aws-ecs Add support for ordered_placement_strategy (#139)

[feature] aws-ecs Add support for ordered_placement_strategy

Author: mbarrien

aws-ecs-job-fargate/README.md

@@ -35,6 +35,7 @@ Since changing a service to use the new ARN requires destroying and recreating t
 | desired\_count |  | number | n/a | yes |
 | env | Env for tagging and naming. See [doc](../README.md#consistent-tagging). | string | n/a | yes |
 | memory | Memory in megabytes for Fargate task. Used if task_definition provided, or for initial stub task if externally managed. | number | `512` | no |
+| ordered\_placement\_strategy | Placement strategy for the task instances. | list | `[]` | no |
 | project | Project for tagging and naming. See [doc](../README.md#consistent-tagging) | string | n/a | yes |
 | registry\_secretsmanager\_arn | ARN for AWS Secrets Manager secret for credentials to private registry | string | `null` | no |
 | security\_group\_ids | Security group to use for the Fargate task. | list | `<list>` | no |

aws-ecs-job-fargate/main.tf

@@ -33,6 +33,14 @@ resource "aws_ecs_service" "job" {
     security_groups = var.security_group_ids
   }
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   tags = var.tag_service ? local.tags : {}
 }
 
@@ -53,6 +61,14 @@ resource "aws_ecs_service" "unmanaged-job" {
     security_groups = var.security_group_ids
   }
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   lifecycle {
     ignore_changes = [task_definition]
   }

aws-ecs-job-fargate/variables.tf

@@ -94,4 +94,10 @@ variable "tag_service" {
   description = "Apply cost tags to the ECS service. Only specify false for backwards compatibility with old ECS services."
   type        = bool
   default     = true
-}
+}
+
+variable "ordered_placement_strategy" {
+  type        = list(object({ type = string, field = string }))
+  default     = []
+  description = "Placement strategy for the task instances."
+}

aws-ecs-job/README.md

@@ -34,6 +34,7 @@ service = false` argument can be removed.
 | deployment\_minimum\_healthy\_percent | (Optional) The lower limit (as a percentage of the service's desiredCount) of the number of running tasks that must remain running and healthy in a service during a deployment. | number | `100` | no |
 | desired\_count |  | number | n/a | yes |
 | env | Env for tagging and naming. See [doc](../README.md#consistent-tagging). | string | n/a | yes |
+| ordered\_placement\_strategy | Placement strategy for the task instances. | list | `[]` | no |
 | project | Project for tagging and naming. See [doc](../README.md#consistent-tagging) | string | n/a | yes |
 | scheduling\_strategy | Scheduling strategy for the service: REPLICA or DAEMON. | string | `"REPLICA"` | no |
 | service | Service for tagging and naming. See [doc](../README.md#consistent-tagging). | string | n/a | yes |

aws-ecs-job/main.tf

@@ -27,6 +27,14 @@ resource "aws_ecs_service" "job" {
   deployment_minimum_healthy_percent = var.deployment_minimum_healthy_percent
   scheduling_strategy                = var.scheduling_strategy
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   tags = var.tag_service ? local.tags : {}
 }
 
@@ -41,6 +49,14 @@ resource "aws_ecs_service" "unmanaged-job" {
   deployment_minimum_healthy_percent = var.deployment_minimum_healthy_percent
   scheduling_strategy                = var.scheduling_strategy
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   lifecycle {
     ignore_changes = [task_definition]
   }

aws-ecs-job/variables.tf

@@ -75,4 +75,10 @@ variable "tag_service" {
   description = "Apply cost tags to the ECS service. Only specify false for backwards compatibility with old ECS services."
   type        = bool
   default     = true
-}
+}
+
+variable "ordered_placement_strategy" {
+  type        = list(object({ type = string, field = string }))
+  default     = []
+  description = "Placement strategy for the task instances."
+}

aws-ecs-service-fargate/README.md

@@ -170,6 +170,7 @@ service = false` argument can be removed.
 | lb\_subnets | List of subnets in which to deploy the load balancer. | list | n/a | yes |
 | manage\_task\_definition | If false, Terraform will not touch the task definition for the ECS service after initial creation | bool | `true` | no |
 | memory | Memory in megabytes for Fargate task. Used if task_definition provided, or for initial stub task if externally managed. | number | `512` | no |
+| ordered\_placement\_strategy | Placement strategy for the task instances. | list | `[]` | no |
 | owner | Owner for tagging and naming. See [doc](../README.md#consistent-tagging). | string | n/a | yes |
 | project | Project for tagging and naming. See [doc](../README.md#consistent-tagging) | string | n/a | yes |
 | registry\_secretsmanager\_arn | ARN for AWS Secrets Manager secret for credentials to private registry | string | `null` | no |

aws-ecs-service-fargate/service.tf

@@ -66,6 +66,14 @@ resource "aws_ecs_service" "job" {
     }
   }
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   tags = var.tag_service ? local.tags : {}
 
   depends_on = [aws_lb.service]
@@ -99,6 +107,14 @@ resource "aws_ecs_service" "unmanaged-job" {
     }
   }
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   # This lifecycle block is the only difference between job and unmanaged-job
   lifecycle {
     ignore_changes = [task_definition]

aws-ecs-service-fargate/variables.tf

@@ -195,4 +195,10 @@ variable "tag_service" {
   description = "Apply cost tags to the ECS service. Only specify false for backwards compatibility with old ECS services."
   type        = bool
   default     = true
-}
+}
+
+variable "ordered_placement_strategy" {
+  type        = list(object({ type = string, field = string }))
+  default     = []
+  description = "Placement strategy for the task instances."
+}

aws-ecs-service/README.md

@@ -160,6 +160,7 @@ service = false` argument can be removed.
 | lb\_ingress\_security\_group\_ids |  | list | `<list>` | no |
 | lb\_subnets | List of subnets in which to deploy the load balancer. | list | n/a | yes |
 | manage\_task\_definition | If false, Terraform will not touch the task definition for the ECS service after initial creation | bool | `true` | no |
+| ordered\_placement\_strategy | Placement strategy for the task instances. | list | `[]` | no |
 | owner | Owner for tagging and naming. See [doc](../README.md#consistent-tagging). | string | n/a | yes |
 | project | Project for tagging and naming. See [doc](../README.md#consistent-tagging) | string | n/a | yes |
 | registry\_secretsmanager\_arn | ARN for AWS Secrets Manager secret for credentials to private registry | string | `null` | no |

aws-ecs-service/service.tf

@@ -69,6 +69,14 @@ resource "aws_ecs_service" "job" {
     }
   }
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   tags = var.tag_service ? local.tags : {}
 
   depends_on = [aws_lb.service]
@@ -104,6 +112,14 @@ resource "aws_ecs_service" "unmanaged-job" {
     }
   }
 
+  dynamic "ordered_placement_strategy" {
+    for_each = var.ordered_placement_strategy
+    content {
+      type  = ordered_placement_strategy.value.type
+      field = ordered_placement_strategy.value.field
+    }
+  }
+
   # This lifecycle block is the only difference between job and unmanaged-job
   lifecycle {
     ignore_changes = [task_definition]

aws-ecs-service/variables.tf

@@ -189,4 +189,10 @@ variable "tag_service" {
   description = "Apply cost tags to the ECS service. Only specify false for backwards compatibility with old ECS services."
   type        = bool
   default     = true
-}
+}
+
+variable "ordered_placement_strategy" {
+  type        = list(object({ type = string, field = string }))
+  default     = []
+  description = "Placement strategy for the task instances."
+}