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Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com> ()

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prevent conflict metric info
This commit is contained in:
Ziqi Zhao 2022-12-06 00:17:38 +08:00 committed by GitHub
parent e97704c1ec
commit 22434311ae
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 660 additions and 10 deletions

1
CHANGELOG.md

@ -53,6 +53,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
- Asynchronous callbacks are only called if they are registered with at least one instrument that does not use drop aggragation. (#3408)
- Do not report empty partial-success responses in the `go.opentelemetry.io/otel/exporters/otlp` exporters. (#3438, #3432)
- Handle partial success responses in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric` exporters. (#3162, #3440)
- Prevent duplicate Prometheus description, unit, and type. (#3469)
- Prevents panic when using incorrect `attribute.Value.As[Type]Slice()`. (#3489)
## Removed

82
exporters/prometheus/exporter.go

@ -16,6 +16,7 @@ package prometheus // import "go.opentelemetry.io/otel/exporters/prometheus"
import (
"context"
"errors"
"fmt"
"sort"
"strings"
@ -24,9 +25,12 @@ import (
"unicode/utf8"
"github.com/prometheus/client_golang/prometheus"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/internal/global"
"go.opentelemetry.io/otel/metric/unit"
"go.opentelemetry.io/otel/sdk/instrumentation"
"go.opentelemetry.io/otel/sdk/metric"
@ -62,6 +66,7 @@ type collector struct {
disableScopeInfo bool
createTargetInfoOnce sync.Once
scopeInfos map[instrumentation.Scope]prometheus.Metric
metricFamilies map[string]*dto.MetricFamily
}
// prometheus counters MUST have a _total suffix:
@ -83,6 +88,7 @@ func New(opts ...Option) (*Exporter, error) {
withoutUnits: cfg.withoutUnits,
disableScopeInfo: cfg.disableScopeInfo,
scopeInfos: make(map[instrumentation.Scope]prometheus.Metric),
metricFamilies: make(map[string]*dto.MetricFamily),
}
if err := cfg.registerer.Register(collector); err != nil {
@ -149,22 +155,30 @@ func (c *collector) Collect(ch chan<- prometheus.Metric) {
for _, m := range scopeMetrics.Metrics {
switch v := m.Data.(type) {
case metricdata.Histogram:
addHistogramMetric(ch, v, m, keys, values, c.getName(m))
addHistogramMetric(ch, v, m, keys, values, c.getName(m), c.metricFamilies)
case metricdata.Sum[int64]:
addSumMetric(ch, v, m, keys, values, c.getName(m))
addSumMetric(ch, v, m, keys, values, c.getName(m), c.metricFamilies)
case metricdata.Sum[float64]:
addSumMetric(ch, v, m, keys, values, c.getName(m))
addSumMetric(ch, v, m, keys, values, c.getName(m), c.metricFamilies)
case metricdata.Gauge[int64]:
addGaugeMetric(ch, v, m, keys, values, c.getName(m))
addGaugeMetric(ch, v, m, keys, values, c.getName(m), c.metricFamilies)
case metricdata.Gauge[float64]:
addGaugeMetric(ch, v, m, keys, values, c.getName(m))
addGaugeMetric(ch, v, m, keys, values, c.getName(m), c.metricFamilies)
}
}
}
}
