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Version: current [26.x]

Node Collections

Use the Node Collections API to deny access to Dremio cluster nodes and retrieve the currently denied nodes for the Dremio instance.

The Node Collections API does not have a corresponding Node Collection object. The endpoints return a list of the currently denied nodes in the response.

note

You must be a member of the Dremio ADMIN role to send requests to the Node Collections API.

Denying Nodes​

Deny access to the specified Dremio cluster nodes.

Method and URL 
POST /api/v3/nodeCollections/blacklist

The request body is a comma-separated list of the names for the nodes that you want to deny, including any currently denied nodes that should remain denied. Format the request body as an array of string, with each node name in double quotes. Use a comma to separate each node name in the list.

Any nodes omitted from the request body, including currently denied nodes, will be allowed.

Example Request 
curl -X POST 'https://{hostname}/api/v3/nodeCollections/blacklist' \
--header 'Authorization: Bearer <dremioAccessToken>' \
--header 'Content-Type: application/json' \
--data-raw '["localhost-1.c.dremio-1093.external",  "localhost-2.c.dremio-1093.external"]'
Example Response 
[
  "localhost-1.c.dremio-1093.external",
  "localhost-2.c.dremio-1093.external"
]

Response Status Codes​

200   OK

401   Unauthorized

404   Not Found

Retrieving Denied Nodes​

Invalidate the LDAP authorization for a specific user or group by ID.

Method and URL 
GET /api/v3/nodeCollections/blacklist
Example Request 
curl -X GET 'https://{hostname}/api/v3/nodeCollections/blacklist' \
--header 'Authorization: Bearer <dremioAccessToken>' \
--header 'Content-Type: application/json'
Example Response 
[
  "localhost-1.c.dremio-1093.external",
  "localhost-2.c.dremio-1093.external"
]

Response Status Codes​

200   OK

401   Unauthorized

404   Not Found

Allowing All Nodes​

Allow access to all Dremio cluster nodes.

Method and URL 
POST /api/v3/nodeCollections/blacklist

To allow all nodes, send an empty array in the request body.

Example Request 
curl -X POST 'https://{hostname}/api/v3/nodeCollections/blacklist' \
--header 'Authorization: Bearer <dremioAccessToken>' \
--header 'Content-Type: application/json' \
--data-raw '[]'
Example Response 
[]

Response Status Codes​

200   OK

401   Unauthorized

404   Not Found