Update context.tf

README.md

@@ -140,7 +140,7 @@ module "ecs_service_alarms" {
 | alarm\_description | The string to format and use as the alarm description. | `string` | `"Average service %v utilization %v last %d minute(s) over %v period(s)"` | no |
 | attributes | Additional attributes (e.g. `1`) | `list(string)` | `[]` | no |
 | cluster\_name | The name of the ECS cluster to monitor | `string` | n/a | yes |
-| context | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | <pre>object({<br>    enabled             = bool<br>    namespace           = string<br>    environment         = string<br>    stage               = string<br>    name                = string<br>    delimiter           = string<br>    attributes          = list(string)<br>    tags                = map(string)<br>    additional_tag_map  = map(string)<br>    regex_replace_chars = string<br>    label_order         = list(string)<br>    id_length_limit     = number<br>    label_key_case      = string<br>    label_value_case    = string<br>  })</pre> | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
+| context | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | `any` | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
 | cpu\_utilization\_high\_alarm\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High Alarm action | `list(string)` | `[]` | no |
 | cpu\_utilization\_high\_evaluation\_periods | Number of periods to evaluate for the alarm | `number` | `1` | no |
 | cpu\_utilization\_high\_ok\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High OK action | `list(string)` | `[]` | no |
@@ -154,10 +154,10 @@ module "ecs_service_alarms" {
 | delimiter | Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |
 | enabled | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
 | environment | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
-| id\_length\_limit | Limit `id` to this many characters.<br>Set to `0` for unlimited length.<br>Set to `null` for default, which is `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
-| label\_key\_case | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`. <br>Default value: `title`. | `string` | `null` | no |
+| id\_length\_limit | Limit `id` to this many characters (minimum 6).<br>Set to `0` for unlimited length.<br>Set to `null` for default, which is `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
+| label\_key\_case | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`. | `string` | `null` | no |
 | label\_order | The naming order of the id output and Name tag.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 5 elements, but at least one must be present. | `list(string)` | `null` | no |
-| label\_value\_case | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation). <br>Default value: `lower`. | `string` | `null` | no |
+| label\_value\_case | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Default value: `lower`. | `string` | `null` | no |
 | memory\_utilization\_high\_alarm\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High Alarm action | `list(string)` | `[]` | no |
 | memory\_utilization\_high\_evaluation\_periods | Number of periods to evaluate for the alarm | `number` | `1` | no |
 | memory\_utilization\_high\_ok\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High OK action | `list(string)` | `[]` | no |

context.tf

@@ -20,7 +20,7 @@
 
 module "this" {
   source  = "cloudposse/label/null"
-  version = "0.23.0" // requires Terraform >= 0.13.0
+  version = "0.24.1" # requires Terraform >= 0.13.0
 
   enabled             = var.enabled
   namespace           = var.namespace
@@ -34,29 +34,16 @@ module "this" {
   label_order         = var.label_order
   regex_replace_chars = var.regex_replace_chars
   id_length_limit     = var.id_length_limit
+  label_key_case      = var.label_key_case
+  label_value_case    = var.label_value_case
 
   context = var.context
 }
 
 # Copy contents of cloudposse/terraform-null-label/variables.tf here
 
 variable "context" {
-  type = object({
-    enabled             = bool
-    namespace           = string
-    environment         = string
-    stage               = string
-    name                = string
-    delimiter           = string
-    attributes          = list(string)
-    tags                = map(string)
-    additional_tag_map  = map(string)
-    regex_replace_chars = string
-    label_order         = list(string)
-    id_length_limit     = number
-    label_key_case      = string
-    label_value_case    = string
-  })
+  type = any
   default = {
     enabled             = true
     namespace           = null
@@ -82,12 +69,12 @@ variable "context" {
   EOT
 
   validation {
-    condition     = var.context["label_key_case"] == null ? true : contains(["lower", "title", "upper"], var.context["label_key_case"])
+    condition     = lookup(var.context, "label_key_case", null) == null ? true : contains(["lower", "title", "upper"], var.context["label_key_case"])
     error_message = "Allowed values: `lower`, `title`, `upper`."
   }
 
