Nginx monitor setup

check-http-stub-status-module

nginx -V 2>&1 | grep -o with-http_stub_status_module

check.sh

nginx -s reload
curl 127.0.0.1:9090/nginx_status 
telegraf --test

status.conf

#/etc/nginx/conf.d/status.conf

server { 
    
    listen 127.0.0.1:9090;
    location /nginx_status {
        stub_status on;

        access_log off;
        allow 127.0.0.1;
        deny all;
    }
}

telegraf.conf

[[inputs.nginx]]
   urls = ["http://127.0.0.1:9090/nginx_status"]
   response_timeout = "5s"

[[inputs.logparser]]
   files = ["/var/log/nginx/access.log"]
   from_beginning = true
   name_override = "nginx_access_log"

   [inputs.logparser.grok]
     patterns = ["%{CUSTOM_LOG_FORMAT}"]
     custom_patterns = '''
        CUSTOM_LOG_FORMAT %{CLIENT:client_ip} %{NOTSPACE:ident} %{NOTSPACE:auth} \[%{HTTPDATE:ts:ts-httpd}\]"(?:%{WORD:verb:tag} %{NOTSPACE:request}(?: HTTP/%{NUMBER:http_version:float})?|%{DATA})" %{NUM$
      '''