mirror of https://github.com/grafana/grafana.git
Prometheus: Update FrameType and make __name__ the field name (#62694)
These changes would make the response more in line with the dataplane contract, changes are under the feature toggle prometheusDataplane
This commit is contained in:
Kyle Brandt
GitHub
parent
845951485f
commit
674144c8e8
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@ -54,50 +54,51 @@ Some stable features are enabled by default. You can disable a stable feature by
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These features are early in their development lifecycle and so are not yet supported in Grafana Cloud.
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Alpha features might be changed or removed without prior notice.
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| Feature toggle name | Description |
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| ---------------------------------- | --------------------------------------------------------------------------------------------------------- |
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| `alertingBigTransactions` | Use big transactions for alerting database writes |
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| `dashboardPreviews` | Create and show thumbnails for dashboard search results |
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| `live-service-web-worker` | This will use a webworker thread to processes events rather than the main thread |
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| `queryOverLive` | Use Grafana Live WebSocket to execute backend queries |
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| `publicDashboards` | Enables public access to dashboards |
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| `publicDashboardsEmailSharing` | Enables public dashboard sharing to be restricted to only allowed emails |
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| `lokiLive` | Support WebSocket streaming for loki (early prototype) |
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| `lokiDataframeApi` | Use experimental loki api for WebSocket streaming (early prototype) |
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| `storage` | Configurable storage for dashboards, datasources, and resources |
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| `exploreMixedDatasource` | Enable mixed datasource in Explore |
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| `newTraceView` | Shows the new trace view design |
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| `correlations` | Correlations page |
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| `datasourceQueryMultiStatus` | Introduce HTTP 207 Multi Status for api/ds/query |
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| `traceToMetrics` | Enable trace to metrics links |
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| `prometheusWideSeries` | Enable wide series responses in the Prometheus datasource |
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| `canvasPanelNesting` | Allow elements nesting |
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| `scenes` | Experimental framework to build interactive dashboards |
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| `disableSecretsCompatibility` | Disable duplicated secret storage in legacy tables |
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| `logRequestsInstrumentedAsUnknown` | Logs the path for requests that are instrumented as unknown |
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| `redshiftAsyncQueryDataSupport` | Enable async query data support for Redshift |
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| `athenaAsyncQueryDataSupport` | Enable async query data support for Athena |
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| `newPanelChromeUI` | Show updated look and feel of grafana-ui PanelChrome: panel header, icons, and menu |
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| `showDashboardValidationWarnings` | Show warnings when dashboards do not validate against the schema |
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| `mysqlAnsiQuotes` | Use double quotes to escape keyword in a MySQL query |
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| `elasticsearchBackendMigration` | Use Elasticsearch as backend data source |
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| `datasourceOnboarding` | Enable data source onboarding page |
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| `emptyDashboardPage` | Enable the redesigned user interface of a dashboard page that includes no panels |
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| `secureSocksDatasourceProxy` | Enable secure socks tunneling for supported core datasources |
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| `authnService` | Use new auth service to perform authentication |
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| `alertingBacktesting` | Rule backtesting API for alerting |
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| `editPanelCSVDragAndDrop` | Enables drag and drop for CSV and Excel files |
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| `logsContextDatasourceUi` | Allow datasource to provide custom UI for context view |
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| `lokiQuerySplitting` | Split large interval queries into subqueries with smaller time intervals |
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| `lokiQuerySplittingConfig` | Give users the option to configure split durations for Loki queries |
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| `individualCookiePreferences` | Support overriding cookie preferences per user |
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| `onlyExternalOrgRoleSync` | Prohibits a user from changing organization roles synced with external auth providers |
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| `drawerDataSourcePicker` | Changes the user experience for data source selection to a drawer. |
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| `traceqlSearch` | Enables the 'TraceQL Search' tab for the Tempo datasource which provides a UI to generate TraceQL queries |
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| `prometheusMetricEncyclopedia` | Replaces the Prometheus query builder metric select option with a paginated and filterable component |
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| `timeSeriesTable` | Enable time series table transformer & sparkline cell type |
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| `influxdbBackendMigration` | Query InfluxDB InfluxQL without the proxy |
