ceph/src/ceph-volume/ceph_volume/tests/util/test_system.py

   1 import os
   2 import pwd
   3 import getpass
   4 import pytest
   5 from textwrap import dedent
   6 from ceph_volume.util import system
   7
   8
   9 class TestMkdirP(object):
  10
  11     def test_existing_dir_does_not_raise_w_chown(self, monkeypatch, tmpdir):
  12         user = pwd.getpwnam(getpass.getuser())
  13         uid, gid = user[2], user[3]
  14         monkeypatch.setattr(system, 'get_ceph_user_ids', lambda: (uid, gid,))
  15         path = str(tmpdir)
  16         system.mkdir_p(path)
  17         assert os.path.isdir(path)
  18
  19     def test_new_dir_w_chown(self, monkeypatch, tmpdir):
  20         user = pwd.getpwnam(getpass.getuser())
  21         uid, gid = user[2], user[3]
  22         monkeypatch.setattr(system, 'get_ceph_user_ids', lambda: (uid, gid,))
  23         path = os.path.join(str(tmpdir), 'new')
  24         system.mkdir_p(path)
  25         assert os.path.isdir(path)
  26
  27     def test_existing_dir_does_not_raise_no_chown(self, tmpdir):
  28         path = str(tmpdir)
  29         system.mkdir_p(path, chown=False)
  30         assert os.path.isdir(path)
  31
  32     def test_new_dir_no_chown(self, tmpdir):
  33         path = os.path.join(str(tmpdir), 'new')
  34         system.mkdir_p(path, chown=False)
  35         assert os.path.isdir(path)
  36
  37
  38 @pytest.fixture
  39 def fake_proc(tmpdir, monkeypatch):
  40     PROCDIR = str(tmpdir)
  41     proc_path = os.path.join(PROCDIR, 'mounts')
  42     with open(proc_path, 'w') as f:
  43         f.write(dedent("""nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
  44             rootfs / rootfs rw 0 0
  45             sysfs /sys sysfs rw,seclabel,nosuid,nodev,noexec,relatime 0 0
  46             proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
  47             devtmpfs /dev devtmpfs rw,seclabel,nosuid,size=238292k,nr_inodes=59573,mode=755 0 0
  48             securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
  49             tmpfs /dev/shm tmpfs rw,seclabel,nosuid,nodev 0 0
  50             devpts /dev/pts devpts rw,seclabel,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
  51             tmpfs /run tmpfs rw,seclabel,nosuid,nodev,mode=755 0 0
  52             tmpfs /sys/fs/cgroup tmpfs ro,seclabel,nosuid,nodev,noexec,mode=755 0 0
  53             cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 0 0
  54             cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
  55             configfs /sys/kernel/config configfs rw,relatime 0 0
  56             /dev/mapper/VolGroup00-LogVol00 / xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0
  57             selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0
  58             debugfs /sys/kernel/debug debugfs rw,relatime 0 0
  59             hugetlbfs /dev/hugepages hugetlbfs rw,seclabel,relatime 0 0
  60             mqueue /dev/mqueue mqueue rw,seclabel,relatime 0 0
  61             sunrpc /far/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0
  62             /dev/sde4 /two/field/path
  63             nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
  64             /dev/sde2 /boot xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0
  65             tmpfs /far/lib/ceph/osd/ceph-5 tmpfs rw,seclabel,relatime 0 0
  66             tmpfs /far/lib/ceph/osd/ceph-7 tmpfs rw,seclabel,relatime 0 0
  67             /dev/sda1 /far/lib/ceph/osd/ceph-0 xfs rw,seclabel,noatime,attr2,inode64,noquota 0 0
  68             tmpfs /run/user/1000 tmpfs rw,seclabel,nosuid,nodev,relatime,size=50040k,mode=700,uid=1000,gid=1000 0 0
  69             /dev/sdc2 /boot xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0
  70             tmpfs /run/user/1000 tmpfs rw,seclabel,mode=700,uid=1000,gid=1000 0 0"""))
  71     monkeypatch.setattr(system, 'PROCDIR', PROCDIR)
  72     monkeypatch.setattr(os.path, 'exists', lambda x: True)
  73
  74
  75 class TestPathIsMounted(object):
  76
  77     def test_is_mounted(self, fake_proc):
  78         assert system.path_is_mounted('/boot') is True
  79
