feat: Add support for mounting gcs bucket in cloud run job (#326)

Author: ps-occrp

modules/job-exec/README.md

@@ -54,7 +54,7 @@ Functional examples are included in the
 | task\_count | Specifies the desired number of tasks the execution should run. | `number` | `null` | no |
 | timeout | Max allowed time duration the Task may be active before the system will actively try to mark it failed and kill associated containers. | `string` | `"600s"` | no |
 | volume\_mounts | Volume to mount into the container's filesystem. | <pre>list(object({<br>    name       = string<br>    mount_path = string<br>  }))</pre> | `[]` | no |
-| volumes | A list of Volumes to make available to containers. | <pre>list(object({<br>    name = string<br>    cloud_sql_instance = object({<br>      instances = set(string)<br>    })<br>  }))</pre> | `[]` | no |
+| volumes | A list of Volumes to make available to containers. | <pre>list(object({<br>    name = string<br>    cloud_sql_instance = optional(object({<br>      instances = set(string)<br>    }))<br>    gcs = optional(object({<br>      bucket        = string<br>      read_only     = optional(bool)<br>      mount_options = optional(list(string))<br>    }))<br>  }))</pre> | `[]` | no |
 | vpc\_access | VPC Access configuration to use for this Task. | <pre>list(object({<br>    connector = string<br>    egress    = string<br>  }))</pre> | `[]` | no |
 
 ## Outputs

modules/job-exec/main.tf

@@ -79,8 +79,20 @@ resource "google_cloud_run_v2_job" "job" {
         for_each = var.volumes
         content {
           name = volumes.value["name"]
-          cloud_sql_instance {
-            instances = volumes.value.cloud_sql_instance["instances"]
+
+          dynamic "cloud_sql_instance" {
+            for_each = volumes.value.cloud_sql_instance != null && try(volumes.value.cloud_sql_instance.instances, null) != null ? [volumes.value.cloud_sql_instance.instances] : []
+            content {
+              instances = try(volumes.value.cloud_sql_instance.instances, [])
+            }
+          }
+
+          dynamic "gcs" {
+            for_each = volumes.value.gcs != null && try(volumes.value.gcs.bucket, null) != null ? [volumes.value.gcs.bucket] : []
+            content {
+              bucket    = volumes.value.gcs.bucket
+              read_only = volumes.value.gcs.read_only
+            }
           }
         }
       }

modules/job-exec/variables.tf

@@ -114,9 +114,14 @@ variable "task_count" {
 variable "volumes" {
   type = list(object({
     name = string
-    cloud_sql_instance = object({
+    cloud_sql_instance = optional(object({
       instances = set(string)
-    })
+    }))
+    gcs = optional(object({
+      bucket        = string
+      read_only     = optional(bool)
+      mount_options = optional(list(string))
+    }))
   }))
   description = "A list of Volumes to make available to containers."
   default     = []