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feat: Support units in Data Explorer and Custom Charting tiles (#939)
* Add `MetricsUnitsClient` Signed-off-by: Arthur Pitman <[email protected]> * Add `ConvertUnitMetricsProcessingDecorator` Signed-off-by: Arthur Pitman <[email protected]> * Remove unneeded Data Explorer tile fields Signed-off-by: Arthur Pitman <[email protected]> * Rename several dashboard types Signed-off-by: Arthur Pitman <[email protected]> * Collect multiple Data Explorer configuration problems into a single error Signed-off-by: Arthur Pitman <[email protected]> * Enable units support in Data Explorer and Custom Charting Signed-off-by: Arthur Pitman <[email protected]> * Improve handling of multiple visualization rules for a single query Signed-off-by: Arthur Pitman <[email protected]> Signed-off-by: Arthur Pitman <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package dynatrace | ||
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|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "net/url" | ||
| "strconv" | ||
| ) | ||
|
|
||
| // MetricsUnitsPath is the base endpoint for Metrics Units API | ||
| const MetricsUnitsPath = "/api/v2/units" | ||
|
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| // UnitConversionResult is the result of a conversion. | ||
| type UnitConversionResult struct { | ||
| UnitID string `json:"unitId"` | ||
| ResultValue float64 `json:"resultValue"` | ||
| } | ||
|
|
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| const ( | ||
| valueKey = "value" | ||
| targetUnitKey = "targetUnit" | ||
| ) | ||
|
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| // MetricsUnitsClientConvertRequest encapsulates the request for the MetricsUnitsClient's Convert method. | ||
| type MetricsUnitsClientConvertRequest struct { | ||
| sourceUnitID string | ||
| value float64 | ||
| targetUnitID string | ||
| } | ||
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| // NewMetricsUnitsClientConvertRequest creates a new MetricsUnitsClientConvertRequest. | ||
| func NewMetricsUnitsClientConvertRequest(sourceUnitID string, value float64, targetUnitID string) MetricsUnitsClientConvertRequest { | ||
| return MetricsUnitsClientConvertRequest{ | ||
| sourceUnitID: sourceUnitID, | ||
| value: value, | ||
| targetUnitID: targetUnitID, | ||
| } | ||
| } | ||
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| // RequestString encodes MetricsUnitsClientConvertRequest into a request string. | ||
| func (q *MetricsUnitsClientConvertRequest) RequestString() string { | ||
| queryParameters := newQueryParameters() | ||
| queryParameters.add(valueKey, strconv.FormatFloat(q.value, 'f', -1, 64)) | ||
| queryParameters.add(targetUnitKey, q.targetUnitID) | ||
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| return MetricsUnitsPath + "/" + url.PathEscape(q.sourceUnitID) + "/convert?" + queryParameters.encode() | ||
| } | ||
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| // MetricsUnitsClientInterface defines functions for the Dynatrace Metrics Units endpoint. | ||
| type MetricsUnitsClientInterface interface { | ||
| // Convert converts a value between the specified units. | ||
| Convert(ctx context.Context, request MetricsUnitsClientConvertRequest) (float64, error) | ||
| } | ||
|
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| // MetricsUnitsClient is a client for interacting with Dynatrace Metrics Units endpoint. | ||
| type MetricsUnitsClient struct { | ||
| client ClientInterface | ||
| } | ||
|
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| // NewMetricsUnitsClient creates a new MetricsUnitsClient | ||
| func NewMetricsUnitsClient(client ClientInterface) *MetricsUnitsClient { | ||
| return &MetricsUnitsClient{ | ||
| client: client, | ||
| } | ||
| } | ||
|
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| // Convert converts a value between the specified units. | ||
| func (c *MetricsUnitsClient) Convert(ctx context.Context, request MetricsUnitsClientConvertRequest) (float64, error) { | ||
| body, err := c.client.Get(ctx, request.RequestString()) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
|
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| var result UnitConversionResult | ||
| err = json.Unmarshal(body, &result) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
|
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| return result.ResultValue, nil | ||
| } |
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