user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    worker_connections 768;
    # multi_accept on;
}

http {

    ##
    # Basic Settings
    ##

    sendfile on;
    tcp_nopush on;
    types_hash_max_size 2048;
    server_tokens {{ nginx_settings.server_tokens | ternary('on', 'off') }};

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    ##
    # SSL Settings
    ##

    ssl_protocols {{ nginx_settings.ssl_protocols|join(' ') }};
    ssl_prefer_server_ciphers on;

    ##
    # Logging Settings
    ##

    access_log syslog:server=unix:/dev/log;
    error_log syslog:server=unix:/dev/log;

    ##
    # Gzip Settings
    ##

    gzip {{ nginx_settings.gzip | ternary('on', 'off') }};
    gzip_comp_level 6;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;

    ##
    # Virtual Host Configs
    ##

    # include /etc/nginx/conf.d/*.conf;
    # include /etc/nginx/sites-enabled/*;

    # Prometheus Nginx Exporter
    server {
        listen 127.0.0.1:8080;
        location /stub_status {
            stub_status;
        }
    }


{% if nginx_settings.load_balancers is not undefined %}
    ##
    # Load Balancers
    ##

{% for http_load_balancer in nginx_settings.load_balancers.http %}
    upstream {{ http_load_balancer.upstream.name }} {
{% for server in http_load_balancer.upstream.servers %}
        server {{ server }};
{% endfor %}
    }

    server {
        listen {{ http_load_balancer.server.listen_port }};
        server_name {{ http_load_balancer.server.names|join(' ') }};
        location / {
            proxy_pass http://{{ http_load_balancer.upstream.name }};
{% if http_load_balancer.server.statements is not undefined %}
{% for statement in http_load_balancer.server.statements %}
            {{ statement }};
{% endfor %}
{% endif %}
        }
    }

{% endfor %}
{% endif %}
{% if nginx_settings.statics is not undefined %}

    ##
    # Static Servings
    ##

{% for static in nginx_settings.statics %}
    server {
        listen {{ static.listen_port }};
        server_name {{ static.names|join(' ') }};
        root {{ static.root }};
        index {{ static.index }};
        location / {
            try_files $uri $uri/ =404;
        }
    }

{% endfor %}
{% endif %}
}