コード例 #1
0
ファイル: reading.go プロジェクト: grobie/prometheus
func (l *LevelDBMetricPersistence) GetMetricForFingerprint(f *model.Fingerprint) (m *model.Metric, err error) {
	begin := time.Now()

	defer func() {
		duration := time.Now().Sub(begin)

		recordOutcome(storageOperations, storageLatency, duration, err, map[string]string{operation: getMetricForFingerprint, result: success}, map[string]string{operation: getMetricForFingerprint, result: failure})
	}()

	raw, err := l.fingerprintToMetrics.Get(coding.NewProtocolBufferEncoder(model.FingerprintToDTO(f)))
	if err != nil {
		return
	}

	unmarshaled := &dto.Metric{}
	err = proto.Unmarshal(raw, unmarshaled)
	if err != nil {
		return
	}

	m = &model.Metric{}
	for _, v := range unmarshaled.LabelPair {
		(*m)[model.LabelName(*v.Name)] = model.LabelValue(*v.Value)
	}

	return
}
コード例 #2
0
ファイル: regressions_test.go プロジェクト: grobie/prometheus
func TestGetFingerprintsForLabelSetUsesAnd(t *testing.T) {
	temporaryDirectory, _ := ioutil.TempDir("", "test_get_fingerprints_for_label_set_uses_and")

	defer func() {
		err := os.RemoveAll(temporaryDirectory)
		if err != nil {
			t.Errorf("could not remove temporary directory: %f", err)
		}
	}()

	persistence, _ := NewLevelDBMetricPersistence(temporaryDirectory)
	defer persistence.Close()

	metrics := []map[string]string{
		{"name": "request_metrics_latency_equal_tallying_microseconds", "instance": "http://localhost:9090/metrics.json", "percentile": "0.010000"},
		{"name": "requests_metrics_latency_equal_accumulating_microseconds", "instance": "http://localhost:9090/metrics.json", "percentile": "0.010000"},
		{"name": "requests_metrics_latency_logarithmic_accumulating_microseconds", "instance": "http://localhost:9090/metrics.json", "percentile": "0.010000"},
		{"name": "requests_metrics_latency_logarithmic_tallying_microseconds", "instance": "http://localhost:9090/metrics.json", "percentile": "0.010000"},
		{"name": "targets_healthy_scrape_latency_ms", "instance": "http://localhost:9090/metrics.json", "percentile": "0.010000"},
	}

	for _, metric := range metrics {
		m := model.Metric{}

		for k, v := range metric {
			m[model.LabelName(k)] = model.LabelValue(v)
		}

		err := persistence.AppendSample(&model.Sample{
			Value:     model.SampleValue(0.0),
			Timestamp: time.Now(),
			Metric:    m,
		})

		if err != nil {
			t.Errorf("could not create base sample: %s", err)
		}
	}

	labelSet := model.LabelSet{
		"name":       "targets_healthy_scrape_latency_ms",
		"percentile": "0.010000",
	}

	fingerprints, err := persistence.GetFingerprintsForLabelSet(&labelSet)
	if err != nil {
		t.Errorf("could not get labels: %s", err)
	}

	if len(fingerprints) != 1 {
		t.Errorf("did not get a single metric as is expected, got %s", fingerprints)
	}
}
コード例 #3
0
ファイル: diagnostics.go プロジェクト: grobie/prometheus
func (l *LevelDBMetricPersistence) GetAllMetrics() ([]model.LabelSet, error) {
	if getAll, getAllError := l.labelSetToFingerprints.GetAll(); getAllError == nil {
		result := make([]model.LabelSet, 0)
		fingerprintCollection := &dto.FingerprintCollection{}

		fingerprints := make(utility.Set)

		for _, pair := range getAll {
			if unmarshalError := proto.Unmarshal(pair.Right, fingerprintCollection); unmarshalError == nil {
				for _, member := range fingerprintCollection.Member {
					if !fingerprints.Has(*member.Signature) {
						fingerprints.Add(*member.Signature)
						fingerprintEncoded := coding.NewProtocolBufferEncoder(member)
						if labelPairCollectionRaw, labelPairCollectionRawError := l.fingerprintToMetrics.Get(fingerprintEncoded); labelPairCollectionRawError == nil {

							labelPairCollectionDTO := &dto.LabelSet{}

							if labelPairCollectionDTOMarshalError := proto.Unmarshal(labelPairCollectionRaw, labelPairCollectionDTO); labelPairCollectionDTOMarshalError == nil {
								intermediate := make(model.LabelSet, 0)

