Rollback Plan

If a change needs to be reverted, we will publish an updated version of the library.

Changes to Security Controls

Are there any changes to security controls (access controls, encryption, logging) in this pull request? If so, explain.

Description

This PR adds On-Demand Capacity Reservation (ODCR) support to the aws_ecs_capacity_provider resource for Managed Instances capacity providers. With this change, users can reserve EC2 compute capacity in a specific Availability Zone, guaranteeing that instances are available when ECS needs to scale their workloads. Users can now specify a capacity_option_type of RESERVED within the instance_launch_template block to enable capacity reservation integration, alongside the existing ON_DEMAND and SPOT options. A new capacity_reservations block allows users to target a specific Capacity Reservation resource group via reservation_group_arn and control reservation behavior through reservation_preference, which supports RESERVATIONS_ONLY for exclusive use of reserved capacity, RESERVATIONS_FIRST for preferring reservations with on-demand fallback and RESERVATIONS_EXCLUDED for avoiding reservations entirely.

Relations

Closes #0000

References

Output from Acceptance Testing

--- PASS: TestAccECSCapacityProvider_capacityReservations_validationErrors (7.85s)
--- PASS: TestAccECSCapacityProvider_capacityReservations_groupArnOnly (49.86s)
--- PASS: TestAccECSCapacityProvider_capacityOptionType_onDemandExplicit (49.95s)
--- PASS: TestAccECSCapacityProvider_capacityOptionType_immutable (53.97s)
--- PASS: TestAccECSCapacityProvider_createManagedInstancesProvider_withCapacityReservations (55.01s)
--- PASS: TestAccECSCapacityProvider_createManagedInstancesProvider_basic (55.34s)
--- PASS: TestAccECSCapacityProvider_capacityReservations_additionalValidationErrors (6.84s)
--- PASS: TestAccECSCapacityProvider_updateManagedInstancesProvider_capacityReservations (78.97s)
--- PASS: TestAccECSCapacityProvider_createManagedInstancesProvider_withInfrastructureOptimization (90.00s)
--- PASS: TestAccECSCapacityProvider_createManagedInstancesProvider_withStorageConfiguration (44.12s)
--- PASS: TestAccECSCapacityProvider_createManagedInstancesProvider_withInstanceRequirements (45.06s)
--- PASS: TestAccECSCapacityProvider_updateManagedInstancesProvider (60.97s)
--- PASS: TestAccECSCapacityProvider_capacityReservations_excludedPreference (36.51s)