ngxstat/scripts/init_db.py

101 lines
2.8 KiB
Python

#!/usr/bin/env python3
import os
import re
import sqlite3
from datetime import datetime
LOG_DIR = "/var/log/nginx"
DB_FILE = "database/ngxstat.db"
LOG_FILE_PATTERN = re.compile(r"access\.log(\.\d+)?$")
LOG_FORMAT_REGEX = re.compile(
r'(?P<ip>\S+) - (?P<host>\S+) \[(?P<time>.*?)\] "(?P<request>.*?)" '
r'(?P<status>\d{3}) (?P<bytes_sent>\d+) "(?P<referer>.*?)" "(?P<user_agent>.*?)" (?P<cache_status>\S+)'
)
DATE_FMT = "%d/%b/%Y:%H:%M:%S %z"
os.makedirs("database", exist_ok=True)
conn = sqlite3.connect(DB_FILE)
cursor = conn.cursor()
cursor.execute(
"""
CREATE TABLE IF NOT EXISTS logs (
id INTEGER PRIMARY KEY,
ip TEXT,
host TEXT,
time TEXT,
request TEXT,
status INTEGER,
bytes_sent INTEGER,
referer TEXT,
user_agent TEXT,
cache_status TEXT
)
"""
)
cursor.execute("CREATE INDEX IF NOT EXISTS idx_logs_time ON logs(time)")
conn.commit()
cursor.execute("SELECT time FROM logs ORDER BY id DESC LIMIT 1")
row = cursor.fetchone()
last_dt = None
if row and row[0]:
try:
last_dt = datetime.strptime(row[0], DATE_FMT)
except ValueError:
last_dt = None
try:
log_files = sorted(
[
os.path.join(LOG_DIR, f)
for f in os.listdir(LOG_DIR)
if LOG_FILE_PATTERN.match(f)
]
)
except FileNotFoundError:
print(f"[ERROR] Log directory not found: {LOG_DIR}")
exit(1)
print(f"[INFO] Found {len(log_files)} log files.")
inserted = 0
for log_file in log_files:
print(f"[INFO] Parsing {log_file}...")
with open(log_file, "r", encoding="utf-8", errors="ignore") as f:
for line in f:
match = LOG_FORMAT_REGEX.match(line.strip())
if match:
data = match.groupdict()
try:
entry_dt = datetime.strptime(data["time"], DATE_FMT)
except ValueError:
continue
if last_dt and entry_dt <= last_dt:
continue
cursor.execute(
"""
INSERT INTO logs (
ip, host, time, request, status, bytes_sent,
referer, user_agent, cache_status
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
data["ip"],
data["host"],
data["time"],
data["request"],
int(data["status"]),
int(data["bytes_sent"]),
data["referer"],
data["user_agent"],
data["cache_status"],
),
)
inserted += 1
conn.commit()
conn.close()
print(f"[DONE] Inserted {inserted} entries into {DB_FILE}.")