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openstack/ironic-lib/0004-Filesystem-creation-implementation.patch
Grzegorz Grasza (xek) 5681ac9203 system_installer filesystem creation implementation
2018-03-23 16:39:32 +01:00

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From 4f94cd430c04626adcd6ccd761be87dac5c7d337 Mon Sep 17 00:00:00 2001
From: "Grzegorz Grasza (xek)" <grzegorz.grasza@intel.com>
Date: Thu, 11 Jan 2018 16:56:01 +0100
Subject: [PATCH 04/11] Filesystem creation implementation
Co-Authored-By: Grzegorz Grasza <grzegorz.grasza@intel.com>
Co-Authored-By: Marta Mucek <marta.mucek@intel.com>
---
ironic_lib/system_installer/filesystemsetup.py | 139 +++++++++++++-
ironic_lib/tests/examples/example_efi.yaml | 23 +++
.../examples/example_preserve_filesystem.yaml | 47 +++++
ironic_lib/tests/test_examples.py | 4 +
ironic_lib/tests/test_filesystemsetup.py | 205 +++++++++++++++++++++
5 files changed, 415 insertions(+), 3 deletions(-)
create mode 100644 ironic_lib/tests/examples/example_efi.yaml
create mode 100644 ironic_lib/tests/examples/example_preserve_filesystem.yaml
create mode 100644 ironic_lib/tests/test_filesystemsetup.py
diff --git a/ironic_lib/system_installer/filesystemsetup.py b/ironic_lib/system_installer/filesystemsetup.py
index 6ed64d6..20040f8 100644
--- a/ironic_lib/system_installer/filesystemsetup.py
+++ b/ironic_lib/system_installer/filesystemsetup.py
@@ -13,7 +13,17 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+import json
+import os
+import re
+
+from ironic_lib import utils
+from oslo_log import log
+
from ironic_lib.system_installer.base import Setup
+from ironic_lib.system_installer import exceptions
+
+LOG = log.getLogger()
class FilesystemSetup(Setup):
@@ -30,14 +40,137 @@ class FilesystemSetup(Setup):
return True
return False
+ def validate_conf(self):
+ if not self.get_boot_partition():
+ raise exceptions.ConfError(
+ 'No boot partition found in provided config')
+
+ def validate_env(self):
+ for disk in self.conf.values():
+ fstype = disk.get('fstype', 'xfs')
+ if fstype != 'swap' and not self._cmd_exists('mkfs.' + fstype):
+ raise exceptions.EnvError('No mkfs.' + fstype)
+
+ def setup_disks(self, devices):
+ for disk_name, disk in self.conf.items():
+ fstype = disk.get('fstype', 'xfs')
+ device = devices.get(disk_name, disk_name)
+ if not disk.get('preserve', False):
+ if fstype == 'swap':
+ out, err = utils.execute('mkswap', device)
+ else:
+ if fstype in ['xfs', 'btrfs']:
+ force = '-f'
+ else:
+ force = ''
+ out, err = utils.execute(
+ 'yes | mkfs.{fstype} {force} {opts} {dev}'.format(
+ fstype=fstype, force=force,
+ opts=disk.get('mkfsopts', ''), dev=device),
+ shell=True)
+ LOG.debug("mkfs stdout: {}".format(out))
+ LOG.debug("mkfs stderr: {}".format(err))
+ if disk.get('label'):
+ self._set_partlabel(device, disk['label'], fstype)
+ else:
+ self._set_partlabel(device, disk_name, fstype)
+
+ return devices
+
+ def _set_partlabel(self, device, label, fstype):
+ mapping = {'swap': ['swaplabel', '-L', label, device],
+ 'ext2': ['e2label', device, label],
+ 'ext3': ['e2label', device, label],
+ 'ext4': ['e2label', device, label],
+ 'xfs': ['xfs_admin', '-L', label, device],
+ 'vfat': ['fatlabel', device, label],
+ 'ntfs': ['ntfslabel', device, label],
+ 'btrfs': ['btrfs', 'filesystem', 'label', device, label],
+ 'jfs': ['jfs_tune', '-L', label, device],
+ 'reiserfs': ['reiserfstune', '-l', label, device]}
+ if fstype in mapping:
+ cmd = mapping[fstype]
+ else: # try making partition label
+ device, number = re.match('(.+)(\d+)', device).groups()
