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Golang metric.NewLabelMatcher函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/prometheus/prometheus/storage/metric.NewLabelMatcher函数的典型用法代码示例。如果您正苦于以下问题:Golang NewLabelMatcher函数的具体用法?Golang NewLabelMatcher怎么用?Golang NewLabelMatcher使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了NewLabelMatcher函数的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: mustLabelMatcher

func mustLabelMatcher(mt metric.MatchType, name model.LabelName, val model.LabelValue) *metric.LabelMatcher {
	m, err := metric.NewLabelMatcher(mt, name, val)
	if err != nil {
		panic(err)
	}
	return m
}
开发者ID:PrFalken,项目名称:prometheus,代码行数:7,代码来源:parse_test.go


示例2: BenchmarkGetFingerprintsForNotEqualMatcher1000

func BenchmarkGetFingerprintsForNotEqualMatcher1000(b *testing.B) {
	numSeries := 1000
	samples := make(clientmodel.Samples, 0, numSeries)
	for i := 0; i < numSeries; i++ {
		samples = append(samples, &clientmodel.Sample{
			Metric: clientmodel.Metric{
				clientmodel.MetricNameLabel: "testmetric",
				"instance":                  clientmodel.LabelValue(fmt.Sprint("instance_", i)),
			},
			Value:     1,
			Timestamp: clientmodel.TimestampFromTime(time.Date(2000, 0, 0, 0, 0, 0, 0, time.UTC)),
		})
	}

	s := NewMemorySeriesStorage(MemorySeriesOptions{})
	if err := s.AppendSamples(samples); err != nil {
		b.Fatal(err)
	}

	m, err := metric.NewLabelMatcher(metric.NotEqual, "instance", "foo")
	if err != nil {
		b.Fatal(err)
	}

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		s.GetFingerprintsForLabelMatchers(metric.LabelMatchers{m})
	}
}
开发者ID:pjjw,项目名称:prometheus,代码行数:29,代码来源:memory_test.go


示例3: newLabelMatcher

func newLabelMatcher(matchTypeStr string, name clientmodel.LabelName, value clientmodel.LabelValue) (*metric.LabelMatcher, error) {
	matchTypes := map[string]metric.MatchType{
		"=":  metric.Equal,
		"!=": metric.NotEqual,
		"=~": metric.RegexMatch,
		"!~": metric.RegexNoMatch,
	}
	matchType, ok := matchTypes[matchTypeStr]
	if !ok {
		return nil, fmt.Errorf("Invalid label matching operator \"%v\"", matchTypeStr)
	}
	return metric.NewLabelMatcher(matchType, name, value)
}
开发者ID:pjjw,项目名称:prometheus,代码行数:13,代码来源:helpers.go


示例4: vectorSelector

// vectorSelector parses a new (instant) vector selector.
//
//		<metric_identifier> [<label_matchers>]
//		[<metric_identifier>] <label_matchers>
//
func (p *parser) vectorSelector(name string) *VectorSelector {
	const ctx = "metric selector"

	var matchers metric.LabelMatchers
	// Parse label matching if any.
	if t := p.peek(); t.typ == itemLeftBrace {
		matchers = p.labelMatchers(itemEQL, itemNEQ, itemEQLRegex, itemNEQRegex)
	}
	// Metric name must not be set in the label matchers and before at the same time.
	if name != "" {
		for _, m := range matchers {
			if m.Name == model.MetricNameLabel {
				p.errorf("metric name must not be set twice: %q or %q", name, m.Value)
			}
		}
		// Set name label matching.
		matchers = append(matchers, &metric.LabelMatcher{
			Type:  metric.Equal,
			Name:  model.MetricNameLabel,
			Value: model.LabelValue(name),
		})
	}

	if len(matchers) == 0 {
		p.errorf("vector selector must contain label matchers or metric name")
	}
	// A vector selector must contain at least one non-empty matcher to prevent
	// implicit selection of all metrics (e.g. by a typo).
	notEmpty := false
	for _, lm := range matchers {
		// Matching changes the inner state of the regex and causes reflect.DeepEqual
		// to return false, which break tests.
		// Thus, we create a new label matcher for this testing.
		lm, err := metric.NewLabelMatcher(lm.Type, lm.Name, lm.Value)
		if err != nil {
			p.error(err)
		}
		if !lm.Match("") {
			notEmpty = true
			break
		}
	}
	if !notEmpty {
		p.errorf("vector selector must contain at least one non-empty matcher")
	}

	return &VectorSelector{
		Name:          name,
		LabelMatchers: matchers,
	}
}
开发者ID:DalianDragon,项目名称:prometheus,代码行数:56,代码来源:parse.go


