zfs_autobackup/tests/test_verify.py

103 lines
4.7 KiB
Python

from basetest import *
# test zfs-verify:
# - when there is no common snapshot at all
# - when encryption key not loaded
# - --test mode
# - --fs-compare methods
# - on snapshots of datasets:
# - that are correct
# - that are different
# - on snapshots of zvols
# - that are correct
# - that are different
# - test all directions (local, remote/local, local/remote, remote/remote)
#
class TestZfsVerify(unittest2.TestCase):
def setUp(self):
self.skipTest("WIP")
prepare_zpools()
#create actual test files and data
shelltest("zfs create test_source1/fs1/ok_filesystem")
shelltest("cp tests/*.py /test_source1/fs1/ok_filesystem")
shelltest("zfs create test_source1/fs1/bad_filesystem")
shelltest("cp tests/*.py /test_source1/fs1/bad_filesystem")
shelltest("zfs create -V 1M test_source1/fs1/ok_zvol")
shelltest("dd if=/dev/urandom of=/dev/zvol/test_source1/fs1/ok_zvol count=1 bs=512k")
shelltest("zfs create -V 1M test_source1/fs1/bad_zvol")
shelltest("dd if=/dev/urandom of=/dev/zvol/test_source1/fs1/bad_zvol count=1 bs=512k")
#create backup
with mocktime("20101111000000"):
self.assertFalse(ZfsAutobackup("test test_target1 --verbose --no-progress --no-holds".split(" ")).run())
#Do an ugly hack to create a fault in the bad filesystem
#In zfs-autoverify it doenst matter that the snapshot isnt actually the same snapshot, so this hack works
shelltest("zfs destroy test_target1/test_source1/fs1/bad_filesystem@test-20101111000000")
shelltest("zfs mount test_target1/test_source1/fs1/bad_filesystem")
shelltest("echo >> /test_target1/test_source1/fs1/bad_filesystem/test_verify.py")
shelltest("zfs snapshot test_target1/test_source1/fs1/bad_filesystem@test-20101111000000")
#do the same hack for the bad zvol
shelltest("zfs destroy test_target1/test_source1/fs1/bad_zvol@test-20101111000000")
shelltest("dd if=/dev/urandom of=/dev/zvol/test_target1/test_source1/fs1/bad_zvol count=1 bs=1")
shelltest("zfs snapshot test_target1/test_source1/fs1/bad_zvol@test-20101111000000")
# make sure we cant accidently compare current data
shelltest("zfs mount test_target1/test_source1/fs1/ok_filesystem")
shelltest("rm /test_source1/fs1/ok_filesystem/*")
shelltest("rm /test_source1/fs1/bad_filesystem/*")
shelltest("dd if=/dev/zero of=/dev/zvol/test_source1/fs1/ok_zvol count=1 bs=512k")
def test_verify(self):
with self.subTest("default --test"):
self.assertFalse(ZfsAutoverify("test test_target1 --verbose --test".split(" ")).run())
with self.subTest("rsync, remote source and target. (not supported, all 6 fail)"):
self.assertEqual(6, ZfsAutoverify("test test_target1 --ssh-source=localhost --ssh-target=localhost --verbose --exclude-received --fs-compare=rsync".split(" ")).run())
def runchecked(testname, command):
with self.subTest(testname):
with OutputIO() as buf:
result=None
with redirect_stderr(buf):
result=ZfsAutoverify(command.split(" ")).run()
print(buf.getvalue())
self.assertEqual(2,result)
self.assertRegex(buf.getvalue(), "bad_filesystem: FAILED:")
self.assertRegex(buf.getvalue(), "bad_zvol: FAILED:")
runchecked("rsync, remote source", "test test_target1 --ssh-source=localhost --verbose --exclude-received --fs-compare=rsync")
runchecked("rsync, remote target", "test test_target1 --ssh-target=localhost --verbose --exclude-received --fs-compare=rsync")
runchecked("rsync, local", "test test_target1 --verbose --exclude-received --fs-compare=rsync")
runchecked("tar, remote source and remote target",
"test test_target1 --ssh-source=localhost --ssh-target=localhost --verbose --exclude-received --fs-compare=find")
runchecked("tar, remote source",
"test test_target1 --ssh-source=localhost --verbose --exclude-received --fs-compare=find")
runchecked("tar, remote target",
"test test_target1 --ssh-target=localhost --verbose --exclude-received --fs-compare=find")
runchecked("tar, local", "test test_target1 --verbose --exclude-received --fs-compare=find")
with self.subTest("no common snapshot"):
#destroy common snapshot, now 3 should fail
shelltest("zfs destroy test_source1/fs1/ok_zvol@test-20101111000000")
self.assertEqual(3, ZfsAutoverify("test test_target1 --verbose --exclude-received".split(" ")).run())