python find_gfid_issues.py <BRICK_PATH>

find_gfid_issues.py

import sys
import os
import xattr
import uuid
from errno import ENODATA


IGNORE_DIRS = [".glusterfs", ".trashcan"]


def valid_symlink(brick_path, path, gfid):
    path = path.replace(brick_path, "")
    pdir = os.path.dirname(path)
    bname = os.path.basename(path)
    if bname == "":
        return True

    if pdir == "":
        pgfid = "00000000-0000-0000-0000-000000000001"
    else:
        pgfid = str(uuid.UUID(bytes=xattr.get(os.path.join(brick_path,
                                                           pdir),
                                              "trusted.gfid")))
    expected_link_target = os.path.join("..",
                                        "..",
                                        pgfid[0:2],
                                        pgfid[2:4],
                                        pgfid,
                                        bname)
    backend_path = os.path.join(brick_path,
                                ".glusterfs",
                                gfid[0:2],
                                gfid[2:4],
                                gfid)

    if os.path.islink(backend_path):
        link_target = os.readlink(backend_path)
        if link_target == expected_link_target:
            return True

    return False


def crawl(brick_path, path, ignore_dirs=[]):
    if path in ignore_dirs:
        return

    try:
        gfid = str(uuid.UUID(bytes=xattr.get(path, "trusted.gfid")))
        if not valid_symlink(brick_path, path, gfid):
            print "{0:17}: {1}".format("INVALID SYMLINK", path)
    except IOError as e:
        if e.errno == ENODATA:
            print "{0:17}: {1}".format("NO GFID(DIR)", path)

    files = os.listdir(path)
    for f in files:
        p = os.path.join(path, f)
        if os.path.isdir(p):
            crawl(brick_path, p, ignore_dirs)
        else:
            try:
                gfid = str(uuid.UUID(bytes=xattr.get(p, "trusted.gfid")))
            except IOError as e:
                if e.errno == ENODATA:
                    print "{0:17}: {1}".format("NO GFID(FILE)", p)


if __name__ == "__main__":
    brick = sys.argv[1]
    ignore_dirs = [os.path.join(brick, v) for v in IGNORE_DIRS]
    crawl(brick, brick, ignore_dirs)

how about the performance ?