Add zuul-web nginx configuration

This should allow the zuul dashboard to work.

Change-Id: I53c7ccb861630cfbca19d53193e5a7266b179635
Depends-On: https://review.openstack.org/648849
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

ansible/group_vars/zuul-web.yaml

@@ -33,3 +33,7 @@ logrotate_configs:
       - rotate 7
       - daily
       - notifempty
+
+nginx_file_nginx_config:
+  - dest: /etc/nginx/conf.d/zuul-web.conf
+    src: "{{ windmill_config_git_dest }}/zuul/etc/nginx/conf.d/zuul-web.conf.j2"

zuul/etc/nginx/conf.d/zuul-web.conf.j2

@@ -0,0 +1,13 @@
+server {
+  listen 80;
+  listen [::]:80;
+
+  server_name _;
+
+  location /zuul/ {
+    proxy_pass http://{{ hostvars['zw01'].ansible_host }}:9000/;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "upgrade";
+  }
+}