   validation {
-    condition     = var.context["label_value_case"] == null ? true : contains(["lower", "title", "upper", "none"], var.context["label_value_case"])
+    condition     = lookup(var.context, "label_value_case", null) == null ? true : contains(["lower", "title", "upper", "none"], var.context["label_value_case"])
     error_message = "Allowed values: `lower`, `title`, `upper`, `none`."
   }
 }
@@ -172,19 +159,23 @@ variable "id_length_limit" {
   type        = number
   default     = null
   description = <<-EOT
-    Limit `id` to this many characters.
+    Limit `id` to this many characters (minimum 6).
     Set to `0` for unlimited length.
     Set to `null` for default, which is `0`.
     Does not affect `id_full`.
   EOT
+  validation {
+    condition     = var.id_length_limit == null ? true : var.id_length_limit >= 6 || var.id_length_limit == 0
+    error_message = "The id_length_limit must be >= 6 if supplied (not null), or 0 for unlimited length."
+  }
 }
 
 variable "label_key_case" {
   type        = string
   default     = null
   description = <<-EOT
     The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.
-    Possible values: `lower`, `title`, `upper`. 
+    Possible values: `lower`, `title`, `upper`.
     Default value: `title`.
   EOT
 
@@ -199,7 +190,7 @@ variable "label_value_case" {
   default     = null
   description = <<-EOT
     The letter case of output label values (also used in `tags` and `id`).
-    Possible values: `lower`, `title`, `upper` and `none` (no transformation). 
+    Possible values: `lower`, `title`, `upper` and `none` (no transformation).
     Default value: `lower`.
   EOT
 

docs/terraform.md

@@ -20,7 +20,7 @@
 | alarm\_description | The string to format and use as the alarm description. | `string` | `"Average service %v utilization %v last %d minute(s) over %v period(s)"` | no |
 | attributes | Additional attributes (e.g. `1`) | `list(string)` | `[]` | no |
 | cluster\_name | The name of the ECS cluster to monitor | `string` | n/a | yes |
-| context | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | <pre>object({<br>    enabled             = bool<br>    namespace           = string<br>    environment         = string<br>    stage               = string<br>    name                = string<br>    delimiter           = string<br>    attributes          = list(string)<br>    tags                = map(string)<br>    additional_tag_map  = map(string)<br>    regex_replace_chars = string<br>    label_order         = list(string)<br>    id_length_limit     = number<br>    label_key_case      = string<br>    label_value_case    = string<br>  })</pre> | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
+| context | Single object for setting entire context at once.<br>See description of individual variables for details.<br>Leave string and numeric variables as `null` to use default value.<br>Individual variable settings (non-null) override settings in context object,<br>except for attributes, tags, and additional\_tag\_map, which are merged. | `any` | <pre>{<br>  "additional_tag_map": {},<br>  "attributes": [],<br>  "delimiter": null,<br>  "enabled": true,<br>  "environment": null,<br>  "id_length_limit": null,<br>  "label_key_case": null,<br>  "label_order": [],<br>  "label_value_case": null,<br>  "name": null,<br>  "namespace": null,<br>  "regex_replace_chars": null,<br>  "stage": null,<br>  "tags": {}<br>}</pre> | no |
 | cpu\_utilization\_high\_alarm\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High Alarm action | `list(string)` | `[]` | no |
 | cpu\_utilization\_high\_evaluation\_periods | Number of periods to evaluate for the alarm | `number` | `1` | no |
 | cpu\_utilization\_high\_ok\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High OK action | `list(string)` | `[]` | no |
@@ -34,10 +34,10 @@
 | delimiter | Delimiter to be used between `namespace`, `environment`, `stage`, `name` and `attributes`.<br>Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |
 | enabled | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
 | environment | Environment, e.g. 'uw2', 'us-west-2', OR 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
-| id\_length\_limit | Limit `id` to this many characters.<br>Set to `0` for unlimited length.<br>Set to `null` for default, which is `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
-| label\_key\_case | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`. <br>Default value: `title`. | `string` | `null` | no |
+| id\_length\_limit | Limit `id` to this many characters (minimum 6).<br>Set to `0` for unlimited length.<br>Set to `null` for default, which is `0`.<br>Does not affect `id_full`. | `number` | `null` | no |
+| label\_key\_case | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`. | `string` | `null` | no |
 | label\_order | The naming order of the id output and Name tag.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 5 elements, but at least one must be present. | `list(string)` | `null` | no |
-| label\_value\_case | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation). <br>Default value: `lower`. | `string` | `null` | no |
+| label\_value\_case | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Default value: `lower`. | `string` | `null` | no |
 | memory\_utilization\_high\_alarm\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High Alarm action | `list(string)` | `[]` | no |
 | memory\_utilization\_high\_evaluation\_periods | Number of periods to evaluate for the alarm | `number` | `1` | no |
 | memory\_utilization\_high\_ok\_actions | A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High OK action | `list(string)` | `[]` | no |

