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terraform-aws-eks/CHANGELOG.md
Petri Kero c9986f5e01 Fix errors from usage of coalesce (#402) (#459) 
* 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.
2019-08-06 18:05:54 +02:00

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# Change Log
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/) and this
project adheres to [Semantic Versioning](http://semver.org/).
## Next release
## [[v5.?.?](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v5.1.0...HEAD)] - 2019-08-??]
### Added
- Added support for log group tag in `./cluster.tf` (@lucas-giaco)
- Added support for workers iam role tag in `./workers.tf` (@lucas-giaco)
- Write your awesome addition here (by @you)
- Added `required_providers` to enforce provider minimum versions (by @dpiddockcmp)
### Changed
- Fixed errors sometimes happening during destroy due to usage of coalesce() in local.tf (by @petrikero)
- Write your awesome change here (by @you)
# History
## [[v5.1.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v5.1.0...v5.1.1)] - 2019-07-30]
### Added
- Added new tag in `worker.tf` with autoscaling_enabled = true flag (by @insider89)
## [[v5.1.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v5.0.0...v5.1.0)] - 2019-07-30]
### Added
- Option to set a KMS key for the log group and encrypt it (by @till-krauss)
- Output the name of the cloudwatch log group (by @gbooth27)
- Added `cpu_credits` param for the workers defined in `worker_groups_launch_template` (by @a-shink)
- Added support for EBS Volumes tag in `worker_groups_launch_template` and `workers_launch_template_mixed.tf` (by @sppwf)
### Changed
- Update default override instance types to work with Cluster Autoscaler (by @nauxliu on behalf of RightCapital)
- Examples now specify `enable_dns_hostnames = true`, as per [EKS documentation](https://docs.aws.amazon.com/eks/latest/userguide/network_reqs.html) (by @karolinepauls)
## [[v5.0.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v4.0.2...v5.0.0)] - 2019-06-19]
### Added
- Added Termination Policy Option to worker ASGs (by @undeadops)
- Update EBS optimized instances type (by @gloutsch)
- Added tagging for iam role created in `./cluster.tf` (@camilosantana)
- Enable log retention for cloudwatch log groups (by @yuriipolishchuk)
- Update to EKS 1.13 (by @gloutsch)
### Changed
- Finally, Terraform 0.12 support, [Upgrade Guide](https://github.com/terraform-aws-modules/terraform-aws-eks/pull/394) (by @alex-goncharov @nauxliu @timboven)
- All the xx_count variables have been removed (by @nauxliu on behalf of RightCapital)
- Use actual lists in the workers group maps instead of strings with commas (by @nauxliu on behalf of RightCapital)
- Move variable `worker_group_tags` to workers group's attribute `tags` (by @nauxliu on behalf of RightCapital)
- Change override instance_types to list (by @nauxliu on behalf of RightCapital)
- Fix toggle for IAM instance profile creation for mixed launch templates (by @jnozo)
## [[v4.0.2](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v4.0.1...v4.0.2)] - 2019-05-07]
### Changed
- Added 2 new examples, also tidy up basic example (by @max-rocket-internet)
- Updates to travis, PR template (by @max-rocket-internet)
- Fix typo in data.tf (by @max-rocket-internet)
- Add missing launch template items in `aws_auth.tf` (by @max-rocket-internet)
## [[v4.0.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v4.0.0...v4.0.1)] - 2019-05-07]
### Changed
- Fix annoying typo: worker_group_xx vs worker_groups_xx (by @max-rocket-internet)
## [[v4.0.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v3.0.0...v4.0.0)] - 2019-05-07]
### Added
- Added support for custom service linked role for Auto Scaling group (by @voanhduy1512)
- Added support for custom IAM roles for cluster and workers (by @erks)
- Added cluster ARN to outputs (by @alexsn)
- Added outputs for `workers_user_data` and `workers_default_ami_id` (by @max-rocket-internet)
- Added doc about spot instances (by @max-rocket-internet)
- Added new worker group option with a mixed instances policy (by @max-rocket-internet)
### Changed
- Set default suspended processes for ASG to `AZRebalance` (by @max-rocket-internet)
- 4 small changes to `aws_launch_template` resource (by @max-rocket-internet)
- (Breaking Change) Rewritten and de-duplicated code related to Launch Templates (by @max-rocket-internet)
