feat: add support for lifecycle rules in simple bucket (#49)

* add support for lifecycle rules

* revert main.tf

* update readme

* update example

* dashes

* dash

* inline

examples/simple_bucket/main.tf

@@ -20,6 +20,17 @@ module "bucket" {
   name       = "example-bucket"
   project_id = "example-project"
   location   = "us-east1"
+
+  lifecycle_rules = [{
+    action = {
+      type = "Delete"
+    }
+    condition = {
+      age        = 365
+      with_state = "ANY"
+    }
+  }]
+
   iam_members = [{
     role   = "roles/storage.viewer"
     member = "user:[email protected]"

modules/simple_bucket/README.md

@@ -43,6 +43,7 @@ Functional examples are included in the
 | force\_destroy | When deleting a bucket, this boolean option will delete all contained objects. If false, Terraform will fail to delete buckets which contain objects. | bool | `"false"` | no |
 | iam\_members | The list of IAM members to grant permissions on the bucket. | object | `<list>` | no |
 | labels | A set of key/value label pairs to assign to the bucket. | map(string) | `"null"` | no |
+| lifecycle\_rules | The bucket's Lifecycle Rules configuration. | object | `<list>` | no |
 | location | The location of the bucket. | string | n/a | yes |
 | name | The name of the bucket. | string | n/a | yes |
 | project\_id | The ID of the project to create the bucket in. | string | n/a | yes |

modules/simple_bucket/main.tf

@@ -41,6 +41,23 @@ resource "google_storage_bucket" "bucket" {
       default_kms_key_name = var.encryption.default_kms_key_name
     }
   }
+
+  dynamic "lifecycle_rule" {
+    for_each = var.lifecycle_rules
+    content {
+      action {
+          type          = lifecycle_rule.value.action.type
+          storage_class = lookup(lifecycle_rule.value.action, "storage_class", null)
+      }
+      condition {
+          age                   = lookup(lifecycle_rule.value.condition, "age", null)
+          created_before        = lookup(lifecycle_rule.value.condition, "storage_class", null)
+          with_state            = lookup(lifecycle_rule.value.condition, "with_state", null)
+          matches_storage_class = lookup(lifecycle_rule.value.condition, "matches_storage_class", null)
+          num_newer_versions    = lookup(lifecycle_rule.value.condition, "num_newer_versions", null)
+      }
+    }
+  }
 }
 
 resource "google_storage_bucket_iam_member" "members" {

modules/simple_bucket/variables.tf

@@ -85,3 +85,22 @@ variable "encryption" {
   })
   default = null
 }
+
+variable "lifecycle_rules" {
+  description = "The bucket's Lifecycle Rules configuration."
+  type = list(object({
+    # Object with keys:
+    # - type - The type of the action of this Lifecycle Rule. Supported values: Delete and SetStorageClass.
+    # - storage_class - (Required if action type is SetStorageClass) The target Storage Class of objects affected by this Lifecycle Rule.
+    action = any
+
+    # Object with keys:
+    # - age - (Optional) Minimum age of an object in days to satisfy this condition.
+    # - created_before - (Optional) Creation date of an object in RFC 3339 (e.g. 2017-06-13) to satisfy this condition.
+    # - with_state - (Optional) Match to live and/or archived objects. Supported values include: "LIVE", "ARCHIVED", "ANY".
+    # - matches_storage_class - (Optional) Storage Class of objects to satisfy this condition. Supported values include: MULTI_REGIONAL, REGIONAL, NEARLINE, COLDLINE, STANDARD, DURABLE_REDUCED_AVAILABILITY.
+    # - num_newer_versions - (Optional) Relevant only for versioned objects. The number of newer versions of an object to satisfy this condition.
+    condition = any
+  }))
+  default = []
+}