From 8c14ff175d174f1abc0b3b3a39d0298c30d2dcc0 Mon Sep 17 00:00:00 2001 From: Nitin Goyal Date: Thu, 19 Sep 2024 06:20:44 +0000 Subject: [PATCH] Dualstack support --- README.md | 1 + docs/terraform.md | 63 ++++++++++++++++++++++++----------------------- main.tf | 1 + variables.tf | 6 +++++ 4 files changed, 40 insertions(+), 31 deletions(-) diff --git a/README.md b/README.md index d411dc0..68d8fe2 100644 --- a/README.md +++ b/README.md @@ -259,6 +259,7 @@ Available targets: | [multi\_az\_enabled](#input\_multi\_az\_enabled) | Multi AZ (Automatic Failover must also be enabled. If Cluster Mode is enabled, Multi AZ is on by default, and this setting is ignored) | `bool` | `false` | 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 | +| [network\_type](#input\_network\_type) | The network type of the cluster. Valid values: ipv4, ipv6, dual\_stack. | `string` | `"ipv4"` | no | | [notification\_topic\_arn](#input\_notification\_topic\_arn) | Notification topic arn | `string` | `""` | no | | [ok\_actions](#input\_ok\_actions) | The list of actions to execute when this alarm transitions into an OK state from any other state. Each action is specified as an Amazon Resource Number (ARN) | `list(string)` | `[]` | no | | [parameter](#input\_parameter) | A list of Redis parameters to apply. Note that parameters may differ from one Redis family to another | 
list(object({
    name  = string
    value = string
  }))
| `[]` | no | diff --git a/docs/terraform.md b/docs/terraform.md index f86ace5..63fbaab 100644 --- a/docs/terraform.md +++ b/docs/terraform.md @@ -35,19 +35,19 @@ | Name | Description | Type | Default | Required | |------|-------------|------|---------|:--------:| -| [additional\_security\_group\_rules](#input\_additional\_security\_group\_rules) | A list of Security Group rule objects to add to the created security group, in addition to the ones
this module normally creates. (To suppress the module's rules, set `create_security_group` to false
and supply your own security group via `associated_security_group_ids`.)
The keys and values of the objects are fully compatible with the `aws_security_group_rule` resource, except
for `security_group_id` which will be ignored, and the optional "key" which, if provided, must be unique and known at "plan" time.
To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule . | `list(any)` | `[]` | no | -| [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 | +| [additional\_security\_group\_rules](#input\_additional\_security\_group\_rules) | A list of Security Group rule objects to add to the created security group, in addition to the ones
this module normally creates. (To suppress the module's rules, set `create_security_group` to false
and supply your own security group via `associated_security_group_ids`.)
The keys and values of the objects are fully compatible with the `aws_security_group_rule` resource, except
for `security_group_id` which will be ignored, and the optional "key" which, if provided, must be unique and known at "plan" time.
To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule . | `list(any)` | `[]` | no | +| [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 | | [alarm\_actions](#input\_alarm\_actions) | Alarm action list | `list(string)` | `[]` | no | | [alarm\_cpu\_threshold\_percent](#input\_alarm\_cpu\_threshold\_percent) | CPU threshold alarm level | `number` | `75` | no | | [alarm\_memory\_threshold\_bytes](#input\_alarm\_memory\_threshold\_bytes) | Ram threshold alarm level | `number` | `10000000` | no | -| [allow\_all\_egress](#input\_allow\_all\_egress) | If `true`, the created security group will allow egress on all ports and protocols to all IP address.
If this is false and no egress rules are otherwise specified, then no egress will be allowed.
Defaults to `true` unless the deprecated `egress_cidr_blocks` is provided and is not `["0.0.0.0/0"]`, in which case defaults to `false`. | `bool` | `null` | no | -| [allowed\_cidr\_blocks](#input\_allowed\_cidr\_blocks) | DEPRECATED: Use `additional_security_group_rules` instead.
Historical description: List of CIDR blocks that are allowed ingress to the cluster's Security Group created in the module | `list(string)` | `[]` | no | +| [allow\_all\_egress](#input\_allow\_all\_egress) | If `true`, the created security group will allow egress on all ports and protocols to all IP address.
If this is false and no egress rules are otherwise specified, then no egress will be allowed.
Defaults to `true` unless the deprecated `egress_cidr_blocks` is provided and is not `["0.0.0.0/0"]`, in which case defaults to `false`. | `bool` | `null` | no | +| [allowed\_cidr\_blocks](#input\_allowed\_cidr\_blocks) | DEPRECATED: Use `additional_security_group_rules` instead.
