Error when defining scrape uri

[r4j4h]

When running

the README states

http://127.0.0.1:8080/stub_status is the default scrape URI. Running it without changing it seems to confirm.

2018/08/11 00:12:14 Could not create Nginx Client: Failed to create NginxClient: failed to get http://127.0.0.1:8080/stub_status: Get http://127.0.0.1:8080/stub_status: dial tcp 127.0.0.1:8080: connect: connection refused

However, if I try to define it as that via -nginx.scrape-uri="http://127.0.0.1:8080/stub_status", when I run it I get:

2018/08/11 00:11:20 Could not create Nginx Client: Failed to create NginxClient: failed to get "http://127.0.0.1:8080/stub_status": parse "http://127.0.0.1:8080/stub_status": first path segment in URL cannot contain colon

[Dean-Coakley]

Hi @r4j4h

I've been unable to recreate this issue. Can you give me some more details about how exactly you are running this?

• Did you build the image locally, or did you pull the image from our docker registry?
• What is the full command you are using to run the container?
• Docker version?

Issue appears to be that the flag is adding a set of quotes to the url. Perhaps try the alternate go flag syntax?:
$ docker run -p 9113:9113 nginx/nginx-prometheus-exporter:0.1.0 -nginx.scrape-uri http://127.0.0.1:8080/stub_status

[r4j4h]

Hi there,

You were right, it was with quotations.

FWIW though, I am running this in a Kubernetes Pod as a sidecar to an nginxinc nginx Ingress exporter.

Using the alternate syntax didn't seem to work:

  nginx-prometheus-exporter:
    Container ID:  docker://0136d7700ccaf9099029f6a4f9e3ca5d5b9600f68331893b402b0295211a8f29
    Image:         nginx/nginx-prometheus-exporter:0.1.0
    Image ID:      docker-pullable://nginx/nginx-prometheus-exporter@sha256:24e87a3a18fd27c39e8d4fb11147ab080a0c39a3171d85e6c17954fbf09644fc
    Port:          9113/TCP
    Host Port:     9113/TCP
    Args:
      -nginx.scrape-uri http://127.0.0.1:80/stub_status

gives

flag provided but not defined: -nginx.scrape-uri http://127.0.0.1:80/stub_status
Usage of /usr/bin/exporter:
  -nginx.plus
    	Start the exporter for NGINX Plus. By default, the exporter is started for NGINX.
  -nginx.scrape-uri string
    	A URI for scraping NGINX or NGINX Plus metrics.
    		For NGINX, the stub_status page must be available through the URI. For NGINX Plus -- the API. (default "http://127.0.0.1:8080/stub_status")
  -web.listen-address string
    	An address to listen on for web interface and telemetry. (default ":9113")
  -web.telemetry-path string
    	A path under which to expose metrics. (default "/metrics")

But

    Args:
      -nginx.scrape-uri=http://127.0.0.1:80/stub_status

indeed works!

Versus my prior

    Args:
      -nginx.scrape-uri="http://127.0.0.1:80/stub_status"

Thanks!

[Dean-Coakley]

Glad I could help!

Thanks for all this extra detail. I'll take some steps to investigate if we can make this less error prone

[r4j4h]

My pleasure, and mega thanks to ya'll for starting this exporter!!