func addHistogramMetric(ch chan<- prometheus.Metric, histogram metricdata.Histogram, m metricdata.Metrics, ks, vs [2]string, name string) {
func addHistogramMetric(ch chan<- prometheus.Metric, histogram metricdata.Histogram, m metricdata.Metrics, ks, vs [2]string, name string, mfs map[string]*dto.MetricFamily) {
// TODO(https://github.com/open-telemetry/opentelemetry-go/issues/3163): support exemplars
drop, help := validateMetrics(name, m.Description, dto.MetricType_HISTOGRAM.Enum(), mfs)
if drop {
return
}
if help != "" {
m.Description = help
}
for _, dp := range histogram.DataPoints {
keys, values := getAttrs(dp.Attributes, ks, vs)
@ -185,15 +199,26 @@ func addHistogramMetric(ch chan<- prometheus.Metric, histogram metricdata.Histog
}
}
func addSumMetric[N int64 | float64](ch chan<- prometheus.Metric, sum metricdata.Sum[N], m metricdata.Metrics, ks, vs [2]string, name string) {
func addSumMetric[N int64 | float64](ch chan<- prometheus.Metric, sum metricdata.Sum[N], m metricdata.Metrics, ks, vs [2]string, name string, mfs map[string]*dto.MetricFamily) {
valueType := prometheus.CounterValue
metricType := dto.MetricType_COUNTER
if !sum.IsMonotonic {
valueType = prometheus.GaugeValue
metricType = dto.MetricType_GAUGE
}
if sum.IsMonotonic {
// Add _total suffix for counters
name += counterSuffix
}
drop, help := validateMetrics(name, m.Description, metricType.Enum(), mfs)
if drop {
return
}
if help != "" {
m.Description = help
}
for _, dp := range sum.DataPoints {
keys, values := getAttrs(dp.Attributes, ks, vs)
@ -207,7 +232,15 @@ func addSumMetric[N int64 | float64](ch chan<- prometheus.Metric, sum metricdata
}
}
func addGaugeMetric[N int64 | float64](ch chan<- prometheus.Metric, gauge metricdata.Gauge[N], m metricdata.Metrics, ks, vs [2]string, name string) {
func addGaugeMetric[N int64 | float64](ch chan<- prometheus.Metric, gauge metricdata.Gauge[N], m metricdata.Metrics, ks, vs [2]string, name string, mfs map[string]*dto.MetricFamily) {
drop, help := validateMetrics(name, m.Description, dto.MetricType_GAUGE.Enum(), mfs)
if drop {
return
}
if help != "" {
m.Description = help
}
for _, dp := range gauge.DataPoints {
keys, values := getAttrs(dp.Attributes, ks, vs)
@ -344,3 +377,36 @@ func sanitizeName(n string) string {
return b.String()
}
func validateMetrics(name, description string, metricType *dto.MetricType, mfs map[string]*dto.MetricFamily) (drop bool, help string) {
emf, exist := mfs[name]
if !exist {
mfs[name] = &dto.MetricFamily{
Name: proto.String(name),
Help: proto.String(description),
Type: metricType,
}
return false, ""
}
if emf.GetType() != *metricType {
global.Error(
errors.New("instrument type conflict"),
"Using existing type definition.",
"instrument", name,
"existing", emf.GetType(),
"dropped", *metricType,
)
return true, ""
}
if emf.GetHelp() != description {
global.Info(
"Instrument description conflict, using existing",
"instrument", name,
"existing", emf.GetHelp(),
"dropped", description,
)
return false, emf.GetHelp()
}
return false, ""
}