+ cmd = ['parted', device, '-s', '--', 'name', number, label]
+ utils.execute(*cmd)
+
def get_disks_by_labels(self):
- return {}
+ drives_json, err = utils.execute(
+ 'lsblk', '-Jlo', 'NAME,LABEL,PARTLABEL,TYPE')
+ blockdevices = json.loads(drives_json)['blockdevices']
+ partitions = {}
+ for d in blockdevices:
+ if d['partlabel']:
+ if d['type'] == 'lvm':
+ partitions[d['partlabel']] = '/dev/' +\
+ d['name'].replace('-', '/', 1)
+ else:
+ partitions[d['partlabel']] = '/dev/' + d['name']
+
+ for d in blockdevices: # overwrite with filesystem labels
+ if d['label']:
+ if d['type'] == 'lvm':
+ partitions[d['label']] = '/dev/' +\
+ d['name'].replace('-', '/', 1)
+ else:
+ partitions[d['label']] = '/dev/' + d['name']
+
+ devices = {}
+ try:
+ for disk_name, disk in self.conf.items():
+ if disk.get('label'):
+ label = disk['label']
+ else:
+ label = disk_name
+ devices[disk_name] = partitions[label]
+ except KeyError as e:
+ raise exceptions.EnvError('Preserve flag set, but device with'
+ ' "{}" label not found.'.format(*e.args))
+ return devices
+
+ @staticmethod
+ def _cmd_exists(cmd):
+ return any(
+ os.access(os.path.join(path, cmd), os.X_OK)
+ for path in os.environ["PATH"].split(os.pathsep)
+ )
def is_efi_boot(self):
+ for name, disk in self.conf.items():
+ if disk.get('mountpoint') == '/boot/efi' \
+ or 'efi' == disk.get('label', '').lower():
+ return True
return False
def get_boot_partition(self):
- pass # TODO(xek)
+ for name, disk in self.conf.items():
+ if disk.get('mountpoint') == '/boot/efi' \
+ or 'efi' == disk.get('label', '').lower():
+ return name
+ for name, disk in self.conf.items():
+ if 'boot' == disk.get('label', '').lower():
+ return name
+ for name, disk in self.conf.items():
+ if disk.get('mountpoint') == '/boot':
+ return name
+ for name, disk in self.conf.items():
+ if disk.get('mountpoint') == '/' \
+ or disk.get('label') == '/':
+ return name
def get_fstype(self, label):
- return '' # TODO(xek)
+ """Return a partition filesystem type.
+
+ Valid types are: ext2, fat32, fat16, HFS, linux-swap, NTFS, reiserfs,
+ ufs, but not all of these are returned here.
+
+ Default is blank ('').
+ """
+ mapping = {
+ 'vfat': 'fat32',
+ 'swap': 'linux-swap',
+ 'ntfs': 'NTFS'
+ }
+ fstype = self.conf.get(label, {}).get('fstype')
+ return mapping.get(fstype, '')
diff --git a/ironic_lib/tests/examples/example_efi.yaml b/ironic_lib/tests/examples/example_efi.yaml
new file mode 100644
index 0000000..fe774d9
--- /dev/null
+++ b/ironic_lib/tests/examples/example_efi.yaml
@@ -0,0 +1,23 @@
+disk_config:
+ partition_table: gpt
+ blockdev:
+ sda:
+ candidates:
+ serial: 55cd2e404c02bac5
+ partitions:
+ d0p1:
+ size: 550M
+ d0p2:
+ size: 550M
+ d0p3:
+ minsize: 2G
+ filesystems:
+ d0p1:
+ mountpoint: /boot/efi
+ label: /boot/efi
+ fstype: vfat
+ d0p2:
+ label: /boot
+ mountpoint: /boot
+ d0p3:
+ mountpoint: /
diff --git a/ironic_lib/tests/examples/example_preserve_filesystem.yaml b/ironic_lib/tests/examples/example_preserve_filesystem.yaml
new file mode 100644
index 0000000..d573d35
--- /dev/null
+++ b/ironic_lib/tests/examples/example_preserve_filesystem.yaml
@@ -0,0 +1,47 @@
+disk_config:
+ partition_table: gpt
+ blockdev:
+ sda:
+ candidates: any
+ partitions:
+ d0p1:
+ size: 512M
+ d0p2:
+ minsize: 2G
+ lvm:
+ sys:
+ LVs:
+ home:
+ minsize: 1G
+ root:
+ size: 10G
+ swap:
+ size: memsize
+ var:
+ size: 4G
+ tmp:
+ size: 4G
+ PVs:
+ - d0p2
+ filesystems:
+ d0p1:
+ label: boot
+ mountpoint: /boot
+ fstype: ext3
+ preserve: 1
+ home:
+ mountpoint: /home
+ fstype: btrfs
+ preserve: 1
+ root:
+ mountpoint: /
+ swap:
+ fstype: swap
+ preserve: 1
+ var:
+ mountpoint: /var
