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Benjamin Renard 2020-12-18 11:24:09 +01:00
parent 99aa93a497
commit d19d121843
2 changed files with 473 additions and 392 deletions
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8
.pylintrc Normal file
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@ -0,0 +1,8 @@
[MESSAGES CONTROL]
disable=line-too-long,
missing-docstring,
invalid-name,
locally-disabled,
too-many-arguments,
too-many-branches,
redefined-outer-name,

433
check_syncrepl_extended
View file

@ -26,149 +26,196 @@
#
# This script could be use as Nagios plugin (-n argument)
#
# Requirement :
# Requirement:
# A single couple of DN and password able to connect to both server
# and without restriction to retrieve objects from servers.
#
# Author : Benjamin Renard <brenard@easter-eggs.com>
# Date : Mon, 10 Dec 2012 18:04:24 +0100
# Source : http://git.zionetrix.net/check_syncrepl_extended
# Author: Benjamin Renard <brenard@easter-eggs.com>
# Date: Mon, 10 Dec 2012 18:04:24 +0100
# Source: http://git.zionetrix.net/check_syncrepl_extended
#
import ldap
from ldap.controls import SimplePagedResultsControl
import ldap.modlist as modlist
import argparse
import logging
import sys
import getpass
from optparse import OptionParser
import ldap
from ldap import LDAPError # pylint: disable=no-name-in-module
from ldap.controls import SimplePagedResultsControl
import ldap.modlist as modlist
TOUCH_VALUE='%%TOUCH%%'
TOUCH_VALUE = '%%TOUCH%%'
parser = OptionParser(version="%prog version 1.0\n\nDate : Mon, 10 Dec 2012 18:04:24 +0100\nAuthor : Benjamin Renard <brenard@easter-eggs.com>\nSource : http://git.zionetrix.net/check_syncrepl_extended")
parser = argparse.ArgumentParser(
version="""%prog version 1.1
parser.add_option( "-p", "--provider",
Date: Fri, 18 Dec 2020 10:48:45 +0100
Author: Benjamin Renard <brenard@easter-eggs.com>
Source: https://gogs.zionetrix.net/bn8/check_syncrepl_extended
"""
)
parser.add_argument(
"-p", "--provider",
dest="provider",
action="store",
type='string',
help="LDAP provider URI (example : ldaps://ldapmaster.foo:636)")
type=str,
help="LDAP provider URI (example: ldaps://ldapmaster.foo:636)"
)
parser.add_option( "-c", "--consumer",
parser.add_argument(
"-c", "--consumer",
dest="consumer",
action="store",
type='string',
help="LDAP consumer URI (example : ldaps://ldapslave.foo:636)")
type=str,
help="LDAP consumer URI (example: ldaps://ldapslave.foo:636)"
)
parser.add_option( "-i", "--serverID",
parser.add_argument(
"-i", "--serverID",
dest="serverid",
action="store",
type='int',
type=int,
help="Compare contextCSN of a specific master. Useful in MultiMaster setups where each master has a unique ID and a contextCSN for each replicated master exists. A valid serverID is a integer value from 0 to 4095 (limited to 3 hex digits, example: '12' compares the contextCSN matching '#00C#')",
default=False)
default=False
)
parser.add_option( "-T", "--starttls",
parser.add_argument(
"-T", "--starttls",
dest="starttls",
action="store_true",
help="Start TLS on LDAP provider/consumers connections",
default=False)
default=False
)
parser.add_option( "-D", "--dn",
parser.add_argument(
"-D", "--dn",
dest="dn",
action="store",
type='string',
help="LDAP bind DN (example : uid=nagios,ou=sysaccounts,o=example")
type=str,
help="LDAP bind DN (example: uid=nagios,ou=sysaccounts,o=example"
)
parser.add_option( "-P", "--pwd",
parser.add_argument(
"-P", "--pwd",
dest="pwd",
action="store",
type='string',
type=str,
help="LDAP bind password",
default=None)
default=None
)
parser.add_option( "-b", "--basedn",
parser.add_argument(
"-b", "--basedn",
