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https://github.com/cloudposse/terraform-aws-redshift-cluster
Terraform module to provision an AWS Redshift Cluster
https://github.com/cloudposse/terraform-aws-redshift-cluster
Last synced: about 2 months ago
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Terraform module to provision an AWS Redshift Cluster
- Host: GitHub
- URL: https://github.com/cloudposse/terraform-aws-redshift-cluster
- Owner: cloudposse
- License: apache-2.0
- Created: 2021-04-08T12:50:15.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2024-07-24T03:04:24.000Z (about 2 months ago)
- Last Synced: 2024-07-27T10:32:51.206Z (about 2 months ago)
- Language: HCL
- Homepage: https://cloudposse.com/accelerate
- Size: 2.06 MB
- Stars: 12
- Watchers: 15
- Forks: 15
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Codeowners: .github/CODEOWNERS
Awesome Lists containing this project
README
This is `terraform-example-module` project provides all the scaffolding for a typical well-built Cloud Posse module. It's a template repository you can
use when creating new repositories.
> [!TIP]
> #### 👽 Use Atmos with Terraform
> Cloud Posse uses [`atmos`](https://atmos.tools) to easily orchestrate multiple environments using Terraform.
> Works with [Github Actions](https://atmos.tools/integrations/github-actions/), [Atlantis](https://atmos.tools/integrations/atlantis), or [Spacelift](https://atmos.tools/integrations/spacelift).
>
>
> Watch demo of using Atmos with Terraform
> 
> Example of running atmos to manage infrastructure from our Quick Start tutorial.
>
## Usage
For a complete example, see [examples/complete](examples/complete).
For automated tests of the complete example using [bats](https://github.com/bats-core/bats-core) and [Terratest](https://github.com/gruntwork-io/terratest)
(which tests and deploys the example on AWS), see [test](test).
```hcl
module "vpc" {
source = "cloudposse/vpc/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
ipv4_primary_cidr_block = "172.19.0.0/16"
context = module.this.context
}
module "subnet" {
source = "cloudposse/dynamic-subnets/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
availability_zones = var.availability_zones
vpc_id = module.vpc.vpc_id
igw_id = [module.vpc.igw_id]
ipv4_cidr_block = module.vpc.vpc_cidr_block
nat_gateway_enabled = false
nat_instance_enabled = false
context = module.this.context
}
module "security_group" {
source = "cloudposse/security-group/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
vpc_id = module.vpc.vpc_id
rules = [
{
type = "ingress"
from_port = var.port
to_port = var.port
protocol = "all"
cidr_blocks = ["0.0.0.0/0"]
},
{
type = "egress"
from_port = 0
to_port = 0
protocol = "all"
cidr_blocks = ["0.0.0.0/0"]
}
]
context = module.this.context
}
module "redshift_cluster" {
source = "cloudposse/redshift-cluster/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
subnet_ids = module.subnet.private_subnet_ids
vpc_security_groups = [module.vpc.vpc_default_security_group_id, module.security_group.id]
admin_user = var.admin_user
admin_password = var.admin_password
database_name = var.database_name
node_type = var.node_type
cluster_type = var.cluster_type
engine_version = var.engine_version
publicly_accessible = var.publicly_accessible
allow_version_upgrade = var.allow_version_upgrade
context = module.this.context
}
```
> [!IMPORTANT]
> In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation
> and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version
> you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic
> approach for updating versions to avoid unexpected changes.
