Attempt at restarting dead teams.

Author: dblock

slack-api-explorer/app.rb

@@ -1,14 +1,41 @@
 module SlackApiExplorer
   class App < SlackRubyBotServer::App
+    include Celluloid
+
     def prepare!
       super
       purge_inactive_teams!
     end
 
+    def after_start!
+      every 60 * 60 do
+        ping_teams!
+      end
+    end
+
     private
 
     def purge_inactive_teams!
       Team.purge!
     end
+
+    def ping_teams!
+      Team.active.each do |team|
+        begin
+          ping = team.ping!
+          next if ping[:presence].online
+          logger.warn "DOWN: #{team}"
+          after 60 do
+            ping = team.ping!
+            unless ping[:presence].online
+              logger.info "RESTART: #{team}"
+              SlackApiExplorer::Service.instance.start!(team)
+            end
+          end
+        rescue StandardError => e
+          logger.warn "Error pinging team #{team}, #{e.message}."
+        end
+      end
+    end
   end
 end