├── LICENSE ├── README.md └── ipam2lnms.py /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Synchronizing phpIPAM and LibreNMS 2 | 3 | ``` 4 | ./ipam2lnms.py -h 5 | usage: ipam2lnms.py [-h] [-v] [-a] [-d] [-i] [-z] [-c] [-f] [-b] [-P] 6 | 7 | optional arguments: 8 | -h, --help show this help message and exit 9 | -v, --verbose show verbose output 10 | -a, --addhosts hosts only found in phpipam will be added to lnms 11 | -d, --deletehosts hosts not found in phpipam will be deleted from lnms 12 | -i, --ignorehosts hosts not found in phpipam will be marked as ignored in 13 | lnms. (dummy for now) 14 | -z, --disablehosts hosts not found in phpipam will be marked as disabled in 15 | lnms. (dummy for now) 16 | -c, --commit actually execute commands 17 | -f, --force forces the device to be added by skipping the icmp and 18 | snmp check against the host. 19 | -b Add the host with SNMP if it replies to it, otherwise 20 | only ICMP. 21 | -P Add the host with only ICMP, no SNMP or OS discovery. 22 | ``` 23 | 24 | 25 | 26 | The reason this script (ipam2lnms) exists, is the lack of native support for 27 | phpIPAM in LibreNMS. Combined with the fact that I know just enough python and 28 | SQL to be dangerous, and could not find the motivation to learn enough php and 29 | LibreNMS to fix said integration myself. 30 | 31 | I love both LibreNMS and phpIPAM. But clearly not enough ..... 32 | 33 | I am hoping for someone with the right combination of php knowledge and 34 | available time/energy/karmadeficit to create the commands ignorehost.php 35 | and disablehost.php. Or better yet: make this script obsolete by making 36 | proper support for phpIPAM in LibreNMS. 37 | 38 | The script has only seen minimal testing, and only by me. 39 | I use python 3.6, adaption for anything less is simple and left as an 40 | exercise for the reader. 41 | 42 | 43 | # How it works. Or is intended to work. 44 | 45 | The script connects to the LibreNMS and phpIPAM databases, pulls out a 46 | list of hosts from both, and creates lists of hosts unique to both. 47 | Really, really simple stuff. Less than 200 lines. Read it and verify that 48 | I am not stealing your family heirloom bashrc. 49 | 50 | It can then add hosts unique to phpIPAM, to LibreNMS. Using SNMP credentials from 51 | LibreNMS' config.php. 52 | 53 | It can optionally delete hosts from LibreNMS, which are unique to LibreNMS. 54 | I.e. not found in phpIPAM. 55 | 56 | The script makes no modification to phpIPAM, and only modifies LibreNMS via 57 | the native LibreNMS scripts. The script itself only requires read-only 58 | db-accounts. 59 | 60 | There is no config file. A few variables can be set in the script header. 61 | 62 | The script runs in 'dummy' mode unless you add the '-c' switch. 63 | When adding the '-c' switch, the script is silent save for db connection 64 | errors. This means that hosts whose SNMP credentials are not the same 65 | as in LibreNMS config.php, or hosts which are down or unreachable will 66 | fail silently. Unless one of -f/-b/-P is given. 67 | 68 | Add '-v' for slightly more verbose output. 69 | 70 | It should be safe to run in cron. 71 | 72 | 73 | # Database credentials 74 | 75 | The script expects you (or the user executing the script) to have a .my.cnf 76 | with the proper credentials to access the LibreNMS and phpIPAM databases. 77 | The script expects said file to be in $HOME, this can be changed in the script. 78 | 79 | ``` 80 | $ cat .my.cnf 81 | [librenms] 82 | user=librenmsro 83 | password=librenmsro2019 84 | database=librenms 85 | host=localhost 86 | 87 | [phpipam] 88 | user=phpipamro 89 | password=phpipamro2019 90 | database=phpipam 91 | host=phpipam 92 | ``` 93 | 94 | If you have a .my.cnf already, do not change what is already there. 95 | Just add to it. Tune as needed. 96 | 97 | 98 | To create the db users: 99 | ``` 100 | phpipamhost$ mysql -u dbadminuser -p 101 | MariaDB [(none)]> grant select on phpipam.