diff options
Diffstat (limited to 'tests/utils/create-files.py')
| -rwxr-xr-x | tests/utils/create-files.py | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/tests/utils/create-files.py b/tests/utils/create-files.py new file mode 100755 index 00000000000..0d937eff978 --- /dev/null +++ b/tests/utils/create-files.py @@ -0,0 +1,207 @@ +#!/usr/bin/python + +# This script was developed by Vijaykumar Koppad (vkoppad@redhat.com) +# The latest version of this script can found at +# http://github.com/vijaykumar-koppad/crefi + +from __future__ import with_statement +import sys +import os +import re +import random +from optparse import OptionParser +import time +import string +import errno + +def os_rd(src, size): + fd = os.open(src,os.O_RDONLY) + data = os.read(fd, size) + os.close(fd) + return data + +def os_wr(dest, data): + fd = os.open(dest,os.O_WRONLY|os.O_CREAT|os.O_EXCL, 0644) + os.write(fd, data) + os.close(fd) + return + +def create_sparse_file(fil): + if option.size: + option.random = False + size = option.size + else: + size = random.randint(option.min, option.max) + data = os_rd("/dev/zero", size) + os_wr(fil, data) + return + +def create_binary_file(fil): + if option.size: + option.random = False + size = option.size + else: + size = random.randint(option.min, option.max) + data = os_rd("/dev/urandom", size) + os_wr(fil, data) + return + +def create_txt_file(fil): + if option.size: + option.random = False + size = option.size + else: + size = random.randint(option.min, option.max) + if size < 500*1024: + data = os_rd("/etc/services", size) + os_wr(fil, data) + else: + data = os_rd("/etc/services", 500*1024) + file_size = 0 + fd = os.open(fil,os.O_WRONLY|os.O_CREAT|os.O_EXCL, 0644) + while file_size < size: + os.write(fd, data) + file_size += 500*1024 + os.close(fd) + return + +def get_filename(): + size = option.flen + char = string.uppercase+string.digits + st = ''.join(random.choice(char) for i in range(size)) + ti = str((hex(int(str(time.time()).split('.')[0])))[2:]) + return ti+"~~"+st + +def text_files(files, file_count): + for k in range(files): + if not file_count%option.inter: + print file_count + fil = get_filename() + create_txt_file(fil) + file_count += 1 + return file_count + +def sparse_files(files, file_count): + for k in range(files): + if not file_count%option.inter: + print file_count + fil = get_filename() + create_sparse_file(fil) + file_count += 1 + return file_count + +def binary_files(files, file_count): + for k in range(files): + if not file_count%option.inter: + print file_count + fil = get_filename() + create_binary_file(fil) + file_count += 1 + return file_count + +def human2bytes(size): + size_short = { + 1024 : ['K','KB','KiB','k','kB','kiB'], + 1024*1024 : ['M','MB','MiB'], + 1024*1024*1024 : ['G','GB','GiB'] +} + num = re.search('(\d+)',size).group() + ext = size[len(num):] + num = int(num) + if ext == '': + return num + for value, keys in size_short.items(): + if ext in keys: + size = num*value + return size + +def multipledir(mnt_pnt,brdth,depth,files): + files_count = 1 + for i in range(brdth): + breadth = mnt_pnt+"/"+str(i) + try: + os.makedirs(breadth) + except OSError as ex: + if not ex.errno is errno.EEXIST: + raise + os.chdir(breadth) + dir_depth = breadth + print breadth + for j in range(depth): + dir_depth = dir_depth+"/"+str(j) + try: + os.makedirs(dir_depth) + except OSError as ex: + if not ex.errno is errno.EEXIST: + raise + os.chdir(dir_depth) + if option.file_type == "text": + files_count = text_files(files, files_count) + elif option.file_type == "sparse": + files_count = sparse_files(files, files_count) + elif option.file_type == "binary": + files_count = binary_files(files, files_count) + else: + print "Not a valid file type" + sys.exit(1) + +def singledir(mnt_pnt, files): + files_count = 1 + os.chdir(mnt_pnt) + if option.file_type == "text": + files_count = text_files(files, files_count) + elif option.file_type == "sparse": + files_count = sparse_files(files, files_count) + elif option.file_type == "binary": + files_count = binary_files(files, files_count) + else: + print "Not a valid file type" + sys.exit(1) + +if __name__ == '__main__': + usage = "usage: %prog [option] <MNT_PT>" + parser = OptionParser(usage=usage) + parser.add_option("-n", dest="files",type="int" ,default=100, + help="number of files in each level [default: %default]") + parser.add_option("--size", action = "store",type="string", + help="size of the files to be used") + parser.add_option("--random", action="store_true", default=True, + help="random size of the file between --min and --max " + "[default: %default]") + parser.add_option("--max", action = "store",type="string", default="500K", + help="maximum size of the files, if random is True " + "[default: %default]") + parser.add_option("--min", action = "store",type="string", default="10K", + help="minimum size of the files, if random is True " + "[default: %default]" ) + parser.add_option("--single", action="store_true", dest="dir",default=True, + help="create files in single directory [default: %default]" ) + parser.add_option("--multi", action="store_false", dest="dir", + help="create files in multiple directories") + parser.add_option("-b", dest="brdth",type="int",default=5, + help="number of directories in one level(works with --multi)[default: %default]") + parser.add_option("-d", dest="depth",type="int",default=5, + help="number of levels of directories(works with --multi)[default: %default]") + parser.add_option("-l", dest="flen",type="int" ,default=10, + help="number of bytes for filename " + "[default: %default]") + parser.add_option("-t","--type", action="store", type="string" , dest="file_type",default="text", + help="type of the file to be created (text, sparse, binary) [default: %default]" ) + parser.add_option("-I", dest="inter", type="int", default=100, + help="print number files created of interval [defailt: %dafault]") + (option,args) = parser.parse_args() + if not args: + print "usage: <script> [option] <MNT_PT>" + print "" + sys.exit(1) + args[0] = os.path.abspath(args[0]) + if option.size: + option.size = human2bytes(option.size) + else: + option.max = human2bytes(option.max) + option.min = human2bytes(option.min) + if option.dir: + singledir(args[0], option.files) + else: + multipledir(args[0], option.brdth, option.depth, option.files) + print "creation of files completed.\n" |