X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=modules%2Fporterbox%2Ffiles%2Fmail-big-homedirs;h=5113f46f0165762e42875bd37f181316552286db;hb=52bd6246ce28db656f0c7750b03bdb415f6fdbb6;hp=b04f5e61539c02ca9b3a20dec129663949e8891d;hpb=55476a0cadb8d00caf2937de8599db6df1d83c2d;p=mirror%2Fdsa-puppet.git diff --git a/modules/porterbox/files/mail-big-homedirs b/modules/porterbox/files/mail-big-homedirs index b04f5e615..5113f46f0 100755 --- a/modules/porterbox/files/mail-big-homedirs +++ b/modules/porterbox/files/mail-big-homedirs @@ -2,7 +2,7 @@ ## vim:set et ts=2 sw=2 ai: # Send email reminders to users having sizable homedirs. ## -# Copyright (c) 2013 Philipp Kern +# Copyright (c) 2013 Philipp Kern # Copyright (c) 2013 Peter Palfrader # Copyright (c) 2013 Luca Filipozzi # @@ -24,8 +24,6 @@ # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. -from __future__ import print_function - from collections import defaultdict import email import email.mime.text @@ -34,7 +32,6 @@ import logging import os.path import platform import pwd -import random import subprocess import struct import time @@ -43,40 +40,35 @@ import StringIO # avoid base64 encoding for utf-8 email.charset.add_charset('utf-8', email.charset.SHORTEST, email.charset.QP) -SENDMAIL = ['/usr/sbin/sendmail', '-t', '-oi'] -#SENDMAIL = ['/bin/cat'] - -EXPLANATIONS = [ -u"""\ -{hostname}'s /home is, unfortunately, not infinite in size. If you have -anything in there that you no longer need, please clean it up.""" -,u"""\ -Can you please look at your $HOME on {hostname} and remove files which -you no longer need (such as old sources).""" -,u"""\ -Thanks for your porting effort on {hostname}! +DRYRUN = False -Please note that on most porterboxes /home is quite small, so please remove -files that you do not need anymore.""" - ] +if DRYRUN: + SENDMAIL_COMMAND = ['/bin/cat'] + RM_COMMAND = ['/bin/echo', 'Would remove'] +else: + SENDMAIL_COMMAND = ['/usr/sbin/sendmail', '-t', '-oi'] + RM_COMMAND = ['/bin/rm', '-rf'] CRITERIA = [ - { 'days': 5, 'size': 10240 }, - { 'days': 10, 'size': 1024 }, - { 'days': 30, 'size': 100 }, - { 'days': 60, 'size': 60 }, - { 'days': 90, 'size': 10 } + { 'size': 10240, 'notifyafter': 5, 'deleteafter': 40 }, + { 'size': 1024, 'notifyafter': 10, 'deleteafter': 50 }, + { 'size': 100, 'notifyafter': 30, 'deleteafter': 90 }, + { 'size': 20, 'notifyafter': 90, 'deleteafter': 150 }, + { 'size': 5, 'deleteafter': 700 } ] -EXCLUDED_USERNAMES = ['lost+found'] +EXCLUDED_USERNAMES = ['lost+found', 'debian'] MAIL_FROM = 'debian-admin (via Cron) ' MAIL_TO = '{username}@{hostname}.debian.org' MAIL_CC = 'debian-admin (bulk sink) ' MAIL_REPLYTO = 'debian-admin ' MAIL_SUBJECT = 'Please clean up ~{username} on {hostname}.debian.org' MAIL_MESSAGE = u"""\ -Hi {name}! +Hi {realname}! + +Thanks for your porting effort on {hostname}! -{explanation} +Please note that, on most porterboxes, /home is quite small, so please +remove files that you do not need anymore. For your information, you last logged into {hostname} {days_ago} days ago, and your home directory there is {homedir_size} MB in size. @@ -90,7 +82,7 @@ Thanks, Debian System Administration Team via Cron -PS: replies not required. +PS: A reply is not required. """ class Error(Exception): @@ -101,7 +93,7 @@ class SendmailError(Error): class LastlogTimes(dict): LASTLOG_STRUCT = '=L32s256s' - + def __init__(self): record_size = struct.calcsize(self.LASTLOG_STRUCT) with open('/var/log/lastlog', 'r') as fp: @@ -109,26 +101,31 @@ class LastlogTimes(dict): for record in iter(lambda: fp.read(record_size), ''): uid += 1 # so keep incrementing uid for each record read lastlog_time, _, _ = list(struct.unpack(self.LASTLOG_STRUCT, record)) - if lastlog_time == 0: - continue try: self[pwd.getpwuid(uid).pw_name] = lastlog_time except KeyError: - logging.error('could not resolve username from uid') + # this is a normal condition continue class HomedirSizes(dict): def __init__(self): for direntry in glob.glob('/home/*'): username = os.path.basename(direntry) + if username in EXCLUDED_USERNAMES: continue + try: pwinfo = pwd.getpwnam(username) except KeyError: if os.path.isdir(direntry): logging.warning('directory %s exists on %s but there is no %s user', direntry, platform.node(), username) continue + + if pwinfo.pw_dir != direntry: + logging.warning('home directory for %s is not %s, but that exists. confused.', username, direntry) + continue + command = ['/usr/bin/du', '-ms', pwinfo.pw_dir] p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stdout, stderr) = p.communicate() @@ -147,7 +144,7 @@ class HomedirReminder(object): self.lastlog_times = LastlogTimes() self.homedir_sizes = HomedirSizes() - def send_mail(self, **kwargs): + def notify(self, **kwargs): msg = email.mime.text.MIMEText(MAIL_MESSAGE.format(**kwargs), _charset='UTF-8') msg['From'] = MAIL_FROM.format(**kwargs) msg['To'] = MAIL_TO.format(**kwargs) @@ -158,24 +155,51 @@ class HomedirReminder(object): msg['Subject'] = MAIL_SUBJECT.format(**kwargs) msg['Precedence'] = "bulk" msg['Auto-Submitted'] = "auto-generated by mail-big-homedirs" - p = subprocess.Popen(SENDMAIL, stdin=subprocess.PIPE) + p = subprocess.Popen(SENDMAIL_COMMAND, stdin=subprocess.PIPE) p.communicate(msg.as_string()) logging.debug(msg.as_string()) if p.returncode != 0: raise SendmailError + def remove(self, **kwargs): + try: + pwinfo = pwd.getpwnam(kwargs.get('username')) + except KeyError: + return + + command = RM_COMMAND + [pwinfo.pw_dir] + p = subprocess.check_call(command) + def run(self): current_time = time.time() + for username, homedir_size in self.homedir_sizes.iteritems(): try: - name = pwd.getpwnam(username).pw_gecos.decode('utf-8').split(',', 1)[0].split(' ', 1)[0] + realname = pwd.getpwnam(username).pw_gecos.decode('utf-8').split(',', 1)[0] except: - name = username + realname = username lastlog_time = self.lastlog_times[username] days_ago = int( (current_time - lastlog_time) / 3600 / 24 ) - if [x for x in CRITERIA if days_ago >= x['days'] and homedir_size >= x['size']]: - explanation = EXPLANATIONS[random.randint(0,len(EXPLANATIONS)-1)].format(hostname=platform.node()) - self.send_mail(hostname=platform.node(), username=username, name=name, explanation=explanation, homedir_size=homedir_size, days_ago=days_ago) + kwargs = { + 'hostname': platform.node(), + 'username': username, + 'realname': realname, + 'homedir_size': homedir_size, + 'days_ago': days_ago + } + + notify = False + remove = False + for x in CRITERIA: + if homedir_size > x['size'] and 'notifyafter' in x and days_ago >= x['notifyafter']: + notify = True + if homedir_size > x['size'] and 'deleteafter' in x and days_ago >= x['deleteafter']: + remove = True + + if remove: + self.remove(**kwargs) + elif notify: + self.notify(**kwargs) if __name__ == '__main__': logging.basicConfig()