示例5: vectorSelector

// vectorSelector parses a new (instant) vector selector.
//
//		<metric_identifier> [<label_matchers>]
//		[<metric_identifier>] <label_matchers>
//
func (p *parser) vectorSelector(name string) *VectorSelector {
	var matchers metric.LabelMatchers
	// Parse label matching if any.
	if t := p.peek(); t.typ == itemLeftBrace {
		matchers = p.labelMatchers(itemEQL, itemNEQ, itemEQLRegex, itemNEQRegex)
	}
	// Metric name must not be set in the label matchers and before at the same time.
	if name != "" {
		for _, m := range matchers {
			if m.Name == model.MetricNameLabel {
				p.errorf("metric name must not be set twice: %q or %q", name, m.Value)
			}
		}
		// Set name label matching.
		m, err := metric.NewLabelMatcher(metric.Equal, model.MetricNameLabel, model.LabelValue(name))
		if err != nil {
			panic(err) // Must not happen with metric.Equal.
		}
		matchers = append(matchers, m)
	}

	if len(matchers) == 0 {
		p.errorf("vector selector must contain label matchers or metric name")
	}
	// A vector selector must contain at least one non-empty matcher to prevent
	// implicit selection of all metrics (e.g. by a typo).
	notEmpty := false
	for _, lm := range matchers {
		if !lm.MatchesEmptyString() {
			notEmpty = true
			break
		}
	}
	if !notEmpty {
		p.errorf("vector selector must contain at least one non-empty matcher")
	}

	return &VectorSelector{
		Name:          name,
		LabelMatchers: matchers,
	}
}
开发者ID:PrFalken,项目名称:prometheus,代码行数:47,代码来源:parse.go


示例6: labelMatchers

// labelMatchers parses a set of label matchers.
//
//		'{' [ <labelname> <match_op> <match_string>, ... ] '}'
//
func (p *parser) labelMatchers(operators ...itemType) metric.LabelMatchers {
	const ctx = "label matching"

	matchers := metric.LabelMatchers{}

	p.expect(itemLeftBrace, ctx)

	// Check if no matchers are provided.
	if p.peek().typ == itemRightBrace {
		p.next()
		return matchers
	}

	for {
		label := p.expect(itemIdentifier, ctx)

		op := p.next().typ
		if !op.isOperator() {
			p.errorf("expected label matching operator but got %s", op)
		}
		var validOp = false
		for _, allowedOp := range operators {
			if op == allowedOp {
				validOp = true
			}
		}
		if !validOp {
			p.errorf("operator must be one of %q, is %q", operators, op)
		}

		val := trimOne(p.expect(itemString, ctx).val)

		// Map the item to the respective match type.
		var matchType metric.MatchType
		switch op {
		case itemEQL:
			matchType = metric.Equal
		case itemNEQ:
			matchType = metric.NotEqual
		case itemEQLRegex:
			matchType = metric.RegexMatch
		case itemNEQRegex:
			matchType = metric.RegexNoMatch
		default:
			p.errorf("item %q is not a metric match type", op)
		}

		m, err := metric.NewLabelMatcher(
			matchType,
			model.LabelName(label.val),
			model.LabelValue(val),
		)
		if err != nil {
			p.error(err)
		}

		matchers = append(matchers, m)

		// Terminate list if last matcher.
		if p.peek().typ != itemComma {
			break
		}
		p.next()
	}

	p.expect(itemRightBrace, ctx)

	return matchers
}
开发者ID:nickolyamba,项目名称:prometheus,代码行数:73,代码来源:parse.go


示例7: TestMatches

func TestMatches(t *testing.T) {
	storage, closer := NewTestStorage(t, 1)
	defer closer.Close()

	samples := make([]*model.Sample, 100)
	fingerprints := make(model.Fingerprints, 100)

	for i := range samples {
		metric := model.Metric{
			model.MetricNameLabel: model.LabelValue(fmt.Sprintf("test_metric_%d", i)),
			"label1":              model.LabelValue(fmt.Sprintf("test_%d", i/10)),
			"label2":              model.LabelValue(fmt.Sprintf("test_%d", (i+5)/10)),
			"all":                 "const",
		}
		samples[i] = &model.Sample{
			Metric:    metric,
			Timestamp: model.Time(i),
			Value:     model.SampleValue(i),
		}
		fingerprints[i] = metric.FastFingerprint()
	}
	for _, s := range samples {
		storage.Append(s)
	}
	storage.WaitForIndexing()

