Chilkat Online Tools

delphiDll / MongoDB Atlas / Create One Cluster

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var
http: HCkHttp;
success: Boolean;
json: HCkJsonObject;
resp: HCkHttpResponse;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := CkHttp_Create();

CkHttp_putDigestAuth(http,True);
CkHttp_putLogin(http,'username');
CkHttp_putPassword(http,'password');

// Use this online tool to generate code from sample JSON: Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "name": "SingleRegionCluster",
//   "diskSizeGB": 100,
//   "numShards": 1,
//   "providerSettings": {
//     "providerName": "AWS",
//     "instanceSizeName": "M10",
//     "regionName": "US_EAST_1"
//   },
//   "clusterType": "REPLICASET",
//   "replicationFactor": 3,
//   "replicationSpecs": [
//     {
//       "numShards": 1,
//       "regionsConfig": {
//         "US_EAST_1": {
//           "analyticsNodes": 0,
//           "electableNodes": 3,
//           "priority": 7,
//           "readOnlyNodes": 0
//         }
//       },
//       "zoneName": "Zone 1"
//     }
//   ],
//   "backupEnabled": false,
//   "providerBackupEnabled": true,
//   "autoScaling": {
//     "diskGBEnabled": true
//   }
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'name','SingleRegionCluster');
CkJsonObject_UpdateInt(json,'diskSizeGB',100);
CkJsonObject_UpdateInt(json,'numShards',1);
CkJsonObject_UpdateString(json,'providerSettings.providerName','AWS');
CkJsonObject_UpdateString(json,'providerSettings.instanceSizeName','M10');
CkJsonObject_UpdateString(json,'providerSettings.regionName','US_EAST_1');
CkJsonObject_UpdateString(json,'clusterType','REPLICASET');
CkJsonObject_UpdateInt(json,'replicationFactor',3);
CkJsonObject_UpdateInt(json,'replicationSpecs[0].numShards',1);
CkJsonObject_UpdateInt(json,'replicationSpecs[0].regionsConfig.US_EAST_1.analyticsNodes',0);
CkJsonObject_UpdateInt(json,'replicationSpecs[0].regionsConfig.US_EAST_1.electableNodes',3);
CkJsonObject_UpdateInt(json,'replicationSpecs[0].regionsConfig.US_EAST_1.priority',7);
CkJsonObject_UpdateInt(json,'replicationSpecs[0].regionsConfig.US_EAST_1.readOnlyNodes',0);
CkJsonObject_UpdateString(json,'replicationSpecs[0].zoneName','Zone 1');
CkJsonObject_UpdateBool(json,'backupEnabled',False);
CkJsonObject_UpdateBool(json,'providerBackupEnabled',True);
CkJsonObject_UpdateBool(json,'autoScaling.diskGBEnabled',True);

CkHttp_SetRequestHeader(http,'Content-Type','application/json');

resp := CkHttp_PostJson3(http,'https://domain.com/api/atlas/{{version}}/groups/{{ProjectID}}/clusters','application/json',json);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add(IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));
CkHttpResponse_Dispose(resp);

CkHttp_Dispose(http);
CkJsonObject_Dispose(json);

Curl Command

curl -X POST
	--digest -u 'username:password'
	-H "Content-Type: application/json"
	-d '{
         "name": "SingleRegionCluster",
         "diskSizeGB": 100,
         "numShards": 1,
         "providerSettings": {
           "providerName": "AWS",
           "instanceSizeName": "M10",
           "regionName": "US_EAST_1"
         },
         "clusterType" : "REPLICASET",
         "replicationFactor": 3,
         "replicationSpecs": [{
           "numShards": 1,
           "regionsConfig": {
             "US_EAST_1": {
               "analyticsNodes": 0,
               "electableNodes": 3,
               "priority": 7,
               "readOnlyNodes": 0
             }
           },
           "zoneName": "Zone 1"
         }],
         "backupEnabled": false,
         "providerBackupEnabled" : true,
         "autoScaling": {
           "diskGBEnabled": true
         }
       }'
https://domain.com/api/atlas/{{version}}/groups/{{ProjectID}}/clusters

Postman Collection Item JSON

{
  "name": "Create One Cluster",
  "request": {
    "method": "POST",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      }
    ],
    "body": {
      "mode": "raw",
      "raw": "       {\n         \"name\": \"SingleRegionCluster\",\n         \"diskSizeGB\": 100,\n         \"numShards\": 1,\n         \"providerSettings\": {\n           \"providerName\": \"AWS\",\n           \"instanceSizeName\": \"M10\",\n           \"regionName\": \"US_EAST_1\"\n         },\n         \"clusterType\" : \"REPLICASET\",\n         \"replicationFactor\": 3,\n         \"replicationSpecs\": [{\n           \"numShards\": 1,\n           \"regionsConfig\": {\n             \"US_EAST_1\": {\n               \"analyticsNodes\": 0,\n               \"electableNodes\": 3,\n               \"priority\": 7,\n               \"readOnlyNodes\": 0\n             }\n           },\n           \"zoneName\": \"Zone 1\"\n         }],\n         \"backupEnabled\": false,\n         \"providerBackupEnabled\" : true,\n         \"autoScaling\": {\n           \"diskGBEnabled\": true\n         }\n       }"
    },
    "url": {
      "raw": "{{base_url}}/api/atlas/{{version}}/groups/{{ProjectID}}/clusters",
      "host": [
        "{{base_url}}"
      ],
      "path": [
        "api",
        "atlas",
        "{{version}}",
        "groups",
        "{{ProjectID}}",
        "clusters"
      ]
    },
    "description": "Create a cluster in the specified project.\n\nhttps://docs.atlas.mongodb.com/reference/api/clusters-create-one/"
  },
  "response": [
  ]
}