262
exporters/prometheus/exporter_test.go

@ -386,3 +386,265 @@ func TestMultiScopes(t *testing.T) {
err = testutil.GatherAndCompare(registry, file)
require.NoError(t, err)
}
func TestDuplicateMetrics(t *testing.T) {
testCases := []struct {
name string
customResouceAttrs []attribute.KeyValue
recordMetrics func(ctx context.Context, meterA, meterB otelmetric.Meter)
options []Option
possibleExpectedFiles []string
}{
{
name: "no_conflict_two_counters",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
fooA, err := meterA.SyncInt64().Counter("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter counter foo"))
assert.NoError(t, err)
fooA.Add(ctx, 100, attribute.String("A", "B"))
fooB, err := meterB.SyncInt64().Counter("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter counter foo"))
assert.NoError(t, err)
fooB.Add(ctx, 100, attribute.String("A", "B"))
},
possibleExpectedFiles: []string{"testdata/no_conflict_two_counters.txt"},
},
{
name: "no_conflict_two_updowncounters",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
fooA, err := meterA.SyncInt64().UpDownCounter("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter gauge foo"))
assert.NoError(t, err)
fooA.Add(ctx, 100, attribute.String("A", "B"))
fooB, err := meterB.SyncInt64().UpDownCounter("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter gauge foo"))
assert.NoError(t, err)
fooB.Add(ctx, 100, attribute.String("A", "B"))
},
possibleExpectedFiles: []string{"testdata/no_conflict_two_updowncounters.txt"},
},
{
name: "no_conflict_two_histograms",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
fooA, err := meterA.SyncInt64().Histogram("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter histogram foo"))
assert.NoError(t, err)
fooA.Record(ctx, 100, attribute.String("A", "B"))
fooB, err := meterB.SyncInt64().Histogram("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter histogram foo"))
assert.NoError(t, err)
fooB.Record(ctx, 100, attribute.String("A", "B"))
},
possibleExpectedFiles: []string{"testdata/no_conflict_two_histograms.txt"},
},
{
name: "conflict_help_two_counters",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
barA, err := meterA.SyncInt64().Counter("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter a bar"))
assert.NoError(t, err)
barA.Add(ctx, 100, attribute.String("type", "bar"))
barB, err := meterB.SyncInt64().Counter("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter b bar"))
assert.NoError(t, err)
barB.Add(ctx, 100, attribute.String("type", "bar"))
},
possibleExpectedFiles: []string{
"testdata/conflict_help_two_counters_1.txt",
"testdata/conflict_help_two_counters_2.txt",
},
},
{
name: "conflict_help_two_updowncounters",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
barA, err := meterA.SyncInt64().UpDownCounter("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter a bar"))
assert.NoError(t, err)
barA.Add(ctx, 100, attribute.String("type", "bar"))
barB, err := meterB.SyncInt64().UpDownCounter("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter b bar"))
assert.NoError(t, err)
barB.Add(ctx, 100, attribute.String("type", "bar"))
},
possibleExpectedFiles: []string{
"testdata/conflict_help_two_updowncounters_1.txt",
"testdata/conflict_help_two_updowncounters_2.txt",
},
},
{
name: "conflict_help_two_histograms",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
barA, err := meterA.SyncInt64().Histogram("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter a bar"))
assert.NoError(t, err)
barA.Record(ctx, 100, attribute.String("A", "B"))
barB, err := meterB.SyncInt64().Histogram("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter b bar"))
assert.NoError(t, err)
barB.Record(ctx, 100, attribute.String("A", "B"))
},
possibleExpectedFiles: []string{
"testdata/conflict_help_two_histograms_1.txt",
"testdata/conflict_help_two_histograms_2.txt",
},
},
{
name: "conflict_unit_two_counters",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
bazA, err := meterA.SyncInt64().Counter("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter bar"))
assert.NoError(t, err)
bazA.Add(ctx, 100, attribute.String("type", "bar"))
bazB, err := meterB.SyncInt64().Counter("bar",
