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Radek
2025-07-24 13:07:27 +01:00
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import concurrent.futures
import requests
from collections import defaultdict
import argparse
import sqlite3
from datetime import datetime, timedelta
import time
# Configuration
API_KEY = ''
LIBRENMS_IP = ''
HEADERS = {'X-Auth-Token': API_KEY}
def create_db_connection(db_file):
"""Create a database connection to a SQLite database."""
conn = None
try:
conn = sqlite3.connect(db_file)
return conn
except sqlite3.Error as e:
print(e)
return conn
def create_tables(conn):
"""Create tables for storing the data."""
try:
cursor = conn.cursor()
cursor.execute('''
CREATE TABLE IF NOT EXISTS building_totals (
id INTEGER PRIMARY KEY AUTOINCREMENT,
total_current REAL,
total_power REAL,
timestamp TEXT
)
''')
cursor.execute('''
CREATE TABLE IF NOT EXISTS room_breakdown (
id INTEGER PRIMARY KEY AUTOINCREMENT,
room_number TEXT,
current REAL,
power REAL,
timestamp TEXT
)
''')
cursor.execute('''
CREATE TABLE IF NOT EXISTS customer_breakdown (
id INTEGER PRIMARY KEY AUTOINCREMENT,
customer_name TEXT,
current REAL,
power REAL,
timestamp TEXT
)
''')
conn.commit()
except sqlite3.Error as e:
print(e)
def round_to_nearest_5_minutes(dt):
"""Round a datetime object to the nearest 5-minute interval."""
# Calculate the number of seconds since the last 5-minute interval
seconds_since_last_interval = dt.minute % 5 * 60 + dt.second + dt.microsecond / 1e6
# Round to the nearest 5-minute interval
if seconds_since_last_interval < 150: # 150 seconds = 2.5 minutes
rounded_dt = dt - timedelta(seconds=seconds_since_last_interval)
else:
rounded_dt = dt + timedelta(seconds=300 - seconds_since_last_interval) # 300 seconds = 5 minutes
# Set seconds and microseconds to zero
rounded_dt = rounded_dt.replace(second=0, microsecond=0)
return rounded_dt
def insert_building_total(conn, total_current, total_power):
"""Insert building total data into the database."""
try:
cursor = conn.cursor()
rounded_timestamp = round_to_nearest_5_minutes(datetime.now())
cursor.execute('''
INSERT INTO building_totals (total_current, total_power, timestamp)
VALUES (?, ?, ?)
''', (round(total_current, 3), round(total_power, 3), rounded_timestamp.isoformat()))
conn.commit()
except sqlite3.Error as e:
print(e)
def insert_room_breakdown(conn, room_number, current, power):
"""Insert room breakdown data into the database."""
try:
cursor = conn.cursor()
rounded_timestamp = round_to_nearest_5_minutes(datetime.now())
cursor.execute('''
INSERT INTO room_breakdown (room_number, current, power, timestamp)
VALUES (?, ?, ?, ?)
''', (room_number, round(current, 3), round(power, 3), rounded_timestamp.isoformat()))
conn.commit()
except sqlite3.Error as e:
print(e)
def insert_customer_breakdown(conn, customer_name, current, power):
"""Insert customer breakdown data into the database."""
try:
cursor = conn.cursor()
rounded_timestamp = round_to_nearest_5_minutes(datetime.now())
cursor.execute('''
INSERT INTO customer_breakdown (customer_name, current, power, timestamp)
VALUES (?, ?, ?, ?)
