# Grafana vhost with Let's Encrypt (Certbot)
# Managed by Ansible - DO NOT EDIT MANUALLY

server {
    listen 80;
    listen [::]:80;
    server_name {{ grafana_nginx_hostname }};

    # Certbot webroot for ACME challenges
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # Redirect to HTTPS
    location / {
        return 301 https://$server_name$request_uri;
    }
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name {{ grafana_nginx_hostname }};

    ssl_certificate {{ grafana_nginx_ssl_certificate }};
    ssl_certificate_key {{ grafana_nginx_ssl_certificate_key }};

    # SSL configuration
    ssl_protocols {{ nginx_ssl_protocols | default('TLSv1.3') }};
    ssl_prefer_server_ciphers on;

{% if nginx_log_backend | default('journald') == 'journald' %}
    access_log syslog:server=unix:/dev/log,nohostname,tag=nginx_grafana;
    error_log syslog:server=unix:/dev/log,nohostname,tag=nginx_grafana;
{% else %}
    access_log /var/log/nginx/{{ grafana_nginx_hostname }}_access.log main;
    error_log /var/log/nginx/{{ grafana_nginx_hostname }}_error.log;
{% endif %}

    location / {
        proxy_pass http://127.0.0.1:{{ grafana_http_port }};
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # WebSocket support for live updates
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}