Historical description: List of CIDR blocks that are allowed ingress to the cluster's Security Group created in the module | `list(string)` | `[]` | no | | [allowed\_security\_group\_ids](#input\_allowed\_security\_group\_ids) | A list of IDs of Security Groups to allow access to the security group created by this module. | `list(string)` | `[]` | no | | [allowed\_security\_groups](#input\_allowed\_security\_groups) | DEPRECATED: Use `allowed_security_group_ids` instead. | `list(string)` | `[]` | no | | [apply\_immediately](#input\_apply\_immediately) | Apply changes immediately | `bool` | `true` | no | -| [associated\_security\_group\_ids](#input\_associated\_security\_group\_ids) | A list of IDs of Security Groups to associate the created resource with, in addition to the created security group.
These security groups will not be modified and, if `create_security_group` is `false`, must provide all the required access. | `list(string)` | `[]` | no | +| [associated\_security\_group\_ids](#input\_associated\_security\_group\_ids) | A list of IDs of Security Groups to associate the created resource with, in addition to the created security group.
These security groups will not be modified and, if `create_security_group` is `false`, must provide all the required access. | `list(string)` | `[]` | no | | [at\_rest\_encryption\_enabled](#input\_at\_rest\_encryption\_enabled) | Enable encryption at rest | `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 | +| [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 | | [auth\_token](#input\_auth\_token) | Auth token for password protecting redis, `transit_encryption_enabled` must be set to `true`. Password must be longer than 16 chars | `string` | `null` | no | | [auth\_token\_update\_strategy](#input\_auth\_token\_update\_strategy) | Strategy to use when updating the auth\_token. Valid values are `SET`, `ROTATE`, and `DELETE`. Defaults to `ROTATE`. | `string` | `"ROTATE"` | no | | [auto\_minor\_version\_upgrade](#input\_auto\_minor\_version\_upgrade) | Specifies whether minor version engine upgrades will be applied automatically to the underlying Cache Cluster instances during the maintenance window. Only supported if the engine version is 6 or higher. | `bool` | `null` | no | @@ -58,50 +58,51 @@ | [cluster\_mode\_num\_node\_groups](#input\_cluster\_mode\_num\_node\_groups) | Number of node groups (shards) for this Redis replication group. Changing this number will trigger an online resizing operation before other settings modifications | `number` | `0` | no | | [cluster\_mode\_replicas\_per\_node\_group](#input\_cluster\_mode\_replicas\_per\_node\_group) | Number of replica nodes in each node group. Valid values are 0 to 5. Changing this number will force a new resource | `number` | `0` | no | | [cluster\_size](#input\_cluster\_size) | Number of nodes in cluster. *Ignored when `cluster_mode_enabled` == `true`* | `number` | `1` | 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 | +| [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 | | [create\_parameter\_group](#input\_create\_parameter\_group) | Whether new parameter group should be created. Set to false if you want to use existing parameter group | `bool` | `true` | no | | [create\_security\_group](#input\_create\_security\_group) | Set `true` to create and configure a new security group. If false, `associated_security_group_ids` must be provided. | `bool` | `true` | no | | [data\_tiering\_enabled](#input\_data\_tiering\_enabled) | Enables data tiering. Data tiering is only supported for replication groups using the r6gd node type. | `bool` | `false` | 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 | +| [delimiter](#input\_delimiter) | Delimiter to be used between ID elements.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no | | [description](#input\_description) | Description of elasticache replication group | `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 | +| [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 | | [dns\_subdomain](#input\_dns\_subdomain) | The subdomain to use for the CNAME record. If not provided then the CNAME record will use var.name. | `string` | `""` | no | -| [egress\_cidr\_blocks](#input\_egress\_cidr\_blocks) | DEPRECATED: Use `allow_all_egress` and `additional_security_group_rules` instead.
Historical description: Outbound traffic address.
Historical default: ["0.0.0.0/0"] | `list(any)` | `null` | no | +| [egress\_cidr\_blocks](#input\_egress\_cidr\_blocks) | DEPRECATED: Use `allow_all_egress` and `additional_security_group_rules` instead.
Historical description: Outbound traffic address.
Historical default: ["0.0.0.0/0"] | `list(any)` | `null` | no | | [elasticache\_subnet\_group\_name](#input\_elasticache\_subnet\_group\_name) | Subnet group name for the ElastiCache instance | `string` | `""` | no | | [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no | | [engine\_version](#input\_engine\_version) | Redis engine version | `string` | `"4.0.10"` | 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 | -| [existing\_security\_groups](#input\_existing\_security\_groups) | DEPRECATED: Use `associated_security_group_ids` instead.
