Add var for optinal database creation (#23)

* Add var for optinal database creation

* Reduce CPU request in the simple example

Author: bobbyiliev

README.md

@@ -32,7 +32,7 @@ The module has been tested with:
 | <a name="module_database"></a> [database](#module\_database) | ./modules/database | n/a |
 | <a name="module_eks"></a> [eks](#module\_eks) | ./modules/eks | n/a |
 | <a name="module_networking"></a> [networking](#module\_networking) | ./modules/networking | n/a |
-| <a name="module_operator"></a> [operator](#module\_operator) | github.com/MaterializeInc/terraform-helm-materialize | v0.1.2 |
+| <a name="module_operator"></a> [operator](#module\_operator) | github.com/MaterializeInc/terraform-helm-materialize | v0.1.3 |
 | <a name="module_storage"></a> [storage](#module\_storage) | ./modules/storage | n/a |
 
 ## Resources
@@ -76,7 +76,7 @@ The module has been tested with:
 | <a name="input_install_metrics_server"></a> [install\_metrics\_server](#input\_install\_metrics\_server) | Whether to install the metrics-server for the Materialize Console | `bool` | `true` | no |
 | <a name="input_kubernetes_namespace"></a> [kubernetes\_namespace](#input\_kubernetes\_namespace) | The Kubernetes namespace for the Materialize resources | `string` | `"materialize-environment"` | no |
 | <a name="input_log_group_name_prefix"></a> [log\_group\_name\_prefix](#input\_log\_group\_name\_prefix) | Prefix for the CloudWatch log group name (will be combined with environment name) | `string` | `"materialize"` | no |
-| <a name="input_materialize_instances"></a> [materialize\_instances](#input\_materialize\_instances) | Configuration for Materialize instances | <pre>list(object({<br/>    name                 = string<br/>    namespace            = optional(string)<br/>    database_name        = string<br/>    environmentd_version = optional(string, "v0.130.1")<br/>    cpu_request          = optional(string, "1")<br/>    memory_request       = optional(string, "1Gi")<br/>    memory_limit         = optional(string, "1Gi")<br/>  }))</pre> | `[]` | no |
+| <a name="input_materialize_instances"></a> [materialize\_instances](#input\_materialize\_instances) | Configuration for Materialize instances | <pre>list(object({<br/>    name                 = string<br/>    namespace            = optional(string)<br/>    database_name        = string<br/>    environmentd_version = optional(string, "v0.130.1")<br/>    cpu_request          = optional(string, "1")<br/>    memory_request       = optional(string, "1Gi")<br/>    memory_limit         = optional(string, "1Gi")<br/>    create_database      = optional(bool, true)<br/>  }))</pre> | `[]` | no |
 | <a name="input_metrics_retention_days"></a> [metrics\_retention\_days](#input\_metrics\_retention\_days) | Number of days to retain CloudWatch metrics | `number` | `7` | no |
 | <a name="input_namespace"></a> [namespace](#input\_namespace) | Namespace for all resources, usually the organization or project name | `string` | n/a | yes |
 | <a name="input_network_id"></a> [network\_id](#input\_network\_id) | The ID of the VPC in which resources will be deployed. Only used if create\_vpc is false. | `string` | `""` | no |

examples/simple/README.md

@@ -65,9 +65,9 @@ Once the infrastructure and the Materialize Operator are installed, you can depl
        name           = "demo"
        namespace      = "materialize-environment"
        database_name  = "demo_db"
-       cpu_request    = "4"
-       memory_request = "8Gi"
-       memory_limit   = "8Gi"
+       cpu_request    = "2"
+       memory_request = "4Gi"
+       memory_limit   = "4Gi"
      }
    ]
    ```

examples/simple/main.tf

@@ -82,12 +82,13 @@ variable "database_password" {
 variable "materialize_instances" {
   description = "List of Materialize instances to be created."
   type = list(object({
-    name           = string
-    namespace      = string
-    database_name  = string
-    cpu_request    = string
-    memory_request = string
-    memory_limit   = string
+    name            = string
+    namespace       = string
+    database_name   = string
+    cpu_request     = string
+    memory_request  = string
+    memory_limit    = string
+    create_database = optional(bool)
   }))
   default = []
 }

main.tf

@@ -79,7 +79,7 @@ module "database" {
 }
 
 module "operator" {
-  source = "github.com/MaterializeInc/terraform-helm-materialize?ref=v0.1.2"
+  source = "github.com/MaterializeInc/terraform-helm-materialize?ref=v0.1.3"
 
   count = var.install_materialize_operator ? 1 : 0
 
@@ -141,9 +141,10 @@ locals {
 
   instances = [
     for instance in var.materialize_instances : {
-      name          = instance.name
-      namespace     = instance.namespace
-      database_name = instance.database_name
+      name            = instance.name
+      namespace       = instance.namespace
+      database_name   = instance.database_name
+      create_database = instance.create_database
 
       metadata_backend_url = format(
         "postgres://%s:%s@%s/%s?sslmode=require",

variables.tf

@@ -300,6 +300,7 @@ variable "materialize_instances" {
     cpu_request          = optional(string, "1")
     memory_request       = optional(string, "1Gi")
     memory_limit         = optional(string, "1Gi")
+    create_database      = optional(bool, true)
   }))
   default = []
 }