django-orchestra-test/orchestra/apps/systemusers/backends.py

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import os
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import textwrap
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from django.utils.translation import ugettext_lazy as _
from orchestra.apps.orchestration import ServiceController
from orchestra.apps.resources import ServiceMonitor
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from . import settings
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class SystemUserBackend(ServiceController):
verbose_name = _("System user")
model = 'systemusers.SystemUser'
actions = ('save', 'delete', 'grant_permission')
def save(self, user):
context = self.get_context(user)
groups = ','.join(self.get_groups(user))
context['groups_arg'] = '--groups %s' % groups if groups else ''
# TODO userd add will fail if %(user)s group already exists
self.append(textwrap.dedent("""
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if [[ $( id %(user)s ) ]]; then
usermod %(user)s --password '%(password)s' --shell %(shell)s %(groups_arg)s
else
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useradd %(user)s --home %(home)s --password '%(password)s' --shell %(shell)s %(groups_arg)s
fi
mkdir -p %(home)s
chmod 750 %(home)s
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chown %(user)s:%(user)s %(home)s""") % context
)
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for member in settings.SYSTEMUSERS_DEFAULT_GROUP_MEMBERS:
context['member'] = member
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self.append('usermod -a -G %(user)s %(member)s' % context)
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if not user.is_main:
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self.append('usermod -a -G %(user)s %(mainuser)s' % context)
def delete(self, user):
context = self.get_context(user)
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self.append(textwrap.dedent("""\
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{ sleep 2 && killall -u %(user)s -s KILL; } &
killall -u %(user)s || true
userdel %(user)s || true
groupdel %(group)s || true""") % context
)
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self.delete_home(context, user)
def grant_permission(self, user):
context = self.get_context(user)
# TODO setacl
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def delete_home(self, context, user):
if user.home.rstrip('/') == user.get_base_home().rstrip('/'):
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# TODO delete instead of this shit
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self.append("mv %(home)s %(home)s.deleted" % context)
def get_groups(self, user):
if user.is_main:
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return user.account.systemusers.exclude(username=user.username).values_list('username', flat=True)
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return list(user.groups.values_list('username', flat=True))
def get_context(self, user):
context = {
'object_id': user.pk,
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'user': user.username,
'group': user.username,
'password': user.password if user.active else '*%s' % user.password,
'shell': user.shell,
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'mainuser': user.username if user.is_main else user.account.username,
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'home': user.get_home()
}
return context
class SystemUserDisk(ServiceMonitor):
model = 'systemusers.SystemUser'
resource = ServiceMonitor.DISK
verbose_name = _('Systemuser disk')
def prepare(self):
super(SystemUserDisk, self).prepare()
self.append(textwrap.dedent("""\
function monitor () {
{ du -bs "$1" || echo 0; } | awk {'print $1'}
}"""
))
def monitor(self, user):
context = self.get_context(user)
if user.is_main or os.path.normpath(user.home) == user.get_base_home():
self.append("echo %(object_id)s $(monitor %(home)s)" % context)
else:
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# Home is already included in other user home
self.append("echo %(object_id)s 0" % context)
def get_context(self, user):
return {
'object_id': user.pk,
'home': user.home,
}
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class FTPTrafficBash(ServiceMonitor):
model = 'systemusers.SystemUser'
resource = ServiceMonitor.TRAFFIC
verbose_name = _('Systemuser FTP traffic (Bash)')
def prepare(self):
super(FTPTrafficBash, self).prepare()
context = {
'log_file': '%s{,.1}' % settings.SYSTEMUSERS_FTP_LOG_PATH,
'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
}
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self.append(textwrap.dedent("""\
function monitor () {
OBJECT_ID=$1
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INI_DATE=$(date "+%%Y%%m%%d%%H%%M%%S" -d "$2")
END_DATE=$(date '+%%Y%%m%%d%%H%%M%%S' -d '%(current_date)s')
USERNAME="$3"
LOG_FILE=%(log_file)s
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{
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grep " bytes, " ${LOG_FILE} \\
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| grep " \\[${USERNAME}\\] " \\
| awk -v ini="${INI_DATE}" -v end="${END_DATE}" '
BEGIN {
sum = 0
months["Jan"] = "01"
months["Feb"] = "02"
months["Mar"] = "03"
months["Apr"] = "04"
months["May"] = "05"
months["Jun"] = "06"
months["Jul"] = "07"
months["Aug"] = "08"
months["Sep"] = "09"
months["Oct"] = "10"
months["Nov"] = "11"
months["Dec"] = "12"
} {
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# Fri Jul 1 13:23:17 2014