Historical description: List of existing Security Group IDs to place the cluster into.
Set `use_existing_security_groups` to `true` to enable using `existing_security_groups` as Security Groups for the cluster. | `list(string)` | `[]` | no | +| [existing\_security\_groups](#input\_existing\_security\_groups) | DEPRECATED: Use `associated_security_group_ids` instead.
Historical description: List of existing Security Group IDs to place the cluster into.
Set `use_existing_security_groups` to `true` to enable using `existing_security_groups` as Security Groups for the cluster. | `list(string)` | `[]` | no | | [family](#input\_family) | Redis family | `string` | `"redis4.0"` | no | | [final\_snapshot\_identifier](#input\_final\_snapshot\_identifier) | The name of your final node group (shard) snapshot. ElastiCache creates the snapshot from the primary node in the cluster. If omitted, no final snapshot will be made. | `string` | `null` | 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 | -| [inline\_rules\_enabled](#input\_inline\_rules\_enabled) | NOT RECOMMENDED. Create rules "inline" instead of as separate `aws_security_group_rule` resources.
See [#20046](https://github.com/hashicorp/terraform-provider-aws/issues/20046) for one of several issues with inline rules.
See [this post](https://github.com/hashicorp/terraform-provider-aws/pull/9032#issuecomment-639545250) for details on the difference between inline rules and rule resources. | `bool` | `false` | 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 | +| [inline\_rules\_enabled](#input\_inline\_rules\_enabled) | NOT RECOMMENDED. Create rules "inline" instead of as separate `aws_security_group_rule` resources.
See [#20046](https://github.com/hashicorp/terraform-provider-aws/issues/20046) for one of several issues with inline rules.
See [this post](https://github.com/hashicorp/terraform-provider-aws/pull/9032#issuecomment-639545250) for details on the difference between inline rules and rule resources. | `bool` | `false` | no | | [instance\_type](#input\_instance\_type) | Elastic cache instance type | `string` | `"cache.t2.micro"` | no | | [kms\_key\_id](#input\_kms\_key\_id) | The ARN of the key that you wish to use if encrypting at rest. If not supplied, uses service managed encryption. `at_rest_encryption_enabled` must 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 | +| [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 | | [log\_delivery\_configuration](#input\_log\_delivery\_configuration) | The log\_delivery\_configuration block allows the streaming of Redis SLOWLOG or Redis Engine Log to CloudWatch Logs or Kinesis Data Firehose. Max of 2 blocks. | `list(map(any))` | `[]` | no | | [maintenance\_window](#input\_maintenance\_window) | Maintenance window | `string` | `"wed:03:00-wed:04:00"` | no | | [multi\_az\_enabled](#input\_multi\_az\_enabled) | Multi AZ (Automatic Failover must also be enabled. If Cluster Mode is enabled, Multi AZ is on by default, and this setting is ignored) | `bool` | `false` | 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 | +| [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 | +| [network\_type](#input\_network\_type) | The network type of the cluster. Valid values: ipv4, ipv6, dual\_stack. | `string` | `"ipv4"` | no | | [notification\_topic\_arn](#input\_notification\_topic\_arn) | Notification topic arn | `string` | `""` | no | | [ok\_actions](#input\_ok\_actions) | The list of actions to execute when this alarm transitions into an OK state from any other state. Each action is specified as an Amazon Resource Number (ARN) | `list(string)` | `[]` | no | -| [parameter](#input\_parameter) | A list of Redis parameters to apply. Note that parameters may differ from one Redis family to another | 
list(object({
    name  = string
    value = string
  }))
| `[]` | no | +| [parameter](#input\_parameter) | A list of Redis parameters to apply. Note that parameters may differ from one Redis family to another | 
list(object({
    name  = string
    value = string
  }))
| `[]` | no | | [parameter\_group\_description](#input\_parameter\_group\_description) | Managed by Terraform | `string` | `null` | no | | [parameter\_group\_name](#input\_parameter\_group\_name) | Override the default parameter group name | `string` | `null` | no | | [port](#input\_port) | Redis port | `number` | `6379` | no | -| [preserve\_security\_group\_id](#input\_preserve\_security\_group\_id) | When `false` and `create_before_destroy` is `true`, changes to security group rules
cause a new security group to be created with the new rules, and the existing security group is then
replaced with the new one, eliminating any service interruption.
When `true` or when changing the value (from `false` to `true` or from `true` to `false`),
existing security group rules will be deleted before new ones are created, resulting in a service interruption,
but preserving the security group itself.
**NOTE:** Setting this to `true` does not guarantee the security group will never be replaced,
it only keeps changes to the security group rules from triggering a replacement.
