Chilkat Online Tools

C++ / Datadog API Collection / Tag Configuration Cardinality Estimator

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#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkHttpResponse.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;
    bool success;

    CkJsonObject queryParams;
    queryParams.UpdateString("filter[groups]","<string>");
    queryParams.UpdateString("filter[hours_ago]","<integer>");
    queryParams.UpdateString("filter[num_aggregations]","<integer>");
    queryParams.UpdateString("filter[pct]","<boolean>");
    queryParams.UpdateString("filter[timespan_h]","<integer>");

    http.SetRequestHeader("Accept","application/json");

    CkHttpResponse *resp = http.QuickRequestParams("GET","https://api.app.ddog-gov.com/api/v2/metrics/:metric_name/estimate",queryParams);
    if (http.get_LastMethodSuccess() == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    CkStringBuilder sbResponseBody;
    resp->GetBodySb(sbResponseBody);

    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    std::cout << "Response Body:" << "\r\n";
    std::cout << jResp.emit() << "\r\n";

    int respStatusCode = resp->get_StatusCode();
    std::cout << "Response Status Code = " << respStatusCode << "\r\n";
    if (respStatusCode >= 400) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << resp->header() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    delete resp;

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "data": {
    //     "attributes": {
    //       "estimate_type": "count_or_gauge",
    //       "estimated_at": "<dateTime>",
    //       "estimated_output_series": "<long>"
    //     },
    //     "id": "<string>",
    //     "type": "metric_cardinality_estimate"
    //   }
    // }

    // Sample code for parsing the JSON response...
    // Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.

    const char *Estimate_type = jResp.stringOf("data.attributes.estimate_type");
    const char *Estimated_at = jResp.stringOf("data.attributes.estimated_at");
    const char *Estimated_output_series = jResp.stringOf("data.attributes.estimated_output_series");
    const char *Id = jResp.stringOf("data.id");
    const char *v_Type = jResp.stringOf("data.type");
    }

Curl Command

curl -G -d "filter[groups]=%3Cstring%3E"
	-d "filter[hours_ago]=%3Cinteger%3E"
	-d "filter[num_aggregations]=%3Cinteger%3E"
	-d "filter[pct]=%3Cboolean%3E"
	-d "filter[timespan_h]=%3Cinteger%3E"
	-H "Accept: application/json"
https://api.app.ddog-gov.com/api/v2/metrics/:metric_name/estimate