								for _, member := range labelPairCollectionDTO.Member {
									n := model.LabelName(*member.Name)
									v := model.LabelValue(*member.Value)
									intermediate[n] = v
								}

								result = append(result, intermediate)
							} else {
								return nil, labelPairCollectionDTOMarshalError
							}
						} else {
							return nil, labelPairCollectionRawError
						}
					}
				}
			} else {
				return nil, unmarshalError
			}
		}
		return result, nil
	} else {
		return nil, getAllError
	}

	return nil, errors.New("Unknown error encountered when querying metrics.")
}
コード例 #4
0
ファイル: targetmanager.go プロジェクト: grobie/prometheus
func (m *targetManager) AddTargetsFromConfig(config *config.Config) {
	for _, job := range config.Jobs {
		for _, configTargets := range job.Targets {
			baseLabels := model.LabelSet{
				model.LabelName("job"): model.LabelValue(job.Name),
			}
			for label, value := range configTargets.Labels {
				baseLabels[label] = value
			}

			interval := job.ScrapeInterval
			if interval == 0 {
				interval = config.Global.ScrapeInterval
			}

			for _, endpoint := range configTargets.Endpoints {
				target := NewTarget(endpoint, time.Second*5, interval, baseLabels)
				m.Add(target)
			}
		}
	}
}
コード例 #5
0
ファイル: diagnostics.go プロジェクト: grobie/prometheus
func (l *LevelDBMetricPersistence) GetAllLabelPairs() ([]model.LabelSet, error) {
	if getAll, getAllError := l.labelSetToFingerprints.GetAll(); getAllError == nil {
		result := make([]model.LabelSet, 0, len(getAll))
		labelPairDTO := &dto.LabelPair{}

		for _, pair := range getAll {
			if unmarshalError := proto.Unmarshal(pair.Left, labelPairDTO); unmarshalError == nil {
				n := model.LabelName(*labelPairDTO.Name)
				v := model.LabelValue(*labelPairDTO.Value)
				item := model.LabelSet{n: v}
				result = append(result, item)
			} else {
				return nil, unmarshalError
			}
		}

		return result, nil

	} else {
		return nil, getAllError
	}

	return nil, errors.New("Unknown error encountered when querying label pairs.")
}
コード例 #6
0
ファイル: parser.y.go プロジェクト: grobie/prometheus
func yyParse(yylex yyLexer) int {
	var yyn int
	var yylval yySymType
	var yyVAL yySymType
	yyS := make([]yySymType, yyMaxDepth)

	Nerrs := 0   /* number of errors */
	Errflag := 0 /* error recovery flag */
	yystate := 0
	yychar := -1
	yyp := -1
	goto yystack

ret0:
	return 0

ret1:
	return 1

yystack:
	/* put a state and value onto the stack */
	if yyDebug >= 4 {
		fmt.Printf("char %v in %v\n", yyTokname(yychar), yyStatname(yystate))
	}

	yyp++
	if yyp >= len(yyS) {
		nyys := make([]yySymType, len(yyS)*2)
		copy(nyys, yyS)
		yyS = nyys
	}
	yyS[yyp] = yyVAL
	yyS[yyp].yys = yystate

yynewstate:
	yyn = yyPact[yystate]
	if yyn <= yyFlag {
		goto yydefault /* simple state */
	}
	if yychar < 0 {
		yychar = yylex1(yylex, &yylval)
	}
	yyn += yychar
	if yyn < 0 || yyn >= yyLast {
		goto yydefault
	}
	yyn = yyAct[yyn]
	if yyChk[yyn] == yychar { /* valid shift */
		yychar = -1
		yyVAL = yylval
		yystate = yyn
		if Errflag > 0 {
			Errflag--
		}
		goto yystack
	}

yydefault:
	/* default state action */
	yyn = yyDef[yystate]
	if yyn == -2 {
		if yychar < 0 {
			yychar = yylex1(yylex, &yylval)
		}

