A trivial guestbook app

Functions for GET and POST endpoints. A redis.yaml to deploy redis on kubernetes. And a deploy.sh to deploy the fission functions with routes.
2017-01-18 15:30:51 -08:00
parent 9ffba72c11
commit 928d96c080
4 changed files with 104 additions and 0 deletions
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+#
+# Handles GET /guestbook -- returns a list of items in the guestbook
+# with a form to add more.
+#
+
+from flask import current_app, escape
+import redis
+
+# Connect to redis.  This is run only when this file is loaded; as
+# long as the pod is alive, the connection is reused.
+redisConnection = redis.StrictRedis(host='redis.guestbook', port=6379, db=0)
+
+def main():
+    messages = redisConnection.lrange('guestbook', 0, -1)
+
+    items = [("<li>%s</li>" % escape(m.decode('utf-8'))) for m in messages]
+    ul = "<ul>%s</ul>" % "\n".join(items)
+    return """
+      <html><body>
+          <h1>Guestbook</h1>      
+          <form action="/guestbook" method="POST">
+            <input type="text" name="text">
+            <button type="submit">Add</button>
+          </form>
+          <hr/>
+          %s
+      </body></html>
+      """ % ul