mirror of
https://github.com/psy0rz/zfs_autobackup.git
synced 2025-04-17 22:52:20 +03:00
276 lines
10 KiB
Python
276 lines
10 KiB
Python
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from basetest import *
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class TestZfsNode(unittest2.TestCase):
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def setUp(self):
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prepare_zpools()
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self.longMessage=True
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# generate a resumable state
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#NOTE: this generates two resumable test_target1/test_source1/fs1 and test_target1/test_source1/fs1/sub
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def generate_resume(self):
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r=shelltest("zfs set compress=off test_source1 test_target1")
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#big change on source
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r=shelltest("dd if=/dev/zero of=/test_source1/fs1/data bs=250M count=1")
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#waste space on target
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r=shelltest("dd if=/dev/zero of=/test_target1/waste bs=250M count=1")
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#should fail and leave resume token (if supported)
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self.assertTrue(ZfsAutobackup("test test_target1 --verbose".split(" ")).run())
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#free up space
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r=shelltest("rm /test_target1/waste")
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#sync
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r=shelltest("zfs umount test_target1")
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r=shelltest("zfs mount test_target1")
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#resume initial backup
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def test_initial_resume(self):
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#inital backup, leaves resume token
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with patch('time.strftime', return_value="20101111000000"):
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self.generate_resume()
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#--test should resume and succeed
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with OutputIO() as buf:
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with redirect_stdout(buf):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --test".split(" ")).run())
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print(buf.getvalue())
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#did we really resume?
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if "0.6.5" in ZFS_USERSPACE:
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#abort this late, for beter coverage
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self.skipTest("Resume not supported in this ZFS userspace version")
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else:
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self.assertIn(": resuming", buf.getvalue())
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#should resume and succeed
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with OutputIO() as buf:
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with redirect_stdout(buf):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose".split(" ")).run())
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print(buf.getvalue())
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#did we really resume?
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if "0.6.5" in ZFS_USERSPACE:
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#abort this late, for beter coverage
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self.skipTest("Resume not supported in this ZFS userspace version")
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else:
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self.assertIn(": resuming", buf.getvalue())
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r=shelltest("zfs list -H -o name -r -t all test_target1")
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self.assertMultiLineEqual(r,"""
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test_target1
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test_target1/test_source1
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test_target1/test_source1/fs1
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test_target1/test_source1/fs1@test-20101111000000
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test_target1/test_source1/fs1/sub
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test_target1/test_source1/fs1/sub@test-20101111000000
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test_target1/test_source2
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test_target1/test_source2/fs2
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test_target1/test_source2/fs2/sub
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test_target1/test_source2/fs2/sub@test-20101111000000
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""")
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#resume incremental backup
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def test_incremental_resume(self):
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#initial backup
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with patch('time.strftime', return_value="20101111000000"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --allow-empty".split(" ")).run())
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#incremental backup leaves resume token
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with patch('time.strftime', return_value="20101111000001"):
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self.generate_resume()
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#--test should resume and succeed
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with OutputIO() as buf:
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with redirect_stdout(buf):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --test".split(" ")).run())
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print(buf.getvalue())
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#did we really resume?
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if "0.6.5" in ZFS_USERSPACE:
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#abort this late, for beter coverage
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self.skipTest("Resume not supported in this ZFS userspace version")
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else:
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self.assertIn(": resuming", buf.getvalue())
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#should resume and succeed
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with OutputIO() as buf:
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with redirect_stdout(buf):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose".split(" ")).run())
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print(buf.getvalue())
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#did we really resume?