''', (customer_name, round(current, 3), round(power, 3), rounded_timestamp.isoformat()))
conn.commit()
except sqlite3.Error as e:
print(e)
def get_device_ids(debug=False):
"""Fetch all device IDs from the LibreNMS API."""
response = requests.get(f'http://{LIBRENMS_IP}/api/v0/devices', headers=HEADERS, verify=False)
if response.status_code == 200:
devices = response.json().get('devices', [])
if debug:
print(f"Devices: {devices}") # Debugging statement
power_devices = [device['device_id'] for device in devices if device.get('type') == 'power']
return power_devices
else:
raise Exception(f"Failed to fetch devices: {response.status_code}")
def get_device_location(device_id, debug=False):
"""Fetch the location for a given device ID."""
response = requests.get(f'http://{LIBRENMS_IP}/api/v0/devices/{device_id}', headers=HEADERS, verify=False)
if response.status_code == 200:
location = response.json().get('devices', [{}])[0].get('location', '')
if debug:
print(f"Location for device {device_id}: {location}") # Debugging statement
# Extract room number from location
room_number = location.split(',')[-1].strip() if ',' in location else 'Unknown'
return room_number
else:
raise Exception(f"Failed to fetch location for device {device_id}: {response.status_code}")
def get_customer_name(device_id, debug=False):
"""Fetch the customer name for a given device ID."""
response = requests.get(f'http://{LIBRENMS_IP}/api/v0/devices/{device_id}', headers=HEADERS, verify=False)
if response.status_code == 200:
hostname = response.json().get('devices', [{}])[0].get('hostname', '')
if debug:
print(f"Hostname for device {device_id}: {hostname}")
customer_name = hostname.split('-')[0] if '-' in hostname else 'Unknown'
return customer_name
else:
raise Exception(f"Failed to fetch hostname for device {device_id}: {response.status_code}")
def get_sensor_ids(device_id, sensor_group, debug=False):
"""Fetch sensor IDs for a given device ID and sensor group."""
response = requests.get(f'http://{LIBRENMS_IP}/api/v0/devices/{device_id}/health/{sensor_group}', headers=HEADERS, verify=False)
if response.status_code == 200:
graphs = response.json().get('graphs', [])
if debug:
print(f"Graphs for device {device_id}: {graphs}") # Debugging statement
# Filter sensors based on descriptions
if sensor_group == 'device_current':
relevant_sensors = [
sensor['sensor_id'] for sensor in graphs
if sensor['desc'] in ["Input Phase 1.1", "Input Phase 1.2", "Input Phase 1.3", "Phase 1"]
]
elif sensor_group == 'device_power':
relevant_sensors = [
sensor['sensor_id'] for sensor in graphs
if sensor['desc'] in ["Active power #1", "Total power", "Power, Total"]
]
return relevant_sensors
else:
raise Exception(f"Failed to fetch sensors for device {device_id}: {response.status_code}")
def fetch_sensor_data(device_id, sensor_id, sensor_group, debug=False):
"""Fetch the current value for a given sensor ID and sensor group."""
response = requests.get(
f'http://{LIBRENMS_IP}/api/v0/devices/{device_id}/health/{sensor_group}/{sensor_id}',
headers=HEADERS,
verify=False
)
if response.status_code == 200:
sensor_data = response.json()
if debug:
print(f"Sensor data for device {device_id}, sensor {sensor_id}: {sensor_data}")
sensor_value = sensor_data['graphs'][0].get('sensor_current', 0)
sensor_desc = sensor_data['graphs'][0].get('sensor_descr', '')
# Divide by 100 if the sensor is from an nLogic PDU and is a current sensor
if sensor_group == 'device_current' and sensor_desc in ["Input Phase 1.1", "Input Phase 1.2", "Input Phase 1.3"]:
sensor_value /= 100
return sensor_value
else:
raise Exception(f"Failed to fetch sensor value for sensor {sensor_id}: {response.status_code}")
def fetch_device_data(device_id, debug=False):
"""Fetch data for a given device ID."""
