Merged in dev/marlon/test22.tfvars-3rd-ems-and-engageli-to-m5.large-2…

…022.08.22 (pull request elastic#841)

engageli node to m5.large, also add 3rd ems cluster

* engageli node to m5a.large, also add 3rd ems cluster


Approved-by: Gabi Davar

aws/ams-cluster-v1-tf/tfvars/test22.tfvars

@@ -19,9 +19,10 @@ merger_asg_max_size                 = 12
 concurrent_merger_jobs_per_instance = 1
 
 # EMS
-ems_num_clusters      = 2
+ems_num_clusters      = 3
 ems_asg_min_size      = 2
 ems_asg_max_size      = 2
+ems_enabled_sandboxes = ["class", "staging"]
 
 ami_ids = {
   "engageli" = "",
@@ -32,7 +33,7 @@ ami_ids = {
 
 # instance_types = {...}
 instance_types = {
-  "engageli"  = "c5.xlarge",
+  "engageli"  = "m5a.large",
   "postgres"  = "db.t4g.medium",
   "redis"     = "cache.t4g.micro",
   "ems"       = "c5.xlarge",