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Alerting: Add label query parameters to state history endpoint (#62831)

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* Allow equality-only matching of arbitrary labels via query params

* Pre-initialize map
This commit is contained in:
Alexander Weaver 2023-02-02 16:52:08 -06:00 committed by GitHub
parent 70c1850888
commit 9eeea8f5ea
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1 changed files with 14 additions and 2 deletions
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16
pkg/services/ngalert/api/api_ruler_history.go
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@ -3,6 +3,7 @@ package api
import (
"context"
"net/http"
"strings"
"time"
"github.com/grafana/grafana-plugin-sdk-go/data"
@ -21,16 +22,27 @@ type HistorySrv struct {
hist Historian
}
const labelQueryPrefix = "labels_"
func (srv *HistorySrv) RouteQueryStateHistory(c *contextmodel.ReqContext) response.Response {
from := c.QueryInt64("from")
to := c.QueryInt64("to")
ruleUID := c.Query("ruleUID")
labels := make(map[string]string)
for k, v := range c.Req.URL.Query() {
if strings.HasPrefix(k, labelQueryPrefix) {
labels[k[len(labelQueryPrefix):]] = v[0]
}
}
query := models.HistoryQuery{
RuleUID: c.Query("ruleUID"),
RuleUID: ruleUID,
OrgID: c.OrgID,
SignedInUser: c.SignedInUser,
From: time.Unix(from, 0),
To: time.Unix(to, 0),
Labels: map[string]string{}, // TODO, not supported by all backends yet.
Labels: labels,
}
frame, err := srv.hist.QueryStates(c.Req.Context(), query)
if err != nil {