	newMatcher := func(matchType metric.MatchType, name model.LabelName, value model.LabelValue) *metric.LabelMatcher {
		lm, err := metric.NewLabelMatcher(matchType, name, value)
		if err != nil {
			t.Fatalf("error creating label matcher: %s", err)
		}
		return lm
	}

	var matcherTests = []struct {
		matchers metric.LabelMatchers
		expected model.Fingerprints
	}{
		{
			matchers: metric.LabelMatchers{newMatcher(metric.Equal, "label1", "x")},
			expected: model.Fingerprints{},
		},
		{
			matchers: metric.LabelMatchers{newMatcher(metric.Equal, "label1", "test_0")},
			expected: fingerprints[:10],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "label1", "test_0"),
				newMatcher(metric.Equal, "label2", "test_1"),
			},
			expected: fingerprints[5:10],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "x"),
			},
			expected: fingerprints,
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "test_0"),
			},
			expected: fingerprints[10:],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "test_0"),
				newMatcher(metric.NotEqual, "label1", "test_1"),
				newMatcher(metric.NotEqual, "label1", "test_2"),
			},
			expected: fingerprints[30:],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "label1", ""),
			},
			expected: fingerprints[:0],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.NotEqual, "label1", "test_0"),
				newMatcher(metric.Equal, "label1", ""),
			},
			expected: fingerprints[:0],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.NotEqual, "label1", "test_0"),
				newMatcher(metric.Equal, "label2", ""),
			},
			expected: fingerprints[:0],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "test_0"),
//.........这里部分代码省略.........
开发者ID:brutus333,项目名称:prometheus,代码行数:101,代码来源:storage_test.go


示例8: BenchmarkLabelMatching

func BenchmarkLabelMatching(b *testing.B) {
	s, closer := NewTestStorage(b, 1)
	defer closer.Close()

	h := fnv.New64a()
	lbl := func(x int) model.LabelValue {
		h.Reset()
		h.Write([]byte(fmt.Sprintf("%d", x)))
		return model.LabelValue(fmt.Sprintf("%d", h.Sum64()))
	}

	M := 32
	met := model.Metric{}
	for i := 0; i < M; i++ {
		met["label_a"] = lbl(i)
		for j := 0; j < M; j++ {
			met["label_b"] = lbl(j)
			for k := 0; k < M; k++ {
				met["label_c"] = lbl(k)
				for l := 0; l < M; l++ {
					met["label_d"] = lbl(l)
					s.Append(&model.Sample{
						Metric:    met.Clone(),
						Timestamp: 0,
						Value:     1,
					})
				}
			}
		}
	}
	s.WaitForIndexing()

	newMatcher := func(matchType metric.MatchType, name model.LabelName, value model.LabelValue) *metric.LabelMatcher {
		lm, err := metric.NewLabelMatcher(matchType, name, value)
		if err != nil {
			b.Fatalf("error creating label matcher: %s", err)
		}
		return lm
	}

	var matcherTests = []metric.LabelMatchers{
		{
			newMatcher(metric.Equal, "label_a", lbl(1)),
		},
		{
			newMatcher(metric.Equal, "label_a", lbl(3)),
			newMatcher(metric.Equal, "label_c", lbl(3)),
		},
		{
			newMatcher(metric.Equal, "label_a", lbl(3)),
			newMatcher(metric.Equal, "label_c", lbl(3)),
			newMatcher(metric.NotEqual, "label_d", lbl(3)),
		},
		{
			newMatcher(metric.Equal, "label_a", lbl(3)),
			newMatcher(metric.Equal, "label_b", lbl(3)),
			newMatcher(metric.Equal, "label_c", lbl(3)),
			newMatcher(metric.NotEqual, "label_d", lbl(3)),
		},
		{
			newMatcher(metric.RegexMatch, "label_a", ".+"),
		},
		{
			newMatcher(metric.Equal, "label_a", lbl(3)),
			newMatcher(metric.RegexMatch, "label_a", ".+"),
		},
		{
			newMatcher(metric.Equal, "label_a", lbl(1)),
			newMatcher(metric.RegexMatch, "label_c", "("+lbl(3)+"|"+lbl(10)+")"),
		},
		{
			newMatcher(metric.Equal, "label_a", lbl(3)),
			newMatcher(metric.Equal, "label_a", lbl(4)),
			newMatcher(metric.RegexMatch, "label_c", "("+lbl(3)+"|"+lbl(10)+")"),
		},
	}

	b.ReportAllocs()
	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		benchLabelMatchingRes = map[model.Fingerprint]metric.Metric{}
		for _, mt := range matcherTests {
			benchLabelMatchingRes = s.MetricsForLabelMatchers(mt...)
		}
	}
	// Stop timer to not count the storage closing.
	b.StopTimer()
}
开发者ID:brutus333,项目名称:prometheus,代码行数:89,代码来源:storage_test.go


