feat: add variable selection_conditions (#94)

* Add variables selection_conditions

* fix: tf fmt

---------

Co-authored-by: Matt Gowie <[email protected]>

Author: leonardobiffi

main.tf

@@ -138,6 +138,7 @@ resource "aws_backup_selection" "default" {
   plan_id       = join("", aws_backup_plan.default[*].id)
   resources     = var.backup_resources
   not_resources = var.not_resources
+
   dynamic "selection_tag" {
     for_each = var.selection_tags
     content {
@@ -146,4 +147,38 @@ resource "aws_backup_selection" "default" {
       value = selection_tag.value["value"]
     }
   }
+
+  condition {
+    dynamic "string_equals" {
+      for_each = var.selection_conditions.string_equals
+      content {
+        key   = "aws:ResourceTag/${string_equals.value.key}"
+        value = string_equals.value.value
+      }
+    }
+
+    dynamic "string_like" {
+      for_each = var.selection_conditions.string_like
+      content {
+        key   = "aws:ResourceTag/${string_like.value.key}"
+        value = string_like.value.value
+      }
+    }
+
+    dynamic "string_not_equals" {
+      for_each = var.selection_conditions.string_not_equals
+      content {
+        key   = "aws:ResourceTag/${string_not_equals.value.key}"
+        value = string_not_equals.value.value
+      }
+    }
+
+    dynamic "string_not_like" {
+      for_each = var.selection_conditions.string_not_like
+      content {
+        key   = "aws:ResourceTag/${string_not_like.value.key}"
+        value = string_not_like.value.value
+      }
+    }
+  }
 }

variables.tf

@@ -77,6 +77,29 @@ variable "selection_tags" {
   default     = []
 }
 
+variable "selection_conditions" {
+  type = object({
+    string_equals = optional(list(object({
+      key   = string
+      value = string
+    })), [])
+    string_like = optional(list(object({
+      key   = string
+      value = string
+    })), [])
+    string_not_equals = optional(list(object({
+      key   = string
+      value = string
+    })), [])
+    string_not_like = optional(list(object({
+      key   = string
+      value = string
+    })), [])
+  })
+  description = "An array of conditions used to specify a set of resources to assign to a backup plan"
+  default     = {}
+}
+
 variable "plan_name_suffix" {
   type        = string
   description = "The string appended to the plan name"