See the README for further discussion. | `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 | -| [replication\_group\_id](#input\_replication\_group\_id) | Replication group ID with the following constraints:
A name must contain from 1 to 20 alphanumeric characters or hyphens.
The first character must be a letter.
A name cannot end with a hyphen or contain two consecutive hyphens. | `string` | `""` | no | -| [revoke\_rules\_on\_delete](#input\_revoke\_rules\_on\_delete) | Instruct Terraform to revoke all of the Security Group's attached ingress and egress rules before deleting
the security group itself. This is normally not needed. | `bool` | `false` | no | -| [security\_group\_create\_before\_destroy](#input\_security\_group\_create\_before\_destroy) | Set `true` to enable Terraform `create_before_destroy` behavior on the created security group.
We only recommend setting this `false` if you are upgrading this module and need to keep
the existing security group from being replaced.
Note that changing this value will always cause the security group to be replaced. | `bool` | `true` | no | +| [preserve\_security\_group\_id](#input\_preserve\_security\_group\_id) | When `false` and `create_before_destroy` is `true`, changes to security group rules
cause a new security group to be created with the new rules, and the existing security group is then
replaced with the new one, eliminating any service interruption.
When `true` or when changing the value (from `false` to `true` or from `true` to `false`),
existing security group rules will be deleted before new ones are created, resulting in a service interruption,
but preserving the security group itself.
**NOTE:** Setting this to `true` does not guarantee the security group will never be replaced,
it only keeps changes to the security group rules from triggering a replacement.
See the README for further discussion. | `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 | +| [replication\_group\_id](#input\_replication\_group\_id) | Replication group ID with the following constraints:
A name must contain from 1 to 20 alphanumeric characters or hyphens.
The first character must be a letter.
A name cannot end with a hyphen or contain two consecutive hyphens. | `string` | `""` | no | +| [revoke\_rules\_on\_delete](#input\_revoke\_rules\_on\_delete) | Instruct Terraform to revoke all of the Security Group's attached ingress and egress rules before deleting
the security group itself. This is normally not needed. | `bool` | `false` | no | +| [security\_group\_create\_before\_destroy](#input\_security\_group\_create\_before\_destroy) | Set `true` to enable Terraform `create_before_destroy` behavior on the created security group.
We only recommend setting this `false` if you are upgrading this module and need to keep
the existing security group from being replaced.
Note that changing this value will always cause the security group to be replaced. | `bool` | `true` | no | | [security\_group\_create\_timeout](#input\_security\_group\_create\_timeout) | How long to wait for the security group to be created. | `string` | `"10m"` | no | | [security\_group\_delete\_timeout](#input\_security\_group\_delete\_timeout) | How long to retry on `DependencyViolation` errors during security group deletion. | `string` | `"15m"` | no | -| [security\_group\_description](#input\_security\_group\_description) | The description to assign to the created Security Group.
Warning: Changing the description causes the security group to be replaced.
Set this to `null` to maintain parity with releases <= `0.34.0`. | `string` | `"Security group for Elasticache Redis"` | no | -| [security\_group\_name](#input\_security\_group\_name) | The name to assign to the security group. Must be unique within the VPC.
If not provided, will be derived from the `null-label.context` passed in.
If `create_before_destroy` is true, will be used as a name prefix. | `list(string)` | `[]` | no | +| [security\_group\_description](#input\_security\_group\_description) | The description to assign to the created Security Group.
Warning: Changing the description causes the security group to be replaced.
Set this to `null` to maintain parity with releases <= `0.34.0`. | `string` | `"Security group for Elasticache Redis"` | no | +| [security\_group\_name](#input\_security\_group\_name) | The name to assign to the security group. Must be unique within the VPC.
If not provided, will be derived from the `null-label.context` passed in.
If `create_before_destroy` is true, will be used as a name prefix. | `list(string)` | `[]` | no | | [serverless\_cache\_usage\_limits](#input\_serverless\_cache\_usage\_limits) | The usage limits for the serverless cache | `map(any)` | `{}` | no | | [serverless\_enabled](#input\_serverless\_enabled) | Flag to enable/disable creation of a serverless redis cluster | `bool` | `false` | no | | [serverless\_major\_engine\_version](#input\_serverless\_major\_engine\_version) | The major version of the engine to use for the serverless cluster | `string` | `"7"` | no | @@ -113,15 +114,15 @@ | [snapshot\_window](#input\_snapshot\_window) | The daily time range (in UTC) during which ElastiCache will begin taking a daily snapshot of your cache cluster. | `string` | `"06:30-07:30"` | no | | [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no | | [subnets](#input\_subnets) | Subnet IDs | `list(string)` | `[]` | no | -| [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 | -| [target\_security\_group\_id](#input\_target\_security\_group\_id) | The ID of an existing Security Group to which Security Group rules will be assigned.
