Support for ws_stub_status (websocket) [failed to parse response body "WebSocket connections]

[willianccs]

Is your feature request related to a problem? Please describe.
I'm using websocket and export the stub_status for these connections using a custom module.
The output is:

❯ curl -k https://localhost/ws_status
WebSocket connections: 0
client websocket frames  | client websocket payload | client tcp data
0 0 0
upstream websocket frames  | upstream websocket payload | upstream tcp data
0 0 0

But the during the start of exporter appears this error:

Could not create Nginx Client: failed to parse response body "WebSocket connections: 0\nclient websocket frames  | client websocket payload | client tcp data\n0 0 0\nupstream websocket frames  | upstream websocket payload | upstream tcp data\n0 0 0\n": invalid input "WebSocket connections: 0\nclient websocket frames  | client websocket payload | client tcp data\n0 0 0\nupstream websocket frames  | upstream websocket payload | upstream tcp data\n0 0 0\n"

Describe the solution you'd like
Expect to parse the values to show like HTTP (stub_status):

❯ curl -k https://localhost/basic_status
Active connections: 2 
server accepts handled requests
 61 61 60 
Reading: 0 Writing: 1 Waiting: 1

❯ curl http://localhost:9113/metrics 
# HELP nginx_connections_accepted Accepted client connections
# TYPE nginx_connections_accepted counter
nginx_connections_accepted{business="stasco",env="dev-local",protocol="http"} 109
# HELP nginx_connections_active Active client connections
# TYPE nginx_connections_active gauge
nginx_connections_active{business="stasco",env="dev-local",protocol="http"} 1
# HELP nginx_connections_handled Handled client connections
# TYPE nginx_connections_handled counter
nginx_connections_handled{business="stasco",env="dev-local",protocol="http"} 109
# HELP nginx_connections_reading Connections where NGINX is reading the request header
# TYPE nginx_connections_reading gauge
nginx_connections_reading{business="stasco",env="dev-local",protocol="http"} 0
# HELP nginx_connections_waiting Idle client connections
# TYPE nginx_connections_waiting gauge
nginx_connections_waiting{business="stasco",env="dev-local",protocol="http"} 0
# HELP nginx_connections_writing Connections where NGINX is writing the response back to the client
# TYPE nginx_connections_writing gauge
nginx_connections_writing{business="stasco",env="dev-local",protocol="http"} 1
# HELP nginx_http_requests_total Total http requests
# TYPE nginx_http_requests_total counter
nginx_http_requests_total{business="stasco",env="dev-local",protocol="http"} 84

Maybe with prefix nginx_websocket_ instead of nginx_http_ .

Additional context
The custom module used to export ws_status: https://github.com/Refinitiv/ngx_http_websocket_stat_module

[github-actions]

This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This issue was closed because it has been stalled for 10 days with no activity.