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