		/* look through exception table */
		xi := 0
		for {
			if yyExca[xi+0] == -1 && yyExca[xi+1] == yystate {
				break
			}
			xi += 2
		}
		for xi += 2; ; xi += 2 {
			yyn = yyExca[xi+0]
			if yyn < 0 || yyn == yychar {
				break
			}
		}
		yyn = yyExca[xi+1]
		if yyn < 0 {
			goto ret0
		}
	}
	if yyn == 0 {
		/* error ... attempt to resume parsing */
		switch Errflag {
		case 0: /* brand new error */
			yylex.Error("syntax error")
			Nerrs++
			if yyDebug >= 1 {
				fmt.Printf("%s", yyStatname(yystate))
				fmt.Printf("saw %s\n", yyTokname(yychar))
			}
			fallthrough

		case 1, 2: /* incompletely recovered error ... try again */
			Errflag = 3

			/* find a state where "error" is a legal shift action */
			for yyp >= 0 {
				yyn = yyPact[yyS[yyp].yys] + yyErrCode
				if yyn >= 0 && yyn < yyLast {
					yystate = yyAct[yyn] /* simulate a shift of "error" */
					if yyChk[yystate] == yyErrCode {
						goto yystack
					}
				}

				/* the current p has no shift on "error", pop stack */
				if yyDebug >= 2 {
					fmt.Printf("error recovery pops state %d\n", yyS[yyp].yys)
				}
				yyp--
			}
			/* there is no state on the stack with an error shift ... abort */
			goto ret1

		case 3: /* no shift yet; clobber input char */
			if yyDebug >= 2 {
				fmt.Printf("error recovery discards %s\n", yyTokname(yychar))
			}
			if yychar == yyEofCode {
				goto ret1
			}
			yychar = -1
			goto yynewstate /* try again in the same state */
		}
	}

	/* reduction by production yyn */
	if yyDebug >= 2 {
		fmt.Printf("reduce %v in:\n\t%v\n", yyn, yyStatname(yystate))
	}

	yynt := yyn
	yypt := yyp
	_ = yypt // guard against "declared and not used"

	yyp -= yyR2[yyn]
	yyVAL = yyS[yyp+1]

	/* consult goto table to find next state */
	yyn = yyR1[yyn]
	yyg := yyPgo[yyn]
	yyj := yyg + yyS[yyp].yys + 1

	if yyj >= yyLast {
		yystate = yyAct[yyg]
	} else {
		yystate = yyAct[yyj]
		if yyChk[yystate] != -yyn {
			yystate = yyAct[yyg]
		}
	}
	// dummy call; replaced with literal code
	switch yynt {

	case 4:
		//line parser.y:32
		{
			PopJob()
		}
	case 7:
		//line parser.y:40
		{
			parsedConfig.Global.SetOption(yyS[yypt-2].str, yyS[yypt-0].str)
		}
	case 8:
		//line parser.y:42
		{
			parsedConfig.Global.SetLabels(yyS[yypt-0].labelSet)
		}
	case 9:
		//line parser.y:44
		{
			parsedConfig.Global.AddRuleFiles(yyS[yypt-0].stringSlice)
		}
	case 10:
		//line parser.y:48
		{
			yyVAL.labelSet = yyS[yypt-1].labelSet
		}
	case 11:
		//line parser.y:50
		{
			yyVAL.labelSet = model.LabelSet{}
		}
	case 12:
		//line parser.y:54
		{
			yyVAL.labelSet = yyS[yypt-0].labelSet
		}
	case 13:
		//line parser.y:56
		{
			for k, v := range yyS[yypt-0].labelSet {
				yyVAL.labelSet[k] = v
			}
		}
	case 14:
		//line parser.y:60
		{
			yyVAL.labelSet = model.LabelSet{model.LabelName(yyS[yypt-2].str): model.LabelValue(yyS[yypt-0].str)}
		}
	case 15:
		//line parser.y:64
		{
			yyVAL.stringSlice = yyS[yypt-0].stringSlice
		}
	case 18:
		//line parser.y:72
		{
			PushJobOption(yyS[yypt-2].str, yyS[yypt-0].str)
		}
	case 19:
		//line parser.y:74
		{
			PushJobTargets()
		}
	case 22:
		//line parser.y:82
		{
			PushTargetEndpoints(yyS[yypt-0].stringSlice)
		}
	case 23:
		//line parser.y:84
		{
			PushTargetLabels(yyS[yypt-0].labelSet)
		}
	case 24:
		//line parser.y:88
		{
			yyVAL.stringSlice = yyS[yypt-0].stringSlice
		}
	case 25:
		//line parser.y:92
		{
			yyVAL.stringSlice = yyS[yypt-1].stringSlice
		}
	case 26:
		//line parser.y:94
		{
			yyVAL.stringSlice = []string{}
		}
	case 27:
		//line parser.y:98
		{
			yyVAL.stringSlice = []string{yyS[yypt-0].str}
		}
	case 28:
		//line parser.y:100
		{
			yyVAL.stringSlice = append(yyVAL.stringSlice, yyS[yypt-0].str)
		}
	}
	goto yystack /* stack new state and value */
}
コード例 #7
0
ファイル: parser.y.go プロジェクト: grobie/prometheus
func yyParse(yylex yyLexer) int {
	var yyn int
	var yylval yySymType
	var yyVAL yySymType
	yyS := make([]yySymType, yyMaxDepth)