instrument.WithUnit(unit.Milliseconds),
instrument.WithDescription("meter bar"))
assert.NoError(t, err)
bazB.Add(ctx, 100, attribute.String("type", "bar"))
},
options: []Option{WithoutUnits()},
possibleExpectedFiles: []string{"testdata/conflict_unit_two_counters.txt"},
},
{
name: "conflict_unit_two_updowncounters",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
barA, err := meterA.SyncInt64().UpDownCounter("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter gauge bar"))
assert.NoError(t, err)
barA.Add(ctx, 100, attribute.String("type", "bar"))
barB, err := meterB.SyncInt64().UpDownCounter("bar",
instrument.WithUnit(unit.Milliseconds),
instrument.WithDescription("meter gauge bar"))
assert.NoError(t, err)
barB.Add(ctx, 100, attribute.String("type", "bar"))
},
options: []Option{WithoutUnits()},
possibleExpectedFiles: []string{"testdata/conflict_unit_two_updowncounters.txt"},
},
{
name: "conflict_unit_two_histograms",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
barA, err := meterA.SyncInt64().Histogram("bar",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter histogram bar"))
assert.NoError(t, err)
barA.Record(ctx, 100, attribute.String("A", "B"))
barB, err := meterB.SyncInt64().Histogram("bar",
instrument.WithUnit(unit.Milliseconds),
instrument.WithDescription("meter histogram bar"))
assert.NoError(t, err)
barB.Record(ctx, 100, attribute.String("A", "B"))
},
options: []Option{WithoutUnits()},
possibleExpectedFiles: []string{"testdata/conflict_unit_two_histograms.txt"},
},
{
name: "conflict_type_counter_and_updowncounter",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
counter, err := meterA.SyncInt64().Counter("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter foo"))
assert.NoError(t, err)
counter.Add(ctx, 100, attribute.String("type", "foo"))
gauge, err := meterA.SyncInt64().UpDownCounter("foo_total",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter foo"))
assert.NoError(t, err)
gauge.Add(ctx, 200, attribute.String("type", "foo"))
},
options: []Option{WithoutUnits()},
possibleExpectedFiles: []string{
"testdata/conflict_type_counter_and_updowncounter_1.txt",
"testdata/conflict_type_counter_and_updowncounter_2.txt",
},
},
{
name: "conflict_type_histogram_and_updowncounter",
recordMetrics: func(ctx context.Context, meterA, meterB otelmetric.Meter) {
fooA, err := meterA.SyncInt64().UpDownCounter("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter gauge foo"))
assert.NoError(t, err)
fooA.Add(ctx, 100, attribute.String("A", "B"))
fooHistogramA, err := meterA.SyncInt64().Histogram("foo",
instrument.WithUnit(unit.Bytes),
instrument.WithDescription("meter histogram foo"))
assert.NoError(t, err)
fooHistogramA.Record(ctx, 100, attribute.String("A", "B"))
},
possibleExpectedFiles: []string{
"testdata/conflict_type_histogram_and_updowncounter_1.txt",
"testdata/conflict_type_histogram_and_updowncounter_2.txt",
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// initialize registry exporter
ctx := context.Background()
registry := prometheus.NewRegistry()
exporter, err := New(append(tc.options, WithRegisterer(registry))...)
require.NoError(t, err)
// initialize resource
res, err := resource.New(ctx,
resource.WithAttributes(semconv.ServiceNameKey.String("prometheus_test")),
resource.WithAttributes(semconv.TelemetrySDKVersionKey.String("latest")),
)
require.NoError(t, err)
res, err = resource.Merge(resource.Default(), res)
require.NoError(t, err)
// initialize provider
provider := metric.NewMeterProvider(
metric.WithReader(exporter),
metric.WithResource(res),
)
// initialize two meter a, b
meterA := provider.Meter("ma", otelmetric.WithInstrumentationVersion("v0.1.0"))
meterB := provider.Meter("mb", otelmetric.WithInstrumentationVersion("v0.1.0"))
tc.recordMetrics(ctx, meterA, meterB)
var match = false
for _, filename := range tc.possibleExpectedFiles {
file, ferr := os.Open(filename)
require.NoError(t, ferr)
t.Cleanup(func() { require.NoError(t, file.Close()) })
err = testutil.GatherAndCompare(registry, file)
if err == nil {
match = true
break
}
}
require.Truef(t, match, "expected export not produced: %v", err)
})
}
}

