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How to use can_sudo method in avocado

Best Python code snippet using avocado_python

test_utils_partition.py

Source:test_utils_partition.py

...22    Common setUp/tearDown for partition tests23    """24    @unittest.skipIf(not os.path.isfile('/proc/mounts'),25                     'system does not have /proc/mounts')26    @unittest.skipIf(not process.can_sudo('mount'),27                     'current user must be allowed to run "mount" under sudo')28    @unittest.skipIf(not process.can_sudo('mkfs.ext2 -V'),29                     'current user must be allowed to run "mkfs.ext2" under '30                     'sudo')31    @unittest.skipIf(os.getenv('TRAVIS') and32                     os.getenv('TRAVIS_CPU_ARCH') in ['arm64', 'ppc64le', 's390x'],33                     'TRAVIS Environment is unsuitable for these tests')34    def setUp(self):35        prefix = temp_dir_prefix(__name__, self, 'setUp')36        self.tmpdir = tempfile.TemporaryDirectory(prefix=prefix)37        self.mountpoint = os.path.join(self.tmpdir.name, "disk")38        os.mkdir(self.mountpoint)39        self.disk = partition.Partition(os.path.join(self.tmpdir.name, "block"), 1,40                                        self.mountpoint)41    def tearDown(self):42        self.disk.unmount()43        self.tmpdir.cleanup()44class TestPartition(Base):45    def test_basic(self):46        """ Test the basic workflow """47        self.assertIsNone(self.disk.get_mountpoint())48        self.disk.mkfs()49        self.disk.mount()50        with open("/proc/mounts") as proc_mounts_file:51            proc_mounts = proc_mounts_file.read()52        self.assertIn(self.mountpoint, proc_mounts)53        self.assertEqual(self.mountpoint, self.disk.get_mountpoint())54        self.disk.unmount()55        with open("/proc/mounts") as proc_mounts_file:56            proc_mounts = proc_mounts_file.read()57        self.assertNotIn(self.mountpoint, proc_mounts)58class TestPartitionMkfsMount(Base):59    """60    Tests that assume a filesystem and mounted partition61    """62    def setUp(self):63        super(TestPartitionMkfsMount, self).setUp()64        self.disk.mkfs()65        self.disk.mount()66        self.use_mnt_file = os.path.join(self.mountpoint, 'file')67        self.use_mnt_cmd = ("%s -c 'import time; f = open(\"%s\", \"w\"); "68                            "time.sleep(60)'" % (sys.executable,69                                                 self.use_mnt_file))70    def run_process_to_use_mnt(self):71        proc = process.SubProcess(self.use_mnt_cmd, sudo=True)72        proc.start()73        self.assertTrue(wait.wait_for(lambda: os.path.exists(self.use_mnt_file),74                                      timeout=1, first=0.1, step=0.1),75                        "File was not created within mountpoint")76        return proc77    @unittest.skipIf(missing_binary('lsof'), "requires running lsof")78    @unittest.skipIf(not process.can_sudo(sys.executable + " -c ''"),79                     "requires running Python as a privileged user")80    @unittest.skipIf(not process.can_sudo('kill -l'),81                     "requires running kill as a privileged user")82    def test_force_unmount(self):83        """ Test force-unmount feature """84        with open("/proc/mounts") as proc_mounts_file:85            proc_mounts = proc_mounts_file.read()86        self.assertIn(self.mountpoint, proc_mounts)87        proc = self.run_process_to_use_mnt()88        self.assertTrue(self.disk.unmount())89        # Process should return -9, or when sudo is used90        # return code is 13791        self.assertIn(proc.poll(), [-9, 137],92                      "Unexpected return code when trying to kill process "93                      "using the mountpoint")94        with open("/proc/mounts") as proc_mounts_file:95            proc_mounts = proc_mounts_file.read()96        self.assertNotIn(self.mountpoint, proc_mounts)97    @unittest.skipIf(not process.can_sudo(sys.executable + " -c ''"),98                     "requires running Python as a privileged user")99    @unittest.skipUnless(missing_binary('lsof'), "requires not having lsof")100    def test_force_unmount_no_lsof(self):101        """ Checks that a force-unmount will fail on systems without lsof """102        with open("/proc/mounts") as proc_mounts_file:103            proc_mounts = proc_mounts_file.read()104        self.assertIn(self.mountpoint, proc_mounts)105        proc = self.run_process_to_use_mnt()106        self.assertRaises(partition.PartitionError, self.disk.unmount)107        proc.wait(timeout=1)108    @unittest.skipIf(not process.can_sudo(sys.executable + " -c ''"),109                     "requires running Python as a privileged user")110    def test_force_unmount_get_pids_fail(self):111        """ Checks PartitionError is raised if there's no lsof to get pids """112        with open("/proc/mounts") as proc_mounts_file:113            proc_mounts = proc_mounts_file.read()114        self.assertIn(self.mountpoint, proc_mounts)115        proc = self.run_process_to_use_mnt()116        with unittest.mock.patch('avocado.utils.partition.process.run',117                                 side_effect=process.CmdError):118            with unittest.mock.patch('avocado.utils.partition.process.system_output',119                                     side_effect=OSError) as mocked_system_output:120                self.assertRaises(partition.PartitionError, self.disk.unmount)121                mocked_system_output.assert_called_with('lsof ' + self.mountpoint,122                                                        sudo=True)...