Postman Collection Item JSON

{
  "name": "Tag Configuration Cardinality Estimator",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Accept",
        "value": "application/json"
      }
    ],
    "url": {
      "raw": "{{baseUrl}}/api/v2/metrics/:metric_name/estimate?filter[groups]=<string>&filter[hours_ago]=<integer>&filter[num_aggregations]=<integer>&filter[pct]=<boolean>&filter[timespan_h]=<integer>",
      "host": [
        "{{baseUrl}}"
      ],
      "path": [
        "api",
        "v2",
        "metrics",
        ":metric_name",
        "estimate"
      ],
      "query": [
        {
          "key": "filter[groups]",
          "value": "<string>",
          "description": "Filtered tag keys that the metric is configured to query with."
        },
        {
          "key": "filter[hours_ago]",
          "value": "<integer>",
          "description": "The number of hours of look back (from now) to estimate cardinality with."
        },
        {
          "key": "filter[num_aggregations]",
          "value": "<integer>",
          "description": "The number of aggregations that a `count`, `rate`, or `gauge` metric is configured to use. Max number of aggregation combos is 9."
        },
        {
          "key": "filter[pct]",
          "value": "<boolean>",
          "description": "A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators."
        },
        {
          "key": "filter[timespan_h]",
          "value": "<integer>",
          "description": "A window, in hours, from the look back to estimate cardinality with."
        }
      ],
      "variable": [
        {
          "key": "metric_name",
          "value": "<string>"
        }
      ]
    },
    "description": "Returns the estimated cardinality for a metric with a given tag, percentile and number of aggregations configuration using Metrics without Limits&trade;."
  },
  "response": [
    {
      "name": "Success",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Accept",
            "value": "application/json"
          },
          {
            "description": "Added as a part of security scheme: apikey",
            "key": "DD-API-KEY",
            "value": "<API Key>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/v2/metrics/:metric_name/estimate?filter[groups]=<string>&filter[hours_ago]=<integer>&filter[num_aggregations]=<integer>&filter[pct]=<boolean>&filter[timespan_h]=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "v2",
            "metrics",
            ":metric_name",
            "estimate"
          ],
          "query": [
            {
              "key": "filter[groups]",
              "value": "<string>",
              "description": "Filtered tag keys that the metric is configured to query with."
            },
            {
              "key": "filter[hours_ago]",
              "value": "<integer>",
              "description": "The number of hours of look back (from now) to estimate cardinality with."
            },
            {
              "key": "filter[num_aggregations]",
              "value": "<integer>",
              "description": "The number of aggregations that a `count`, `rate`, or `gauge` metric is configured to use. Max number of aggregation combos is 9."
            },
            {
              "key": "filter[pct]",
              "value": "<boolean>",
              "description": "A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators."
            },
            {
              "key": "filter[timespan_h]",
              "value": "<integer>",
              "description": "A window, in hours, from the look back to estimate cardinality with."
            }
          ],
          "variable": [
            {
              "key": "metric_name"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n  \"data\": {\n    \"attributes\": {\n      \"estimate_type\": \"count_or_gauge\",\n      \"estimated_at\": \"<dateTime>\",\n      \"estimated_output_series\": \"<long>\"\n    },\n    \"id\": \"<string>\",\n    \"type\": \"metric_cardinality_estimate\"\n  }\n}"
    },
    {
      "name": "API error response.",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Accept",
            "value": "application/json"
          },
          {
            "description": "Added as a part of security scheme: apikey",
            "key": "DD-API-KEY",
            "value": "<API Key>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/v2/metrics/:metric_name/estimate?filter[groups]=<string>&filter[hours_ago]=<integer>&filter[num_aggregations]=<integer>&filter[pct]=<boolean>&filter[timespan_h]=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "v2",
            "metrics",
            ":metric_name",
            "estimate"
          ],
          "query": [
            {
              "key": "filter[groups]",
              "value": "<string>",
              "description": "Filtered tag keys that the metric is configured to query with."
            },
            {
              "key": "filter[hours_ago]",
              "value": "<integer>",
              "description": "The number of hours of look back (from now) to estimate cardinality with."
            },
            {
              "key": "filter[num_aggregations]",
              "value": "<integer>",
              "description": "The number of aggregations that a `count`, `rate`, or `gauge` metric is configured to use. Max number of aggregation combos is 9."
            },
            {
              "key": "filter[pct]",
              "value": "<boolean>",
              "description": "A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators."
            },
            {
              "key": "filter[timespan_h]",
              "value": "<integer>",
              "description": "A window, in hours, from the look back to estimate cardinality with."
            }
          ],
          "variable": [
            {
              "key": "metric_name"
            }
          ]
        }
      },
      "status": "Bad Request",
      "code": 400,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n  \"errors\": [\n    \"<string>\",\n    \"<string>\"\n  ]\n}"
    },
    {