- Add .prettierignore file (by @rothandrew)
- Switch to https for the pre-commit repos (by @rothandrew)
- Add instructions on how to enable the docker bridge network (by @rothandrew)
## [[v3.0.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.3.1...v3.0.0)] - 2019-04-15]
### Added
- Fixed: Ability to destroy clusters due to security groups being attached to ENI's (by @whiskeyjimbo)
- Added outputs for worker IAM instance profile(s) (by @soapergem)
- Added support for cluster logging via the `cluster_enabled_log_types` variable (by @sc250024)
### Changed
- Updated vpc module version and aws provider version. (by @chenrui333)
- Upgraded default kubernetes version from 1.11 to 1.12 (by @stijndehaes)
## [[v2.3.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.3.0...v2.3.1)] - 2019-03-26]
### Added
- Added support for eks public and private endpoints (by @stijndehaes)
- Added minimum inbound traffic rule to the cluster worker security group as per the [EKS security group requirements](https://docs.aws.amazon.com/eks/latest/userguide/sec-group-reqs.html) (by @sc250024)
### Changed
- (Breaking Change) Replaced `enable_docker_bridge` with a generic option called `bootstrap_extra_args` to resolve [310](https://github.com/terraform-aws-modules/terraform-aws-eks/issues/310) (by @max-rocket-internet)
## [[v2.3.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.2.1...v2.3.0)] - 2019-03-20]
### Added
- Allow additional policies to be attached to worker nodes (by @rottenbytes)
- Ability to specify a placement group for each worker group (by @matheuss)
- "k8s.io/cluster-autoscaler/{cluster-name}" and "k8s.io/cluster-autoscaler/node-template/resources/ephemeral-storage" tags for autoscaling groups (by @tbarrella)
- Added "ec2:DescribeLaunchTemplateVersions" action to worker instance role (by @skang0601)
- Adding ebs encryption for workers launched using workers_launch_template (by @russki)
- Added output for generated kubeconfig filename (by @syst0m)
- Added outputs for cluster role ARN and name (by @spingel)
- Added optional name filter variable to be able to pin worker AMI to a release (by @max-rocket-internet)
- Added `--enable-docker-bridge` option for bootstrap.sh in AMI (by @michaelmccord)
## [[v2.2.2](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.2.1...v2.2.2)] - 2019-02-25]
### Added
- Ability to specify a path for IAM roles (by @tekn0ir)
## [[v2.2.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.2.0...v2.2.1)] - 2019-02-18]
## [[v2.2.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.1.0...v2.2.0)] - 2019-02-07]
### Added
- Ability to specify a permissions_boundary for IAM roles (by @dylanhellems)
- Ability to configure force_delete for the worker group ASG (by @stefansedich)
- Ability to configure worker group ASG tags (by @stefansedich)
- Added EBS optimized mapping for the g3s.xlarge instance type (by @stefansedich)
- `enabled_metrics` input (by @zanitete)
- write_aws_auth_config to input (by @yutachaos)
### Changed
- Change worker group ASG to use create_before_destroy (by @stefansedich)
- Fixed a bug where worker group defaults were being used for launch template user data (by @leonsodhi-lf)
- Managed_aws_auth option is true, the aws-auth configmap file is no longer created, and write_aws_auth_config must be set to true to generate config_map. (by @yutachaos)
## [[v2.1.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v2.0.0...v2.1.0)] - 2019-01-15]
### Added
- Initial support for worker groups based on Launch Templates (by @skang0601)
### Changed
- Updated the `update_config_map_aws_auth` resource to trigger when the EKS cluster endpoint changes. This likely means that a new cluster was spun up so our ConfigMap won't exist (fixes #234) (by @elatt)
- Removed invalid action from worker_autoscaling iam policy (by @marcelloromani)
- Fixed zsh-specific syntax in retry loop for aws auth config map (by @marcelloromani)
- Fix: fail deployment if applying the aws auth config map still fails after 10 attempts (by @marcelloromani)
## [[v2.0.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.8.0...v2.0.0)] - 2018-12-14]
### Added
- (Breaking Change) New input variables `map_accounts_count`, `map_roles_count` and `map_users_count` to allow using computed values as part of `map_accounts`, `map_roles` and `map_users` configs (by @chili-man on behalf of OpenGov).
