mirror of https://github.com/grafana/grafana.git
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
package api
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/grafana/grafana-plugin-sdk-go/data"
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"github.com/grafana/grafana/pkg/api/response"
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"github.com/grafana/grafana/pkg/infra/log"
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contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
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"github.com/grafana/grafana/pkg/services/ngalert/eval"
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"github.com/grafana/grafana/pkg/services/ngalert/models"
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)
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type Historian interface {
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Query(ctx context.Context, query models.HistoryQuery) (*data.Frame, error)
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}
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type HistorySrv struct {
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logger log.Logger
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hist Historian
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}
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const labelQueryPrefix = "labels_"
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func (srv *HistorySrv) RouteQueryStateHistory(c *contextmodel.ReqContext) response.Response {
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from := c.QueryInt64("from")
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to := c.QueryInt64("to")
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limit := c.QueryInt("limit")
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ruleUID := c.Query("ruleUID")
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dashUID := c.Query("dashboardUID")
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panelID := c.QueryInt64("panelID")
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previous := c.Query("previous")
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if previous != "" {
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_, err := eval.ParseStateString(previous)
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if err != nil {
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return ErrResp(http.StatusBadRequest, fmt.Errorf("invalid previous state filter: %w", err), "")
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}
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}
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current := c.Query("current")
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if current != "" {
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_, err := eval.ParseStateString(current)
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if err != nil {
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return ErrResp(http.StatusBadRequest, fmt.Errorf("invalid current state filter: %w", err), "")
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}
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}
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labels := make(map[string]string)
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for k, v := range c.Req.URL.Query() {
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if strings.HasPrefix(k, labelQueryPrefix) {
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labels[k[len(labelQueryPrefix):]] = v[0]
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}
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}
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query := models.HistoryQuery{
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RuleUID: ruleUID,
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OrgID: c.GetOrgID(),
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DashboardUID: dashUID,
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PanelID: panelID,
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Previous: previous,
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Current: current,
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SignedInUser: c.SignedInUser,
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From: time.Unix(from, 0),
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To: time.Unix(to, 0),
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Limit: limit,
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Labels: labels,
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}
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frame, err := srv.hist.Query(c.Req.Context(), query)
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if err != nil {
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return ErrResp(http.StatusInternalServerError, err, "")
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}
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return response.JSON(http.StatusOK, frame)
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}
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