delphiDll / Datadog API Collection / Tag Configuration Cardinality Estimator
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var
http: HCkHttp;
success: Boolean;
queryParams: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
Estimate_type: PWideChar;
Estimated_at: PWideChar;
Estimated_output_series: PWideChar;
Id: PWideChar;
v_Type: PWideChar;
begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := CkHttp_Create();
queryParams := CkJsonObject_Create();
CkJsonObject_UpdateString(queryParams,'filter[groups]','<string>');
CkJsonObject_UpdateString(queryParams,'filter[hours_ago]','<integer>');
CkJsonObject_UpdateString(queryParams,'filter[num_aggregations]','<integer>');
CkJsonObject_UpdateString(queryParams,'filter[pct]','<boolean>');
CkJsonObject_UpdateString(queryParams,'filter[timespan_h]','<integer>');
CkHttp_SetRequestHeader(http,'Accept','application/json');
resp := CkHttp_QuickRequestParams(http,'GET','https://api.app.ddog-gov.com/api/v2/metrics/:metric_name/estimate',queryParams);
if (CkHttp_getLastMethodSuccess(http) = False) then
begin
Memo1.Lines.Add(CkHttp__lastErrorText(http));
Exit;
end;
sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));
respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
begin
Memo1.Lines.Add('Response Header:');
Memo1.Lines.Add(CkHttpResponse__header(resp));
Memo1.Lines.Add('Failed.');
CkHttpResponse_Dispose(resp);
Exit;
end;
CkHttpResponse_Dispose(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
Estimate_type := CkJsonObject__stringOf(jResp,'data.attributes.estimate_type');
Estimated_at := CkJsonObject__stringOf(jResp,'data.attributes.estimated_at');
Estimated_output_series := CkJsonObject__stringOf(jResp,'data.attributes.estimated_output_series');
Id := CkJsonObject__stringOf(jResp,'data.id');
v_Type := CkJsonObject__stringOf(jResp,'data.type');
CkHttp_Dispose(http);
CkJsonObject_Dispose(queryParams);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
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™."
},
"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}"
}
]
}
