Don't crash when getting an unknown error from Slack

- Slack takes their site down to do database migrations and returns an
  api error while this is happening. This catches the error when
  authenticating and returns so that it can (hopefully) continue to
  reconnect.

1 files changed, 6 insertions, 1 deletions

diff --git a/warmachine/connections/slack.py b/warmachine/connections/slack.py
index 26113b9..116a540 100644
--- a/warmachine/connections/slack.py
+++ b/warmachine/connections/slack.py
@@ -4,6 +4,7 @@ import logging
 from pprint import pformat
 from urllib.parse import urlencode
 import urllib.request
+import sys
 
 import websockets
 
@@ -46,7 +47,11 @@ class SlackWS(Connection):
         return md5(self.token.encode()).hexdigest()
 
     async def connect(self):
-        self.host = self.authenticate()
+        try:
+            self.host = self.authenticate()
+        except Exception:
+            self.log.exception('Error authenticating to slack')
+            return
         self.log.info('Connecting to {}'.format(self.host))
         self.ws = await websockets.connect(self.host)
         self.STATUS = CONNECTED