- (Breaking Change) New variables `cluster_create_security_group` and `worker_create_security_group` to stop `value of 'count' cannot be computed` error.
- Added ability to choose local-exec interpreter (by @rothandrew)
### Changed
- Added `--with-aggregate-type-defaults` option to terraform-docs (by @max-rocket-internet)
- Updated AMI ID filtering to only filter AMIs from current cluster k8s version (by @max-rocket-internet)
- Added `pre-commit-terraform` git hook to automatically create documentation of inputs/outputs (by @antonbabenko)
- Travis fixes (by @RothAndrew)
- Fixed some Windows compatibility issues (by @RothAndrew)
## [[v1.8.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.7.0...v1.8.0)] - 2018-12-04]
### Added
- Support for using AWS Launch Templates to define autoscaling groups (by @skang0601)
- `suspended_processes` to `worker_groups` input (by @bkmeneguello)
- `target_group_arns` to `worker_groups` input (by @zihaoyu)
- `force_detach_policies` to `aws_iam_role` `cluster` and `workers` (by @marky-mark)
- Added sleep while trying to apply the kubernetes configurations if failed, up to 50 seconds (by @rmakram-ims)
- `cluster_create_security_group` and `worker_create_security_group`. This allows using computed cluster and worker security groups. (by @rmakram-ims)
### Changed
- new variables worker_groups_launch_template and worker_group_count_launch_template (by @skang0601)
- Remove aws_iam_service_linked_role (by @max-rocket-internet)
- Adjust the order and correct/update the ec2 instance type info. (@chenrui333)
- Removed providers from `main.tf`. (by @max-rocket-internet)
- Removed `configure_kubectl_session` references in documentation [#171](https://github.com/terraform-aws-modules/terraform-aws-eks/pull/171) (by @dominik-k)
## [[v1.7.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.6.0...v1.7.0)] - 2018-10-09]
### Added
- Worker groups can be created with a specified IAM profile. (from @laverya)
- exposed `aws_eks_cluster` create and destroy timeouts (by @RGPosadas)
- exposed `placement_tenancy` for autoscaling group (by @monsterxx03)
- Allow port 443 from EKS service to nodes to run `metrics-server`. (by @max-rocket-internet)
### Changed
- fix default worker subnets not working (by @erks)
- fix default worker autoscaling_enabled not working (by @erks)
- Cosmetic syntax changes to improve readability. (by @max-rocket-internet)
- add `protect_from_scale_in` to solve issue #134 (by @kinghajj)
## [[v1.6.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.5.0...v1.6.0)] - 2018-09-04]
### Added
- add support for [`amazon-eks-node-*` AMI with bootstrap script](https://aws.amazon.com/blogs/opensource/improvements-eks-worker-node-provisioning/) (by @erks)
- expose `kubelet_extra_args` worker group option (replacing `kubelet_node_labels`) to allow specifying arbitrary kubelet options (e.g. taints and labels) (by @erks)
- add optional input `worker_additional_security_group_ids` to allow one or more additional security groups to be added to all worker launch configurations - #47 (by @hhobbsh @mr-joshua)
- add optional input `additional_security_group_ids` to allow one or more additional security groups to be added to a specific worker launch configuration - #47 (by @mr-joshua)
### Changed
- allow a custom AMI to be specified as a default (by @erks)
- bugfix for above change (by @max-rocket-internet)
- **Breaking change** Removed support for `eks-worker-*` AMI. The cluster specifying a custom AMI based off of `eks-worker-*` AMI will have to rebuild the AMI from `amazon-eks-node-*`. (by @erks)
- **Breaking change** Removed `kubelet_node_labels` worker group option in favor of `kubelet_extra_args`. (by @erks)
## [[v1.5.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.4.0...v1.5.0)] - 2018-08-30]
### Added
- add spot_price option to aws_launch_configuration
- add enable_monitoring option to aws_launch_configuration
- add t3 instance class settings
- add aws_iam_service_linked_role for elasticloadbalancing. (by @max-rocket-internet)
- Added autoscaling policies into module that are optionally attached when enabled for a worker group. (by @max-rocket-internet)
### Changed
- **Breaking change** Removed `workstation_cidr` variable, http callout and unnecessary security rule. (by @dpiddockcmp)
If you are upgrading from 1.4 you should fix state after upgrade: `terraform state rm module.eks.data.http.workstation_external_ip`
- Can now selectively override keys in `workers_group_defaults` variable rather than callers maintaining a duplicate of the whole map. (by @dpiddockcmp)
## [[v1.4.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.3.0...v1.4.0)] - 2018-08-02]
### Added
- manage eks workers' root volume size and type.