response = requests.get(
f'http://{LIBRENMS_IP}/api/v0/devices/{device_id}',
headers=HEADERS,
verify=False
)
if response.status_code == 200:
data = response.json().get('devices', [{}])[0]
if debug:
print(f"Data for device {device_id}: {data}")
return data
else:
raise Exception(f"Failed to fetch data for device {device_id}: {response.status_code}")
def main(debug=False, update_db=True, concurrency_level=5):
try:
device_ids = get_device_ids(debug)
total_current = 0
total_power_watts = 0
room_current = defaultdict(float)
room_power = defaultdict(float)
customer_data = defaultdict(lambda: {'current': 0, 'power_watts': 0})
# Create a SQLite database connection if update_db is True
if update_db:
db_file = 'power_data.db'
conn = create_db_connection(db_file)
create_tables(conn)
else:
conn = None
with concurrent.futures.ThreadPoolExecutor(max_workers=concurrency_level) as executor:
# Submit tasks to the executor for each device
future_to_device = {
executor.submit(fetch_device_data, device_id, debug): device_id for device_id in device_ids
}
# Retrieve results as they complete
for future in concurrent.futures.as_completed(future_to_device):
device_id = future_to_device[future]
try:
data = future.result()
# Process the data as needed
room_number = data.get('location', 'Unknown').split(',')[-1].strip()
customer_name = data.get('hostname', 'Unknown').split('-')[0]
# Fetch and sum current values
current_sensor_ids = get_sensor_ids(device_id, 'device_current', debug)
for sensor_id in current_sensor_ids:
sensor_value = fetch_sensor_data(device_id, sensor_id, 'device_current', debug)
total_current += sensor_value
room_current[room_number] += sensor_value
customer_data[customer_name]['current'] += sensor_value
# Fetch and sum power values
power_sensor_ids = get_sensor_ids(device_id, 'device_power', debug)
for sensor_id in power_sensor_ids:
sensor_value = fetch_sensor_data(device_id, sensor_id, 'device_power', debug)
total_power_watts += sensor_value
room_power[room_number] += sensor_value
customer_data[customer_name]['power_watts'] += sensor_value
except Exception as e:
print(f"Error fetching data for device {device_id}: {e}")
total_power_kw = total_power_watts / 1000 # Convert watts to kilowatts
print(f"\n\nTotal Current: {round(total_current, 3)} A")
print(f"Total Power: {round(total_power_kw, 3)} kW")
# Insert building total data into the database if update_db is True
if update_db:
insert_building_total(conn, total_current, total_power_kw)
print("\n\nBreakdown by Room:\n")
for room, current in room_current.items():
power_kw = room_power[room] / 1000 # Convert watts to kilowatts
print(f"Room {room}: Current = {round(current, 3)} A, Power = {round(power_kw, 3)} kW")
# Insert room breakdown data into the database if update_db is True
if update_db:
insert_room_breakdown(conn, room, current, power_kw)
print("\n\nCustomer Breakdown:\n")
for customer_name, data in customer_data.items():
power_kw = data['power_watts'] / 1000 # Convert watts to kilowatts
print(f"Customer {customer_name} - Current: {round(data['current'], 3)} A, Power: {round(power_kw, 3)} kW")
# Insert customer breakdown data into the database if update_db is True
if update_db:
insert_customer_breakdown(conn, customer_name, data['current'], power_kw)
# Close the database connection if it was opened
if update_db:
conn.close()
except Exception as e:
print(str(e))
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Fetch and display power and current data from LibreNMS.')
parser.add_argument('--debug', action='store_true', help='Enable debug output')
parser.add_argument('--runs', type=int, default=None, help='Limit the number of runs')
parser.add_argument('--no-db-update', action='store_true', help='Disable updates to the database')
parser.add_argument('--concurrency-level', type=int, default=5, help='Set the concurrency level for API requests')
args = parser.parse_args()
runs = 0
while True:
if args.runs is not None and runs >= args.runs:
break
main(debug=args.debug, update_db=not args.no_db_update, concurrency_level=args.concurrency_level)
runs += 1
if args.runs is None:
time.sleep(250) # Wait for 5 minutes before the next run