fleet/terraform/.header.md
Robert Fairburn 1d0aa1f318
terraform module: some fixes for byo-vpc and below (#13553)
# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [ ] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [ ] Documented any API changes (docs/Using-Fleet/REST-API.md or
docs/Contributing/API-for-contributors.md)
- [ ] Documented any permissions changes (docs/Using
Fleet/manage-access.md)
- [ ] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements)
- [ ] Added support on fleet's osquery simulator `cmd/osquery-perf` for
new osquery data ingestion features.
- [ ] Added/updated tests
- [ ] Manual QA for all new/changed functionality
  - For Orbit and Fleet Desktop changes:
- [ ] Manual QA must be performed in the three main OSs, macOS, Windows
and Linux.
- [ ] Auto-update manual QA, from released version of component to new
version (see [tools/tuf/test](../tools/tuf/test/README.md)).
2023-09-01 16:06:45 -05:00

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Markdown

This module provides a basic Fleet setup. This assumes that you bring nothing to the installation.
If you want to bring your own VPC/database/cache nodes/ECS cluster, then use one of the submodules provided.
To quickly list all available module versions you can run:
```shell
git tag |grep '^tf'
```
The following is the module layout, so you can navigate to the module that you want:
* Root module (use this to get a Fleet instance ASAP with minimal setup)
* BYO-VPC (use this if you want to install Fleet inside an existing VPC)
* BYO-database (use this if you want to use an existing database and cache node)
* BYO-ECS (use this if you want to bring your own everything but Fleet ECS services)
# Migrating from existing Dogfood code
The below code describes how to migrate from existing Dogfood code
```hcl
moved {
from = module.vpc
to = module.main.module.vpc
}
moved {
from = module.aurora_mysql
to = module.main.module.byo-vpc.module.rds
}
moved {
from = aws_elasticache_replication_group.default
to = module.main.module.byo-vpc.module.redis.aws_elasticache_replication_group.default
}
```
This focuses on the resources that are "heavy" or store data. Note that the ALB cannot be moved like this because Dogfood uses the `aws_alb` resource and the module uses the `aws_lb` resource. The resources are aliases of eachother, but Terraform can't recognize that.
# How to improve this module
If this module somehow doesn't fit your needs, feel free to contact us by
opening a ticket, or contacting your contact at Fleet. Our goal is to make this module
fit all needs within AWS, so we will try to find a solution so that this module fits your needs.
If you want to make the changes yourself, simply make a PR into main with your additions.
We would ask that you make sure that variables are defined as null if there is
no default that makes sense and that variable changes are reflected all the way up the stack.
# How to update this readme
Edit .header.md and run `terraform-docs markdown . > README.md`