	Nerrs := 0   /* number of errors */
	Errflag := 0 /* error recovery flag */
	yystate := 0
	yychar := -1
	yyp := -1
	goto yystack

ret0:
	return 0

ret1:
	return 1

yystack:
	/* put a state and value onto the stack */
	if yyDebug >= 4 {
		fmt.Printf("char %v in %v\n", yyTokname(yychar), yyStatname(yystate))
	}

	yyp++
	if yyp >= len(yyS) {
		nyys := make([]yySymType, len(yyS)*2)
		copy(nyys, yyS)
		yyS = nyys
	}
	yyS[yyp] = yyVAL
	yyS[yyp].yys = yystate

yynewstate:
	yyn = yyPact[yystate]
	if yyn <= yyFlag {
		goto yydefault /* simple state */
	}
	if yychar < 0 {
		yychar = yylex1(yylex, &yylval)
	}
	yyn += yychar
	if yyn < 0 || yyn >= yyLast {
		goto yydefault
	}
	yyn = yyAct[yyn]
	if yyChk[yyn] == yychar { /* valid shift */
		yychar = -1
		yyVAL = yylval
		yystate = yyn
		if Errflag > 0 {
			Errflag--
		}
		goto yystack
	}

yydefault:
	/* default state action */
	yyn = yyDef[yystate]
	if yyn == -2 {
		if yychar < 0 {
			yychar = yylex1(yylex, &yylval)
		}

		/* look through exception table */
		xi := 0
		for {
			if yyExca[xi+0] == -1 && yyExca[xi+1] == yystate {
				break
			}
			xi += 2
		}
		for xi += 2; ; xi += 2 {
			yyn = yyExca[xi+0]
			if yyn < 0 || yyn == yychar {
				break
			}
		}
		yyn = yyExca[xi+1]
		if yyn < 0 {
			goto ret0
		}
	}
	if yyn == 0 {
		/* error ... attempt to resume parsing */
		switch Errflag {
		case 0: /* brand new error */
			yylex.Error("syntax error")
			Nerrs++
			if yyDebug >= 1 {
				fmt.Printf("%s", yyStatname(yystate))
				fmt.Printf("saw %s\n", yyTokname(yychar))
			}
			fallthrough

		case 1, 2: /* incompletely recovered error ... try again */
			Errflag = 3

			/* find a state where "error" is a legal shift action */
			for yyp >= 0 {
				yyn = yyPact[yyS[yyp].yys] + yyErrCode
				if yyn >= 0 && yyn < yyLast {
					yystate = yyAct[yyn] /* simulate a shift of "error" */
					if yyChk[yystate] == yyErrCode {
						goto yystack
					}
				}

				/* the current p has no shift on "error", pop stack */
				if yyDebug >= 2 {
					fmt.Printf("error recovery pops state %d\n", yyS[yyp].yys)
				}
				yyp--
			}
			/* there is no state on the stack with an error shift ... abort */
			goto ret1

		case 3: /* no shift yet; clobber input char */
			if yyDebug >= 2 {
				fmt.Printf("error recovery discards %s\n", yyTokname(yychar))
			}
			if yychar == yyEofCode {
				goto ret1
			}
			yychar = -1
			goto yynewstate /* try again in the same state */
		}
	}

	/* reduction by production yyn */
	if yyDebug >= 2 {
		fmt.Printf("reduce %v in:\n\t%v\n", yyn, yyStatname(yystate))
	}

	yynt := yyn
	yypt := yyp
	_ = yypt // guard against "declared and not used"

	yyp -= yyR2[yyn]
	yyVAL = yyS[yyp+1]