ocp_check.py

Source:ocp_check.py

1# coding: utf-82# OceanBase Deploy.3# Copyright (C) 2021 OceanBase4#5# This file is part of OceanBase Deploy.6#7# OceanBase Deploy is free software: you can redistribute it and/or modify8# it under the terms of the GNU General Public License as published by9# the Free Software Foundation, either version 3 of the License, or10# (at your option) any later version.11#12# OceanBase Deploy is distributed in the hope that it will be useful,13# but WITHOUT ANY WARRANTY; without even the implied warranty of14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the15# GNU General Public License for more details.16#17# You should have received a copy of the GNU General Public License18# along with OceanBase Deploy.  If not, see <https://www.gnu.org/licenses/>.19from __future__ import absolute_import, division, print_function20from _rpm import Version21def ocp_check(plugin_context, ocp_version, cursor, new_cluster_config=None, new_clients=None, *args, **kwargs):22    cluster_config = new_cluster_config if new_cluster_config else plugin_context.cluster_config23    clients = new_clients if new_clients else plugin_context.clients24    stdio = plugin_context.stdio25    26    is_admin = True27    can_sudo = True28    only_one = True29    30    min_version = Version('3.1.1')31    max_version = min_version32    ocp_version = Version(ocp_version)33    if ocp_version < min_version:34        stdio.error('The current plugin version does not support OCP V%s' % ocp_version)35        return36    if ocp_version > max_version:37        stdio.warn('The plugin library does not support OCP V%s. The takeover requirements are not applicable to the current check.' % ocp_version)38    for server in cluster_config.servers:39        client = clients[server]40        if is_admin and client.config.username != 'admin':41            is_admin = False42            stdio.error('The current user must be the admin user. Run the edit-config command to modify the user.username field')43        if can_sudo and not client.execute_command('sudo whoami'):44            can_sudo = False45            stdio.error('The user must have the privilege to run sudo commands without a password.')46        if not client.execute_command('bash -c "if [ `pgrep obproxy | wc -l` -gt 1 ]; then exit 1; else exit 0;fi;"'):47            only_one = False48            stdio.error('%s Multiple OBProxies exist.' % server)49    if is_admin and can_sudo and only_one:50        stdio.print('Configurations of the OBProxy can be taken over by OCP after they take effect.' if new_cluster_config else 'Configurations of the OBProxy can be taken over by OCP.')...

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