* to 'phpipamro'@'10.10.10.101' identified by 'phpipamro2019'; 102 | MariaDB [(none)]> flush privileges; 103 | MariaDB [(none)]> \q 104 | 105 | librenmshost$ mysql -u dbadminuser -p 106 | MariaDB [(none)]> grant select on librenms.* to 'librenmsro'@'127.0.0.1' identified by 'librenmsro2019'; 107 | MariaDB [(none)]> flush privileges; 108 | MariaDB [(none)]> \q 109 | ``` 110 | 111 | The IP address shown in the 'grant' command is the host from which the script 112 | will be executed. I expect most users to run this script on the same host as 113 | the LibreNMS db. Hence using localhost for accessing that db. 114 | 115 | If your phpIPAM db runs on the same host, tune .my.cnf and the grant command 116 | accordingly. 117 | 118 | 119 | 120 | 121 | 122 | -------------------------------------------------------------------------------- /ipam2lnms.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # -*- coding: utf-8 -*- 3 | # 4 | # Copyright 2019 Dag Bakke 5 | # 6 | # This program is free software; you can redistribute it and/or modify 7 | # it under the terms of the GNU General Public License as published by 8 | # the Free Software Foundation; either version 2 of the License, or 9 | # (at your option) any later version. 10 | # 11 | # This program is distributed in the hope that it will be useful, 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | # GNU General Public License for more details. 15 | # 16 | # You should have received a copy of the GNU General Public License 17 | # along with this program; if not, write to the Free Software 18 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 19 | # MA 02110-1301, USA. 20 | # 21 | # 22 | # This script compares the hostnames found in the devices tables 23 | # of phpIPAM and LibreNMS. phpIPAM is considered the master. 24 | # 25 | # This script will not write to the phpIPAM db, and may change the 26 | # LibreNMS only if the '-c' switch is set. 27 | # 28 | # 29 | # See README.md for further information. 30 | # 31 | # dag - at - bakke - dot - com 32 | 33 | import sys 34 | import argparse 35 | import pymysql as mdb 36 | import subprocess 37 | 38 | 39 | ############ stuff which may need tuning by you ################ 40 | dbcreds = '~/.my.cnf' # See README.md 41 | 42 | # these denotes stanzas in $dbcreds 43 | librenms = 'librenms' 44 | phpipam = 'phpipam' 45 | 46 | # tune these two to return only the hosts that matter to you, in column 0. 47 | sql_query_librenms = ''' 48 | SELECT hostname 49 | FROM devices 50 | WHERE hostname LIKE "%-fw" 51 | ''' 52 | 53 | sql_query_phpipam = ''' 54 | SELECT hostname 55 | FROM devices 56 | WHERE hostname LIKE "%-fw" 57 | ''' 58 | 59 | add_options = 'ap v3' # default SNMP options 60 | ############# end ################### 61 | 62 | addcmd = '/opt/librenms/addhost.php' 63 | delcmd = '/opt/librenms/delhost.php' 64 | ignorecmd = '/opt/librenms/ignorehost.php' # I would like this command to exist 65 | disablecmd = '/opt/librenms/disablehost.php' # This too. 66 | 67 | 68 | def getdbdata(query, db, verbose): 69 | mylist = [] 70 | 71 | try: 72 | con = mdb.connect(read_default_file=dbcreds, read_default_group=db) 73 | cursor = con.cursor() 74 | cursor.execute(query) 75 | rows = cursor.fetchall() 76 | for row in rows: 77 | mylist.append(row[0]) 78 | 79 | if verbose: 80 | if len(mylist) == 0: 81 | print(f"{db}\t: query returns no data") 82 | if len(mylist) > 0: 83 | print(f"{db}\t: ok") 84 | 85 | except Exception as ex: 86 | print(f"{db}\t: got an exception" + str(ex)) 87 | 88 | finally: 89 | if con: 90 | con.close() 91 | 92 | return mylist 93 | 94 | 95 | def main(args): 96 | parser = argparse.ArgumentParser() 97 | parser.add_argument("-v", "--verbose", action='store_true', default=False, 98 | help="show verbose output") 99 | parser.add_argument("-a", "--addhosts", action='store_true', default=False, 100 | help="hosts only found in phpipam