+ fstype: vfat
+ preserve: 1
+ tmp:
+ mountpoint: /tmp
+ fstype: ext4
diff --git a/ironic_lib/tests/test_examples.py b/ironic_lib/tests/test_examples.py
index e69bc2d..499aa1c 100644
--- a/ironic_lib/tests/test_examples.py
+++ b/ironic_lib/tests/test_examples.py
@@ -78,3 +78,7 @@ class SystemInstallerExamplesTestCase(test_base.BaseTestCase):
y = SystemInstaller(
open(EXAMPLES_DIR + 'megacli_partitions.yaml').read())
y.validate_conf()
+
+ def test_example_efi(self):
+ y = SystemInstaller(open(EXAMPLES_DIR + 'example_efi.yaml').read())
+ y.validate_conf()
diff --git a/ironic_lib/tests/test_filesystemsetup.py b/ironic_lib/tests/test_filesystemsetup.py
new file mode 100644
index 0000000..cc3444a
--- /dev/null
+++ b/ironic_lib/tests/test_filesystemsetup.py
@@ -0,0 +1,205 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# 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.
+
+import unittest
+
+import mock
+
+from ironic_lib.system_installer import exceptions
+from ironic_lib.system_installer import filesystemsetup
+
+
+class FilesystemSetupTestCase(unittest.TestCase):
+
+ def test_validate_conf(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'sda': {
+ 'mountpoint': '/boot',
+ 'label': 'boot'}}})
+ filesystem_setup.validate_conf()
+
+ def test_validate_conf_error(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'sda': {}}})
+ with self.assertRaises(exceptions.ConfError):
+ filesystem_setup.validate_conf()
+
+ def test_get_src_names(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {}, 'home': {}}})
+ self.assertEqual(set(filesystem_setup.get_src_names()),
+ set(['boot', 'home']))
+
+ def test_validate_env(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'fstype': 'ext2'},
+ 'home': {'fstype': 'ext3'}}})
+ filesystem_setup.validate_env()
+
+ def test_validate_env_match_fail(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'fstype': 'foo'}, 'home': {}}})
+ with self.assertRaises(exceptions.EnvError):
+ filesystem_setup.validate_env()
+
+ def test_get_boot_partition(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot'},
+ 'root': {'mountpoint': '/'}}})
+ self.assertEqual(filesystem_setup.get_boot_partition(), 'boot')
+
+ def test_get_boot_partition_efi(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot'},
+ 'uefi': {'mountpoint': '/boot/efi'},
+ 'root': {'mountpoint': '/'}}})
+ self.assertEqual(filesystem_setup.get_boot_partition(), 'uefi')
+
+ def test_get_boot_partition_root(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'sda1': {'mountpoint': '/',
+ 'label': 'test'}}})
+ self.assertEqual(filesystem_setup.get_boot_partition(), 'sda1')
+
+ def test_get_boot_partition_boot(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'sda1': {'mountpoint': '/boot',
+ 'label': 'boot'},
+ 'sda2': {'mountpoint': '/'}}})
+ self.assertEqual(filesystem_setup.get_boot_partition(), 'sda1')
+
+ def test_get_boot_partition_none(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {}})
+ self.assertIsNone(filesystem_setup.get_boot_partition())
+
+ def test_get_fstype(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot'},
+ 'uefi': {'mountpoint': '/boot/efi',
+ 'fstype': 'vfat'},
+ 'swap': {'fstype': 'swap'},
+ 'root': {'mountpoint': '/',
+ 'fstype': 'ext4'},
+ 'opt': {'fstype': 'ntfs'}}})
+ self.assertEqual(filesystem_setup.get_fstype('boot'), '')
+ self.assertEqual(filesystem_setup.get_fstype('root'), '')
+ self.assertEqual(filesystem_setup.get_fstype('uefi'), 'fat32')
+ self.assertEqual(filesystem_setup.get_fstype('swap'), 'linux-swap')
+ self.assertEqual(filesystem_setup.get_fstype('opt'), 'NTFS')
+
