appsync-stepfunctions-resolver

An AWS AppSync resolver that interacts with and returns data about AWS StepFunctions

AWS Permissions Required

• states:DescribeExecution
• states:StopExecution

Handler Method

function.handler

Request Syntax

{
  "operation": "describeExecution",
  "arguments": {
    "executionArn": "arn"
  }
}

{
  "operation": "stopExecution",
  "arguments": {
    "executionArn": "arn",
    "error": "string"
    "cause": "string"
  }
}

operation - REQUIRED

Can be one of describeExecution or stopExecution.

describeExecution

executionArn:	The Amazon Resource Name (ARN) of the execution to describe - REQUIRED

stopExecution

executionArn:	The Amazon Resource Name (ARN) of the execution to stop - REQUIRED
error:	The error code of the failure
cause:	A more detailed explanation of the cause of the failure

Each of these requests can be batched via the BatchInvoke protocol from Appsync.

Response syntax

For describeExecution and stopExecution:

{
  'executionArn': 'string',
  'stateMachineArn': 'string',
  'name': 'string',
  'status': 'RUNNING'|'SUCCEEDED'|'FAILED'|'TIMED_OUT'|'ABORTED',
  'startDate': datetime(2015, 1, 1),
  'stopDate': datetime(2015, 1, 1),
  'input': 'string',
  'output': 'string'
}

Example AWS Appsync schema:

type Execution {
  executionArn: String!
  stateMachineArn: String!
  name: String!
  status: String!
  startDate: AWSDateTime!
  stopDate: AWSDateTime!
  input: String!
  output: String
}

type Mutation {
  stopExecution(executionArn: String!, error: String, cause: String): Execution
}

type Query {
  describeExecution(executionArn: String!): Execution
}

schema {
  query: Query
  mutation: Mutation
}

Lambda Package Location

https://s3.amazonaws.com/lambdalambdalambda-repo/quinovas/appsync-stepfunctions-resolver/appsync-stepfunctions-resolver-0.0.1.zip

License: APL2