dest="basedn",
action="store",
type='string',
help="LDAP base DN (example : o=example)")
type=str,
help="LDAP base DN (example: o=example)"
)
parser.add_option( "-f", "--filter",
dest="filter",
parser.add_argument(
"-f", "--filter",
dest="filterstr",
action="store",
type='string',
help="LDAP filter (default : (objectClass=*))",
default='(objectClass=*)')
type=str,
help="LDAP filter (default: (objectClass=*))",
default='(objectClass=*)'
)
parser.add_option( "-d", "--debug",
parser.add_argument(
"-d", "--debug",
dest="debug",
action="store_true",
help="Debug mode",
default=False)
default=False
)
parser.add_option( "-n", "--nagios",
parser.add_argument(
"-n", "--nagios",
dest="nagios",
action="store_true",
help="Nagios check plugin mode",
default=False)
default=False
)
parser.add_option( "-q", "--quiet",
parser.add_argument(
"-q", "--quiet",
dest="quiet",
action="store_true",
help="Quiet mode",
default=False)
default=False
)
parser.add_option( "--no-check-certificate",
parser.add_argument(
"--no-check-certificate",
dest="nocheckcert",
action="store_true",
help="Don't check the server certificate (Default : False)",
default=False)
help="Don't check the server certificate (Default: False)",
default=False
)
parser.add_option( "--no-check-contextCSN",
parser.add_argument(
"--no-check-contextCSN",
dest="nocheckcontextcsn",
action="store_true",
help="Don't check servers contextCSN (Default : False)",
default=False)
help="Don't check servers contextCSN (Default: False)",
default=False
)
parser.add_option( "-a", "--attributes",
parser.add_argument(
"-a", "--attributes",
dest="attrs",
action="store_true",
help="Check attributes values (Default : check only entryCSN)",
default=False)
help="Check attributes values (Default: check only entryCSN)",
default=False
)
parser.add_option( "--exclude-attributes",
parser.add_argument(
"--exclude-attributes",
dest="excl_attrs",
action="store",
type='string',
type=str,
help="Don't check this attribut (only in attribute check mode)",
default=None)
default=None
)
parser.add_option( "--touch",
parser.add_argument(
"--touch",
dest="touch",
action="store",
type='string',
type=str,
help="Touch attribute giving in parameter to force resync a this LDAP object from provider. A value '%s' will be add to this attribute and remove after. The user use to connect to the LDAP directory must have write permission on this attribute on each object." % TOUCH_VALUE,
default=None)
default=None
)
parser.add_option( "--replace-touch",
parser.add_argument(
"--replace-touch",
dest="replacetouch",
action="store_true",
help="In touch mode, replace value instead of adding.",
default=False)
default=False
)
parser.add_option( "--remove-touch-value",
parser.add_argument(
"--remove-touch-value",
dest="removetouchvalue",
action="store_true",
help="In touch mode, remove touch value if present.",
default=False)
default=False
)
parser.add_option( "--page-size",
parser.add_argument(
"--page-size",
dest="page_size",
action="store",
type='int',
help="Page size : if defined, paging control using LDAP v3 extended control will be enabled.",
default=None)
type=int,
help="Page size: if defined, paging control using LDAP v3 extended control will be enabled.",
default=None
)
(options, args) = parser.parse_args()
options = parser.parse_args()
if not options.provider or not options.consumer:
print "You must provide provider and customer URI"
@ -190,29 +237,29 @@ if not 0 <= options.serverid <= 4095:
if options.touch and not options.attrs:
logging.info('Force option attrs on touch mode')
options.attrs=True
options.attrs = True
if options.dn and options.pwd is None:
options.pwd=getpass.getpass()
options.pwd = getpass.getpass()
excl_attrs=[]
excl_attrs = []
if options.excl_attrs:
for ex in options.excl_attrs.split(','):
excl_attrs.append(ex.strip())
FORMAT="%(asctime)s - %(levelname)s : %(message)s"
FORMAT = "%(asctime)s - %(levelname)s: %(message)s"
if options.debug:
logging.basicConfig(level=logging.DEBUG,format=FORMAT)
ldap.set_option(ldap.OPT_DEBUG_LEVEL,0)
logging.basicConfig(level=logging.DEBUG, format=FORMAT)
ldap.set_option(ldap.OPT_DEBUG_LEVEL, 0) # pylint: disable=no-member
ldapmodule_trace_level = 1
ldapmodule_trace_file = sys.stderr
elif options.nagios:
logging.basicConfig(level=logging.ERROR,format=FORMAT)
logging.basicConfig(level=logging.ERROR, format=FORMAT)
elif options.quiet:
logging.basicConfig(level=logging.WARNING,format=FORMAT)
logging.basicConfig(level=logging.WARNING, format=FORMAT)
else:
logging.basicConfig(level=logging.INFO,format=FORMAT)
logging.basicConfig(level=logging.INFO, format=FORMAT)
class LdapServer(object):
@ -223,7 +270,7 @@ class LdapServer(object):
con = 0
def __init__(self,uri,dn,pwd, start_tls=False, page_size=None):
def __init__(self, uri, dn, pwd, start_tls=False, page_size=None):
self.uri = uri
self.dn = dn
self.pwd = pwd
@ -234,87 +281,92 @@ class LdapServer(object):
if self.con == 0:
try:
con = ldap.initialize(self.uri)
con.protocol_version = ldap.VERSION3
con.protocol_version = ldap.VERSION3 # pylint: disable=no-member
if self.start_tls:
con.start_tls_s()
if self.dn:
con.simple_bind_s(self.dn,self.pwd)
con.simple_bind_s(self.dn, self.pwd)
self.con = con
except LDAPError:
logging.error("LDAP Error", exc_info=True)
return False
return True
except ldap.LDAPError, e:
logging.error("LDAP Error : %s" % e)
return
def getContextCSN(self,basedn=False,serverid=False):
def getContextCSN(self, basedn=False, serverid=False):
if not basedn:
basedn=self.dn
data=self.search(basedn,'(objectclass=*)',['contextCSN'])
if len(data)>0:
contextCSNs=data[0][0][1]['contextCSN']
logging.debug('Found contextCSNs %s' % contextCSNs)
basedn = self.dn
data = self.search(basedn, '(objectclass=*)', ['contextCSN'])
if data:
contextCSNs = data[0][0][1]['contextCSN']
logging.debug('Found contextCSNs %s', contextCSNs)
if serverid is False:
return contextCSNs[0]
else:
csnid=str(format(serverid, 'X')).zfill(3)
sub='#%s#' % csnid
CSN=[s for s in contextCSNs if sub in s]
csnid = str(format(serverid, 'X')).zfill(3)
sub = '#%s#' % csnid
CSN = [s for s in contextCSNs if sub in s]
if not CSN:
logging.error("No contextCSN matching with ServerID %s (=%s) could be found." % (serverid,sub))
logging.error(
"No contextCSN matching with ServerID %s (=%s) could be found.",
serverid, sub
)
return False
else:
return CSN[0]
else:
return False
def search(self,basedn,filter,attrs):
def search(self, basedn, filterstr, attrs):
if self.page_size:
return self.paged_search(basedn,filter,attrs)
res_id = self.con.search(basedn,ldap.SCOPE_SUBTREE,filter,attrs)
return self.paged_search(basedn, filterstr, attrs)
res_id = self.con.search(basedn, ldap.SCOPE_SUBTREE, filterstr, attrs) # pylint: disable=no-member
ret = []
while 1:
res_type, res_data = self.con.result(res_id,0)
res_type, res_data = self.con.result(res_id, 0)
if res_data == []:
break
else:
if res_type == ldap.RES_SEARCH_ENTRY:
if res_type == ldap.RES_SEARCH_ENTRY: # pylint: disable=no-member
ret.append(res_data)
return ret
def paged_search(self,basedn,filter,attrs):
def paged_search(self, basedn, filterstr, attrs):
ret = []
page = 0
pg_ctrl = SimplePagedResultsControl(True, self.page_size, '')
pg_oid = SimplePagedResultsControl.controlType
