kubernetes-sigs#57 - manage root volume size and type

joanayma · Jul 13, 2018 · 0bc357a · 0bc357a
1 parent 2173bbc
commit 0bc357a
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/variables.tf b/variables.tf
@@ -76,6 +76,9 @@ variable "workers_group_defaults" {
     asg_max_size         = "3"           # Maximum worker capacity in the autoscaling group.
     asg_min_size         = "1"           # Minimum worker capacity in the autoscaling group.
     instance_type        = "m4.large"    # Size of the workers instances.
+    root_volume_size     = "20"          # root volume size of workers instances.
+    root_volume_type     = "gp2"         # root volume type of workers instances, can be 'standard', 'gp2', or 'io1'
+    root_iops            = "0"           # The amount of provisioned IOPS. This must be set with a volume_type of "io1".
     key_name             = ""            # The key name that should be used for the instances in the autoscaling group
     pre_userdata         = ""            # userdata to pre-append to the default userdata.
     additional_userdata  = ""            # userdata to append to the default userdata.

diff --git a/workers.tf b/workers.tf
@@ -37,9 +37,9 @@ resource "aws_launch_configuration" "workers" {
   }
 
   root_block_device {
-    volume_size           = "${var.root_volume_size}"
-    volume_type           = "${var.root_volume_type}"
-    iops                  = "${var.root_iops}"
+    volume_size           = "${lookup(var.worker_groups[count.index], "root_volume_size", lookup(var.workers_group_defaults, "root_volume_size"))}"
+    volume_type           = "${lookup(var.worker_groups[count.index], "root_volume_type", lookup(var.workers_group_defaults, "root_volume_type"))}"
+    iops                  = "${lookup(var.worker_groups[count.index], "root_iops", lookup(var.workers_group_defaults, "root_iops"))}"
     delete_on_termination = true
   }
 }