* Finished first cut of managed node groups
* Updated formatting and extra fields.
* Updating Changelog and README
* Fixing formatting
* Fixing docs.
* Updating required Version
* Updating changelog
* Adding example for managed node groups
* Managed IAM Roles for Nodegroups now have correct policies. Tags can now be added to node groups.
* Fixing bug where people could set source_security_group_ids without setting ssh key causing a race condition within the aws provider.
* Adding lifecycle create_before_destroy
* Adding random pet names for create_before_destroy
* Updating per comments.
* Updating required versions of terraform
* Updating per comments.
* Updating vars
* Updating minimum version for terraform
* Change worker_groups_managed_node_groups to node_groups
* Using for_each on the random_pet
* Adding changes recommended by @eytanhanig
* Update node_groups.tf
* Allow the userdata template to be replaced
* Address fmt issue
* Rename 'customer_userdata' name to 'userdata_template_file'
* Add support for userdata_template_extra_args
* Add support for userdata_template_extra_args
* fix merge conflicts
* Fix merge problem that dropped the file load
Add `platform` to the template expansion context
Add `userdata_launch_template` to `launch_template_userdata`
* Add Windows support
* Assign eks:kube-proxy-windows group to worker nodes
* Add Instructions for adding Windows Workers at FAQ.md
* Remove unnecessary variables from userdata_windows.tpl
* Update CHANGELOG.md
* Update comments for 'asg_recreate_on_change' attribute in 'workers_group_defaults_defaults' for better clarify of what resources it's talking about.
* Expand a few more acronyms and abbreviations.
* Create ASG tags via for - utility from terraform 12
* Updated support for mixed ASG in worker_groups_launch_template variable
* Updated launch_template example to include spot and mixed ASG with worker_groups_launch_template variable
* Removed old config
* Removed workers_launch_template_mixed.tf file, added support for mixed/spot in workers_launch_template variable
* Updated examples/spot_instances/main.tf with Mixed Spot and ondemand instances
* Removed launch_template_mixed from relevant files
* Updated README.md file
* Removed workers_launch_template.tf.bkp
* Fixed case with null on_demand_allocation_strategy and Spot allocation
* Fixed workers_launch_template.tf, covered spot instances via Launch Template
* Replace coalesce() usage for locals with ternary operator. Fixes terraform errors during destroy when only empty strings were passed to coalesce().
* Update changelog.
* Fix formatting.
* run terraform upgrade tool
* fix post upgrade TODOs
* use strict typing for variables
* upgrade examples, point them at VPC module tf 0.12 PR
* remove unnecessary `coalesce()` calls
coalesce(lookup(map, key, ""), default) -> lookup(map, key, default)
* Fix autoscaling_enabled broken (#1)
* always set a value for tags, fix coalescelist calls
* always set a value for these tags
* fix tag value
* fix tag value
* default element available
* added default value
* added a general default
without this default - TF is throwing an error when running a destroy
* Fix CI
* Change vpc module back to `terraform-aws-modules/vpc/aws` in example
* Update CHANGELOG.md
* Change type of variable `cluster_log_retention_in_days` to number
* Remove `xx_count` variables
* Actual lists instead of strings with commas
* Remove `xx_count` variable from docs
* Replace element with list indexing
* Change variable `worker_group_tags` to a attribute of worker_group
* Fix workers_launch_template_mixed tags
* Change override_instance_type_x variables to list.
* Update CHANGELOG.md
* Adding Worker ASG Option for termination_policies, default set to Default
* Adding setting to launch template and mixed
* Updated a few more things per PR notes
* Change termination_policy default from "Default" to ""
* Adding new mixed type of worker group with instance overrides and mixed instances policy
* moving all count and lifecycle rule parameters to top/bottom
* adding custom IAM parts
* updating doc with new options
* fixes for spot instances
* allow creating an IAM role for each worker group
* moved change from 'changed' to 'added'
* create multiple roles not just profiles
* fix config_map_aws_auth generation
* don't duplicate worker-role templating
* specify ARNs for worker groups individually
todo fix aws_auth configmap
* fixed AWS auth
* fix aws_iam_instance_profile.workers name
fix iam_instance_profile fallback
* fix outputs
* fix iam_instance_profile calculation
* hopefully fix aws auth configmap generation
* manually fill out remainder of arn
* remove depends_on in worker_role_arns template file
this was causing resources to be recreated every time
* fmt
* fix typo, move iam_role_id default to defaults map