while page == 0 or pg_ctrl.cookie:
page += 1
logging.debug('Page search : loading page %d' % page)
res_id = self.con.search_ext(basedn,ldap.SCOPE_SUBTREE,filter,attrs,serverctrls=[pg_ctrl])
res_type, res_data, res_id, serverctrls = self.con.result3(res_id)
logging.debug('Page search: loading page %d', page)
res_id = self.con.search_ext(
basedn, ldap.SCOPE_SUBTREE, # pylint: disable=no-member
filterstr, attrs,
serverctrls=[pg_ctrl]
)
res_type, res_data, res_id, serverctrls = self.con.result3(res_id) # pylint: disable=unused-variable
for serverctrl in serverctrls:
if serverctrl.controlType == pg_oid:
if serverctrl.controlType == SimplePagedResultsControl.controlType:
pg_ctrl.cookie = serverctrl.cookie
break
for item in res_data:
ret.append([item])
return ret
def update_object(self,dn,old,new):
ldif = modlist.modifyModlist(old,new)
def update_object(self, dn, old, new):
ldif = modlist.modifyModlist(old, new)
if ldif == []:
return True
try:
logging.debug('Update object %s : %s' % (dn,ldif))
self.con.modify_s(dn,ldif)
logging.debug('Update object %s: %s', dn, ldif)
self.con.modify_s(dn, ldif)
return True
except ldap.LDAPError, e:
logging.error('Error updating object %s : %s' % (dn,e))
except LDAPError:
logging.error('Error updating object %s', dn, exc_info=True)
return False
def get_attr(self,obj,attr):
@staticmethod
def get_attr(obj, attr):
if attr in obj[0][1]:
return obj[0][1][attr]
return []
def touch_object(self,dn,attr,orig_value):
def touch_object(self, dn, attr, orig_value):
old = {}
if orig_value:
old[attr] = orig_value
@ -330,29 +382,32 @@ class LdapServer(object):
else:
new[attr].append(TOUCH_VALUE)
try:
logging.info('Touch object "%s" on attribute "%s" : %s => %s', dn, attr, old, new)
logging.info(
'Touch object "%s" on attribute "%s": %s => %s',
dn, attr, old, new
)
if self.update_object(dn, old, new):
logging.info('Restore original value of attribute "%s" of object "%s"', attr, dn)
if options.removetouchvalue and TOUCH_VALUE in old[attr]:
old[attr].remove(TOUCH_VALUE)
self.update_object(dn, new, old)
return True
except ldap.LDAPError:
except LDAPError:
logging.error('Error touching object "%s"', dn, exc_info=True)
return False
if options.nocheckcert:
ldap.set_option(ldap.OPT_X_TLS_REQUIRE_CERT,ldap.OPT_X_TLS_NEVER)
ldap.set_option(ldap.OPT_X_TLS_REQUIRE_CERT, ldap.OPT_X_TLS_NEVER) # pylint: disable=no-member
servers=[options.provider,options.consumer]
servers = [options.provider, options.consumer]
LdapServers={}
LdapObjects={}
LdapServersCSN={}
LdapServers = {}
LdapObjects = {}
LdapServersCSN = {}
for srv in servers:
logging.info('Connect to %s' % srv)
LdapServers[srv]=LdapServer(srv, options.dn, options.pwd, options.starttls, page_size=options.page_size)
logging.info('Connect to %s', srv)
LdapServers[srv] = LdapServer(srv, options.dn, options.pwd, options.starttls, page_size=options.page_size)
if not LdapServers[srv].connect():
if options.nagios:
@ -362,87 +417,99 @@ for srv in servers:
sys.exit(1)
if not options.nocheckcontextcsn:
LdapServersCSN[srv]=LdapServers[srv].getContextCSN(options.basedn,options.serverid)
logging.info('ContextCSN of %s : %s' % (srv, LdapServersCSN[srv]))
LdapServersCSN[srv] = LdapServers[srv].getContextCSN(options.basedn, options.serverid)
logging.info('ContextCSN of %s: %s', srv, LdapServersCSN[srv])
logging.info('List objects from %s' % srv)
LdapObjects[srv]={}
logging.info('List objects from %s', srv)
LdapObjects[srv] = {}
if options.attrs:
for obj in LdapServers[srv].search(options.basedn,options.filter,[]):
logging.debug('Found on %s : %s' % (srv,obj[0][0]))
LdapObjects[srv][obj[0][0]]=obj[0][1]
