mirror of
https://github.com/ceph/ceph
synced 2024-12-19 01:46:00 +00:00
107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
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from cephfs_test_case import CephFSTestCase
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from teuthology.exceptions import CommandFailedError
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class TestQuota(CephFSTestCase):
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CLIENTS_REQUIRED = 2
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MDSS_REQUIRED = 1
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def test_remote_update_getfattr(self):
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"""
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That quota changes made from one client are visible to another
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client looking at ceph.quota xattrs
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"""
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self.mount_a.run_shell(["mkdir", "subdir"])
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self.assertEqual(
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self.mount_a.getfattr("./subdir", "ceph.quota.max_files"),
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None)
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self.assertEqual(
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self.mount_b.getfattr("./subdir", "ceph.quota.max_files"),
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None)
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self.mount_a.setfattr("./subdir", "ceph.quota.max_files", "10")
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self.assertEqual(
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self.mount_a.getfattr("./subdir", "ceph.quota.max_files"),
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"10")
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# Should be visible as soon as setxattr operation completes on
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# mds (we get here sooner because setfattr gets an early reply)
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self.wait_until_equal(
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lambda: self.mount_b.getfattr("./subdir", "ceph.quota.max_files"),
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"10", timeout=10)
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def test_remote_update_df(self):
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"""
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That when a client modifies the quota on a directory used
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as another client's root, the other client sees the change
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reflected in their statfs output.
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"""
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self.mount_b.umount_wait()
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self.mount_a.run_shell(["mkdir", "subdir"])
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size_before = 1024 * 1024 * 128
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self.mount_a.setfattr("./subdir", "ceph.quota.max_bytes",
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"%s" % size_before)
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self.mount_b.mount(mount_path="/subdir")
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self.assertDictEqual(
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self.mount_b.df(),
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{
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"total": size_before,
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"used": 0,
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"available": size_before
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})
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size_after = 1024 * 1024 * 256
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self.mount_a.setfattr("./subdir", "ceph.quota.max_bytes",
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"%s" % size_after)
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# Should be visible as soon as setxattr operation completes on
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# mds (we get here sooner because setfattr gets an early reply)
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self.wait_until_equal(
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lambda: self.mount_b.df(),
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{
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"total": size_after,
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"used": 0,
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"available": size_after
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},
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timeout=10
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)
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def test_remote_update_write(self):
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"""
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That when a client modifies the quota on a directory used
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as another client's root, the other client sees the effect
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of the change when writing data.
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"""
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self.mount_a.run_shell(["mkdir", "subdir_files"])
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self.mount_a.run_shell(["mkdir", "subdir_data"])
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# Set some nice high quotas that mount_b's initial operations
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# will be well within
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self.mount_a.setfattr("./subdir_files", "ceph.quota.max_files", "100")
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self.mount_a.setfattr("./subdir_data", "ceph.quota.max_bytes", "104857600")
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# Do some writes within my quota
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self.mount_b.create_n_files("subdir_files/file", 20)
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self.mount_b.write_n_mb("subdir_data/file", 20)
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# Set quotas lower than what mount_b already wrote, it should
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# refuse to write more once it's seen them
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self.mount_a.setfattr("./subdir_files", "ceph.quota.max_files", "10")
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self.mount_a.setfattr("./subdir_data", "ceph.quota.max_bytes", "1048576")
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# Do some writes that would have been okay within the old quota,
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# but are forbidden under the new quota
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with self.assertRaises(CommandFailedError):
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self.mount_b.create_n_files("subdir_files/file", 40)
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with self.assertRaises(CommandFailedError):
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self.mount_b.write_n_mb("subdir_data/file", 40)
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