Hi Maxim,

It's not in upstream block. It's in server block. Please refer code snip below.

upstream backend_grpc {
server unix:/tmp/nginx_local/grpc_be_management.sock;
}

server {
listen 443 http2 default_server;

ssl on;
ssl_certificate default.crt;
ssl_certificate_key default.key;

ssl_session_timeout 5m;

.....

location /gnmi {
grpc_pass grpc://backend_grpc;
set $grpc_client_cert_auth 1;
if ($ssl_client_verify != SUCCESS){
set $grpc_client_cert_auth 0;
}
client_body_timeout 2000000;
#grpc_read_timeout 2000000;

#grpc_set_header cl_cert_s_dn $ssl_client_s_dn;
#grpc_set_header cl_cert_status $grpc_client_cert_auth;
}
}

Regards,
Babu

________________________________
From: Maxim Konovalov <maxim@nginx.com>
Sent: Friday, June 4, 2021 2:15 AM
To: nginx@nginx.org <nginx@nginx.org>; babu vel <babuvel_d@hotmail.com>
Subject: Re: Using gRPC nginx gateway

Hi Babu,

On 04.06.2021 10:54, babu vel wrote:
> Hi,
>
> Am using nginx 1.17.3 version and trying to enable http2 and gRPC
> gateway. I compiled it enabling http_v2 and gRPC module. However, am
> still getting below error reporting unknown directive "grpc_pass", can
> you please let me know what is the issue here?
>
> # nginx -c /nginx/conf/grpc.conf -t
> nginx: [emerg] unknown directive "grpc_pass" in /nginx/conf/grpc.conf:165
> nginx: configuration file /nginx/conf/grpc.conf test failed
> #
>
> # cat -n /nginx/conf/grpc.conf | grep -i http2
> 88 listen 443 http2 default_server;
> # cat -n /nginx/conf/grpc.conf | grep -i grpc
> 83 upstream backend_grpc {
> 84 server unix:/tmp/nginx_local/grpc_be_management.sock;
> 165 grpc_pass grpc://backend_grpc;
> 166 set $grpc_client_cert_auth 1;
> 168 set $grpc_client_cert_auth 0;
> 171 #grpc_read_timeout 2000000;
> 173 #grpc_set_header cl_cert_s_dn $ssl_client_s_dn;
> 174 #grpc_set_header cl_cert_status $grpc_client_cert_auth;
> #
>
[...]

You cannot really use this directive in the upstream block, see

http://nginx.org/r/grpc_pass

--
Maxim Konovalov
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