4
exporters/prometheus/go.mod

@ -4,11 +4,13 @@ go 1.18
require (
github.com/prometheus/client_golang v1.14.0
github.com/prometheus/client_model v0.3.0
github.com/stretchr/testify v1.8.1
go.opentelemetry.io/otel v1.11.1
go.opentelemetry.io/otel/metric v0.33.0
go.opentelemetry.io/otel/sdk v1.11.1
go.opentelemetry.io/otel/sdk/metric v0.33.0
google.golang.org/protobuf v1.28.1
)
require (
@ -20,12 +22,10 @@ require (
github.com/golang/protobuf v1.5.2 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
go.opentelemetry.io/otel/trace v1.11.1 // indirect
golang.org/x/sys v0.0.0-20220919091848-fb04ddd9f9c8 // indirect
google.golang.org/protobuf v1.28.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

11
exporters/prometheus/testdata/conflict_help_two_counters_1.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP bar_bytes_total meter a bar
# TYPE bar_bytes_total counter
bar_bytes_total{otel_scope_name="ma",otel_scope_version="v0.1.0",type="bar"} 100
bar_bytes_total{otel_scope_name="mb",otel_scope_version="v0.1.0",type="bar"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/conflict_help_two_counters_2.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP bar_bytes_total meter b bar
# TYPE bar_bytes_total counter
bar_bytes_total{otel_scope_name="ma",otel_scope_version="v0.1.0",type="bar"} 100
bar_bytes_total{otel_scope_name="mb",otel_scope_version="v0.1.0",type="bar"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

45
exporters/prometheus/testdata/conflict_help_two_histograms_1.txt vendored Normal file

@ -0,0 +1,45 @@
# HELP bar_bytes meter a bar
# TYPE bar_bytes histogram
bar_bytes_bucket{A="B",le="0",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="5",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="10",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="25",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="50",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="75",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="100",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="250",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="750",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="1000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="2500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="5000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="7500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="10000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="+Inf",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_sum{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
bar_bytes_count{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="0",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="5",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="10",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="25",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="50",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="75",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="100",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="250",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="750",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="1000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="2500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="5000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="7500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="10000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="+Inf",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_sum{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 100
bar_bytes_count{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

45
exporters/prometheus/testdata/conflict_help_two_histograms_2.txt vendored Normal file

@ -0,0 +1,45 @@
# HELP bar_bytes meter b bar
# TYPE bar_bytes histogram
bar_bytes_bucket{A="B",le="0",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="5",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="10",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="25",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="50",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="75",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="100",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="250",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="750",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="1000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="2500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="5000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="7500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="10000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="+Inf",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_sum{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
bar_bytes_count{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="0",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="5",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="10",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="25",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="50",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="75",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bytes_bucket{A="B",le="100",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="250",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="750",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="1000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="2500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="5000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="7500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="10000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_bucket{A="B",le="+Inf",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bytes_sum{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 100
bar_bytes_count{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/conflict_help_two_updowncounters_1.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP bar_bytes meter a bar
# TYPE bar_bytes gauge
bar_bytes{otel_scope_name="ma",otel_scope_version="v0.1.0",type="bar"} 100
bar_bytes{otel_scope_name="mb",otel_scope_version="v0.1.0",type="bar"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/conflict_help_two_updowncounters_2.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP bar_bytes meter b bar
# TYPE bar_bytes gauge
bar_bytes{otel_scope_name="ma",otel_scope_version="v0.1.0",type="bar"} 100
bar_bytes{otel_scope_name="mb",otel_scope_version="v0.1.0",type="bar"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

9
exporters/prometheus/testdata/conflict_type_counter_and_updowncounter_1.txt vendored Normal file

@ -0,0 +1,9 @@
# HELP foo_total meter foo
# TYPE foo_total counter
foo_total{otel_scope_name="ma",otel_scope_version="v0.1.0",type="foo"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

9
exporters/prometheus/testdata/conflict_type_counter_and_updowncounter_2.txt vendored Normal file

@ -0,0 +1,9 @@
# HELP foo_total meter foo
# TYPE foo_total gauge
foo_total{otel_scope_name="ma",otel_scope_version="v0.1.0",type="foo"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