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if "0.6.5" in ZFS_USERSPACE:
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#abort this late, for beter coverage
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self.skipTest("Resume not supported in this ZFS userspace version")
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else:
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self.assertIn(": resuming", buf.getvalue())
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r=shelltest("zfs list -H -o name -r -t all test_target1")
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self.assertMultiLineEqual(r,"""
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test_target1
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test_target1/test_source1
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test_target1/test_source1/fs1
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test_target1/test_source1/fs1@test-20101111000000
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test_target1/test_source1/fs1@test-20101111000001
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test_target1/test_source1/fs1/sub
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test_target1/test_source1/fs1/sub@test-20101111000000
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test_target1/test_source2
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test_target1/test_source2/fs2
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test_target1/test_source2/fs2/sub
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test_target1/test_source2/fs2/sub@test-20101111000000
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""")
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# generate an invalid resume token, and verify if its aborted automaticly
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def test_initial_resumeabort(self):
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if "0.6.5" in ZFS_USERSPACE:
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self.skipTest("Resume not supported in this ZFS userspace version")
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#inital backup, leaves resume token
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with patch('time.strftime', return_value="20101111000000"):
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self.generate_resume()
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#remove corresponding source snapshot, so it becomes invalid
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shelltest("zfs destroy test_source1/fs1@test-20101111000000")
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#NOTE: it can only abort the initial dataset if it has no subs
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shelltest("zfs destroy test_target1/test_source1/fs1/sub; true")
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#--test try again, should abort old resume
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with patch('time.strftime', return_value="20101111000001"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --test".split(" ")).run())
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#try again, should abort old resume
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with patch('time.strftime', return_value="20101111000001"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose".split(" ")).run())
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r=shelltest("zfs list -H -o name -r -t all test_target1")
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self.assertMultiLineEqual(r,"""
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test_target1
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test_target1/test_source1
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test_target1/test_source1/fs1
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test_target1/test_source1/fs1@test-20101111000001
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test_target1/test_source1/fs1/sub
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test_target1/test_source1/fs1/sub@test-20101111000000
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test_target1/test_source2
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test_target1/test_source2/fs2
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test_target1/test_source2/fs2/sub
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test_target1/test_source2/fs2/sub@test-20101111000000
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""")
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# generate an invalid resume token, and verify if its aborted automaticly
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def test_incremental_resumeabort(self):
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if "0.6.5" in ZFS_USERSPACE:
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self.skipTest("Resume not supported in this ZFS userspace version")
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#initial backup
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with patch('time.strftime', return_value="20101111000000"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --allow-empty".split(" ")).run())
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#icremental backup, leaves resume token
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with patch('time.strftime', return_value="20101111000001"):
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self.generate_resume()
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#remove corresponding source snapshot, so it becomes invalid
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shelltest("zfs destroy test_source1/fs1@test-20101111000001")
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#--test try again, should abort old resume
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with patch('time.strftime', return_value="20101111000002"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --test".split(" ")).run())
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#try again, should abort old resume
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with patch('time.strftime', return_value="20101111000002"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose".split(" ")).run())
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r=shelltest("zfs list -H -o name -r -t all test_target1")
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self.assertMultiLineEqual(r,"""
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test_target1
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test_target1/test_source1
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test_target1/test_source1/fs1
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test_target1/test_source1/fs1@test-20101111000000
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test_target1/test_source1/fs1@test-20101111000002
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test_target1/test_source1/fs1/sub
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test_target1/test_source1/fs1/sub@test-20101111000000
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test_target1/test_source2
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test_target1/test_source2/fs2
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test_target1/test_source2/fs2/sub
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test_target1/test_source2/fs2/sub@test-20101111000000
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""")
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#create a resume situation, where the other side doesnt want the snapshot anymore ( should abort resume )
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def test_abort_unwanted_resume(self):
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if "0.6.5" in ZFS_USERSPACE:
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self.skipTest("Resume not supported in this ZFS userspace version")
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with patch('time.strftime', return_value="20101111000000"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose".split(" ")).run())
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#generate resume
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with patch('time.strftime', return_value="20101111000001"):
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self.generate_resume()
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with OutputIO() as buf:
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with redirect_stdout(buf):
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#incremental, doesnt want previous anymore
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with patch('time.strftime', return_value="20101111000002"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --keep-target=0 --debug --allow-empty".split(" ")).run())
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print(buf.getvalue())
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self.assertIn(": aborting resume, since", buf.getvalue())
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r=shelltest("zfs list -H -o name -r -t all test_target1")
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self.assertMultiLineEqual(r,"""
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test_target1
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test_target1/test_source1
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test_target1/test_source1/fs1
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test_target1/test_source1/fs1@test-20101111000002
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test_target1/test_source1/fs1/sub
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test_target1/test_source1/fs1/sub@test-20101111000002
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test_target1/test_source2
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test_target1/test_source2/fs2
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test_target1/test_source2/fs2/sub
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test_target1/test_source2/fs2/sub@test-20101111000002
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""")
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def test_missing_common(self):
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with patch('time.strftime', return_value="20101111000000"):
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self.assertFalse(ZfsAutobackup("test test_target1 --verbose --allow-empty".split(" ")).run())
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#remove common snapshot and leave nothing
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shelltest("zfs release zfs_autobackup:test test_source1/fs1@test-20101111000000")
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shelltest("zfs destroy test_source1/fs1@test-20101111000000")
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with patch('time.strftime', return_value="20101111000001"):
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self.assertTrue(ZfsAutobackup("test test_target1 --verbose --allow-empty".split(" ")).run())
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############# TODO:
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def test_ignoretransfererrors(self):
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self.skipTest("todo: create some kind of situation where zfs recv exits with an error but transfer is still ok (happens in practice with acltype)")
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