aws.ec2.describe_subnets

Describe EC2 subnets by ID or filter using a CloudConnection-backed AWS session.

Overview

Property	Value
Workflow type	Atomic
Library	Base-aws
Version	1.0

Input Schema

Field	Type	Required	Default	Description
connection_uuid	uuid	Yes	—	AWS CloudConnection UUID.
region	string	No	—	AWS region override.
subnet_ids	list	No	—	Subnet IDs to describe; omit to list all subnets.
filters	json	No	—	Provider-native EC2 filters for DescribeSubnets.

Output Schema

Field	Type	Required	Default	Description
connection_uuid	uuid	No	—	AWS CloudConnection UUID echoed from input.
region	string	No	—	AWS region used.
subnets	list	No	—	Sanitized provider subnet objects.
subnet_count	integer	No	—	Number of subnets returned.
vpc_ids	list	No	—	Sorted unique VPC IDs across the returned subnets.
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.ec2.describe_subnets",
  "initial_data": {
    "connection_uuid": "value"
  }
}