Monitoring and Status

server {
    listen 80;
    server_name example.com;

    location /nginx_status {
        stub_status on;
        access_log off;
        allow 127.0.0.1;
        deny all;
    }
}

server {
    listen 80;
    server_name example.com;

    location /nginx_status {
        stub_status on;
        access_log off;
        allow 127.0.0.1;
        deny all;
    }
}

log_format custom '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent"';

access_log /var/log/nginx/access_custom.log custom;

/var/log/nginx/*.log {
    daily
    missingok
    rotate 52
    compress
    delaycompress
    notifempty
    create 644 nginx nginx
}

log_format main '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent"';
access_log /var/log/nginx/access.log main;

import re
from datetime import datetime

log_line = '192.168.1.1 - john_doe [25/Jul/2024:12:00:00 +0000] "GET /index.html HTTP/1.1" 200 1234 "https://example.com/page" "Mozilla/5.0..."'

pattern = re.compile(
    r'(?P<remote_addr>\S+) - (?P<remote_user>\S+) \[(?P<time_local>[^\]]+)\] "(?P<request>[^"]+)" (?P<status>\d+) (?P<body_bytes_sent>\d+) "(?P<http_referer>[^"]+)" "(?P<http_user_agent>[^"]+)"'
)

match = pattern.match(log_line)
if match:
    parsed_log = match.groupdict()
    print(f"IP: {parsed_log['remote_addr']}")
    print(f"Status: {parsed_log['status']}")
    print(f"User Agent: {parsed_log['http_user_agent']}")

server {
    listen 80;
    location / {
        proxy_pass http://backend;
    }

    location /metrics {
        prometheus on;
        prometheus_port 9148;
        prometheus_path /metrics;
    }
}

scrape_configs:
  - job_name: 'nginx'
    static_configs:
      - targets: ['localhost:9113']

{
  "dashboard": {
    "title": "Nginx Metrics",
    "panels": [
      {
        "type": "graph",
        "title": "Requests per Second"
      }
    ]
  }
}

server {
    listen 80;
    server_name example.com;

    location /status {
        vhost_traffic_status_display;
        vhost_traffic_status_display_format html;
    }
}

upstream backend {
    server 192.168.1.10:8080;
    server 192.168.1.11:8080;
    server 192.168.1.12:8080;

    health_check;
}

server {
    listen 80;
    location / {
        proxy_pass http://backend;
    }
}

upstream api_backend {
    server 10.0.0.1:8080 weight=3;
    server 10.0.0.2:8080 weight=2;
    server 10.0.0.3:8080 backup;

    health_check interval=10s fails=2 passes=1 timeout=5s;
}

server {
    listen 80;
    location /api {
        proxy_pass http://api_backend;
    }
}

log_format custom '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $request_time';

access_log /var/log/nginx/access.log custom;

openssl x509 -in /path/to/cert.pem -noout -dates

0 0 * * * /usr/bin/openssl x509 -in /etc/nginx/ssl/cert.pem -noout -dates | grep "notAfter" >> /var/log/cert_expiry.log

server {
    listen 80;
    server_name example.com;

    location /nginx_status {
        stub_status on;
        access_log off;
        allow 127.0.0.1;
        deny all;
    }
}

# Example script to check status and send alert
#!/bin/bash
STATUS=$(curl -s http://localhost/nginx_status | grep Active | awk '{print $2}')
if [ "$STATUS" -gt 100 ]; then
    echo "High active connections: $STATUS"
    # Send alert via email or webhook
fi

server {
    listen 80;
    location /metrics {
        prometheus_exporter;
    }
}

receivers:
  nginx:
    endpoint: "localhost:8080"
exporters:
  otlp:
    endpoint: "otel-collector:4317"