Increase timeout for ES to become green

5 minutes is not enough for production clusters,
change to 2h.

Change-Id: I2ac1d0acd3c7b5353d8d9d181dc294ba9d27a832
PROD-related: PROD-31655
diff --git a/stacklight-upgrade.groovy b/stacklight-upgrade.groovy
index 9eef811..7554530 100644
--- a/stacklight-upgrade.groovy
+++ b/stacklight-upgrade.groovy
@@ -49,8 +49,8 @@
 def verify_es_is_green(master) {
     common.infoMsg('Verify that the Elasticsearch cluster status is green')
     try {
-        def retries_wait = 20
-        def retries = 15
+        def retries_wait = 120
+        def retries = 60
 
         def elasticsearch_vip
         def pillar = salt.getReturnValues(salt.getPillar(master, "I@elasticsearch:client", 'elasticsearch:client:server:host'))