Example #1
0
def process_user_quota(gpfs, storage, filesystem, quota_map, user_map):
    """Store the information in the user directories.
    """
    exceeding_users = []

    for (user_id, quota) in quota_map.items():

        user_name = user_map.get(int(user_id), None)

        logger.debug("Checking quota for user %s with ID %s" % (user_name, user_id))

        if user_name and user_name.startswith('vsc'):
            user = VscUser(user_name)
            logger.debug("User %s quota: %s" % (user, quota))

            path = user._get_path(storage)
            path_stat = os.stat(path)
            filename = os.path.join(path, ".quota_user.json.gz")

            cache = FileCache(filename)
            cache.update(key="quota", data=quota, threshold=0)
            cache.update(key="storage", data=storage, threshold=0)
            cache.close()

            gpfs.ignorerealpathmismatch = True
            gpfs.chmod(0640, filename)
            gpfs.chown(path_stat.st_uid, path_stat.st_uid, filename)
            gpfs.ignorerealpathmismatch = False

            logger.info("Stored user %s quota for storage %s at %s" % (user_name, storage, filename))

            if quota.exceeds():
                exceeding_users.append((user, quota))

    return exceeding_users
Example #2
0
def process_user_quota(storage, gpfs, storage_name, filesystem, quota_map, user_map, dry_run=False):
    """Store the information in the user directories.
    """
    exceeding_users = []
    login_mount_point = storage[storage_name].login_mount_point
    gpfs_mount_point = storage[storage_name].gpfs_mount_point

    for (user_id, quota) in quota_map.items():

        user_name = user_map.get(int(user_id), None)

        if user_name and user_name.startswith('vsc4'):
            user = VscUser(user_name)
            logger.debug("Checking quota for user %s with ID %s" % (user_name, user_id))
            logger.debug("User %s quota: %s" % (user, quota))

            path = user._get_path(storage_name)

            # FIXME: We need some better way to address this
            # Right now, we replace the nfs mount prefix which the symlink points to
            # with the gpfs mount point. this is a workaround until we resolve the
            # symlink problem once we take new default scratch into production
            if gpfs.is_symlink(path):
                target = os.path.realpath(path)
                if target.startswith(login_mount_point):
                    new_path = target.replace(login_mount_point, gpfs_mount_point, 1)
                    logger.info("Found a symlinked path %s to the nfs mount point %s. Replaced with %s" %
                                (path, login_mount_point, gpfs_mount_point))
            else:
                new_path = path

            path_stat = os.stat(new_path)
            filename = os.path.join(new_path, ".quota_user.json.gz")

            if dry_run:
                logger.info("Dry run: would update cache for %s at %s with %s" % (storage_name, path, "%s" % (quota,)))
                logger.info("Dry run: would chmod 640 %s" % (filename,))
                logger.info("Dry run: would chown %s to %s %s" % (filename, path_stat.st_uid, path_stat.st_gid))
            else:
                cache = FileCache(filename)
                cache.update(key="quota", data=quota, threshold=0)
                cache.update(key="storage_name", data=storage_name, threshold=0)
                cache.close()

                gpfs.ignorerealpathmismatch = True
                gpfs.chmod(0640, filename)
                gpfs.chown(path_stat.st_uid, path_stat.st_uid, filename)
                gpfs.ignorerealpathmismatch = False

            logger.info("Stored user %s quota for storage %s at %s" % (user_name, storage_name, filename))

            if quota.exceeds():
                exceeding_users.append((user_name, quota))

    return exceeding_users