slaprunner : shellinabox is now accessible from a url

based on the one of the runner

software/slaprunner/instance-runner.cfg

@@ -246,6 +246,7 @@ recipe = slapos.recipe.template:jinja2
 template = ${template_nginx_conf:location}/${template_nginx_conf:filename}
 rendered = $${nginx-frontend:path_nginx_conf}
 context =
+    key shellinabox_port shellinabox:port
     section param_nginx_frontend nginx-frontend
     section param_tempdir tempdirectory
 

software/slaprunner/nginx_conf.in

@@ -66,5 +66,17 @@ http {
             proxy_set_header        X-Forwarded-For   $proxy_add_x_forwarded_for;
             proxy_set_header        X-Forwarded-Host  $http_host;
         }
+	location /shellinabox {
+            proxy_pass  http://{{ param_nginx_frontend['global-ip'] }}:{{ shellinabox_port }}/;
+            proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
+            proxy_redirect off;
+            proxy_buffering off;
+            proxy_set_header        Host              $host;
+            proxy_set_header        X-Real-IP         $remote_addr;
+            proxy_set_header        X-Forwarded-Proto $scheme;
+            proxy_set_header        X-Forwarded-For   $proxy_add_x_forwarded_for;
+            proxy_set_header        X-Forwarded-Host  $http_host;
+
+	}
     }
 }