## Examples
Here is an example of using this module:
- [`examples/complete`](https://github.com/cloudposse/terraform-aws-redshift-cluster/) - complete example of using this module
## Makefile Targets
```text
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
```
## Requirements
| Name | Version |
|------|---------|
| [terraform](#requirement\_terraform) | >= 0.14 |
| [aws](#requirement\_aws) | >= 5.0 |
## Providers
| Name | Version |
|------|---------|
| [aws](#provider\_aws) | >= 5.0 |
## Modules
| Name | Source | Version |
|------|--------|---------|
| [this](#module\_this) | cloudposse/label/null | 0.25.0 |
## Resources
| Name | Type |
|------|------|
| [aws_redshift_cluster.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/redshift_cluster) | resource |
| [aws_redshift_parameter_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/redshift_parameter_group) | resource |
| [aws_redshift_subnet_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/redshift_subnet_group) | resource |
## Inputs
| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| [additional\_tag\_map](#input\_additional\_tag\_map) | Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration. | `map(string)` | `{}` | no |
| [admin\_password](#input\_admin\_password) | Password for the master DB user. Required unless a snapshot\_identifier is provided | `string` | `""` | no |
| [admin\_user](#input\_admin\_user) | Username for the master DB user. Required unless a snapshot\_identifier is provided | `string` | `"admin"` | no |
| [allow\_version\_upgrade](#input\_allow\_version\_upgrade) | Whether or not to enable major version upgrades which are applied during the maintenance window to the Amazon Redshift engine that is running on the cluster | `bool` | `false` | no |
| [attributes](#input\_attributes) | ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the `delimiter`
and treated as a single ID element. | `list(string)` | `[]` | no |
| [automated\_snapshot\_retention\_period](#input\_automated\_snapshot\_retention\_period) | The number of days that automated snapshots are retained. If the value is 0, automated snapshots are disabled | `number` | `1` | no |
| [availability\_zone](#input\_availability\_zone) | Optional parameter to place Amazon Redshift cluster instances in a specific availability zone. If left empty, will place randomly | `string` | `null` | no |
| [availability\_zone\_relocation\_enabled](#input\_availability\_zone\_relocation\_enabled) | Whether or not the cluster can be relocated to another availability zone, either automatically by AWS or when requested. Available for use on clusters from the RA3 instance family | `bool` | `false` | no |
| [cluster\_identifier](#input\_cluster\_identifier) | The Redshift Cluster Identifier. Must be a lower case string. Will use generated label ID if not supplied | `string` | `""` | no |
| [cluster\_parameters](#input\_cluster\_parameters) | List of Redshift parameters to apply |
list(object({
name = string
value = string
})) | `[]` | no |
| [cluster\_type](#input\_cluster\_type) | The cluster type to use. Either `single-node` or `multi-node` | `string` | `"single-node"` | no |
| [context](#input\_context) | Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as `null` to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional\_tag\_map, which are merged. | `any` | {
"additional_tag_map": {},
"attributes": [],
"delimiter": null,
"descriptor_formats": {},
"enabled": true,
"environment": null,
"id_length_limit": null,
"label_key_case": null,
"label_order": [],
"label_value_case": null,
"labels_as_tags": [
"unset"
],
"name": null,
"namespace": null,
"regex_replace_chars": null,
"stage": null,
"tags": {},
"tenant": null
} | no |
| [database\_name](#input\_database\_name) | The name of the first database to be created when the cluster is created | `string` | `"dev"` | no |
| [delimiter](#input\_delimiter) | Delimiter to be used between ID elements.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |
| [descriptor\_formats](#input\_descriptor\_formats) | Describe additional descriptors to be output in the `descriptors` output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
`{
format = string
labels = list(string)
}`
(Type is `any` so the map values can later be enhanced to provide additional options.)
`format` is a Terraform format string to be passed to the `format()` function.
`labels` is a list of labels, in order, to pass to `format()` function.
Label values will be normalized before being passed to `format()` so they will be
identical to how they appear in `id`.
Default is `{}` (`descriptors` output will be empty). | `any` | `{}` | no |
| [elastic\_ip](#input\_elastic\_ip) | The Elastic IP (EIP) address for the cluster | `string` | `null` | no |
| [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
| [encrypted](#input\_encrypted) | Specifies whether the cluster is encrypted at rest | `bool` | `false` | no |
| [engine\_version](#input\_engine\_version) | The version of the Amazon Redshift engine to use. See https://docs.aws.amazon.com/redshift/latest/mgmt/cluster-versions.html | `string` | `"1.0"` | no |
| [enhanced\_vpc\_routing](#input\_enhanced\_vpc\_routing) | If true , enhanced VPC routing is enabled | `bool` | `false` | no |
| [environment](#input\_environment) | ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
| [final\_snapshot\_identifier](#input\_final\_snapshot\_identifier) | The identifier of the final snapshot that is to be created immediately before deleting the cluster. If this parameter is provided, `skip_final_snapshot` must be `false` | `string` | `null` | no |
| [iam\_roles](#input\_iam\_roles) | A list of IAM Role ARNs to associate with the cluster. A maximum of 10 can be associated to the cluster at any time | `list(string)` | `[]` | no |
| [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).
Set to `0` for unlimited length.
Set to `null` for keep the existing setting, which defaults to `0`.