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split($4, time, ":")
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day = sprintf("%%02d", $3)
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# line_date = year month day hour minute second
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line_date = $5 months[$2] day time[1] time[2] time[3]
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if ( line_date > ini && line_date < end) {
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sum += $(NF-2)
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}
} END {
print sum
}' || [[ $? == 1 ]] && true
} | xargs echo ${OBJECT_ID}
}""") % context)
def monitor(self, user):
context = self.get_context(user)
self.append(
'monitor {object_id} "{last_date}" "{username}"'.format(**context)
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)
def get_context(self, user):
return {
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'last_date': self.get_last_date(user.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
'object_id': user.pk,
'username': user.username,
}
class Exim4Traffic(ServiceMonitor):
model = 'systemusers.SystemUser'
resource = ServiceMonitor.TRAFFIC
verbose_name = _("Exim4 traffic usage")
script_executable = '/usr/bin/python'
def prepare(self):
mainlog = '/var/log/exim4/mainlog'
context = {
'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
'mainlogs': str((mainlog, mainlog+'.1')),
}
self.append(textwrap.dedent("""\
import re
import sys
from datetime import datetime
from dateutil import tz
def to_local_timezone(date, tzlocal=tz.tzlocal()):
date = datetime.strptime(date, '%Y-%m-%d %H:%M:%S %Z')
date = date.replace(tzinfo=tz.tzutc())
date = date.astimezone(tzlocal)
return date
mainlogs = {mainlogs}
# Use local timezone
end_date = to_local_timezone('{current_date}')
end_date = int(end_date.strftime('%Y%m%d%H%M%S'))
users = {{}}
def prepare(object_id, username, ini_date):
global users
ini_date = to_local_timezone(ini_date)
ini_date = int(ini_date.strftime('%Y%m%d%H%M%S'))
users[username] = [ini_date, object_id, 0]
def monitor(users, end_date, mainlogs):
user_regex = re.compile(r' U=([^ ]+) ')
for mainlog in mainlogs:
try:
with open(mainlog, 'r') as mainlog:
for line in mainlog.readlines():
if ' <= ' in line and 'P=local' in line:
username = user_regex.search(line).groups()[0]
try:
sender = users[username]
except KeyError:
continue
else:
date, time, id, __, __, user, protocol, size = line.split()[:8]
date = date.replace('-', '')
date += time.replace(':', '')
if sender[0] < int(date) < end_date:
sender[2] += int(size[2:])
except IOError as e:
sys.stderr.write(e)
for username, opts in users.iteritems():
__, object_id, size = opts
print object_id, size
""").format(**context)
)
def commit(self):
self.append('monitor(users, end_date, mainlogs)')
def monitor(self, user):
context = self.get_context(user)
self.append("prepare(%(object_id)s, '%(username)s', '%(last_date)s')" % context)
def get_context(self, user):
return {
# 'mainlog': settings.LISTS_MAILMAN_POST_LOG_PATH,
'username': user.username,
'object_id': user.pk,
'last_date': self.get_last_date(user.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
}
class FTPTraffic(ServiceMonitor):
model = 'systemusers.SystemUser'
resource = ServiceMonitor.TRAFFIC
verbose_name = _('Systemuser FTP traffic')
script_executable = '/usr/bin/python'
def prepare(self):
vsftplog = settings.SYSTEMUSERS_FTP_LOG_PATH
context = {
'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
'vsftplogs': str((vsftplog, vsftplog+'.1')),
}
self.append(textwrap.dedent("""\
import re
import sys
from datetime import datetime
from dateutil import tz
def to_local_timezone(date, tzlocal=tz.tzlocal()):
date = datetime.strptime(date, '%Y-%m-%d %H:%M:%S %Z')
date = date.replace(tzinfo=tz.tzutc())
date = date.astimezone(tzlocal)
return date
vsftplogs = {vsftplogs}
# Use local timezone
end_date = to_local_timezone('{current_date}')
end_date = int(end_date.strftime('%Y%m%d%H%M%S'))
users = {{}}
months = {{
'Jan': '01',
'Feb': '02',
'Mar': '03',
'Apr': '04',
'May': '05',
'Jun': '06',
'Jul': '07',
'Aug': '08',
'Sep': '09',
'Oct': '10',
'Nov': '11',
'Dec': '12',
}}
def prepare(object_id, username, ini_date):
global users
ini_date = to_local_timezone(ini_date)
ini_date = int(ini_date.strftime('%Y%m%d%H%M%S'))
users[username] = [ini_date, object_id, 0]
def monitor(users, end_date, months, vsftplogs):
user_regex = re.compile(r'\] \[([^ ]+)\] OK ')
bytes_regex = re.compile(r', ([0-9]+) bytes, ')
for vsftplog in vsftplogs:
try:
with open(vsftplog, 'r') as vsftplog:
for line in vsftplog.readlines():
if ' bytes, ' in line:
username = user_regex.search(line).groups()[0]
try:
user = users[username]
except KeyError:
continue
else:
__, month, day, time, year = line.split()[:5]
date = year + months[month] + day + time.replace(':', '')
if user[0] < int(date) < end_date:
bytes = bytes_regex.search(line).groups()[0]
user[2] += int(bytes)
except IOError as e:
sys.stderr.write(e)
for username, opts in users.iteritems():
__, object_id, size = opts
print object_id, size
""").format(**context)
)
def monitor(self, user):
context = self.get_context(user)
self.append("prepare(%(object_id)s, '%(username)s', '%(last_date)s')" % context)
def commit(self):
self.append('monitor(users, end_date, months, vsftplogs)')
def get_context(self, user):
return {
'last_date': self.get_last_date(user.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
'object_id': user.pk,
'username': user.username,
}