mirror of
https://github.com/grafana/grafana.git
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624777258b
* first pass * fix tests * return errs * change signature * tidy * delete unnecessary fields from test * tidy * fix tests * simplify * separate error check in API * apply nits
95 lines
3.0 KiB
Go
95 lines
3.0 KiB
Go
package api
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import (
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"errors"
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"fmt"
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"net/http"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana/pkg/api/dtos"
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"github.com/grafana/grafana/pkg/api/response"
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contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
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"github.com/grafana/grafana/pkg/services/datasources"
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"github.com/grafana/grafana/pkg/services/featuremgmt"
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"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
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"github.com/grafana/grafana/pkg/web"
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)
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func (hs *HTTPServer) handleQueryMetricsError(err error) *response.NormalResponse {
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if errors.Is(err, datasources.ErrDataSourceAccessDenied) {
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return response.Error(http.StatusForbidden, "Access denied to data source", err)
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}
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if errors.Is(err, datasources.ErrDataSourceNotFound) {
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return response.Error(http.StatusNotFound, "Data source not found", err)
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}
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if errors.Is(err, plugincontext.ErrPluginNotFound) {
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return response.Error(http.StatusNotFound, "Plugin not found", err)
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}
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var secretsPlugin datasources.ErrDatasourceSecretsPluginUserFriendly
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if errors.As(err, &secretsPlugin) {
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return response.Error(http.StatusInternalServerError, fmt.Sprint("Secrets Plugin error: ", err.Error()), err)
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}
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return response.ErrOrFallback(http.StatusInternalServerError, "Query data error", err)
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}
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// QueryMetricsV2 returns query metrics.
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// swagger:route POST /ds/query ds queryMetricsWithExpressions
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//
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// DataSource query metrics with expressions.
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//
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// If you are running Grafana Enterprise and have Fine-grained access control enabled
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// you need to have a permission with action: `datasources:query`.
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//
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// Responses:
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// 200: queryMetricsWithExpressionsRespons
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// 207: queryMetricsWithExpressionsRespons
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// 401: unauthorisedError
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// 400: badRequestError
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// 403: forbiddenError
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// 500: internalServerError
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func (hs *HTTPServer) QueryMetricsV2(c *contextmodel.ReqContext) response.Response {
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reqDTO := dtos.MetricRequest{}
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if err := web.Bind(c.Req, &reqDTO); err != nil {
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return response.Error(http.StatusBadRequest, "bad request data", err)
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}
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resp, err := hs.queryDataService.QueryData(c.Req.Context(), c.SignedInUser, c.SkipDSCache, reqDTO)
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if err != nil {
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return hs.handleQueryMetricsError(err)
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}
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return hs.toJsonStreamingResponse(resp)
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}
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func (hs *HTTPServer) toJsonStreamingResponse(qdr *backend.QueryDataResponse) response.Response {
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statusWhenError := http.StatusBadRequest
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if hs.Features.IsEnabled(featuremgmt.FlagDatasourceQueryMultiStatus) {
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statusWhenError = http.StatusMultiStatus
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}
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statusCode := http.StatusOK
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for _, res := range qdr.Responses {
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if res.Error != nil {
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statusCode = statusWhenError
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}
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}
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return response.JSONStreaming(statusCode, qdr)
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}
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// swagger:parameters queryMetricsWithExpressions
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type QueryMetricsWithExpressionsBodyParams struct {
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// in:body
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// required:true
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Body dtos.MetricRequest `json:"body"`
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}
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// swagger:response queryMetricsWithExpressionsRespons
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type QueryMetricsWithExpressionsRespons struct {
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// The response message
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// in: body
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Body *backend.QueryDataResponse `json:"body"`
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}
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