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fix(prometheus): only accept matrix result

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This commit is contained in:
bergquist
2016-09-21 13:30:41 +02:00
parent ee0f1a0f36
commit 9534a04d3d
1 changed files with 15 additions and 7 deletions
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22
pkg/tsdb/prometheus/prometheus.go
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@ -2,6 +2,7 @@ package prometheus
import ( import (
"context" "context"
"fmt"
"net/http" "net/http"
"regexp" "regexp"
"strings" "strings"
@ -69,7 +70,11 @@ func (e *PrometheusExecutor) Execute(queries tsdb.QuerySlice, queryContext *tsdb
return resultWithError(result, err) return resultWithError(result, err)
} }
result.QueryResults = parseResponse(value, query) queryResult, err := parseResponse(value, query)
if err != nil {
return resultWithError(result, err)
}
result.QueryResults = queryResult
return result return result
} }
@ -125,18 +130,21 @@ func parseQuery(queries tsdb.QuerySlice, queryContext *tsdb.QueryContext) (*Prom
}, nil }, nil
} }
func parseResponse(value pmodel.Value, query *PrometheusQuery) map[string]*tsdb.QueryResult { func parseResponse(value pmodel.Value, query *PrometheusQuery) (map[string]*tsdb.QueryResult, error) {
queryResults := make(map[string]*tsdb.QueryResult) queryResults := make(map[string]*tsdb.QueryResult)
queryRes := &tsdb.QueryResult{} queryRes := &tsdb.QueryResult{}
data := value.(pmodel.Matrix) data, ok := value.(pmodel.Matrix)
if !ok {
return queryResults, fmt.Errorf("Unsupported result format: %s", value.Type().String())
}
for _, v := range data { for _, v := range data {
var points [][2]*float64 var points [][2]*float64
for _, k := range v.Values { for _, k := range v.Values {
dummie := float64(k.Timestamp) timestamp := float64(k.Timestamp)
d2 := float64(k.Value) val := float64(k.Value)
points = append(points, [2]*float64{&d2, &dummie}) points = append(points, [2]*float64{&val, &timestamp})
} }
queryRes.Series = append(queryRes.Series, &tsdb.TimeSeries{ queryRes.Series = append(queryRes.Series, &tsdb.TimeSeries{
@ -146,7 +154,7 @@ func parseResponse(value pmodel.Value, query *PrometheusQuery) map[string]*tsdb.
} }
queryResults["A"] = queryRes queryResults["A"] = queryRes
return queryResults return queryResults, nil
} }
func resultWithError(result *tsdb.BatchResult, err error) *tsdb.BatchResult { func resultWithError(result *tsdb.BatchResult, err error) *tsdb.BatchResult {