Fix umount fuse control filesystem error
In fuel-agent.log, mountpoint -q /tmp/target/sys/fs/fuse/connections execute failed. Fuse is a kernel mechanism, it has a fixed pseudo filesystem location (/sys/fs/fuse/connection) for user. We do not need to umount it manually, let kernel take care of that. In our case, nobody cares about fuse in kernel by /sys/fs/fuse/connection. So we don't need to mount and umount in chroot. https://www.kernel.org/doc/Documentation/filesystems/fuse.txt Change-Id: I0a9af904b2b65af1af96340c0579dedf979464fc
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@ -659,8 +659,7 @@ class Manager(object):
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def umount_target(self, chroot, pseudo=True):
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LOG.debug('Umounting target file systems: %s', chroot)
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if pseudo:
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# umount fusectl (typically mounted at /sys/fs/fuse/connections)
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for path in ('/proc', '/dev', '/sys/fs/fuse/connections', '/sys'):
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for path in ('/proc', '/dev', '/sys'):
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fu.umount_fs(chroot + path)
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for fs in self.driver.partition_scheme.fs_sorted_by_depth(
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reverse=True):
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@ -843,7 +843,6 @@ class TestManager(unittest2.TestCase):
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fake_mtab = """
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proc /proc proc rw,noexec,nosuid,nodev 0 0
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sysfs /sys sysfs rw,noexec,nosuid,nodev 0 0
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none /sys/fs/fuse/connections fusectl rw 0 0
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none /sys/kernel/debug debugfs rw 0 0
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none /sys/kernel/security securityfs rw 0 0
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udev /dev devtmpfs rw,mode=0755 0 0
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@ -893,7 +892,6 @@ none /run/shm tmpfs rw,nosuid,nodev 0 0"""
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self.mgr.umount_target('fake_chroot')
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self.assertEqual([mock.call('fake_chroot/proc'),
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mock.call('fake_chroot/dev'),
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mock.call('fake_chroot/sys/fs/fuse/connections'),
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mock.call('fake_chroot/sys'),
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mock.call('fake_chroot/var/lib'),
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mock.call('fake_chroot/boot'),
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