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Benjamin Graillot
scripts
Commits
1726b669
Commit
1726b669
authored
Apr 10, 2015
by
Daniel STAN
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menage: reset ip vieilles machines WiFi
On me le demande régulièrement, le voilà.
parent
25022bde
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gestion/menage/TODO
gestion/menage/TODO
+2
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gestion/menage/old_wifi_machines.py
gestion/menage/old_wifi_machines.py
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gestion/menage/TODO
0 → 100644
View file @
1726b669
Mettre ici tous les scripts relatifs au nettoyage de la base de données.
(vieilles machines inutilisés, vieux comptes, chambres invalides, etc)
gestion/menage/old_wifi_machines.py
0 → 100755
View file @
1726b669
#!/bin/bash /usr/scripts/python.sh
# -*- coding: utf-8 -*-
"""Efface les machines wifi pas vues dans les logs depuis un certain temps.
Par effacement, on veut dire ici qu'on réalloue le rid"""
import
re
import
subprocess
import
datetime
import
os
from
lc_ldap.shortcuts
import
lc_ldap_admin
from
lc_ldap.crans_utils
import
format_mac
MAC
=
re
.
compile
(
'[\-:]'
.
join
(
'[a-f0-9]{2}'
for
_
in
xrange
(
6
)),
re
.
IGNORECASE
)
FILTER
=
u
'(&(objectClass=machineWifi)(ipHostNumber=*))'
def
get_creation_date
(
machine
):
"""Plus vieille ligne d'histo = date de création, en datetime"""
return
min
(
hist
.
get_datetime
()
for
hist
in
machine
[
'historique'
])
def
do_cleanup
(
older
):
"""Do the actual clean-up, for machines not connected for more than
`older` days"""
ldap
=
lc_ldap_admin
()
print
"Search machines"
machines
=
ldap
.
search
(
FILTER
,
mode
=
'rw'
,
sizelimit
=
3000
)
print
"Listing macs ..."
deadline
=
datetime
.
datetime
.
now
()
-
datetime
.
timedelta
(
days
=
older
)
def
is_old
(
machine
):
"""Est-ce une machine créée il y a un moment déjà ? On ne garde
que celles-ci"""
return
get_creation_date
(
machine
)
<
deadline
macs
=
set
(
machine
[
'macAddress'
][
0
].
value
for
machine
in
machines
\
if
is_old
(
machine
))
print
"%d macs to test"
%
len
(
macs
)
for
filename
in
file_list
(
older
):
print
"Parsing %s"
%
filename
mac_seen
=
set
(
macs_in_file
(
filename
))
print
" Diff ..."
macs
.
difference_update
(
mac_seen
)
print
"Will reset %d macs"
%
len
(
macs
)
print
"Continue ? (^C to stop)"
raw_input
()
for
machine
in
machines
:
if
machine
[
'macAddress'
][
0
].
value
in
macs
:
reset_ip
(
machine
)
def
reset_ip
(
machine
):
"""Retire l'ip (et le rid) d'une machine"""
print
"Resetting ip for %r"
%
machine
with
machine
:
machine
[
'rid'
]
=
[]
machine
[
'ipHostNumber'
]
=
[]
machine
.
history_gen
()
machine
.
save
()
def
macs_in_file
(
filename
):
"""Itérateur des macs dans `filename`"""
if
not
os
.
path
.
exists
(
filename
):
raise
Exception
(
u
"le fichier %r n'existe pas, êtes-vous sur le bon"
+
"serveur ?"
%
filename
)
if
filename
.
endswith
(
'.gz'
):
cat
=
'zcat'
else
:
cat
=
'cat'
proc
=
subprocess
.
Popen
([
cat
,
filename
],
stdout
=
subprocess
.
PIPE
)
for
line
in
proc
.
stdout
.
readlines
():
for
mac
in
MAC
.
findall
(
line
):
yield
format_mac
(
mac
)
def
file_list
(
num
):
"""Itérateur des noms de fichiers à parser, pour les n derniers jours"""
base
=
'/var/log/wifi/global.log'
if
num
>
0
:
yield
base
for
last
in
xrange
(
1
,
num
):
yield
"%s.%d.gz"
%
(
base
,
last
)
do_cleanup
(
31
*
3
)
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