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| `clientTokenRotation` | Replaces the current in-request token rotation so that the client initiates the rotation |
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| Feature toggle name | Description |
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| ---------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `alertingBigTransactions` | Use big transactions for alerting database writes |
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| `dashboardPreviews` | Create and show thumbnails for dashboard search results |
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| `live-service-web-worker` | This will use a webworker thread to processes events rather than the main thread |
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| `queryOverLive` | Use Grafana Live WebSocket to execute backend queries |
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| `publicDashboards` | Enables public access to dashboards |
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| `publicDashboardsEmailSharing` | Enables public dashboard sharing to be restricted to only allowed emails |
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| `lokiLive` | Support WebSocket streaming for loki (early prototype) |
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| `lokiDataframeApi` | Use experimental loki api for WebSocket streaming (early prototype) |
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| `storage` | Configurable storage for dashboards, datasources, and resources |
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| `exploreMixedDatasource` | Enable mixed datasource in Explore |
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| `newTraceView` | Shows the new trace view design |
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| `correlations` | Correlations page |
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| `datasourceQueryMultiStatus` | Introduce HTTP 207 Multi Status for api/ds/query |
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| `traceToMetrics` | Enable trace to metrics links |
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| `prometheusWideSeries` | Enable wide series responses in the Prometheus datasource |
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| `canvasPanelNesting` | Allow elements nesting |
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| `scenes` | Experimental framework to build interactive dashboards |
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| `disableSecretsCompatibility` | Disable duplicated secret storage in legacy tables |
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| `logRequestsInstrumentedAsUnknown` | Logs the path for requests that are instrumented as unknown |
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| `redshiftAsyncQueryDataSupport` | Enable async query data support for Redshift |
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| `athenaAsyncQueryDataSupport` | Enable async query data support for Athena |
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| `newPanelChromeUI` | Show updated look and feel of grafana-ui PanelChrome: panel header, icons, and menu |
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| `showDashboardValidationWarnings` | Show warnings when dashboards do not validate against the schema |
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| `mysqlAnsiQuotes` | Use double quotes to escape keyword in a MySQL query |
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| `elasticsearchBackendMigration` | Use Elasticsearch as backend data source |
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| `datasourceOnboarding` | Enable data source onboarding page |
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| `emptyDashboardPage` | Enable the redesigned user interface of a dashboard page that includes no panels |
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| `secureSocksDatasourceProxy` | Enable secure socks tunneling for supported core datasources |
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| `authnService` | Use new auth service to perform authentication |
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| `alertingBacktesting` | Rule backtesting API for alerting |
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| `editPanelCSVDragAndDrop` | Enables drag and drop for CSV and Excel files |
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| `logsContextDatasourceUi` | Allow datasource to provide custom UI for context view |
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| `lokiQuerySplitting` | Split large interval queries into subqueries with smaller time intervals |
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| `lokiQuerySplittingConfig` | Give users the option to configure split durations for Loki queries |
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| `individualCookiePreferences` | Support overriding cookie preferences per user |
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| `onlyExternalOrgRoleSync` | Prohibits a user from changing organization roles synced with external auth providers |
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| `drawerDataSourcePicker` | Changes the user experience for data source selection to a drawer. |
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| `traceqlSearch` | Enables the 'TraceQL Search' tab for the Tempo datasource which provides a UI to generate TraceQL queries |
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| `prometheusMetricEncyclopedia` | Replaces the Prometheus query builder metric select option with a paginated and filterable component |
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| `timeSeriesTable` | Enable time series table transformer & sparkline cell type |
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| `influxdbBackendMigration` | Query InfluxDB InfluxQL without the proxy |
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| `clientTokenRotation` | Replaces the current in-request token rotation so that the client initiates the rotation |
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| `prometheusDataplane` | Changes responses to from Prometheus to be compliant with the dataplane specification. In particular it sets the numeric Field.Name from 'Value' to the value of the `__name__` label when present. |
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## Development feature toggles
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@ -86,4 +86,5 @@ export interface FeatureToggles {
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influxdbBackendMigration?: boolean;
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clientTokenRotation?: boolean;
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disableElasticsearchBackendExploreQuery?: boolean;
