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Re: Health Check Issue

Sergey A. Osokin
October 01, 2020 04:26PM
Hi Jeff,

thanks for the report.

Since this is related to the commercial version of NGINX - NGINX Plus, I'd recommend
to raise a request with 24x7 NGINX Support Team through the My F5 Portal.

Thanks.

--
Sergey Osokin

On Thu, Oct 01, 2020 at 02:13:54PM -0400, Jeff Creek wrote:
> I am trying to check the contents of an html file on upstream servers. A
> configuration using HTTP works. However, using the same check with HTTPS
> does not work.
>
> nginx version: nginx/1.19.0 (nginx-plus-r22)
>
> Upstreams are IIS.
>
> Non working config:
> log_format upstreamlog-giscrp '$server_name to: $upstream_addr [$request] '
> 'upstream_response_time $upstream_response_time '
> 'msec $msec request_time $request_time';
>
> match giscrp_up {
> body ~* "IISUP";
> }
>
> upstream giscrp {
> server 10.212.226.58:443;
> server 10.212.226.59:443;
> zone map 64k;
> }
>
> server {
> listen 443 ssl http2;
>
> server_name giscrp.vt911.net;
>
>
> ssl_certificate /etc/pki/tls/certs/
> vt911.net/STAR_vt911_net-bundle.crt;
> ssl_certificate_key /etc/pki/tls/certs/
> vt911.net/STAR_vt911.net.key;
> access_log /var/log/nginx/access-giscrp.log upstreamlog-giscrp;
>
>
> #proxy_ssl on;
>
>
>
> location / {
> proxy_set_header X-Forwarded-For $remote_addr; #Passes client
> IP to upstream web server
> proxy_set_header Host $http_host; #Passes request hostname
> from client in header
> proxy_set_header X-Forwarded-Proto $scheme;
> proxy_http_version 1.1;
> proxy_pass https://giscrp;
> health_check match=giscrp_up uri=/iisstatus.html;
> }
> }
>
>
> Working config over HTTP:
> log_format upstreamlog-map '$server_name to: $upstream_addr [$request] '
> 'upstream_response_time $upstream_response_time '
> 'msec $msec request_time $request_time';
> match iis_up {
> body ~ "IISUP";
> }
>
> server {
> listen 80;
> server_name map.vt911.net;
> proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
> access_log /var/log/nginx/access-map.log upstreamlog-map;
>
> location / {
> proxy_pass http://map.vt911.net;
> proxy_set_header X-Forwarded-For $remote_addr;
> proxy_http_version 1.1;
> proxy_set_header Connection "";
> health_check match=iis_up uri=/iisstatus.html;
> }
> }
>
> upstream map.vt911.net {
> server 10.212.224.56:80;
> server 10.212.224.57:80;
> zone map 64k;
> }
>
> I am not sure if the health check is sending the request to the IP instead
> of the FQDN and the server is rejecting it or something.
>
> Any ideas would be appreciated.
>
> --
> Jeff Creek
> INdigital

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> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx

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Subject Author Posted

Health Check Issue

jcreek October 01, 2020 02:16PM

Re: Health Check Issue

Sergey A. Osokin October 01, 2020 04:26PM



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