Problem with connection to Nginx PLUS

[soddevops]

Nginx [nginx-plus-r22 (1.19.0)] configuration:

`server {
listen MyIP:9999;

location /api {
    api write=on;
    # directives limiting access to the API
}

location = /dashboard.html {
    root /usr/share/nginx/html;
}

# Redirect requests made to the pre-NGINX Plus API dashboard
location = /status.html {
    return 301 /dashboard.html;
}

location = /favicon.ico {
    return 204;
    access_log off;
    log_not_found off;
}

location = /basic_status {
    stub_status;
}

}
`
Run command
./nginx-prometheus-exporter --nginx.plus --nginx.scrape-uri=http://MyIP:9999/api/ --log.level=debug

and check curl:
curl http://127.0.0.1:9113/metrics

response:
caller=nginx_plus.go:649 level=warn msg="Error getting stats" error="failed to get stats: failed to get endpoints: expected 200 response, got 404. error.status=404; error.text=unknown version; error.code=UnknownVersion; request_id=df67af273247ee1b7d71d89ab092ad67; href=https://nginx.org/en/docs/http/ngx_http_api_module.html"

Check api NGINX:
curl http://myIP:9999/api/

Response:
[1,2,3,4,5,6]

When run nginx_exporter without configuration for Plus....

./nginx-prometheus-exporter --nginx.scrape-uri=http://myIP:9999/basic_status --log.level=debug

and check metrics curl http://127.0.0.1:9113/metrics works good.

What 's wrong ?

[lucacome]

Hi @soddevops

at the moment the exporter will try to connect to the latest API version that was available at the time of build. I think https://github.com/nginxinc/nginx-prometheus-exporter/releases/tag/v0.10.0 should work for you.

We should definitely improve this (it will probably require making some changes to https://github.com/nginxinc/nginx-plus-go-client too)

[lucacome]

I opened #629

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