for obj in LdapServers[srv].search(options.basedn, options.filterstr, []):
logging.debug('Found on %s: %s', srv, obj[0][0])
LdapObjects[srv][obj[0][0]] = obj[0][1]
else:
for obj in LdapServers[srv].search(options.basedn,options.filter,['entryCSN']):
logging.debug('Found on %s : %s / %s' % (srv,obj[0][0],obj[0][1]['entryCSN'][0]))
LdapObjects[srv][obj[0][0]]=obj[0][1]['entryCSN'][0]
for obj in LdapServers[srv].search(options.basedn, options.filterstr, ['entryCSN']):
logging.debug(
'Found on %s: %s / %s',
srv, obj[0][0], obj[0][1]['entryCSN'][0]
)
LdapObjects[srv][obj[0][0]] = obj[0][1]['entryCSN'][0]
logging.info('%s objects founds' % len(LdapObjects[srv]))
logging.info('%s objects founds', len(LdapObjects[srv]))
not_found={}
not_sync={}
not_found = {}
not_sync = {}
for srv in servers:
not_found[srv]=[]
not_sync[srv]=[]
not_found[srv] = []
not_sync[srv] = []
if options.attrs:
logging.info("Check if objects a are synchronized (by comparing attributes's values)")
else:
logging.info('Check if objets are synchronized (by comparing entryCSN)')
for obj in LdapObjects[options.provider]:
logging.debug('Check obj %s' % (obj))
logging.debug('Check obj %s', obj)
for srv in LdapObjects:
if srv == options.provider:
continue
if obj in LdapObjects[srv]:
touch=False
touch = False
if LdapObjects[options.provider][obj] != LdapObjects[srv][obj]:
if options.attrs:
attrs_list=[]
attrs_list = []
for attr in LdapObjects[options.provider][obj]:
if attr in excl_attrs:
continue
if attr not in LdapObjects[srv][obj]:
attrs_list.append(attr)
logging.debug("Obj %s not synchronized : %s not present on %s" % (obj,','.join(attrs_list),srv))
touch=True
logging.debug(
"Obj %s not synchronized: %s not present on %s",
obj, ','.join(attrs_list), srv
)
touch = True
else:
LdapObjects[srv][obj][attr].sort()
LdapObjects[options.provider][obj][attr].sort()
if LdapObjects[srv][obj][attr]!=LdapObjects[options.provider][obj][attr]:
if LdapObjects[srv][obj][attr] != LdapObjects[options.provider][obj][attr]:
attrs_list.append(attr)
logging.debug("Obj %s not synchronized : %s not same value(s)" % (obj,','.join(attrs_list)))
touch=True
if len(attrs_list)>0:
not_sync[srv].append("%s (%s)" % (obj,','.join(attrs_list)))
logging.debug(
"Obj %s not synchronized: %s not same value(s)",
obj, ','.join(attrs_list)
)
touch = True
if attrs_list:
not_sync[srv].append("%s (%s)" % (obj, ','.join(attrs_list)))
else:
logging.debug("Obj %s not synchronized : %s <-> %s" % (obj,LdapObjects[options.provider][obj],LdapObjects[srv][obj]))
logging.debug(
"Obj %s not synchronized: %s <-> %s",
obj, LdapObjects[options.provider][obj], LdapObjects[srv][obj]
)
not_sync[srv].append(obj)
if touch and options.touch:
orig_value=[]
orig_value = []
if options.touch in LdapObjects[options.provider][obj]:
orig_value=LdapObjects[options.provider][obj][options.touch]
LdapServers[options.provider].touch_object(obj,options.touch,orig_value)
orig_value = LdapObjects[options.provider][obj][options.touch]
LdapServers[options.provider].touch_object(obj, options.touch, orig_value)
else:
logging.debug('Obj %s : not found on %s' % (obj,srv))
logging.debug('Obj %s: not found on %s', obj, srv)
not_found[srv].append(obj)
if options.touch:
orig_value=[]
orig_value = []
if options.touch in LdapObjects[options.provider][obj]:
orig_value=LdapObjects[options.provider][obj][options.touch]
LdapServers[options.provider].touch_object(obj,options.touch,orig_value)
orig_value = LdapObjects[options.provider][obj][options.touch]
LdapServers[options.provider].touch_object(obj, options.touch, orig_value)
for obj in LdapObjects[options.consumer]:
logging.debug('Check obj %s of consumer' % obj)
logging.debug('Check obj %s of consumer', obj)
if obj not in LdapObjects[options.provider]:
logging.debug('Obj %s : not found on provider' % obj)
logging.debug('Obj %s: not found on provider', obj)
not_found[options.provider].append(obj)
if options.nagios:
errors=[]
long_output=[]
errors = []
long_output = []
if not options.nocheckcontextcsn:
if not LdapServersCSN[options.provider]:
@ -450,59 +517,65 @@ if options.nagios:
else:
long_output.append('ContextCSN on LDAP server provider = %s' % LdapServersCSN[options.provider])
for srv in LdapServersCSN:
if srv==options.provider:
if srv == options.provider:
continue
if not LdapServersCSN[srv]:
errors.append('ContextCSN of %s not found' % srv)
elif LdapServersCSN[srv]!=LdapServersCSN[options.provider]:
elif LdapServersCSN[srv] != LdapServersCSN[options.provider]:
errors.append('ContextCSN of %s not the same of provider' % srv)
long_output.append('ContextCSN on LDAP server %s = %s' % (srv, LdapServersCSN[srv]))
if len(not_found[options.consumer])>0:
if not_found[options.consumer]:
errors.append("%s not found object(s) on consumer" % len(not_found[options.consumer]))
long_output.append("Object(s) not found on server %s (consumer) :" % options.consumer)
for obj in not_found[options.consumer]:
long_output.append(" - %s" % obj)
if len(not_found[options.provider])>0:
if not_found[options.provider]:
errors.append("%s not found object(s) on provider" % len(not_found[options.provider]))
long_output.append("Object(s) not found on server %s (provider) :" % options.provider)
for obj in not_found[options.provider]:
long_output.append(" - %s" % obj)
if len(not_sync[options.consumer])>0:
if not_sync[options.consumer]:
errors.append("%s not synchronized object(s) on consumer" % len(not_sync[options.consumer]))
long_output.append("Object(s) not synchronized on server %s (consumer) :" % options.consumer)
for obj in not_sync[options.consumer]:
long_output.append(" - %s" % obj)
if len(errors)>0:
print "CRITICAL : " + ', '.join(errors) + "\n\n" + "\n".join(long_output)
if errors:
print "CRITICAL: " + ', '.join(errors) + "\n\n" + "\n".join(long_output)
sys.exit(2)
else:
print 'OK : consumer and provider are synchronized'
print 'OK: consumer and provider are synchronized'
sys.exit(0)
else:
noerror=True
noerror = True
for srv in servers:
if not options.nocheckcontextcsn:
if not LdapServersCSN[options.provider]:
logging.warning('ContextCSN of LDAP server provider could not be found')
noerror=False
noerror = False
else:
for srv in LdapServersCSN:
if srv==options.provider:
if srv == options.provider:
continue
if not LdapServersCSN[srv]:
logging.warning('ContextCSN of %s not found' % srv)
noerror=False
elif LdapServersCSN[srv]!=LdapServersCSN[options.provider]:
logging.warning('ContextCSN of %s not the same of provider' % srv)
noerror=False
logging.warning('ContextCSN of %s not found', srv)
noerror = False
elif LdapServersCSN[srv] != LdapServersCSN[options.provider]:
logging.warning('ContextCSN of %s not the same of provider', srv)
noerror = False
if len(not_found[srv])>0:
logging.warning('Not found objects on %s :\n - %s' % (srv,'\n - '.join(not_found[srv])))
noerror=False
if len(not_sync[srv])>0:
logging.warning('Not sync objects on %s : %s' % (srv,'\n - '.join(not_sync[srv])))
noerror=False
if not_found[srv]:
logging.warning(
'Not found objects on %s :\n - %s',
srv, '\n - '.join(not_found[srv])
)
noerror = False
if not_sync[srv]:
logging.warning(
'Not sync objects on %s: %s',
srv, '\n - '.join(not_sync[srv])
)
noerror = False
if noerror:
logging.info('No sync problem detected')