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Merge pull request #1201 from prometheus/re 

Anchor regexes in vector matching
This commit is contained in:
Fabian Reinartz 2015-11-05 12:09:10 +01:00
parent f34c0fc81e 33aab4169c
commit 69dd9ecd23
4 changed files with 42 additions and 10 deletions
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10
promql/testdata/legacy.test vendored
View File

@ -226,20 +226,20 @@ eval instant at 50m http_requests{group!="canary"}
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="production", instance="0", job="api-server"} 100
eval instant at 50m http_requests{job=~"server",group!="canary"}
eval instant at 50m http_requests{job=~".+-server",group!="canary"}
http_requests{group="production", instance="1", job="app-server"} 600
http_requests{group="production", instance="0", job="app-server"} 500
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="production", instance="0", job="api-server"} 100
eval instant at 50m http_requests{job!~"api",group!="canary"}
eval instant at 50m http_requests{job!~"api-.+",group!="canary"}
http_requests{group="production", instance="1", job="app-server"} 600
http_requests{group="production", instance="0", job="app-server"} 500
eval instant at 50m count_scalar(http_requests{job=~"^server$"})
eval instant at 50m count_scalar(http_requests{job=~"server"})
0
eval instant at 50m http_requests{group="production",job=~"^api"}
eval instant at 50m http_requests{group="production",job=~"api-.+"}
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="production", instance="1", job="api-server"} 200
@ -357,7 +357,7 @@ eval instant at 50m {__name__=~".+"}
cpu_count{instance="0", type="numa"} 300
eval instant at 50m {job=~"server", job!~"api"}
eval instant at 50m {job=~".+-server", job!~"api-.+"}
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="production", instance="0", job="app-server"} 500

2
storage/metric/matcher.go
View File

@ -63,7 +63,7 @@ func NewLabelMatcher(matchType MatchType, name model.LabelName, value model.Labe
Value: value,
}
if matchType == RegexMatch || matchType == RegexNoMatch {
re, err := regexp.Compile(string(value))
re, err := regexp.Compile("^(?:" + string(value) + ")$")
if err != nil {
return nil, err
}

32
storage/metric/matcher_test.go Normal file
View File

@ -0,0 +1,32 @@
// Copyright 2014 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metric
import (
"testing"
)
func TestAnchoredMatcher(t *testing.T) {
m, err := NewLabelMatcher(RegexMatch, "", "foo|bar|baz")
if err != nil {
t.Fatal(err)
}
if !m.Match("foo") {
t.Errorf("Expected match for %q but got none", "foo")
}
if m.Match("fooo") {
t.Errorf("Unexpected match for %q", "fooo")
}
}

8
web/api/v1/api_test.go
View File

@ -210,7 +210,7 @@ func TestEndpoints(t *testing.T) {
{
endpoint: api.series,
query: url.Values{
"match[]": []string{`test_metric1{foo=~"o$"}`},
"match[]": []string{`test_metric1{foo=~".+o"}`},
},
response: []model.Metric{
{
@ -222,7 +222,7 @@ func TestEndpoints(t *testing.T) {
{
endpoint: api.series,
query: url.Values{
"match[]": []string{`test_metric1{foo=~"o$"}`, `test_metric1{foo=~"o$"}`},
"match[]": []string{`test_metric1{foo=~"o$"}`, `test_metric1{foo=~".+o"}`},
},
response: []model.Metric{
{
@ -234,7 +234,7 @@ func TestEndpoints(t *testing.T) {
{
endpoint: api.series,
query: url.Values{
"match[]": []string{`test_metric1{foo=~"o$"}`, `none`},
"match[]": []string{`test_metric1{foo=~".+o"}`, `none`},
},
response: []model.Metric{
{
@ -257,7 +257,7 @@ func TestEndpoints(t *testing.T) {
{
endpoint: api.dropSeries,
query: url.Values{
"match[]": []string{`test_metric1{foo=~"o$"}`},
"match[]": []string{`test_metric1{foo=~".+o"}`},
},
response: struct {
NumDeleted int `json:"numDeleted"`