examples/complete/context.tf

@@ -20,7 +20,7 @@
 
 module "this" {
   source  = "cloudposse/label/null"
-  version = "0.23.0" // requires Terraform >= 0.13.0
+  version = "0.24.1" # requires Terraform >= 0.13.0
 
   enabled             = var.enabled
   namespace           = var.namespace
@@ -34,29 +34,16 @@ module "this" {
   label_order         = var.label_order
   regex_replace_chars = var.regex_replace_chars
   id_length_limit     = var.id_length_limit
+  label_key_case      = var.label_key_case
+  label_value_case    = var.label_value_case
 
   context = var.context
 }
 
 # Copy contents of cloudposse/terraform-null-label/variables.tf here
 
 variable "context" {
-  type = object({
-    enabled             = bool
-    namespace           = string
-    environment         = string
-    stage               = string
-    name                = string
-    delimiter           = string
-    attributes          = list(string)
-    tags                = map(string)
-    additional_tag_map  = map(string)
-    regex_replace_chars = string
-    label_order         = list(string)
-    id_length_limit     = number
-    label_key_case      = string
-    label_value_case    = string
-  })
+  type = any
   default = {
     enabled             = true
     namespace           = null
@@ -82,12 +69,12 @@ variable "context" {
   EOT
 
   validation {
-    condition     = var.context["label_key_case"] == null ? true : contains(["lower", "title", "upper"], var.context["label_key_case"])
+    condition     = lookup(var.context, "label_key_case", null) == null ? true : contains(["lower", "title", "upper"], var.context["label_key_case"])
     error_message = "Allowed values: `lower`, `title`, `upper`."
   }
 
   validation {
-    condition     = var.context["label_value_case"] == null ? true : contains(["lower", "title", "upper", "none"], var.context["label_value_case"])
+    condition     = lookup(var.context, "label_value_case", null) == null ? true : contains(["lower", "title", "upper", "none"], var.context["label_value_case"])
     error_message = "Allowed values: `lower`, `title`, `upper`, `none`."
   }
 }
@@ -172,19 +159,23 @@ variable "id_length_limit" {
   type        = number
   default     = null
   description = <<-EOT
-    Limit `id` to this many characters.
+    Limit `id` to this many characters (minimum 6).
     Set to `0` for unlimited length.
     Set to `null` for default, which is `0`.
     Does not affect `id_full`.
   EOT
+  validation {
+    condition     = var.id_length_limit == null ? true : var.id_length_limit >= 6 || var.id_length_limit == 0
+    error_message = "The id_length_limit must be >= 6 if supplied (not null), or 0 for unlimited length."
+  }
 }
 
 variable "label_key_case" {
   type        = string
   default     = null
   description = <<-EOT
     The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.
-    Possible values: `lower`, `title`, `upper`. 
+    Possible values: `lower`, `title`, `upper`.
     Default value: `title`.
   EOT
 
@@ -199,7 +190,7 @@ variable "label_value_case" {
   default     = null
   description = <<-EOT
     The letter case of output label values (also used in `tags` and `id`).
-    Possible values: `lower`, `title`, `upper` and `none` (no transformation). 
+    Possible values: `lower`, `title`, `upper` and `none` (no transformation).
     Default value: `lower`.
   EOT