From 00936a71b38a374967ab49caea9c64efd655773e Mon Sep 17 00:00:00 2001 From: Ethanell Date: Thu, 27 Feb 2020 09:22:59 +0100 Subject: [PATCH] Add script --- mac.py | 213 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 mac.py diff --git a/mac.py b/mac.py new file mode 100644 index 0000000..35d3783 --- /dev/null +++ b/mac.py @@ -0,0 +1,213 @@ +from pymysql import connect +from ipaddress import IPv4Network +from randmac import RandMac +from sys import stderr, argv +from subprocess import run, PIPE + + +DB_HOST = "" +DB_USER = "" +DB_PASS = "" +DB_NAME = "" + +SSH_HOST = "" +SSH_PORT = "" +SSH_KEY = "" +SSH_USER = "" + +DEFAULT_INTERFACE = "" + +debug = False + +if debug: + print("DEBUG MOD ACTICATED !") + +def main(args): + """ + args: list + List of IP prefix + + This function get from DB and routeur IPs and MACs, create insertion list and sent it + """ + + # DB connection + try: + print("Connect to DB...") + db = connect(DB_HOST, DB_USER, DB_PASS, DB_NAME) + cursor = db.cursor() + except: + print("Can't connect to DB !", file=stderr) + exit(1) + else: + print("Connected to DB") + + # Get IPs from DB + try: + print("Get IPs...") + cursor.execute("SELECT ip FROM mg_proxmox_addon_ip") + ipRow = cursor.fetchall() + ipRow = [i[0] for i in ipRow] + except: + print("Failt to get IPs !", file=stderr) + exit(1) + else: + print("IPs get") + + # Get MACs from DB + try: + print("Get MACs...") + cursor.execute("SELECT mac_address FROM mg_proxmox_addon_ip") + macRow = cursor.fetchall() + macRow = [i[0] for i in macRow] + except: + print("Fail to get MACs !", file=stderr) + exit(1) + else: + print("MACs get") + + # Get IPs and MACs from routeur + try: + print("Get routeur IPs and MACs...") + routeur = run(["ssh", "-i", SSH_KEY, "-o", "StrictHostKeyChecking no", f"{SSH_USER}@{SSH_HOST}", "-p", SSH_PORT, "/ip arp print"], stdout=PIPE).stdout.decode() + except: + print("Failt to get reouteur IPs and MACs !", file=stderr) + exit(1) + else: + print("Routeur IPs and MACs get") + + cursor.close() + + # Get vlan give on the first arg + vlan = args[0] + if vlan != "null": + try: + vlan = int(vlan) + except: + print("Invalid vlan !", file=stderr) + exit(1) + del args[0] + + # Get list of ip, mac and subnet_mask to add + out = [] + for arg in args: + out+=addIPs(arg, ipRow, macRow) + + # Insert the list + print(f"Start insert of {len(out)} IPs") + insertIPs(out, vlan, db, routeur) + + +def addIPs(prefix: str, ipRow: [str], macRow: [str]) -> [(str, str, str, int)]: + """ + prefix: str + The IPs prefix + ipRow: list of str + A list of IPs in the DB + macRow: list of string + A list of MACs in the DB + return: List of tupple with IP, MAC, subnet_mask and cidr + + This function generate a lits of IPs and MACs to insert + """ + out = [] + + # Check if prefix is valid + try: + print(f"Get IPs for {prefix}") + ips = IPv4Network(prefix) + subnet_mask = ips.netmask + cidr = ips.prefixlen + except: + print("Invalid IP prefix !", file=stderr) + else: + # For all ip in prefix + for ip in ips.hosts(): + # Check DB + if str(ip) not in ipRow: + # Random until not in DB + mac = RandMac("00:00:00:00:00:00", True) + while mac in macRow: + mac = RandMac() + # Append to shared list to avoid colisions + ipRow.append(ip) + macRow.append(mac) + + out.append((str(ip), str(mac), str(subnet_mask), int(cidr))) + + else: + print(f"IP: {ip} already on DB !", file=stderr) + print(f"Got {len(out)} IPs") + return out + + +def insertIPs(insert: [(str, str, str, int)], vlan, db, routeur): + """ + insert: List of tupple with IP, MAC and subnet_mask + The list of IPs, MACs to insert + db: MySQL DB object + The DB to insert + routeur: str + A string content MACs and IPs content in routeur + + This function insert given IPs and MACs to SB and routeur (if necessary) + """ + cursor = db.cursor() + + # For every IP to insert + gateway = insert[0][0] + del insert[0] + print(f"Use gateway: {gateway}") + for i in insert: + # Try insert into DB + try: + cmd = f"INSERT INTO mg_proxmox_addon_ip (ip, type, mac_address, subnet_mask, cidr, gateway, tag) VALUES ('{i[0]}', 'IPv4', {i[1]}, '{i[2]}', {i[3]}, '{gateway}', {vlan})" + if debug: + print(cmd) + cursor.execute(cmd) + except Exception as e: + raise e + print(f"Fail to insert values !\nIP: {i[0]}, Type: IPv4, MAC: {i[1]}, subnet_mask: {i[2]}", file=stderr) + else: + # Optional log + #print(f"IP: {i[0]} of type IPv4 with MAC: {i[1]} on subnet_mask: {i[2]} add") + + # If IP and MAC ar not in the routeur, add them + if ((i[0] not in routeur) or not (routeur[routeur.find(i[0]):5].replace(" ", ""))) and (i[1] not in routeur): + if vlan != "null": + interface = f"vlan{vlan}" + else: + interface = DEFAULT_INTERFACE + + cmd = ["ssh", "-i", SSH_KEY, "-o", "StrictHostKeyChecking no", f"{SSH_USER}@{SSH_HOST}", "-p", SSH_PORT, f"/ip arp add address={i[0]} mac-address={i[1]} interface={interface}".replace("'", "")] + if debug: + print(cmd) + else: + run(cmd) + elif debug: + print(f"Already on the routeur !\nIP: {i[0]}, Type: IPv4, MAC: {i[1]}, subnet_mask: {i[2]}", file=stderr) + + cursor.close() + + # Commit to the DB + if debug: + print("Commit DB...") + else: + try: + print("Commit to DB...") + db.commit() + except: + print("Fail to commit !", file=stderr) + exit(1) + else: + print("Commited to DB") + + + +# Execution as a script handler +if __name__ == "__main__": + # Avoid file name on args + if argv[0] == __file__: + del argv[0] + + # Start main function + main(argv)