clusterUnregisterNode()

API Stability	`Long-Term`

The clusterUnregisterNode() GraphQL mutation may be used to unregister a node from a cluster.

For information on clusters, see the Cluster Management documentation page. You may also want to look at the LogScale Logical Architecture page in the Training section.

Syntax

Below is the syntax for the clusterUnregisterNode() mutation field:

graphql

clusterUnregisterNode(
      force: boolean!
      nodeID: integer!
   ): UnregisterNodeMutation!

The force is given with a value of true, along with nodeID and its unique identifier to force the removal of a node.

Below is an example of how this mutation field might be used:

Show:

graphql

mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}

shell

curl -v -X POST $YOUR_LOGSCALE_URL/graphql \
    -H "Authorization: Bearer $TOKEN" \
    -H "Content-Type: application/json" \
    -d @- << EOF
{"query" : "mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}"
}
EOF

shell

curl -v -X POST $YOUR_LOGSCALE_URL/graphql \
    -H "Authorization: Bearer $TOKEN" \
    -H "Content-Type: application/json" \
    -d @- << EOF
{"query" : "mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}"
}
EOF

shell

curl -v -X POST $YOUR_LOGSCALE_URL/graphql ^
    -H "Authorization: Bearer $TOKEN" ^
    -H "Content-Type: application/json" ^
    -d @'{"query" : "mutation { ^
  clusterUnregisterNode( ^
         nodeID: 2, ^
         force: false )  ^
  { cluster { nodes { id, name } } } ^
}" ^
} '

powershell

curl.exe -X POST 
    -H "Authorization: Bearer $TOKEN"
    -H "Content-Type: application/json"
    -d '{"query" : "mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}"
}'
    "$YOUR_LOGSCALE_URL/graphql"

perl

#!/usr/bin/perl

use HTTP::Request;
use LWP;

my $INGEST_TOKEN = "TOKEN";

my $uri = '$YOUR_LOGSCALE_URL/graphql';

my $json = '{"query" : "mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}"
}';
my $req = HTTP::Request->new("POST", $uri );

$req->header("Authorization" => "Bearer $TOKEN");
$req->header("Content-Type" => "application/json");

$req->content( $json );

my $lwp = LWP::UserAgent->new;

my $result = $lwp->request( $req );

print $result->{"_content"},"\n";

python

#! /usr/local/bin/python3

import requests

url = '$YOUR_LOGSCALE_URL/graphql'
mydata = r'''{"query" : "mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}"
}'''

resp = requests.post(url,
                     data = mydata,
                     headers = {
   "Authorization" : "Bearer $TOKEN",
   "Content-Type" : "application/json"
}
)

print(resp.text)

javascript

const https = require('https');

const data = JSON.stringify(
    {"query" : "mutation {
  clusterUnregisterNode(
         nodeID: 2,
         force: false ) 
  { cluster { nodes { id, name } } }
}"
}
);


const options = {
  hostname: '$YOUR_LOGSCALE_URL/graphql',
  path: '/graphql',
  port: 443,
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Content-Length': data.length,
    Authorization: 'BEARER ' + process.env.TOKEN,
    'User-Agent': 'Node',
  },
};

const req = https.request(options, (res) => {
  let data = '';
  console.log(`statusCode: ${res.statusCode}`);

  res.on('data', (d) => {
    data += d;
  });
  res.on('end', () => {
    console.log(JSON.parse(data).data);
  });
});

req.on('error', (error) => {
  console.error(error);
});

req.write(data);
req.end();

Example Responses

Show:

json

{
  "data": {
    "clusterUnregisterNode": {
      "cluster": {
        "nodes": [
          {
            "id": 1,
            "name": "humio-cluster-node1:8080"
          }
        ]
      }
    }
  }
}

Returned Datatypes

The returned datatype UnregisterNodeMutation has one parameter and several sub-parameters. Click on the link below to the sub-parameters:

Table: UnregisterNodeMutation

Parameter	Type	Required	Stability	Description
Some arguments may be required, as indicated in the Required column. For some fields, this column indicates that a result will always be returned for this column.
Table last updated: Oct 4, 2024
`cluster`	`Cluster`	yes	`Long-Term`	The node to unregister from the cluster. See `Cluster`.

GraphQL Mutations

GraphQL API Stability

GraphQL Queries

GraphQL Datatypes