      "name": "API error response.",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Accept",
            "value": "application/json"
          },
          {
            "description": "Added as a part of security scheme: apikey",
            "key": "DD-API-KEY",
            "value": "<API Key>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/v2/metrics/:metric_name/estimate?filter[groups]=<string>&filter[hours_ago]=<integer>&filter[num_aggregations]=<integer>&filter[pct]=<boolean>&filter[timespan_h]=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "v2",
            "metrics",
            ":metric_name",
            "estimate"
          ],
          "query": [
            {
              "key": "filter[groups]",
              "value": "<string>",
              "description": "Filtered tag keys that the metric is configured to query with."
            },
            {
              "key": "filter[hours_ago]",
              "value": "<integer>",
              "description": "The number of hours of look back (from now) to estimate cardinality with."
            },
            {
              "key": "filter[num_aggregations]",
              "value": "<integer>",
              "description": "The number of aggregations that a `count`, `rate`, or `gauge` metric is configured to use. Max number of aggregation combos is 9."
            },
            {
              "key": "filter[pct]",
              "value": "<boolean>",
              "description": "A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators."
            },
            {
              "key": "filter[timespan_h]",
              "value": "<integer>",
              "description": "A window, in hours, from the look back to estimate cardinality with."
            }
          ],
          "variable": [
            {
              "key": "metric_name"
            }
          ]
        }
      },
      "status": "Forbidden",
      "code": 403,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n  \"errors\": [\n    \"<string>\",\n    \"<string>\"\n  ]\n}"
    },
    {
      "name": "API error response.",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Accept",
            "value": "application/json"
          },
          {
            "description": "Added as a part of security scheme: apikey",
            "key": "DD-API-KEY",
            "value": "<API Key>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/v2/metrics/:metric_name/estimate?filter[groups]=<string>&filter[hours_ago]=<integer>&filter[num_aggregations]=<integer>&filter[pct]=<boolean>&filter[timespan_h]=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "v2",
            "metrics",
            ":metric_name",
            "estimate"
          ],
          "query": [
            {
              "key": "filter[groups]",
              "value": "<string>",
              "description": "Filtered tag keys that the metric is configured to query with."
            },
            {
              "key": "filter[hours_ago]",
              "value": "<integer>",
              "description": "The number of hours of look back (from now) to estimate cardinality with."
            },
            {
              "key": "filter[num_aggregations]",
              "value": "<integer>",
              "description": "The number of aggregations that a `count`, `rate`, or `gauge` metric is configured to use. Max number of aggregation combos is 9."
            },
            {
              "key": "filter[pct]",
              "value": "<boolean>",
              "description": "A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators."
            },
            {
              "key": "filter[timespan_h]",
              "value": "<integer>",
              "description": "A window, in hours, from the look back to estimate cardinality with."
            }
          ],
          "variable": [
            {
              "key": "metric_name"
            }
          ]
        }
      },
      "status": "Not Found",
      "code": 404,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n  \"errors\": [\n    \"<string>\",\n    \"<string>\"\n  ]\n}"
    },
    {
      "name": "Too Many Requests",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Accept",
            "value": "application/json"
          },
          {
            "description": "Added as a part of security scheme: apikey",
            "key": "DD-API-KEY",
            "value": "<API Key>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/v2/metrics/:metric_name/estimate?filter[groups]=<string>&filter[hours_ago]=<integer>&filter[num_aggregations]=<integer>&filter[pct]=<boolean>&filter[timespan_h]=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "v2",
            "metrics",
            ":metric_name",
            "estimate"
          ],
          "query": [
            {
              "key": "filter[groups]",
              "value": "<string>",
              "description": "Filtered tag keys that the metric is configured to query with."
            },
            {
              "key": "filter[hours_ago]",
              "value": "<integer>",
              "description": "The number of hours of look back (from now) to estimate cardinality with."
            },
            {
              "key": "filter[num_aggregations]",
              "value": "<integer>",
              "description": "The number of aggregations that a `count`, `rate`, or `gauge` metric is configured to use. Max number of aggregation combos is 9."
            },
            {
              "key": "filter[pct]",
              "value": "<boolean>",
              "description": "A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators."
            },
            {
              "key": "filter[timespan_h]",
              "value": "<integer>",
              "description": "A window, in hours, from the look back to estimate cardinality with."
            }
          ],
          "variable": [
            {
              "key": "metric_name"
            }
          ]
        }
      },
      "status": "Too Many Requests",
      "code": 429,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n  \"errors\": [\n    \"<string>\",\n    \"<string>\"\n  ]\n}"
    }
  ]
}