	/* consult goto table to find next state */
	yyn = yyR1[yyn]
	yyg := yyPgo[yyn]
	yyj := yyg + yyS[yyp].yys + 1

	if yyj >= yyLast {
		yystate = yyAct[yyg]
	} else {
		yystate = yyAct[yyj]
		if yyChk[yystate] != -yyn {
			yystate = yyAct[yyg]
		}
	}
	// dummy call; replaced with literal code
	switch yynt {

	case 5:
		//line parser.y:52
		{
			yylex.(*RulesLexer).parsedExpr = yyS[yypt-0].ruleNode
		}
	case 6:
		//line parser.y:56
		{
			rule, err := CreateRule(yyS[yypt-3].str, yyS[yypt-2].labelSet, yyS[yypt-0].ruleNode, yyS[yypt-4].boolean)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
			yylex.(*RulesLexer).parsedRules = append(yylex.(*RulesLexer).parsedRules, rule)
		}
	case 7:
		//line parser.y:64
		{
			yyVAL.boolean = false
		}
	case 8:
		//line parser.y:66
		{
			yyVAL.boolean = true
		}
	case 9:
		//line parser.y:70
		{
			yyVAL.labelSet = model.LabelSet{}
		}
	case 10:
		//line parser.y:72
		{
			yyVAL.labelSet = yyS[yypt-1].labelSet
		}
	case 11:
		//line parser.y:74
		{
			yyVAL.labelSet = model.LabelSet{}
		}
	case 12:
		//line parser.y:77
		{
			yyVAL.labelSet = yyS[yypt-0].labelSet
		}
	case 13:
		//line parser.y:79
		{
			for k, v := range yyS[yypt-0].labelSet {
				yyVAL.labelSet[k] = v
			}
		}
	case 14:
		//line parser.y:83
		{
			yyVAL.labelSet = model.LabelSet{model.LabelName(yyS[yypt-2].str): model.LabelValue(yyS[yypt-0].str)}
		}
	case 15:
		//line parser.y:88
		{
			yyVAL.ruleNode = yyS[yypt-1].ruleNode
		}
	case 16:
		//line parser.y:90
		{
			yyS[yypt-0].labelSet["name"] = model.LabelValue(yyS[yypt-1].str)
			yyVAL.ruleNode = ast.NewVectorLiteral(yyS[yypt-0].labelSet)
		}
	case 17:
		//line parser.y:92
		{
			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 18:
		//line parser.y:98
		{
			var err error
			yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-2].str, []ast.Node{})
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 19:
		//line parser.y:104
		{
			var err error
			yyVAL.ruleNode, err = NewMatrix(yyS[yypt-3].ruleNode, yyS[yypt-1].str)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 20:
		//line parser.y:110
		{
			var err error
			yyVAL.ruleNode, err = NewVectorAggregation(yyS[yypt-4].str, yyS[yypt-2].ruleNode, yyS[yypt-0].labelNameSlice)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 21:
		//line parser.y:118
		{
			var err error
			yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 22:
		//line parser.y:124
		{
			var err error
			yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 23:
		//line parser.y:130
		{
			var err error
			yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
			if err != nil {
				yylex.Error(err.Error())
				return 1
			}
		}
	case 24:
		//line parser.y:136
		{
			yyVAL.ruleNode = ast.NewScalarLiteral(yyS[yypt-0].num)
		}
	case 25:
		//line parser.y:140
		{
			yyVAL.labelNameSlice = []model.LabelName{}
		}
	case 26:
		//line parser.y:142
		{
			yyVAL.labelNameSlice = yyS[yypt-1].labelNameSlice
		}
	case 27:
		//line parser.y:146
		{
			yyVAL.labelNameSlice = []model.LabelName{model.LabelName(yyS[yypt-0].str)}
		}
	case 28:
		//line parser.y:148
		{
			yyVAL.labelNameSlice = append(yyVAL.labelNameSlice, model.LabelName(yyS[yypt-0].str))
		}
	case 29:
		//line parser.y:152
		{
			yyVAL.ruleNodeSlice = []ast.Node{yyS[yypt-0].ruleNode}
		}
	case 30:
		//line parser.y:154
		{
			yyVAL.ruleNodeSlice = append(yyVAL.ruleNodeSlice, yyS[yypt-0].ruleNode)
		}
	case 31:
		//line parser.y:158
		{
			yyVAL.ruleNode = yyS[yypt-0].ruleNode
		}
	case 32:
		//line parser.y:160
		{
			yyVAL.ruleNode = ast.NewStringLiteral(yyS[yypt-0].str)
		}
	}
	goto yystack /* stack new state and value */
}