The Security Group's name and description will not be changed.
Not compatible with `inline_rules_enabled` or `revoke_rules_on_delete`.
If not provided (the default), this module will create a security group. | `list(string)` | `[]` | no | +| [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 | +| [target\_security\_group\_id](#input\_target\_security\_group\_id) | The ID of an existing Security Group to which Security Group rules will be assigned.
The Security Group's name and description will not be changed.
Not compatible with `inline_rules_enabled` or `revoke_rules_on_delete`.
If not provided (the default), this module will create a security group. | `list(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 | -| [transit\_encryption\_enabled](#input\_transit\_encryption\_enabled) | Set `true` to enable encryption in transit. Forced `true` if `var.auth_token` is set.
If this is enabled, use the [following guide](https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/in-transit-encryption.html#connect-tls) to access redis. | `bool` | `true` | no | +| [transit\_encryption\_enabled](#input\_transit\_encryption\_enabled) | Set `true` to enable encryption in transit. Forced `true` if `var.auth_token` is set.
If this is enabled, use the [following guide](https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/in-transit-encryption.html#connect-tls) to access redis. | `bool` | `true` | no | | [transit\_encryption\_mode](#input\_transit\_encryption\_mode) | A setting that enables clients to migrate to in-transit encryption with no downtime. Valid values are `preferred` and `required`. When enabling encryption on an existing replication group, this must first be set to `preferred` before setting it to `required` in a subsequent apply. See the TransitEncryptionMode field in the [CreateReplicationGroup](https://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/API_CreateReplicationGroup.html) API documentation for additional details." | `string` | `null` | no | -| [use\_existing\_security\_groups](#input\_use\_existing\_security\_groups) | DEPRECATED: Use `create_security_group` instead.
Historical description: Flag to enable/disable creation of Security Group in the module.
Set to `true` to disable Security Group creation and provide a list of existing security Group IDs in `existing_security_groups` to place the cluster into.
Historical default: `false` | `bool` | `null` | no | +| [use\_existing\_security\_groups](#input\_use\_existing\_security\_groups) | DEPRECATED: Use `create_security_group` instead.
Historical description: Flag to enable/disable creation of Security Group in the module.
Set to `true` to disable Security Group creation and provide a list of existing security Group IDs in `existing_security_groups` to place the cluster into.
Historical default: `false` | `bool` | `null` | no | | [user\_group\_ids](#input\_user\_group\_ids) | User Group ID to associate with the replication group | `list(string)` | `null` | no | | [vpc\_id](#input\_vpc\_id) | VPC ID | `string` | n/a | yes | -| [zone\_id](#input\_zone\_id) | Route53 DNS Zone ID as list of string (0 or 1 items). If empty, no custom DNS name will be published.
If the list contains a single Zone ID, a custom DNS name will be pulished in that zone.
Can also be a plain string, but that use is DEPRECATED because of Terraform issues. | `any` | `[]` | no | +| [zone\_id](#input\_zone\_id) | Route53 DNS Zone ID as list of string (0 or 1 items). If empty, no custom DNS name will be published.
If the list contains a single Zone ID, a custom DNS name will be pulished in that zone.
Can also be a plain string, but that use is DEPRECATED because of Terraform issues. | `any` | `[]` | no | ## Outputs diff --git a/main.tf b/main.tf index 23c15c9..418b076 100644 --- a/main.tf +++ b/main.tf @@ -169,6 +169,7 @@ resource "aws_elasticache_replication_group" "default" { automatic_failover_enabled = var.cluster_mode_enabled ? true : var.automatic_failover_enabled multi_az_enabled = var.multi_az_enabled subnet_group_name = local.elasticache_subnet_group_name + network_type = var.network_type # It would be nice to remove null or duplicate security group IDs, if there are any, using `compact`, # but that causes problems, and having duplicates does not seem to cause problems. # See https://github.com/hashicorp/terraform/issues/29799 diff --git a/variables.tf b/variables.tf index b8f2b96..3414dff 100644 --- a/variables.tf +++ b/variables.tf @@ -15,6 +15,12 @@ variable "elasticache_subnet_group_name" { default = "" } +variable "network_type" { + type = string + default = "ipv4" + description = "The network type of the cluster. Valid values: ipv4, ipv6, dual_stack." +} + variable "maintenance_window" { type = string default = "wed:03:00-wed:04:00"