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  1. Preface
  2. Introduction to Edge Data Streaming Custom Entity Types
  3. Managing Custom Entity Types
  4. Custom Entities from Maven Archetypes
  5. REST APIs
  6. HTTP Request and Response Parameters
  7. Sample JSON Requests and Responses
  8. Glossary

Developer Guide

Developer Guide

Create Node Groups

Create Node Groups

Use the POST method to create a node group in EDS.

POST Request in JSON Format

Generate a POST request. For example, the following POST request creates a node group:
POST /api/nodegroups Content-Type: application/json Accept: application/json

POST Body in JSON Format

{ "name": "TestNodeGroup", "type": "STATIC", "nodes": [1, 2, 3] }

POST Response in JSON Format

The following is a sample response for the 201 Created code:
{ "id": 322, "name": "NodeGroup2", "success": true, "type": "STATIC", "nodes": [ { "id": 253 } ] }
The following is a sample response for the 400 Bad Request code:
{ "success": false, "errors": [ { "code": NAME_FIELD_MISSING, "parameters": null, "errorMessage": "'name' field is missing in request" } ] }
{ "success": false, "errors": [ { "code": UNSUPPORTED_NODEGROUP_TYPE, "parameters": [{invalid-nodegroup-type}], "errorMessage": "Unsupported node group type: {invalid-nodegroup-type}. Valid node group types (static, dynamic)" } ] }
{ "success": false, "errors": [ { "code": PATTERN_FIELD_MISSING, "parameters": null, "errorMessage": "'pattern' (regex) field is missing request. It is required for 'dynamic' Node group" } ] }
{ "success": false, "errors": [ { "code": NODE_NOT_FOUND, "parameters": [{node-id}], "errorMessage": "Node not found with Id: {node-id}" } ] }
{ "success": false, "errors": [ { "code": NODEGROUP_ALREADY_EXISTS, "parameters": null, "errorMessage": "Node group name already exists." } ] }
The following is a sample response for the 500 Internal Server Error code:
{ "success": false, "errors": [ { "code": INTERNAL_SERVER_ERROR, "parameters": [{error-message}], "errorMessage": ""Failed to create Node. Error: {error-message}" } ]

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