mirror of
https://github.com/grafana/grafana.git
synced 2024-11-29 20:24:18 -06:00
102 lines
3.2 KiB
Go
102 lines
3.2 KiB
Go
package api
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
|
|
"github.com/grafana/grafana-plugin-sdk-go/backend"
|
|
|
|
"github.com/grafana/grafana/pkg/api/dtos"
|
|
"github.com/grafana/grafana/pkg/api/response"
|
|
"github.com/grafana/grafana/pkg/middleware/requestmeta"
|
|
contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
|
|
"github.com/grafana/grafana/pkg/services/datasources"
|
|
"github.com/grafana/grafana/pkg/services/featuremgmt"
|
|
"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
|
|
"github.com/grafana/grafana/pkg/web"
|
|
)
|
|
|
|
func (hs *HTTPServer) handleQueryMetricsError(err error) *response.NormalResponse {
|
|
if errors.Is(err, datasources.ErrDataSourceAccessDenied) {
|
|
return response.Error(http.StatusForbidden, "Access denied to data source", err)
|
|
}
|
|
if errors.Is(err, datasources.ErrDataSourceNotFound) {
|
|
return response.Error(http.StatusNotFound, "Data source not found", err)
|
|
}
|
|
if errors.Is(err, plugincontext.ErrPluginNotFound) {
|
|
return response.Error(http.StatusNotFound, "Plugin not found", err)
|
|
}
|
|
|
|
var secretsPlugin datasources.ErrDatasourceSecretsPluginUserFriendly
|
|
if errors.As(err, &secretsPlugin) {
|
|
return response.Error(http.StatusInternalServerError, fmt.Sprint("Secrets Plugin error: ", err.Error()), err)
|
|
}
|
|
|
|
return response.ErrOrFallback(http.StatusInternalServerError, "Query data error", err)
|
|
}
|
|
|
|
// QueryMetricsV2 returns query metrics.
|
|
// swagger:route POST /ds/query ds queryMetricsWithExpressions
|
|
//
|
|
// DataSource query metrics with expressions.
|
|
//
|
|
// If you are running Grafana Enterprise and have Fine-grained access control enabled
|
|
// you need to have a permission with action: `datasources:query`.
|
|
//
|
|
// Responses:
|
|
// 200: queryMetricsWithExpressionsRespons
|
|
// 207: queryMetricsWithExpressionsRespons
|
|
// 401: unauthorisedError
|
|
// 400: badRequestError
|
|
// 403: forbiddenError
|
|
// 500: internalServerError
|
|
func (hs *HTTPServer) QueryMetricsV2(c *contextmodel.ReqContext) response.Response {
|
|
reqDTO := dtos.MetricRequest{}
|
|
if err := web.Bind(c.Req, &reqDTO); err != nil {
|
|
return response.Error(http.StatusBadRequest, "bad request data", err)
|
|
}
|
|
|
|
resp, err := hs.queryDataService.QueryData(c.Req.Context(), c.SignedInUser, c.SkipDSCache, reqDTO)
|
|
if err != nil {
|
|
return hs.handleQueryMetricsError(err)
|
|
}
|
|
return hs.toJsonStreamingResponse(c.Req.Context(), resp)
|
|
}
|
|
|
|
func (hs *HTTPServer) toJsonStreamingResponse(ctx context.Context, qdr *backend.QueryDataResponse) response.Response {
|
|
statusWhenError := http.StatusBadRequest
|
|
if hs.Features.IsEnabled(featuremgmt.FlagDatasourceQueryMultiStatus) {
|
|
statusWhenError = http.StatusMultiStatus
|
|
}
|
|
|
|
statusCode := http.StatusOK
|
|
for _, res := range qdr.Responses {
|
|
if res.Error != nil {
|
|
statusCode = statusWhenError
|
|
}
|
|
}
|
|
|
|
if statusCode == statusWhenError {
|
|
// an error in the response we treat as downstream.
|
|
requestmeta.WithDownstreamStatusSource(ctx)
|
|
}
|
|
|
|
return response.JSONStreaming(statusCode, qdr)
|
|
}
|
|
|
|
// swagger:parameters queryMetricsWithExpressions
|
|
type QueryMetricsWithExpressionsBodyParams struct {
|
|
// in:body
|
|
// required:true
|
|
Body dtos.MetricRequest `json:"body"`
|
|
}
|
|
|
|
// swagger:response queryMetricsWithExpressionsRespons
|
|
type QueryMetricsWithExpressionsRespons struct {
|
|
// The response message
|
|
// in: body
|
|
Body *backend.QueryDataResponse `json:"body"`
|
|
}
|