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README Header

Cloud Posse

terraform-aws-kops-state-backend Build Status Latest Release Slack Community

Terraform module to provision dependencies for kops (config S3 bucket & DNS zone).

The module supports the following:

  1. Forced server-side encryption at rest for the S3 bucket
  2. S3 bucket versioning to allow for kops state recovery in the case of accidental deletions or human errors
  3. Block public access in bucket level by default

This project is part of our comprehensive "SweetOps" approach towards DevOps.

Terraform Open Source Modules

It's 100% Open Source and licensed under the APACHE2.

We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!

Screenshots

kops-state-backend Example of outputs from the module after running terraform apply

Usage

IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases. Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.

This example will create a DNS zone called us-east-1.cloudxl.net and delegate it from the parent zone cloudxl.net by setting NS and SOA records in the parent zone.

It will also create an S3 bucket with the name cp-prod-kops-state for storing kops state.

module "kops" {
  source           = "git::https://github.com/cloudposse/terraform-aws-kops-state-backend.git?ref=master"
  namespace        = "eg"
  stage            = "prod"
  name             = "kops-state"
  cluster_name     = "us-east-1"
  parent_zone_name = "domain.com"
  zone_name        = "$${name}.$${parent_zone_name}"
  region           = "us-east-1"
}

To verify that the created kops DNS zone has been tagged correctly, run

aws route53 list-tags-for-resources --resource-type hostedzone --resource-ids Z27EGVGENRTTZZ
{
{
    "ResourceTagSets": [
        {
            "ResourceType": "hostedzone",
            "ResourceId": "Z27EGVGENRTTZZ",
            "Tags": [
                {
                    "Key": "Cluster",
                    "Value": "us-east-1.domain.com"
                },
                {
                    "Key": "Stage",
                    "Value": "prod"
                },
                {
                    "Key": "Namespace",
                    "Value": "cp"
                },
                {
                    "Key": "Name",
                    "Value": "eg-prod-us-east-1"
                }
            ]
        }
    ]
}

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Inputs

Name Description Type Default Required
acl The canned ACL to apply to the S3 bucket string private no
attributes Additional attributes (e.g. 1) list <list> no
block_public_access_enabled Block all public access from bucket level string true no
cluster_name Kops cluster name (e.g. us-east-1 or cluster-1) string us-east-1 no
create_bucket Set to false to use existing S3 bucket for kops state store instead of creating one. string true no
delimiter Delimiter to be used between namespace, stage, name, and attributes string - no
domain_enabled A boolean that determines whether a DNS Zone for the kops domain is created string true no
force_destroy A boolean that indicates all objects should be deleted from the bucket so that the bucket can be destroyed without errors. These objects are not recoverable string false no
name Name (e.g. kops-state) string kops-state no
namespace Namespace (e.g. eg or cp) string - yes
parent_zone_id Parent DNS zone ID string `` no
parent_zone_name Parent DNS zone name (e.g. domain.com) string `` no
region AWS Region the S3 bucket should reside in string us-east-1 no
stage Stage (e.g. prod, dev, staging) string - yes
tags Additional tags (e.g. map(BusinessUnit,XYZ) map <map> no
zone_name Template for the DNS zone name string $${name}.$${parent_zone_name} no

Outputs

Name Description
bucket_arn S3 bucket ARN
bucket_domain_name S3 bucket domain name
bucket_id S3 bucket ID
bucket_name S3 bucket name
bucket_region S3 bucket region
parent_zone_id Parent zone ID
parent_zone_name Parent zone name
zone_id kops cluster zone ID
zone_name kops cluster zone name

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Related Projects

Check out these related projects.

  • terraform-aws-kops-metadata - Terraform module to lookup resources within a Kops cluster for easier integration with Terraform
  • terraform-aws-kops-ecr - Terraform module to provision an ECR repository and grant users and kubernetes nodes access to it.
  • terraform-aws-kops-external-dns - Terraform module to provision an IAM role for external-dns running in a Kops cluster, and attach an IAM policy to the role with permissions to modify Route53 record sets
  • terraform-aws-kops-vpc-peering - Terraform module to create a peering connection between a backing services VPC and a VPC created by Kops
  • terraform-aws-kops-route53 - Terraform module to lookup the IAM role associated with kops masters, and attach an IAM policy to the role with permissions to modify Route53 record sets
  • terraform-aws-kops-vault-backend - Terraform module to provision an S3 bucket for HashiCorp Vault secrets storage, and an IAM role and policy with permissions for Kops nodes to access the bucket
  • terraform-aws-kops-chart-repo - Terraform module to provision an S3 bucket for Helm chart repository, and an IAM role and policy with permissions for Kops nodes to access the bucket

Help

Got a question?

File a GitHub issue, send us an email or join our Slack Community.

README Commercial Support

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E-Mail

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Contributing

Bug Reports & Feature Requests

Please use the issue tracker to report any bugs or file feature requests.

Developing

If you are interested in being a contributor and want to get involved in developing this project or help out with our other projects, we would love to hear from you! Shoot us an email.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

  1. Fork the repo on GitHub
  2. Clone the project to your own machine
  3. Commit changes to your own branch
  4. Push your work back up to your fork
  5. Submit a Pull Request so that we can review your changes

NOTE: Be sure to merge the latest changes from "upstream" before making a pull request!

Copyright

Copyright © 2017-2019 Cloud Posse, LLC

License

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.

About

This project is maintained and funded by Cloud Posse, LLC. Like it? Please let us know by leaving a testimonial!

Cloud Posse

We're a DevOps Professional Services company based in Los Angeles, CA. We ❤️ Open Source Software.

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Contributors

Erik Osterman
Erik Osterman
Andriy Knysh
Andriy Knysh

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