mirror of https://github.com/grafana/grafana.git
54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
package mysql
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import (
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"context"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana-plugin-sdk-go/backend/datasource"
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"github.com/grafana/grafana-plugin-sdk-go/backend/instancemgmt"
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"github.com/grafana/grafana-plugin-sdk-go/backend/log"
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"github.com/grafana/grafana/pkg/tsdb/mysql/sqleng"
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)
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type Service struct {
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im instancemgmt.InstanceManager
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logger log.Logger
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}
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func ProvideService() *Service {
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logger := backend.NewLoggerWith("logger", "tsdb.mysql")
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return &Service{
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im: datasource.NewInstanceManager(NewInstanceSettings(logger)),
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logger: logger,
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}
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}
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func (s *Service) getDataSourceHandler(ctx context.Context, pluginCtx backend.PluginContext) (*sqleng.DataSourceHandler, error) {
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i, err := s.im.Get(ctx, pluginCtx)
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if err != nil {
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return nil, err
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}
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instance := i.(*sqleng.DataSourceHandler)
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return instance, nil
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}
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// NOTE: do not put any business logic into this method. it's whole job is to forward the call "inside"
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func (s *Service) CheckHealth(ctx context.Context, req *backend.CheckHealthRequest) (*backend.CheckHealthResult, error) {
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dsHandler, err := s.getDataSourceHandler(ctx, req.PluginContext)
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if err != nil {
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return &backend.CheckHealthResult{Status: backend.HealthStatusError, Message: err.Error()}, nil
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}
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return dsHandler.CheckHealth(ctx, req)
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}
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// NOTE: do not put any business logic into this method. it's whole job is to forward the call "inside"
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func (s *Service) QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
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dsHandler, err := s.getDataSourceHandler(ctx, req.PluginContext)
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if err != nil {
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return nil, err
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}
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return dsHandler.QueryData(ctx, req)
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}
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