aws.autoscaling.set_desired_capacity

Set the desired capacity of an Amazon EC2 Auto Scaling group using a CloudConnection UUID.

Overview

Property	Value
Workflow type	Atomic
Library	Base-aws
Version	1.0

Input Schema

Field	Type	Required	Default	Description
connection_uuid	uuid	Yes	—	CloudConnection UUID for the target AWS account.
workflow_run_id	string	No	—	Engine DAG run ID stamped onto child steps.
region	string	No	—	AWS region override.
auto_scaling_group_name	string	Yes	—	Name of the Auto Scaling group.
desired_capacity	integer	Yes	—	New desired capacity for the group.
honor_cooldown	boolean	No	—	Whether to honor the group cooldown before scaling.

Output Schema

Field	Type	Required	Default	Description
connection_uuid	uuid	No	—	CloudConnection UUID echoed from input.
region	string	No	—	AWS region used.
auto_scaling_group_name	string	No	—	Name of the Auto Scaling group.
desired_capacity	integer	No	—	Desired capacity that was requested.
updated	boolean	No	—	Whether the desired capacity was updated.
failure_reason	string	No	—	Human-readable failure reason.
failed_step	string	No	—	Failed logical step.
failed_layer	json	No	—	Failed DAG layer if engine supplies one.
failed_at_state	string	No	—	State where failure occurred.
error	string	No	—	Error message.
error_type	string	No	—	Error class.
failed_at	string	No	—	ISO failure timestamp.

States

State	Initial	Terminal	Success	Auto-advance	Description
pending	Yes	No	—	execute	—
completed	No	Yes	Yes	—	—
failed	No	Yes	No	—	—

State Diagram

Transitions

From	Action	To	Description
pending	execute	completed	—
* (any state)	fail	failed	—

API Usage

POST /api/workflows/start
Content-Type: application/json

{
  "workflow_type": "aws.autoscaling.set_desired_capacity",
  "initial_data": {
    "connection_uuid": "value",
    "auto_scaling_group_name": "value",
    "desired_capacity": 123
  }
}