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query_endpoint.go
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/
query_endpoint.go
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package tsdb
import (
"context"
"fmt"
"github.com/grafana/grafana/pkg/models"
)
type TsdbQueryEndpoint interface {
Query(ctx context.Context, ds *models.DataSource, query *TsdbQuery) (*Response, error)
}
var registry map[string]GetTsdbQueryEndpointFn
type GetTsdbQueryEndpointFn func(dsInfo *models.DataSource) (TsdbQueryEndpoint, error)
func init() {
registry = make(map[string]GetTsdbQueryEndpointFn)
}
func getTsdbQueryEndpointFor(dsInfo *models.DataSource) (TsdbQueryEndpoint, error) {
if fn, exists := registry[dsInfo.Type]; exists {
executor, err := fn(dsInfo)
if err != nil {
return nil, err
}
return executor, nil
}
return nil, fmt.Errorf("Could not find executor for data source type: %s", dsInfo.Type)
}
func RegisterTsdbQueryEndpoint(pluginId string, fn GetTsdbQueryEndpointFn) {
registry[pluginId] = fn
}