+ def test_setup_disks(self):
+ with mock.patch('ironic_lib.utils.execute',
+ return_value=('', 0)) as exe_mock:
+
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot',
+ 'mkfsopts': 'foo',
+ 'fstype': 'ext3'},
+ 'home': {'mountpoint': '/home'},
+ 'tmp': {'mountpoint': '/tmp',
+ 'fstype': 'ext4'},
+ 'var': {'mountpoint': '/var',
+ 'fstype': 'btrfs'},
+ 'opt': {'mountpoint': '/opt',
+ 'fstype': 'vfat'}}})
+ filesystem_setup.setup_disks({})
+ exe_mock.assert_any_call('yes | mkfs.xfs -f home', shell=True)
+ exe_mock.assert_any_call('yes | mkfs.ext3 foo boot', shell=True)
+ exe_mock.assert_any_call('yes | mkfs.ext4 tmp', shell=True)
+ exe_mock.assert_any_call('yes | mkfs.btrfs -f var', shell=True)
+ exe_mock.assert_any_call('yes | mkfs.vfat opt', shell=True)
+
+ def test_set_partlabel(self):
+ with mock.patch('ironic_lib.utils.execute',
+ return_value=('', 0)) as exe_mock:
+
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot',
+ 'fstype': 'ext2'},
+ 'home': {'mountpoint': '/home'},
+ 'test': {'fstype': 'xfs',
+ 'mountpoint': '/opt'}}})
+ filesystem_setup.setup_disks({})
+ exe_mock.assert_any_call('e2label', 'boot', 'boot')
+ exe_mock.assert_any_call('xfs_admin', '-L', 'home', 'home')
+ exe_mock.assert_any_call('xfs_admin', '-L', 'test', 'test')
+
+ def test_has_preserve(self):
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot',
+ 'fstype': 'ext2'},
+ 'home': {'mountpoint': '/home'},
+ 'test': {'fstype': 'xfs',
+ 'mountpoint': '/opt'}}})
+ self.assertFalse(filesystem_setup.has_preserve())
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot',
+ 'fstype': 'ext2'},
+ 'home': {'mountpoint': '/home'},
+ 'test': {'fstype': 'xfs',
+ 'preserve': 1,
+ 'mountpoint': '/opt'}}})
+ self.assertTrue(filesystem_setup.has_preserve())
+
+ def test_get_disk_by_labels(self):
+
+ def execute_result(command, *args, **kwargs):
+ if command == 'lsblk':
+ return ("""{
+ "blockdevices": [
+ {"name": "loop0", "label": null, "partlabel": null, "type": "disk"},
+ {"name": "loop1", "label": null, "partlabel": null, "type": "disk"},
+ {"name": "sda", "label": null, "partlabel": null, "type": "disk"},
+ {"name": "sda1", "label": null,
+ "partlabel": "EFI System Partition","type": "disk"},
+ {"name": "sda2", "label": null, "partlabel": null, "type": "disk"},
+ {"name": "sda3", "label": null, "partlabel": null,"type": "disk"},
+ {"name": "sda3_crypt", "label": null, "partlabel": null, "type": "disk"},
+ {"name": "xubuntu--vg-root", "label": "home",
+ "partlabel": null, "type": "disk"},
+ {"name": "xubuntu--vg-swap_1", "label": "test",
+ "partlabel": null, "type": "disk"},
+ {"name": "sys-tmp", "label": "tmp", "partlabel": null, "type": "lvm"}
+ ]
+}""", '')
+ return ('', '')
+
+ with mock.patch('ironic_lib.utils.execute',
+ side_effect=execute_result):
+
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot',
+ 'fstype': 'ext2',
+ 'label': "EFI System Partition"},
+ 'home': {'mountpoint': '/home'},
+ 'test': {'fstype': 'xfs',
+ 'preserve': 1,
+ 'mountpoint': '/opt'}}})
+ self.assertDictEqual({'test': u'/dev/xubuntu--vg-swap_1',
+ 'home': u'/dev/xubuntu--vg-root',
+ 'boot': u'/dev/sda1'},
+ filesystem_setup.get_disks_by_labels())
+ filesystem_setup = filesystemsetup.FilesystemSetup(
+ {'filesystems': {'boot': {'mountpoint': '/boot',
+ 'fstype': 'ext2',
+ 'label': "EFI System Partition"},
+ 'extra': {},
+ 'home': {'mountpoint': '/home'},
+ 'test': {'fstype': 'xfs',
+ 'preserve': 1,
+ 'mountpoint': '/opt'}}})
+ with self.assertRaises(exceptions.EnvError):
+ filesystem_setup.get_disks_by_labels()
--
2.14.1
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