Creates Zimbra account for each account in an LDAP directory (run as root on the Zimbra server, or put in the crontab)

ldap2zm.py

import random
import subprocess as sp
from time import sleep
import re

# Change these parameters for your own configuration
LDAP_URL="ldap://ldap.internal.example.com:389"
BASE_DN="ou=people,dc=example,dc=com"
FILTER="(objectClass=inetOrgPerson)" # This is a filter to get only people, change for your own case
ATTR=["uid", "givenName", "sn"]
DOMAIN = "example.com"
NAME_ALIAS=True # Whether to create first_name.last_name@domain as an alias to ldap_id@domain

# Get a list of existing Zimbra accounts
p = sp.Popen("su - zimbra -c 'echo gaa | zmprov -l'", stdout=sp.PIPE, shell=True)
(accounts,_) =  p.communicate()
p.wait()
accounts = accounts.decode().splitlines()

acc = []
for a in accounts:
  print(a)
  if "@" in a:
    acc.append(a)

# Get a list of accounts on the LDAP directory
ldapacc = {}

p = sp.Popen("ldapsearch -H %s -x -b %s '%s' %s" % (LDAP_URL, BASE_DN, FILTER, " ".join(ATTR)), stdout=sp.PIPE, shell=True)
(l,_) = p.communicate()
p.wait()
l = l.decode().splitlines()

lastcn = ""
for line in l:
  a = re.search(r'(\w+):', line)
  if a:
    attribute = a.group(1)
  else:
    continue

  if attribute == "dn":
    cn = re.search(r'cn=(.*),'+BASE_DN, line).group(1)
    ldapacc[cn] = {}
    lastcn = cn
  elif attribute in ATTR:
    ldapacc[lastcn][attribute] = line[len(attribute)+2:]

# Makes a list of commands to create the new accounts
toadd = []
for i in ldapacc.keys():
  if i + "@" + DOMAIN not in acc:
    print("Adding", i)
    pwd = "".join([random.choice('azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN1234567890') for _ in range(16)])
    toadd.append("ca %s@%s %s displayName %s\n" % (i,DOMAIN,pwd,i))

    if NAME_ALIAS:
      toadd.append("aaa %s@%s %s.%s@%s\n" % (i,DOMAIN,ldapacc[i]["givenName"].lower(),ldapacc[i]["sn"].lower(),DOMAIN))
toadd.append("exit\n")

with open("toadd.txt", "w+") as f:
  f.writelines(toadd)

# Create the new accounts
p = sp.Popen("cat toadd.txt | su - zimbra -c zmprov", shell=True)
p.wait()