diff options
Diffstat (limited to 'rdiff-backup/rdiff_backup/fs_abilities.py')
| -rw-r--r-- | rdiff-backup/rdiff_backup/fs_abilities.py | 58 |
1 files changed, 46 insertions, 12 deletions
diff --git a/rdiff-backup/rdiff_backup/fs_abilities.py b/rdiff-backup/rdiff_backup/fs_abilities.py index 98c43f8..6ef26ea 100644 --- a/rdiff-backup/rdiff_backup/fs_abilities.py +++ b/rdiff-backup/rdiff_backup/fs_abilities.py @@ -39,6 +39,40 @@ class FSAbilities: hardlinks = None # True if hard linking supported fsync_dirs = None # True if directories can be fsync'd read_only = None # True if capabilities were determined non-destructively + name = None # + + def __init__(self, name = None): + """FSAbilities initializer. name is only used in logging""" + self.name = name + + def __str__(self): + """Return pretty printable version of self""" + s = ['-' * 60] + def addline(desc, val_text): + """Add description line to s""" + s.append(' %s%s%s' % (desc, ' ' * (45-len(desc)), val_text)) + + if self.name: + s.append('Detected abilities for %s file system:' % (self.name,)) + else: s.append('Detected abilities for file system') + + ctq_str = (self.chars_to_quote is None and 'N/A' + or repr(self.chars_to_quote)) + addline('Characters needing quoting', ctq_str) + + for desc, val in [('Ownership changing', self.ownership), + ('Access Control Lists', self.acls), + ('Extended Attributes', self.eas), + ('Hard linking', self.hardlinks), + ('fsync() directories', self.fsync_dirs)]: + if val: val_text = 'On' + elif val is None: val_text = 'N/A' + else: + assert val == 0 + val_text = 'Off' + addline(desc, val_text) + s.append(s[0]) + return '\n'.join(s) def init_readonly(self, rp): """Set variables using fs tested at RPath rp @@ -128,7 +162,7 @@ rdiff-backup-data/chars_to_quote. except (IOError, OSError), exc: if exc[0] == errno.EPERM: log.Log("Warning: ownership cannot be changed on filesystem " - "at %s" % (self.root_rp.path,), 2) + "at %s" % (self.root_rp.path,), 3) self.ownership = 0 else: raise else: self.ownership = 1 @@ -145,7 +179,7 @@ rdiff-backup-data/chars_to_quote. except (IOError, OSError), exc: if exc[0] in (errno.EOPNOTSUPP, errno.EPERM): log.Log("Warning: hard linking not supported by filesystem " - "at %s" % (self.root_rp.path,), 2) + "at %s" % (self.root_rp.path,), 3) self.hardlinks = 0 else: raise else: self.hardlinks = 1 @@ -213,8 +247,8 @@ def test_eas_local(rp, write): assert rp.lstat() try: import xattr except ImportError: - log.Log("Warning: Unable to import module xattr. ACLs not " - "supported on filesystem at %s" % (rp.path,), 2) + log.Log("Unable to import module xattr. EAs not " + "supported on filesystem at %s" % (rp.path,), 4) return 0 try: @@ -224,8 +258,8 @@ def test_eas_local(rp, write): assert xattr.getxattr(rp.path, "user.test") == "test val" except IOError, exc: if exc[0] == errno.EOPNOTSUPP: - log.Log("Warning: Extended attributes not supported by " - "filesystem at %s" % (rp.path,), 2) + log.Log("Extended attributes not supported by " + "filesystem at %s" % (rp.path,), 4) return 0 else: raise else: return 1 @@ -236,16 +270,16 @@ def test_acls_local(rp): assert rp.lstat() try: import posix1e except ImportError: - log.Log("Warning: Unable to import module posix1e from pylibacl " + log.Log("Unable to import module posix1e from pylibacl " "package.\nACLs not supported on filesystem at %s" % - (rp.path,), 2) + (rp.path,), 4) return 0 try: posix1e.ACL(file=rp.path) except IOError, exc: if exc[0] == errno.EOPNOTSUPP: - log.Log("Warning: ACLs appear not to be supported by " - "filesystem at %s" % (rp.path,), 2) + log.Log("ACLs appear not to be supported by " + "filesystem at %s" % (rp.path,), 4) return 0 else: raise else: return 1 @@ -255,8 +289,8 @@ def test_fsync_local(rp): assert rp.conn is Globals.local_connection try: rp.fsync() except (IOError, OSError), exc: - log.Log("Warning: Directories on file system at %s are not " - "fsyncable.\nAssuming it's unnecessary." % (rp.path,), 2) + log.Log("Directories on file system at %s are not " + "fsyncable.\nAssuming it's unnecessary." % (rp.path,), 4) return 0 else: return 1 |