41 lines
996 B
Go
41 lines
996 B
Go
package datasource
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import (
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"fmt"
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"time"
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"github.com/alexanderzobnin/grafana-zabbix/pkg/timeseries"
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)
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var errFunctionNotSupported = func(name string) error {
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return fmt.Errorf("function not supported: %s", name)
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}
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type DataProcessingFunc = func(series timeseries.TimeSeries, params ...string) timeseries.TimeSeries
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var funcMap map[string]DataProcessingFunc
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func init() {
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funcMap = make(map[string]DataProcessingFunc)
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funcMap["groupBy"] = applyGroupBy
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}
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func applyFunctions(series []*timeseries.TimeSeriesData, functions []QueryFunction) ([]*timeseries.TimeSeriesData, error) {
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for _, f := range functions {
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if applyFunc, ok := funcMap[f.Def.Name]; ok {
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for _, s := range series {
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s.TS = applyFunc(s.TS, f.Params...)
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}
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} else {
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err := errFunctionNotSupported(f.Def.Name)
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return series, err
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}
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}
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return series, nil
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}
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func applyGroupBy(series timeseries.TimeSeries, params ...string) timeseries.TimeSeries {
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s := series.GroupBy(time.Minute, "avg")
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return s
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}
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