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prometheusDataplane?: boolean;
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}
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@ -454,5 +454,11 @@ var (
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State: FeatureStateBeta,
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Owner: grafanaObservabilityLogsSquad,
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},
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{
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Name: "prometheusDataplane",
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Description: "Changes responses to from Prometheus to be compliant with the dataplane specification. In particular it sets the numeric Field.Name from 'Value' to the value of the `__name__` label when present.",
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State: FeatureStateAlpha,
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Owner: grafanaObservabilityMetricsSquad,
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},
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}
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)
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@ -67,3 +67,4 @@ timeSeriesTable,alpha,@grafana/app-o11y,false,false,false,true
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influxdbBackendMigration,alpha,@grafana/observability-metrics,false,false,false,true
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clientTokenRotation,alpha,@grafana/grafana-authnz-team,false,false,false,false
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disableElasticsearchBackendExploreQuery,beta,@grafana/observability-logs,false,false,false,false
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prometheusDataplane,alpha,@grafana/observability-metrics,false,false,false,false
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@ -278,4 +278,8 @@ const (
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// FlagDisableElasticsearchBackendExploreQuery
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// Disable executing of Elasticsearch Explore queries trough backend
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FlagDisableElasticsearchBackendExploreQuery = "disableElasticsearchBackendExploreQuery"
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// FlagPrometheusDataplane
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// Changes responses to from Prometheus to be compliant with the dataplane specification. In particular it sets the numeric Field.Name from 'Value' to the value of the `__name__` label when present.
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FlagPrometheusDataplane = "prometheusDataplane"
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)
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@ -43,6 +43,7 @@ type QueryData struct {
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URL string
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TimeInterval string
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enableWideSeries bool
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enableDataplane bool
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exemplarSampler func() exemplar.Sampler
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}
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@ -82,6 +83,7 @@ func New(
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ID: settings.ID,
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URL: settings.URL,
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enableWideSeries: features.IsEnabled(featuremgmt.FlagPrometheusWideSeries),
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enableDataplane: features.IsEnabled(featuremgmt.FlagPrometheusDataplane),
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exemplarSampler: exemplarSampler,
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}, nil
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}
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@ -28,6 +28,7 @@ func (s *QueryData) parseResponse(ctx context.Context, q *models.Query, res *htt
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r := converter.ReadPrometheusStyleResult(iter, converter.Options{
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MatrixWideSeries: s.enableWideSeries,
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VectorWideSeries: s.enableWideSeries,
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Dataplane: s.enableDataplane,
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})
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// Add frame to attach metadata
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@ -21,6 +21,7 @@ func logf(format string, a ...interface{}) {
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type Options struct {
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MatrixWideSeries bool
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VectorWideSeries bool
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Dataplane bool
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}
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// ReadPrometheusStyleResult will read results from a prometheus or loki server and return data frames
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@ -115,15 +116,15 @@ func readPrometheusData(iter *jsoniter.Iterator, opt Options) backend.DataRespon
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switch resultType {
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case "matrix":
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if opt.MatrixWideSeries {
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rsp = readMatrixOrVectorWide(iter, resultType)
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rsp = readMatrixOrVectorWide(iter, resultType, opt)
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} else {
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rsp = readMatrixOrVectorMulti(iter, resultType)
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rsp = readMatrixOrVectorMulti(iter, resultType, opt)
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}
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case "vector":
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if opt.VectorWideSeries {
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rsp = readMatrixOrVectorWide(iter, resultType)
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rsp = readMatrixOrVectorWide(iter, resultType, opt)
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} else {
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rsp = readMatrixOrVectorMulti(iter, resultType)