- `workers_asg_names` added to outputs. (kudos to @laverya)
- New top level variable `worker_group_count` added to replace the use of `length(var.worker_groups)`. This allows using computed values as part of worker group configs. (complaints to @laverya)
## [[v1.3.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.2.0...v1.3.0)] - 2018-07-11]
### Added
- New variables `map_accounts`, `map_roles` and `map_users` in order to manage additional entries in the `aws-auth` configmap. (by @max-rocket-internet)
- kubelet_node_labels worker group option allows setting --node-labels= in kubelet. (Hat-tip, @bshelton229 👒)
- `worker_iam_role_arn` added to outputs. Sweet, @hatemosphere 🔥
### Changed
- Worker subnets able to be specified as a dedicated list per autoscaling group. (up top, @bshelton229 🙏)
## [[v1.2.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.1.0...v1.2.0)] - 2018-07-01]
### Added
- new variable `pre_userdata` added to worker launch configuration allows to run scripts before the plugin does anything. (W00t, @jimbeck 🦉)
### Changed
- kubeconfig made much more flexible. (Bang up job, @sdavids13 💥)
- ASG desired capacity is now ignored as ASG size is more effectively handed by k8s. (Thanks, @ozbillwang 💇‍♂️)
- Providing security groups didn't behave as expected. This has been fixed. (Good catch, @jimbeck 🔧)
- workstation cidr to be allowed by created security group is now more flexible. (A welcome addition, @jimbeck 🔐)
## [[v1.1.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.0.0...v1.1.0)] - 2018-06-25]
### Added
- new variable `worker_sg_ingress_from_port` allows to change the minimum port number from which pods will accept communication (Thanks, @ilyasotkov 👏).
- expanded on worker example to show how multiple worker autoscaling groups can be created.
- IPv4 is used explicitly to resolve testing from IPv6 networks (thanks, @tsub 🙏).
- Configurable public IP attachment and ssh keys for worker groups. Defaults defined in `worker_group_defaults`. Nice, @hatemosphere 🌂
- `worker_iam_role_name` now an output. Sweet, @artursmet 🕶️
### Changed
- IAM test role repaired by @lcharkiewicz 💅
- `kube-proxy` restart no longer needed in userdata. Good catch, @hatemosphere 🔥
- worker ASG reattachment wasn't possible when using `name`. Moved to `name_prefix` to allow recreation of resources. Kudos again, @hatemosphere 🐧
## [[v1.0.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v0.2.0...v1.0.0)] - 2018-06-11]
### Added
- security group id can be provided for either/both of the cluster and the workers. If not provided, security groups will be created with sufficient rules to allow cluster-worker communication. - kudos to @tanmng on the idea ⭐
- outputs of security group ids and worker ASG arns added for working with these resources outside the module.
### Changed
- Worker build out refactored to allow multiple autoscaling groups each having differing specs. If none are given, a single ASG is created with a set of sane defaults - big thanks to @kppullin 🥨
## [[v0.2.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v0.1.1...v0.2.0)] - 2018-06-08]
### Added
- ability to specify extra userdata code to execute following kubelet services start.
- EBS optimization used whenever possible for the given instance type.
- When `configure_kubectl_session` is set to true the current shell will be configured to talk to the kubernetes cluster using config files output from the module.
### Changed
- files rendered from dedicated templates to separate out raw code and config from `hcl`
- `workers_ami_id` is now made optional. If not specified, the module will source the latest AWS supported EKS AMI instead.
## [[v0.1.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v0.1.0...v0.1.1)] - 2018-06-07]
### Changed
- Pre-commit hooks fixed and working.
- Made progress on CI, advancing the build to the final `kitchen test` stage before failing.
## [v0.1.0] - 2018-06-07
### Added
- Everything! Initial release of the module.
- added a local variable to do a lookup against for a dynamic value in userdata which was previously static. Kudos to @tanmng for finding and fixing bug #1!
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