Add Step
emr.add_job_flow_steps
ActionAmazon Web Servicesconnection required
Calls the AWS emr API (SigV4).
Submit a step to a running EMR cluster.
Connection
- Required
- Yes — the node will not save without one
- Auth type
- API key
- Providers
- Amazon EMR
- Secret shape
- {"access_key_id", "secret_access_key"}
- Config it needs
- region
- Resolved by
- config.connection_id, else node.connection_id
Configuration
5 fields, 2 required. A dotted path is a nested object and name[] an array of objects — the editor renders the same tree.
| Field | Type | Required | Default | Constraints | Example |
|---|---|---|---|---|---|
region AWS region (overrides the connection). | string | No | — | — | — |
cluster_id Cluster id (j-…). | string | Yes | — | — | — |
step_name Name the new step gets in Emr; not an id. | string | Yes | — | — | — |
jar JAR (default command-runner.jar). | string | No | — | — | — |
args Step arguments. | array | No | — | array of string | — |
Output
One shape.
result
| Field | Type | Example |
|---|---|---|
step_ids | array | — |
count | number | — |
{
"count": 0,
"step_ids": []
}Related Amazon EMR nodes
See Add Step run in a workflow.
In a technical demo we add the Amazon EMR connection, drop the node on the canvas and let Workflow Health pre-flight it before the first real run.