Not that I am any expert, but my location configuration is as follow (I
just use '/', not sure if it affects anything compared to /ci/ that you
have):
{code}
location / {
proxy_pass http://jenkins_master:8080;
proxy_set_header X-Forwarded-Host $host:$server_port;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Real-IP $remote_addr;
proxy_max_temp_file_size 0;
proxy_connect_timeout 150;
proxy_send_timeout 100;
proxy_read_timeout 100;
proxy_buffer_size 8k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
}
{code}
On Mon, Jul 22, 2019 at 4:31 PM Jean-Luc Pinardon <[email protected]>
wrote:
> Dear all,
>
> I know the subject is not new, but I have not been able to find a solution
> to my problem. Even after reading Jenkins behind a reverse proxy
> <https://wiki.jenkins.io/display/JENKINS/Jenkins+behind+an+NGinX+reverse+proxy>
> .
>
> As a docker training exercise, I try to setup a mockup with 2 containers.
>
> - One with nginx
> nginx is used as a reverse http proxy (the next step wil be https
> frontend)
> - One with jenkins
> jenkins is supposed to be publicly accessible as
> www.devportal.org:90/ci, but is *internally *(i.e. within the *docker
> network) *known as jenkins_ci thanks to docker network alias.
> I have added
> ---prefix=/ci
>
> to the JENKINS_OPTS environment variable.
>
>
> I have partially succeeds. I mean that I can access it with the given
> address. But ...
>
> -
>
> When I try to connect as a user (the admin user), I get the login
> page. But when filling the user / password, I am redirected to
> http://www.devportal.org/ci/.
> In other words, the domain name and the prefix are OK, but* the port
> number is lost*.
> -
>
> If I add the port to this address on the location bar, I am correctly
> connected as the admin user, and the home page is correctly displayed.
> -
>
> When I select the manage page, I see a warning message saying that my*
> reverse proxy configuration is broken*.
> -
>
> Besides, when going to configure system, the page is displayed but *it
> never finishes loading*.
> - Also, on the jenkins logs, I see the following eror message :
> Jul 22, 2019 4:13:34 PM hudson.diagnosis.ReverseProxySetupMonitor
> getTestForReverseProxySetup
> WARNING: http://www.devportal.org/ci/manage vs.
> http://www.devportal.org:90/ci/manage
>
>
> I have checked that the Jenkins URL in the Jenkins location section is
> correctly configured as www.devportal.org:90/ci.
>
> And my nginx configuration is :
> server {
> listen 90;
> listen [::]:90;
> server_name www.devportal.org;
> access_log /var/log/nginx/reverse-access.log;
> error_log /var/log/nginx/reverse-error.log;
>
> location ~ "^/static/[0-9a-fA-F]{8}\/(.*)$" {
> #rewrite all static files into requests to the root
> #E.g /static/12345678/css/something.css will become
> /css/something.css
> rewrite "^/static/[0-9a-fA-F]{8}\/(.*)" /$1 last;
> }
>
> location /ci/ {
> proxy_pass http://jenkins_ci:8080;
> proxy_set_header Host $host:$server_port;
> proxy_set_header X-Real-IP $remote_addr;
> proxy_set_header X-Forwarded-For
> $proxy_add_x_forwarded_for;
> proxy_set_header X-Forwarded-Proto $scheme;
> # Fix the "It appears that your reverse proxy set up is
> broken" error.
> proxy_set_header X-Forwarded-Host $host;
> proxy_read_timeout 90;
> proxy_redirect http://jenkins_ci:8080
> http://www.devportal.org;
> # Required for new HTTP-based CLI
> proxy_http_version 1.1;
> proxy_request_buffering off;
> proxy_set_header Connection ""; # Clear for keepalivea
> }
> }
>
>
>
> So, for sure, as the port number is lost, I guess there is something
> wrong in the nginx configuration (and/ or jenkins ?), but cannot find where.
>
> I would be very thankful if someone could help me.
>
> Best Regards
> J-L
>
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