9
exporters/prometheus/testdata/conflict_type_histogram_and_updowncounter_1.txt vendored Normal file

@ -0,0 +1,9 @@
# HELP foo_bytes meter gauge foo
# TYPE foo_bytes gauge
foo_bytes{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

26
exporters/prometheus/testdata/conflict_type_histogram_and_updowncounter_2.txt vendored Normal file

@ -0,0 +1,26 @@
# HELP foo_bytes meter histogram foo
# TYPE foo_bytes histogram
foo_bytes_bucket{A="B",le="0",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="5",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="10",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="25",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="50",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="75",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="100",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="250",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="750",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="1000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="2500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="5000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="7500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="10000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="+Inf",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_sum{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
foo_bytes_count{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/conflict_unit_two_counters.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP bar_total meter bar
# TYPE bar_total counter
bar_total{otel_scope_name="ma",otel_scope_version="v0.1.0",type="bar"} 100
bar_total{otel_scope_name="mb",otel_scope_version="v0.1.0",type="bar"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

45
exporters/prometheus/testdata/conflict_unit_two_histograms.txt vendored Normal file

@ -0,0 +1,45 @@
# HELP bar meter histogram bar
# TYPE bar histogram
bar_bucket{A="B",le="0",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="5",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="10",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="25",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="50",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="75",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="100",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="250",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="750",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="1000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="2500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="5000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="7500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="10000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="+Inf",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_sum{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
bar_count{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="0",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="5",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="10",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="25",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="50",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="75",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
bar_bucket{A="B",le="100",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="250",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="750",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="1000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="2500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="5000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="7500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="10000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_bucket{A="B",le="+Inf",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
bar_sum{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 100
bar_count{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/conflict_unit_two_updowncounters.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP bar meter gauge bar
# TYPE bar gauge
bar{otel_scope_name="ma",otel_scope_version="v0.1.0",type="bar"} 100
bar{otel_scope_name="mb",otel_scope_version="v0.1.0",type="bar"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/no_conflict_two_counters.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP foo_bytes_total meter counter foo
# TYPE foo_bytes_total counter
foo_bytes_total{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
foo_bytes_total{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

45
exporters/prometheus/testdata/no_conflict_two_histograms.txt vendored Normal file

@ -0,0 +1,45 @@
# HELP foo_bytes meter histogram foo
# TYPE foo_bytes histogram
foo_bytes_bucket{A="B",le="0",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="5",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="10",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="25",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="50",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="75",otel_scope_name="ma",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="100",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="250",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="750",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="1000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="2500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="5000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="7500",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="10000",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="+Inf",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_sum{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
foo_bytes_count{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="0",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="5",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="10",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="25",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="50",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="75",otel_scope_name="mb",otel_scope_version="v0.1.0"} 0
foo_bytes_bucket{A="B",le="100",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="250",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="750",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="1000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="2500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="5000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="7500",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="10000",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_bucket{A="B",le="+Inf",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
foo_bytes_sum{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 100
foo_bytes_count{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1

11
exporters/prometheus/testdata/no_conflict_two_updowncounters.txt vendored Normal file

@ -0,0 +1,11 @@
# HELP foo_bytes meter gauge foo
# TYPE foo_bytes gauge
foo_bytes{A="B",otel_scope_name="ma",otel_scope_version="v0.1.0"} 100
foo_bytes{A="B",otel_scope_name="mb",otel_scope_version="v0.1.0"} 100
# HELP otel_scope_info Instrumentation Scope metadata
# TYPE otel_scope_info gauge
otel_scope_info{otel_scope_name="ma",otel_scope_version="v0.1.0"} 1
otel_scope_info{otel_scope_name="mb",otel_scope_version="v0.1.0"} 1
# HELP target_info Target metadata
# TYPE target_info gauge
target_info{service_name="prometheus_test",telemetry_sdk_language="go",telemetry_sdk_name="opentelemetry",telemetry_sdk_version="latest"} 1