add git vm

add the git.lib.princeton.edu vm to inventory

inventory/by_environment/production

@@ -50,6 +50,7 @@ prosody_production
 pulcheck_production
 pulfalight_production
 pulfalight_production_workers
+pulgit_production
 pulmap_production
 pulmirror_production
 recap_production

roles/nginxplus/files/conf/http/pulgit_prod.conf

@@ -0,0 +1,42 @@
+# Ansible managed
+proxy_cache_path /data/nginx/pulgit/NGINX_cache/ keys_zone=pulgitcache:10m;
+
+upstream pulgit {
+    zone pulgit 64k;
+    server git.lib.princeton.edu:443 resolve;
+    sticky learn
+          create=$upstream_cookie_pulgitcookie
+          lookup=$cookie_pulgitcookie
+          zone=pulgitclient_sessions:1m;
+}
+
+server {
+    listen 80;
+    server_name pulgit.lib.princeton.edu;
+
+    location / {
+        return 301 https://$server_name$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl;
+    http2 on;
+    server_name pulgit.lib.princeton.edu;
+
+    ssl_certificate            /etc/letsencrypt/live/pulgit.lib/fullchain.pem;
+    ssl_certificate_key        /etc/letsencrypt/live/pulgit.lib/privkey.pem;
+    ssl_session_cache          shared:SSL:1m;
+    ssl_prefer_server_ciphers  on;
+
+    location / {
+        proxy_pass https://pulgit;
+        proxy_cache pulgitcache;
+        proxy_set_header Connection $http_connection;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Host $host;
+        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;
+    }
+}