#49 REDIS_URL configuration

README.rst

@@ -106,12 +106,14 @@ The following environment variables are supported:
     Set to "true" for local development to reload code changes.
 ``MOCK``
     Set to "true" to mock Kubernetes cluster data.
+``REDIS_URL``
+    Optional Redis server to use for pub/sub events and job locking when running more than one replica.
 
 
 Supported Browsers
 ==================
 
-The UI uses WebGL and ECMAScript 6 features.
+The UI uses WebGL, ECMAScript 6, and EventSource features.
 The following browsers are known to work:
 
 * Chrome/Chromium 53.0+

app.py

@@ -24,6 +24,7 @@ from flask import Flask, redirect
 from flask_oauthlib.client import OAuth, OAuthRemoteApp
 from urllib.parse import urljoin
 
+logging.basicConfig(level=logging.INFO)
 
 class MemoryStore:
     def __init__(self):
@@ -54,7 +55,7 @@ class MemoryStore:
 
 class RedisStore:
     def __init__(self, url):
-        self._url = url
+        logging.info('Connecting to Redis on {}..'.format(url))
         self._redis = redis.StrictRedis.from_url(url)
         self._redlock = Redlock([url])
 
@@ -375,7 +376,6 @@ def update():
 
 
 if __name__ == '__main__':
-    logging.basicConfig(level=logging.INFO)
     http_server = gevent.wsgi.WSGIServer(('0.0.0.0', SERVER_PORT), app)
     gevent.spawn(update)
     logging.info('Listening on :{}..'.format(SERVER_PORT))

deploy/deployment.yaml

@@ -28,6 +28,9 @@ spec:
             port: 8080
           initialDelaySeconds: 5
           timeoutSeconds: 1
+        env:
+        - name: REDIS_URL
+          value: kube-ops-view-redis:6379
         resources:
           limits:
             cpu: 200m