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rsp = readMatrixOrVectorMulti(iter, resultType, opt)
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}
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case "streams":
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rsp = readStream(iter)
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@ -355,7 +356,7 @@ func readScalar(iter *jsoniter.Iterator) backend.DataResponse {
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frame := data.NewFrame("", timeField, valueField)
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frame.Meta = &data.FrameMeta{
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Type: data.FrameTypeTimeSeriesMulti,
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Type: data.FrameTypeNumericMulti,
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Custom: resultTypeToCustomMeta("scalar"),
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}
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@ -364,16 +365,25 @@ func readScalar(iter *jsoniter.Iterator) backend.DataResponse {
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}
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}
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func readMatrixOrVectorWide(iter *jsoniter.Iterator, resultType string) backend.DataResponse {
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func readMatrixOrVectorWide(iter *jsoniter.Iterator, resultType string, opt Options) backend.DataResponse {
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rowIdx := 0
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timeMap := map[int64]int{}
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timeField := data.NewFieldFromFieldType(data.FieldTypeTime, 0)
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timeField.Name = data.TimeSeriesTimeFieldName
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frame := data.NewFrame("", timeField)
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frame.Meta = &data.FrameMeta{
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frame.Meta = &data.FrameMeta{ // Overwritten if histogram
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Type: data.FrameTypeTimeSeriesWide,
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Custom: resultTypeToCustomMeta(resultType),
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}
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if opt.Dataplane && resultType == "vector" {
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frame.Meta.Type = data.FrameTypeNumericWide
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}
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if opt.Dataplane {
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frame.Meta.TypeVersion = data.FrameTypeVersion{0, 1}
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}
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rsp := backend.DataResponse{
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Frames: []*data.Frame{},
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}
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@ -390,6 +400,11 @@ func readMatrixOrVectorWide(iter *jsoniter.Iterator, resultType string) backend.
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switch l1Field {
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case "metric":
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iter.ReadVal(&valueField.Labels)
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if opt.Dataplane {
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if n, ok := valueField.Labels["__name__"]; ok {
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valueField.Name = n
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}
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}
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case "value":
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timeMap, rowIdx = addValuePairToFrame(frame, timeMap, rowIdx, iter)
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@ -472,7 +487,7 @@ func addValuePairToFrame(frame *data.Frame, timeMap map[int64]int, rowIdx int, i
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return timeMap, rowIdx
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}
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func readMatrixOrVectorMulti(iter *jsoniter.Iterator, resultType string) backend.DataResponse {
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func readMatrixOrVectorMulti(iter *jsoniter.Iterator, resultType string, opt Options) backend.DataResponse {
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rsp := backend.DataResponse{}
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for iter.ReadArray() {
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@ -488,6 +503,11 @@ func readMatrixOrVectorMulti(iter *jsoniter.Iterator, resultType string) backend
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switch l1Field {
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case "metric":
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iter.ReadVal(&valueField.Labels)
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if opt.Dataplane {
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if n, ok := valueField.Labels["__name__"]; ok {
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valueField.Name = n
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}
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}
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case "value":
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t, v, err := readTimeValuePair(iter)
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@ -548,6 +568,12 @@ func readMatrixOrVectorMulti(iter *jsoniter.Iterator, resultType string) backend
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Type: data.FrameTypeTimeSeriesMulti,
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Custom: resultTypeToCustomMeta(resultType),
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}
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if opt.Dataplane && resultType == "vector" {
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frame.Meta.Type = data.FrameTypeNumericMulti
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}
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if opt.Dataplane {
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frame.Meta.TypeVersion = data.FrameTypeVersion{0, 1}
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}
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rsp.Frames = append(rsp.Frames, frame)
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}
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}
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