will be added to lnms") 101 | parser.add_argument("-d", "--deletehosts", action='store_true', default=False, 102 | help="hosts not found in phpipam will be deleted from lnms") 103 | parser.add_argument("-i", "--ignorehosts", action='store_true', default=False, 104 | help="hosts not found in phpipam will be marked as ignored in lnms. (dummy for now)") 105 | parser.add_argument("-z", "--disablehosts", action='store_true', default=False, 106 | help="hosts not found in phpipam will be marked as disabled in lnms. (dummy for now)") 107 | parser.add_argument("-c", "--commit", action='store_true', default=False, 108 | help="actually execute commands") 109 | parser.add_argument("-f", "--force", action='store_true', default=False, 110 | help="forces the device to be added by skipping the icmp and snmp check against the host.") 111 | parser.add_argument("-b", action='store_true', default=False, 112 | help="Add the host with SNMP if it replies to it, otherwise only ICMP.") 113 | parser.add_argument("-P", action='store_true', default=False, 114 | help="Add the host with only ICMP, no SNMP or OS discovery.") 115 | myargs = parser.parse_args() 116 | 117 | hosts_unique_to_librenms = [] 118 | hosts_unique_to_phpipam = [] 119 | 120 | hosts_in_librenms = getdbdata(sql_query_librenms, librenms, myargs.verbose) 121 | hosts_in_phpipam = getdbdata(sql_query_phpipam, phpipam, myargs.verbose) 122 | 123 | for host in hosts_in_librenms: 124 | if host not in hosts_in_phpipam: 125 | hosts_unique_to_librenms.append(host) 126 | 127 | for host in hosts_in_phpipam: 128 | if host not in hosts_in_librenms: 129 | hosts_unique_to_phpipam.append(host) 130 | 131 | if myargs.verbose: 132 | print("\nhosts unique to librenms:\n" + str(hosts_unique_to_librenms)) 133 | print("\nhosts unique to phpipam:\n" + str(hosts_unique_to_phpipam) + "\n") 134 | 135 | forceopts = "" 136 | if myargs.force: 137 | forceopts += "f" 138 | if myargs.b: 139 | forceopts += "b" 140 | if myargs.P: 141 | forceopts += "P" 142 | if forceopts: 143 | forceopts = "-" + forceopts 144 | 145 | if not myargs.commit: # pretend 146 | print("This is what will happen if you add the '-c' switch:") 147 | for host in hosts_unique_to_phpipam: 148 | if myargs.addhosts: 149 | print(f"{addcmd} {forceopts} {host} {add_options}") 150 | for host in hosts_unique_to_librenms: 151 | if myargs.ignorehosts: 152 | print(f"{ignorecmd} {host} <- dummy") 153 | if myargs.disablehosts: 154 | print(f"{disablecmd} {host} <- dummy") 155 | if myargs.deletehosts: 156 | print(f"{delcmd} {host}") 157 | 158 | else: # myargs.commit is true 159 | for host in hosts_unique_to_phpipam: 160 | if myargs.addhosts: 161 | add_result = subprocess.run([addcmd, forceopts, host, add_options], check=False, stdout=subprocess.PIPE, shell=False, stderr=subprocess.STDOUT) 162 | if myargs.verbose: 163 | print(str(add_result.stdout.decode('UTF-8')).rstrip()) 164 | 165 | for host in hosts_unique_to_librenms: # ignore, disable or delete hosts 166 | # if myargs.ignorehosts: 167 | # ignore_result = subprocess.run([ignorecmd, host], check=False, stdout=subprocess.PIPE, shell=False, stderr=subprocess.STDOUT) 168 | # if myargs.verbose: 169 | # print(str(ignore_result.stdout.decode('UTF-8')).rstrip()) 170 | 171 | # if myargs.disablehosts: 172 | # disable_result = subprocess.run([disablecmd, host], check=False, stdout=subprocess.PIPE, shell=False, stderr=subprocess.STDOUT) 173 | # if myargs.verbose: 174 | # print(str(disable_result.stdout.decode('UTF-8')).rstrip()) 175 | 176 | if myargs.deletehosts: 177 | delete_result = subprocess.run([delcmd, host], check=False, stdout=subprocess.PIPE, shell=False, stderr=subprocess.STDOUT) 178 | if myargs.verbose: 179 | print(str(delete_result.stdout.decode('UTF-8')).rstrip()) 180 | 181 | 182 | if __name__ == '__main__': 183 | sys.exit(main(sys.argv)) 184 | --------------------------------------------------------------------------------