示例9: GetFingerprintsForLabelSetTests

func GetFingerprintsForLabelSetTests(p metric.Persistence, t test.Tester) {
	metrics := []clientmodel.Metric{
		{
			clientmodel.MetricNameLabel: "test_metric",
			"method":                    "get",
			"result":                    "success",
		},
		{
			clientmodel.MetricNameLabel: "test_metric",
			"method":                    "get",
			"result":                    "failure",
		},
		{
			clientmodel.MetricNameLabel: "test_metric",
			"method":                    "post",
			"result":                    "success",
		},
		{
			clientmodel.MetricNameLabel: "test_metric",
			"method":                    "post",
			"result":                    "failure",
		},
	}

	newTestLabelMatcher := func(matchType metric.MatchType, name clientmodel.LabelName, value clientmodel.LabelValue) *metric.LabelMatcher {
		m, err := metric.NewLabelMatcher(matchType, name, value)
		if err != nil {
			t.Fatalf("Couldn't create label matcher: %v", err)
		}
		return m
	}

	scenarios := []struct {
		in         metric.LabelMatchers
		outIndexes []int
	}{
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "test_metric"),
			},
			outIndexes: []int{0, 1, 2, 3},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "non_existent_metric"),
			},
			outIndexes: []int{},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "non_existent_metric"),
				newTestLabelMatcher(metric.Equal, "result", "success"),
			},
			outIndexes: []int{},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "test_metric"),
				newTestLabelMatcher(metric.Equal, "result", "success"),
			},
			outIndexes: []int{0, 2},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "test_metric"),
				newTestLabelMatcher(metric.NotEqual, "result", "success"),
			},
			outIndexes: []int{1, 3},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "test_metric"),
				newTestLabelMatcher(metric.RegexMatch, "result", "foo|success|bar"),
			},
			outIndexes: []int{0, 2},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "test_metric"),
				newTestLabelMatcher(metric.RegexNoMatch, "result", "foo|success|bar"),
			},
			outIndexes: []int{1, 3},
		},
		{
			in: metric.LabelMatchers{
				newTestLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, "test_metric"),
				newTestLabelMatcher(metric.RegexNoMatch, "result", "foo|success|bar"),
				newTestLabelMatcher(metric.RegexMatch, "method", "os"),
			},
			outIndexes: []int{3},
		},
	}

	for _, m := range metrics {
		testAppendSamples(p, &clientmodel.Sample{
			Value:     0,
			Timestamp: 0,
			Metric:    m,
		}, t)
	}
//.........这里部分代码省略.........
开发者ID:pjjw,项目名称:prometheus,代码行数:101,代码来源:end_to_end_test.go


示例10: TestMatches

func TestMatches(t *testing.T) {
	storage, closer := NewTestStorage(t, 2)
	defer closer.Close()

	storage.archiveHighWatermark = 90
	samples := make([]*model.Sample, 100)
	fingerprints := make(model.Fingerprints, 100)

	for i := range samples {
		metric := model.Metric{
			model.MetricNameLabel: model.LabelValue(fmt.Sprintf("test_metric_%d", i)),
			"label1":              model.LabelValue(fmt.Sprintf("test_%d", i/10)),
			"label2":              model.LabelValue(fmt.Sprintf("test_%d", (i+5)/10)),
			"all":                 "const",
		}
		samples[i] = &model.Sample{
			Metric:    metric,
			Timestamp: model.Time(i),
			Value:     model.SampleValue(i),
		}
		fingerprints[i] = metric.FastFingerprint()
	}
	for _, s := range samples {
		storage.Append(s)
	}
	storage.WaitForIndexing()

	// Archive every tenth metric.
	for i, fp := range fingerprints {
		if i%10 != 0 {
			continue
		}
		s, ok := storage.fpToSeries.get(fp)
		if !ok {
			t.Fatal("could not retrieve series for fp", fp)
		}
		storage.fpLocker.Lock(fp)
		storage.persistence.archiveMetric(fp, s.metric, s.firstTime(), s.lastTime)
		storage.fpLocker.Unlock(fp)
	}

	newMatcher := func(matchType metric.MatchType, name model.LabelName, value model.LabelValue) *metric.LabelMatcher {
		lm, err := metric.NewLabelMatcher(matchType, name, value)
		if err != nil {
			t.Fatalf("error creating label matcher: %s", err)
		}
		return lm
	}

