Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | """A crontab script to delete night test data.""" |
| 4 | __author__ = 'shenhan@google.com (Han Shen)' |
| 5 | |
| 6 | import datetime |
| 7 | import optparse |
| 8 | import os |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 9 | import re |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 10 | import sys |
| 11 | |
| 12 | from utils import command_executer |
| 13 | from utils import constants |
| 14 | from utils import misc |
| 15 | |
| 16 | DIR_BY_WEEKDAY = ('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun') |
| 17 | |
| 18 | |
| 19 | def CleanNumberedDir(s, dry_run=False): |
| 20 | """Deleted directories under each dated_dir.""" |
| 21 | chromeos_dirs = [os.path.join(s, x) for x in os.listdir(s) |
| 22 | if misc.IsChromeOsTree(os.path.join(s, x))] |
| 23 | ce = command_executer.GetCommandExecuter() |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 24 | all_succeeded = True |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 25 | for cd in chromeos_dirs: |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 26 | if misc.DeleteChromeOsTree(cd, dry_run=dry_run): |
| 27 | print 'Successfully removed chromeos tree "{0}".'.format(cd) |
| 28 | else: |
| 29 | all_succeeded = False |
| 30 | print 'Failed to remove chromeos tree "{0}", please check.'.format(cd) |
| 31 | |
Han Shen | 4375f76 | 2014-04-25 10:35:29 -0700 | [diff] [blame] | 32 | if not all_succeeded: |
| 33 | print 'Failed to delete at least one chromeos tree, please check.' |
| 34 | return False |
| 35 | |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 36 | ## Now delete the numbered dir Before forcibly removing the directory, just |
Han Shen | 4375f76 | 2014-04-25 10:35:29 -0700 | [diff] [blame] | 37 | ## check 's' to make sure it is sane. A valid dir to be removed must be |
| 38 | ## '/usr/local/google/crostc/(SUN|MON|TUE...|SAT)'. |
| 39 | valid_dir_pattern = ('^' + constants.CROSTC_WORKSPACE + '/(' + |
| 40 | '|'.join(DIR_BY_WEEKDAY) + ')') |
| 41 | if not re.search(valid_dir_pattern, s): |
| 42 | print ('Trying to delete an invalid dir "{0}" (must match "{1}"), ' |
| 43 | 'please check.'.format(s, valid_dir_pattern)) |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 44 | return False |
| 45 | |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 46 | cmd = 'rm -fr {0}'.format(s) |
| 47 | if dry_run: |
| 48 | print cmd |
| 49 | else: |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 50 | if ce.RunCommand(cmd, return_output=False, print_to_console=True, |
| 51 | terminated_timeout=480) == 0: |
| 52 | print 'Successfully removed "{0}".'.format(s) |
| 53 | else: |
| 54 | all_succeeded = False |
| 55 | print 'Failed to remove "{0}", please check.'.format(s) |
| 56 | return all_succeeded |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 57 | |
| 58 | |
| 59 | def CleanDatedDir(dated_dir, dry_run=False): |
| 60 | # List subdirs under dir |
| 61 | subdirs = [os.path.join(dated_dir, x) for x in os.listdir(dated_dir) |
| 62 | if os.path.isdir(os.path.join(dated_dir, x))] |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 63 | all_succeeded = True |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 64 | for s in subdirs: |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 65 | if not CleanNumberedDir(s, dry_run): |
| 66 | all_succeeded = False |
| 67 | return all_succeeded |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 68 | |
| 69 | |
| 70 | def ProcessArguments(argv): |
| 71 | """Process arguments.""" |
| 72 | parser = optparse.OptionParser( |
| 73 | description='Automatically delete nightly test data directories.', |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 74 | usage='auto_delete_nightly_test_data.py options') |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 75 | parser.add_option('-d', '--dry_run', dest='dry_run', |
| 76 | default=False, action='store_true', |
| 77 | help='Only print command line, do not execute anything.') |
| 78 | parser.add_option('--days_to_perserve', dest='days_to_preserve', default=3, |
| 79 | help=('Specify the number of days, test data generated ' |
| 80 | 'on these days will *NOT* be deleted. ' |
| 81 | 'Defaults to 3.')) |
| 82 | options, _ = parser.parse_args(argv) |
| 83 | return options |
| 84 | |
| 85 | |
| 86 | def Main(argv): |
| 87 | """Delete nightly test data directories.""" |
| 88 | options = ProcessArguments(argv) |
| 89 | # Function 'isoweekday' returns 1(Monday) - 7 (Sunday). |
| 90 | d = datetime.datetime.today().isoweekday() |
| 91 | # We go back 1 week, delete from that day till we are |
| 92 | # options.days_to_preserve away from today. |
| 93 | s = d - 7 |
| 94 | e = d - options.days_to_preserve |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 95 | rv = 0 |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 96 | for i in range(s + 1, e): |
| 97 | if i <= 0: |
| 98 | ## Wrap around if index is negative. 6 is from i + 7 - 1, because |
| 99 | ## DIR_BY_WEEKDAY starts from 0, while isoweekday is from 1-7. |
| 100 | dated_dir = DIR_BY_WEEKDAY[i+6] |
| 101 | else: |
| 102 | dated_dir = DIR_BY_WEEKDAY[i-1] |
Han Shen | a58a824 | 2014-04-23 11:05:22 -0700 | [diff] [blame] | 103 | rv += 0 if CleanDatedDir(os.path.join( |
| 104 | constants.CROSTC_WORKSPACE, dated_dir), options.dry_run) else 1 |
| 105 | return rv |
Han Shen | e4b6f22 | 2013-11-22 10:02:38 -0800 | [diff] [blame] | 106 | |
| 107 | |
| 108 | if __name__ == '__main__': |
| 109 | retval = Main(sys.argv) |
| 110 | sys.exit(retval) |