grafana/pkg/tsdb/testdatasource/testdata.go
Marcus Efraimsson 043d6cd584
Backend Plugins: Convert test data source to use SDK contracts (#29916)
Converts the core testdata data source to use the SDK contracts and by that 
implementing a backend plugin in core Grafana in similar manner as an external one.

Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Marcus Efraimsson <marefr@users.noreply.github.com>
Co-authored-by: Ryan McKinley <ryantxu@gmail.com>
2021-01-29 18:33:23 +01:00

43 lines
1.2 KiB
Go

package testdatasource
import (
"net/http"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/backend/datasource"
"github.com/grafana/grafana-plugin-sdk-go/backend/resource/httpadapter"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/plugins/backendplugin"
"github.com/grafana/grafana/pkg/plugins/backendplugin/coreplugin"
"github.com/grafana/grafana/pkg/registry"
)
func init() {
registry.RegisterService(&testDataPlugin{})
}
type testDataPlugin struct {
BackendPluginManager backendplugin.Manager `inject:""`
logger log.Logger
scenarios map[string]*Scenario
queryMux *datasource.QueryTypeMux
}
func (p *testDataPlugin) Init() error {
p.logger = log.New("tsdb.testdata")
p.scenarios = map[string]*Scenario{}
p.queryMux = datasource.NewQueryTypeMux()
p.registerScenarios()
resourceMux := http.NewServeMux()
p.registerRoutes(resourceMux)
factory := coreplugin.New(backend.ServeOpts{
QueryDataHandler: p.queryMux,
CallResourceHandler: httpadapter.New(resourceMux),
})
err := p.BackendPluginManager.Register("testdata", factory)
if err != nil {
p.logger.Error("Failed to register plugin", "error", err)
}
return nil
}