	var matcherTests = []struct {
		matchers metric.LabelMatchers
		expected model.Fingerprints
	}{
		{
			matchers: metric.LabelMatchers{newMatcher(metric.Equal, "label1", "x")},
			expected: model.Fingerprints{},
		},
		{
			matchers: metric.LabelMatchers{newMatcher(metric.Equal, "label1", "test_0")},
			expected: fingerprints[:10],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "label1", "test_0"),
				newMatcher(metric.Equal, "label2", "test_1"),
			},
			expected: fingerprints[5:10],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "x"),
			},
			expected: fingerprints,
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "test_0"),
			},
			expected: fingerprints[10:],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "all", "const"),
				newMatcher(metric.NotEqual, "label1", "test_0"),
				newMatcher(metric.NotEqual, "label1", "test_1"),
				newMatcher(metric.NotEqual, "label1", "test_2"),
			},
			expected: fingerprints[30:],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.Equal, "label1", ""),
			},
			expected: fingerprints[:0],
		},
		{
			matchers: metric.LabelMatchers{
				newMatcher(metric.NotEqual, "label1", "test_0"),
//.........这里部分代码省略.........
开发者ID:yershalom,项目名称:prometheus,代码行数:101,代码来源:storage_test.go


示例11: TestReaderWriterDeadlockRegression

func TestReaderWriterDeadlockRegression(t *testing.T) {
	mp := runtime.GOMAXPROCS(2)
	defer func(mp int) {
		runtime.GOMAXPROCS(mp)
	}(mp)

	s := NewMemorySeriesStorage(MemorySeriesOptions{})
	lms := metric.LabelMatchers{}

	for i := 0; i < 100; i++ {
		lm, err := metric.NewLabelMatcher(metric.NotEqual, clientmodel.MetricNameLabel, "testmetric")
		if err != nil {
			t.Fatal(err)
		}
		lms = append(lms, lm)
	}

	wg := sync.WaitGroup{}
	wg.Add(2)

	start := time.Now()
	runDuration := 250 * time.Millisecond

	writer := func() {
		for time.Since(start) < runDuration {
			s.AppendSamples(clientmodel.Samples{
				&clientmodel.Sample{
					Metric: clientmodel.Metric{
						clientmodel.MetricNameLabel: "testmetric",
					},
					Value:     1,
					Timestamp: 0,
				},
			})
		}
		wg.Done()
	}

	reader := func() {
		for time.Since(start) < runDuration {
			s.GetFingerprintsForLabelMatchers(lms)
		}
		wg.Done()
	}

	go reader()
	go writer()

	allDone := make(chan struct{})
	go func() {
		wg.Wait()
		allDone <- struct{}{}
	}()

	select {
	case <-allDone:
		break
	case <-time.NewTimer(5 * time.Second).C:
		t.Fatalf("Deadlock timeout")
	}
}
开发者ID:pjjw,项目名称:prometheus,代码行数:61,代码来源:memory_test.go


示例12: yyParse


//.........这里部分代码省略.........
		//line parser.y:138
		{
			yyVAL.labelMatchers = append(yyVAL.labelMatchers, yyS[yypt-0].labelMatcher)
		}
	case 25:
		//line parser.y:142
		{
			var err error
			yyVAL.labelMatcher, err = newLabelMatcher(yyS[yypt-1].str, clientmodel.LabelName(yyS[yypt-2].str), clientmodel.LabelValue(yyS[yypt-0].str))
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 26:
		//line parser.y:150
		{
			yyVAL.str = "="
		}
	case 27:
		//line parser.y:152
		{
			yyVAL.str = yyS[yypt-0].str
		}
	case 28:
		//line parser.y:156
		{
			yyVAL.ruleNode = yyS[yypt-1].ruleNode
		}
	case 29:
		//line parser.y:158
		{
			var err error
			m, err := metric.NewLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, clientmodel.LabelValue(yyS[yypt-1].str))
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
			yyS[yypt-0].labelMatchers = append(yyS[yypt-0].labelMatchers, m)
			yyVAL.ruleNode = ast.NewVectorSelector(yyS[yypt-0].labelMatchers)
		}
	case 30:
		//line parser.y:166
		{
			var err error
			yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-3].str, yyS[yypt-1].ruleNodeSlice)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 31:
		//line parser.y:172
		{
			var err error
			yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-2].str, []ast.Node{})
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 32:
		//line parser.y:178
		{
			var err error
			yyVAL.ruleNode, err = NewMatrixSelector(yyS[yypt-3].ruleNode, yyS[yypt-1].str)
开发者ID:pjjw,项目名称:prometheus,代码行数:67,代码来源:parser.y.go



注:本文中的github.com/prometheus/prometheus/storage/metric.NewLabelMatcher函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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