  80     def test_is_not_mounted(self, fake_proc):
  81         assert system.path_is_mounted('/far/fib/feph') is False
  82
  83     def test_is_not_mounted_at_destination(self, fake_proc):
  84         assert system.path_is_mounted('/boot', destination='/dev/sda1') is False
  85
  86     def test_is_mounted_at_destination(self, fake_proc):
  87         assert system.path_is_mounted('/boot', destination='/dev/sdc2') is True
  88
  89
  90 class TestDeviceIsMounted(object):
  91
  92     def test_is_mounted(self, fake_proc):
  93         assert system.device_is_mounted('/dev/sda1') is True
  94
  95     def test_path_is_not_device(self, fake_proc):
  96         assert system.device_is_mounted('/far/lib/ceph/osd/ceph-7') is False
  97
  98     def test_is_not_mounted_at_destination(self, fake_proc):
  99         assert system.device_is_mounted('/dev/sda1', destination='/far/lib/ceph/osd/test-1') is False
 100
 101     def test_is_mounted_at_destination(self, fake_proc):
 102         assert system.device_is_mounted('/dev/sda1', destination='/far/lib/ceph/osd/ceph-7') is False
 103
 104     def test_is_realpath_dev_mounted_at_destination(self, fake_proc, monkeypatch):
 105         monkeypatch.setattr(system.os.path, 'realpath', lambda x: '/dev/sda1' if 'foo' in x else x)
 106         result = system.device_is_mounted('/dev/maper/foo', destination='/far/lib/ceph/osd/ceph-0')
 107         assert result is True
 108
 109     def test_is_realpath_path_mounted_at_destination(self, fake_proc, monkeypatch):
 110         monkeypatch.setattr(
 111             system.os.path, 'realpath',
 112             lambda x: '/far/lib/ceph/osd/ceph-0' if 'symlink' in x else x)
 113         result = system.device_is_mounted('/dev/sda1', destination='/symlink/lib/ceph/osd/ceph-0')
 114         assert result is True
 115
 116
 117 class TestGetMounts(object):
 118
 119     def test_not_mounted(self, tmpdir, monkeypatch):
 120         PROCDIR = str(tmpdir)
 121         proc_path = os.path.join(PROCDIR, 'mounts')
 122         with open(proc_path, 'w') as f:
 123             f.write('')
 124         monkeypatch.setattr(system, 'PROCDIR', PROCDIR)
 125         assert system.get_mounts() == {}
 126
 127     def test_is_mounted_(self, fake_proc):
 128         result = system.get_mounts()
 129         assert result['/dev/sdc2'] == ['/boot']
 130
 131     def test_ignores_two_fields(self, fake_proc):
 132         result = system.get_mounts()
 133         assert result.get('/dev/sde4') is None
 134
 135     def test_tmpfs_is_reported(self, fake_proc):
 136         result = system.get_mounts()
 137         assert result['tmpfs'][0] == '/dev/shm'
 138
 139     def test_non_skip_devs_arent_reported(self, fake_proc):
 140         result = system.get_mounts()
 141         assert result.get('cgroup') is None
 142
 143     def test_multiple_mounts_are_appended(self, fake_proc):
 144         result = system.get_mounts()
 145         assert len(result['tmpfs']) == 7
 146
 147     def test_nonexistent_devices_are_skipped(self, tmpdir, monkeypatch):
 148         PROCDIR = str(tmpdir)
 149         proc_path = os.path.join(PROCDIR, 'mounts')
 150         with open(proc_path, 'w') as f:
 151             f.write(dedent("""nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
 152                     /dev/sda1 /far/lib/ceph/osd/ceph-0 xfs rw,attr2,inode64,noquota 0 0
 153                     /dev/sda2 /far/lib/ceph/osd/ceph-1 xfs rw,attr2,inode64,noquota 0 0"""))
 154         monkeypatch.setattr(system, 'PROCDIR', PROCDIR)
 155         monkeypatch.setattr(os.path, 'exists', lambda x: False if x == '/dev/sda1' else True)
 156         result = system.get_mounts()
 157         assert result.get('/dev/sda1') is None
 158
 159
 160 class TestIsBinary(object):
 161
 162     def test_is_binary(self, tmpfile):
 163         binary_path = tmpfile(contents='asd\n\nlkjh\x00')
 164         assert system.is_binary(binary_path)
 165
 166     def test_is_not_binary(self, tmpfile):
 167         binary_path = tmpfile(contents='asd\n\nlkjh0')
 168         assert system.is_binary(binary_path) is False