app/vmselect: show query origin (aka remote_addr or client address) on the /api/v1/status/active_queries page for every query

app/vmselect/prometheus/prometheus.go

@@ -774,6 +774,7 @@ func QueryHandler(startTime time.Time, at *auth.Token, w http.ResponseWriter, r
 		Start:         start,
 		End:           start,
 		Step:          step,
+		RemoteAddr:    r.RemoteAddr,
 		Deadline:      deadline,
 		LookbackDelta: lookbackDelta,
 
@@ -861,6 +862,7 @@ func queryRangeHandler(startTime time.Time, at *auth.Token, w http.ResponseWrite
 		Start:         start,
 		End:           end,
 		Step:          step,
+		RemoteAddr:    r.RemoteAddr,
 		Deadline:      deadline,
 		MayCache:      mayCache,
 		LookbackDelta: lookbackDelta,

app/vmselect/promql/active_queries.go

@@ -20,8 +20,8 @@ func WriteActiveQueries(w io.Writer) {
 	now := time.Now()
 	for _, aqe := range aqes {
 		d := now.Sub(aqe.startTime)
-		fmt.Fprintf(w, "\tduration: %.3fs, id=%016X, accountID=%d, projectID=%d, query=%q, start=%d, end=%d, step=%d\n",
-			d.Seconds(), aqe.qid, aqe.accountID, aqe.projectID, aqe.q, aqe.start, aqe.end, aqe.step)
+		fmt.Fprintf(w, "\tduration: %.3fs, id=%016X, remote_addr=%q, accountID=%d, projectID=%d, query=%q, start=%d, end=%d, step=%d\n",
+			d.Seconds(), aqe.qid, aqe.remoteAddr, aqe.accountID, aqe.projectID, aqe.q, aqe.start, aqe.end, aqe.step)
 	}
 }
 
@@ -33,14 +33,15 @@ type activeQueries struct {
 }
 
 type activeQueryEntry struct {
-	accountID uint32
-	projectID uint32
-	start     int64
-	end       int64
-	step      int64
-	qid       uint64
-	q         string
-	startTime time.Time
+	accountID  uint32
+	projectID  uint32
+	start      int64
+	end        int64
+	step       int64
+	qid        uint64
+	remoteAddr string
+	q          string
+	startTime  time.Time
 }
 
 func newActiveQueries() *activeQueries {
@@ -57,6 +58,7 @@ func (aq *activeQueries) Add(ec *EvalConfig, q string) uint64 {
 	aqe.end = ec.End
 	aqe.step = ec.Step
 	aqe.qid = atomic.AddUint64(&nextActiveQueryID, 1)
+	aqe.remoteAddr = ec.RemoteAddr
 	aqe.q = q
 	aqe.startTime = time.Now()
 

app/vmselect/promql/eval.go

@@ -77,7 +77,8 @@ type EvalConfig struct {
 	End       int64
 	Step      int64
 
-	Deadline netstorage.Deadline
+	RemoteAddr string
+	Deadline   netstorage.Deadline
 
 	MayCache bool