tmp.name, '/tmp/provision.json')
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node.run_cmd('umount {}'.format(prefix), check_ret_code=True)
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node.run_cmd(
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'bareon-provision --debug '
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'--data_driver ironic --deploy_driver swift',
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check_ret_code=True, get_bareon_log=True)
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node.run_cmd('mount /dev/vda2 {}'.format(prefix), check_ret_code=True)
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with tempfile.NamedTemporaryFile() as tmp:
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node.get_file(fstab, tmp.name)
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tmp.seek(0, os.SEEK_SET)
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payload = tmp.readlines()
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self.assertIn(extra_record, payload)
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def test_clean_policy(self):
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deploy_conf = {
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"partitions": [
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{
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"type": "disk",
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"id": {
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"type": "name",
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"value": "vda"
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},
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"size": "10000",
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"volumes": [
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{
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"images": [
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"test"
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],
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"type": "partition",
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"mount": "/",
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"file_system": "ext3",
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"size": "6000",
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"name": "test1"
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}
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]
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}
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],
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"partitions_policy": "clean"
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}
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self.env.patch_config_images(deploy_conf, 'test')
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self.env.setup(node_template="data_retention.xml",
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deploy_config=deploy_conf)
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node = self.env.node
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node.run_cmd('bareon-partition --data_driver ironic '
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'--deploy_driver swift --debug',
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check_ret_code=True,
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get_bareon_log=True)
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# Expectations:
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# - vda is the only disk with changed partitions schema
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actual = node.run_cmd('parted -l')[0]
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expected = """
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Model: Virtio Block Device (virtblk)
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Disk /dev/vda: 11.8GB
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Sector size (logical/physical): 512B/512B
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Partition Table: gpt
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Disk Flags:
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Number Start End Size File system Name Flags
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1 1049kB 26.2MB 25.2MB primary bios_grub
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2 26.2MB 6318MB 6291MB ext3 primary
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Model: Virtio Block Device (virtblk)
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Disk /dev/vdb: 106MB
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Sector size (logical/physical): 512B/512B
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Partition Table: loop
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Disk Flags:
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Number Start End Size File system Flags
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1 0.00B 106MB 106MB ext4
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"""
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utils.assertNoDiff(expected, actual)
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self._assert_vdb_equal_to_goldenimage(node)
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def test_clean_policy_disk_too_small(self):
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"""Deploy to a disk which is too small for the schema
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The bareon must throw exception, explains the lack of space on target
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HDD.
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"""
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deploy_conf = {
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"partitions": [
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{
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"type": "disk",
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"id": {
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"type": "name",
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"value": "vdb"
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},
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"size": "150",
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"volumes": [
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{
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"images": [
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"test"
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],
|
|
"type": "partition",
|
|
"mount": "/",
|
|
"file_system": "ext3",
|
|
"size": "100",
|
|
"name": "test1"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"partitions_policy": "clean"
|
|
}
|
|
|
|
self.env.patch_config_images(deploy_conf, 'test')
|
|
self.env.setup(node_template="data_retention.xml",
|
|
deploy_config=deploy_conf)
|
|
node = self.env.node
|
|
|
|
# Expectations:
|
|
# - all partitions on all disks must stay untouched
|
|
# - exit code is 255
|
|
out, ret_code = node.run_cmd(
|
|
'bareon-partition --data_driver ironic '
|
|
'--deploy_driver swift --debug',
|
|
check_ret_code=False, get_bareon_log=True)
|
|
self.assertEqual(255, ret_code)
|
|
self._assert_vdb_equal_to_goldenimage(node)
|