Add some additional worker options (#7)

* add support for suspending autoscaling processes

* resolves #6

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.0] - 2019-03-15
+### Added
+- suspended_processes on worker groups
+- enabled_metrics on worker groups
+
 ## [0.2.0] - 2019-03-01
 - Added Velero Support
 - Resolved issue with using aws_subnet_ids datasource for private_subnets

README.md

@@ -32,6 +32,8 @@ It is possible to customise individual parameters on the the workers list.
 | desired\_capacity | ASG desired capacity. Ignored after creation | string | `"1"` | no |
 | min\_size | ASG minimum size | string | `"1"` | no |
 | max\_size | ASG maximum size | string | `"10"` | no |
+| suspended\_processes | A comma seperated string of processes to suspend for the worker group | string | `""` | no |
+| enabled\_metrics | A comma seperated string of ASG metrics to enable | string | `""` | no |
 | on\_demand\_allocation\_strategy | Strategy to use when launching on-demand instances | string | `"prioritized"` | no |
 | on\_demand\_base\_capacity | Absolute minimum amount of desired capacity that must be fulfilled by on-demand instances | string | `"0"` | no |
 | on\_demand\_percentage\_above\_base_capacity | Percentage split between on-demand and spot instances above the base on-demand capacity | string | `"0"` | no |

workers.tf

@@ -6,6 +6,9 @@ resource "aws_autoscaling_group" "workers" {
   max_size            = "${lookup(var.workers[count.index], "asg_max_size", 10)}"
   vpc_zone_identifier = ["${var.private_subnets}"]
 
+  suspended_processes = ["${compact(split(",", lookup(var.workers[count.index], "suspended_processes", "")))}"]
+  enabled_metrics = ["${compact(split(",", lookup(var.workers[count.index], "enabled_metrics", "")))}"]
+
   mixed_instances_policy {
     instances_distribution {
       on_demand_allocation_strategy            = "${lookup(var.workers[count.index], "on_demand_allocation_strategy" , "prioritized")}"