Does not affect `id_full`. | `number` | `null` | no |
| [kms\_key\_arn](#input\_kms\_key\_arn) | The ARN for the KMS encryption key. When specifying `kms_key_arn`, `encrypted` needs to be set to `true` | `string` | `null` | no |
| [label\_key\_case](#input\_label\_key\_case) | Controls the letter case of the `tags` keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the `tags` input.
Possible values: `lower`, `title`, `upper`.
Default value: `title`. | `string` | `null` | no |
| [label\_order](#input\_label\_order) | The order in which the labels (ID elements) appear in the `id`.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present. | `list(string)` | `null` | no |
| [label\_value\_case](#input\_label\_value\_case) | Controls the letter case of ID elements (labels) as included in `id`,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the `tags` input.
Possible values: `lower`, `title`, `upper` and `none` (no transformation).
Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs.
Default value: `lower`. | `string` | `null` | no |
| [labels\_as\_tags](#input\_labels\_as\_tags) | Set of labels (ID elements) to include as tags in the `tags` output.
Default is to include all labels.
Tags with empty values will not be included in the `tags` output.
Set to `[]` to suppress all generated tags.
**Notes:**
The value of the `name` tag, if included, will be the `id`, not the `name`.
Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be
changed in later chained modules. Attempts to change it will be silently ignored. | `set(string)` | [
"default"
]
| no |
| [logging\_bucket\_name](#input\_logging\_bucket\_name) | The name of an existing S3 bucket where the log files are to be stored. Must be in the same region as the cluster and the cluster must have read bucket and put object permissions | `string` | `null` | no |
| [logging\_enabled](#input\_logging\_enabled) | If true, enables logging information such as queries and connection attempts, for the specified Amazon Redshift cluster | `bool` | `false` | no |
| [logging\_s3\_key\_prefix](#input\_logging\_s3\_key\_prefix) | The prefix applied to the log file names | `string` | `null` | no |
| [name](#input\_name) | ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a `tag`.
The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input. | `string` | `null` | no |
| [namespace](#input\_namespace) | ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique | `string` | `null` | no |
| [node\_type](#input\_node\_type) | The node type to be provisioned for the cluster. See https://docs.aws.amazon.com/redshift/latest/mgmt/working-with-clusters.html#working-with-clusters-overview | `string` | `"dc2.large"` | no |
| [number\_of\_nodes](#input\_number\_of\_nodes) | The number of compute nodes in the cluster. This parameter is required when the ClusterType parameter is specified as multi-node | `number` | `1` | no |
| [owner\_account](#input\_owner\_account) | The AWS customer account used to create or copy the snapshot. Required if you are restoring a snapshot you do not own, optional if you own the snapshot | `string` | `null` | no |
| [port](#input\_port) | The port number on which the cluster accepts incoming connections | `number` | `5439` | no |
| [preferred\_maintenance\_window](#input\_preferred\_maintenance\_window) | Weekly time range during which system maintenance can occur, in UTC. Format: ddd:hh24:mi-ddd:hh24:mi | `string` | `null` | no |
| [publicly\_accessible](#input\_publicly\_accessible) | If true, the cluster can be accessed from a public network | `bool` | `false` | no |
| [regex\_replace\_chars](#input\_regex\_replace\_chars) | Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |
| [skip\_final\_snapshot](#input\_skip\_final\_snapshot) | Determines whether a final snapshot of the cluster is created before Amazon Redshift deletes the cluster | `bool` | `true` | no |
| [snapshot\_cluster\_identifier](#input\_snapshot\_cluster\_identifier) | The name of the cluster the source snapshot was created from | `string` | `null` | no |
| [snapshot\_identifier](#input\_snapshot\_identifier) | The name of the snapshot from which to create the new cluster | `string` | `null` | no |
| [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
| [subnet\_ids](#input\_subnet\_ids) | List of VPC subnet IDs | `list(string)` | n/a | yes |
| [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).
Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
| [tenant](#input\_tenant) | ID element \_(Rarely used, not included by default)\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |
| [vpc\_security\_group\_ids](#input\_vpc\_security\_group\_ids) | A list of Virtual Private Cloud (VPC) security groups to be associated with the cluster. Used for EC2-VPC platform | `list(string)` | `[]` | no |
## Outputs
| Name | Description |
|------|-------------|
| [arn](#output\_arn) | Amazon Resource Name (ARN) of cluster |
| [cluster\_identifier](#output\_cluster\_identifier) | The Cluster Identifier |
| [cluster\_parameter\_group\_name](#output\_cluster\_parameter\_group\_name) | The name of the parameter group to be associated with this cluster |
| [cluster\_revision\_number](#output\_cluster\_revision\_number) | The specific revision number of the database in the cluster |
| [cluster\_subnet\_group\_name](#output\_cluster\_subnet\_group\_name) | The name of a cluster subnet group to be associated with this cluster |
| [cluster\_type](#output\_cluster\_type) | The cluster type |
| [database\_name](#output\_database\_name) | The name of the default database in the Cluster |
| [dns\_name](#output\_dns\_name) | The DNS name of the cluster |
| [endpoint](#output\_endpoint) | The connection endpoint |
| [id](#output\_id) | The Redshift Cluster ID |
| [node\_type](#output\_node\_type) | The type of nodes in the cluster |
| [port](#output\_port) | The Port the cluster responds on |
| [redshift\_parameter\_group\_arn](#output\_redshift\_parameter\_group\_arn) | Amazon Resource Name (ARN) of the Redshift parameter group |
| [redshift\_parameter\_group\_id](#output\_redshift\_parameter\_group\_id) | The Redshift parameter group ID |
| [redshift\_subnet\_group\_arn](#output\_redshift\_subnet\_group\_arn) | Amazon Resource Name (ARN) of the Redshift Subnet group name |
| [redshift\_subnet\_group\_id](#output\_redshift\_subnet\_group\_id) | The Redshift Subnet group ID |
| [vpc\_security\_group\_ids](#output\_vpc\_security\_group\_ids) | The VPC security group IDs associated with the cluster |
## Related Projects
Check out these related projects.
- [terraform-null-label](https://github.com/cloudposse/terraform-null-label) - Terraform module designed to generate consistent names and tags for resources. Use terraform-null-label to implement a strict naming convention.
## References
For additional context, refer to some of these links.
- [Terraform Standard Module Structure](https://www.terraform.io/docs/modules/index.html#standard-module-structure) - HashiCorp's standard module structure is a file and directory layout we recommend for reusable modules distributed in separate repositories.
- [Terraform Module Requirements](https://www.terraform.io/docs/registry/modules/publish.html#requirements) - HashiCorp's guidance on all the requirements for publishing a module. Meeting the requirements for publishing a module is extremely easy.
- [Terraform `random_integer` Resource](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/integer) - The resource random_integer generates random values from a given range, described by the min and max attributes of a given resource.
- [Terraform Version Pinning](https://www.terraform.io/docs/configuration/terraform.html#specifying-a-required-terraform-version) - The required_version setting can be used to constrain which versions of the Terraform CLI can be used with your configuration
> [!TIP]
> #### Use Terraform Reference Architectures for AWS
>
> Use Cloud Posse's ready-to-go [terraform architecture blueprints](https://cloudposse.com/reference-architecture/) for AWS to get up and running quickly.
>
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> - **Training.** Equip your team with the knowledge and skills to confidently manage the infrastructure, ensuring long-term success and self-sufficiency.
> - **Support.** Benefit from a seamless communication over Slack with our experts, ensuring you have the support you need, whenever you need it.
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## ✨ Contributing
This project is under active development, and we encourage contributions from our community.
Many thanks to our outstanding contributors:
For 🐛 bug reports & feature requests, please use the [issue tracker](https://github.com/cloudposse/terraform-aws-redshift-cluster/issues).
In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.
1. Review our [Code of Conduct](https://github.com/cloudposse/terraform-aws-redshift-cluster/?tab=coc-ov-file#code-of-conduct) and [Contributor Guidelines](https://github.com/cloudposse/.github/blob/main/CONTRIBUTING.md).
2. **Fork** the repo on GitHub
3. **Clone** the project to your own machine
4. **Commit** changes to your own branch
5. **Push** your work back up to your fork
6. 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!
### 🌎 Slack Community
Join our [Open Source Community](https://cpco.io/slack?utm_source=github&utm_medium=readme&utm_campaign=cloudposse/terraform-aws-redshift-cluster&utm_content=slack) on Slack. It's **FREE** for everyone! Our "SweetOps" community is where you get to talk with others who share a similar vision for how to rollout and manage infrastructure. This is the best place to talk shop, ask questions, solicit feedback, and work together as a community to build totally *sweet* infrastructure.
### 📰 Newsletter
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## License
Preamble to the Apache License, Version 2.0
Complete license is available in the [`LICENSE`](LICENSE) file.
```text
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.
## Copyrights
Copyright © 2020-2024 [Cloud Posse, LLC](https://cloudposse.com)
