func handler(w http.ResponseWriter, r *http.Request) {
cfg, err := LoadFile(*configFile)
if err != nil {
msg := fmt.Sprintf("Error parsing config file: %s", err)
http.Error(w, msg, 400)
log.Errorf(msg)
return
}
target := r.URL.Query().Get("target")
if target == "" {
http.Error(w, "'target' parameter must be specified", 400)
snmpRequestErrors.Inc()
return
}
moduleName := r.URL.Query().Get("module")
if moduleName == "" {
moduleName = "default"
}
module, ok := (*cfg)[moduleName]
if !ok {
http.Error(w, fmt.Sprintf("Unkown module '%s'", moduleName), 400)
snmpRequestErrors.Inc()
return
}
log.Debugf("Scraping target '%s' with module '%s'", target, moduleName)
start := time.Now()
registry := prometheus.NewRegistry()
collector := collector{target: target, module: module}
registry.MustRegister(collector)
// Delegate http serving to Promethues client library, which will call collector.Collect.
h := promhttp.HandlerFor(registry, promhttp.HandlerOpts{})
h.ServeHTTP(w, r)
duration := float64(time.Since(start).Seconds())
snmpDuration.WithLabelValues(moduleName).Observe(duration)
log.Debugf("Scrape of target '%s' with module '%s' took %f seconds", target, moduleName, duration)
}
func TestToReader(t *testing.T) {
cntVec := prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "name",
Help: "docstring",
ConstLabels: prometheus.Labels{"constname": "constvalue"},
},
[]string{"labelname"},
)
cntVec.WithLabelValues("val1").Inc()
cntVec.WithLabelValues("val2").Inc()
reg := prometheus.NewRegistry()
reg.MustRegister(cntVec)
want := `prefix.name.constname.constvalue.labelname.val1 1 1477043
prefix.name.constname.constvalue.labelname.val2 1 1477043
`
mfs, err := reg.Gather()
if err != nil {
t.Fatalf("error: %v", err)
}
now := model.Time(1477043083)
var buf bytes.Buffer
err = writeMetrics(&buf, mfs, "prefix", now)
if err != nil {
t.Fatalf("error: %v", err)
}
if got := buf.String(); want != got {
t.Fatalf("wanted \n%s\n, got \n%s\n", want, got)
}
}
func ExampleAddFromGatherer() {
registry := prometheus.NewRegistry()
registry.MustRegister(completionTime, duration, records)
// Note that successTime is not registered at this time.
start := time.Now()
n, err := performBackup()
records.Set(float64(n))
duration.Set(time.Since(start).Seconds())
completionTime.SetToCurrentTime()
if err != nil {
fmt.Println("DB backup failed:", err)
} else {
// Only now register successTime.
registry.MustRegister(successTime)
successTime.SetToCurrentTime()
}
// AddFromGatherer is used here rather than FromGatherer to not delete a
// previously pushed success timestamp in case of a failure of this
// backup.
if err := push.AddFromGatherer(
"db_backup", nil,
"http://pushgateway:9091",
registry,
); err != nil {
fmt.Println("Could not push to Pushgateway:", err)
}
}
func TestPush(t *testing.T) {
reg := prometheus.NewRegistry()
cntVec := prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "name",
Help: "docstring",
ConstLabels: prometheus.Labels{"constname": "constvalue"},
},
[]string{"labelname"},
)
cntVec.WithLabelValues("val1").Inc()
cntVec.WithLabelValues("val2").Inc()
reg.MustRegister(cntVec)
host := "localhost"
port := ":56789"
b, err := NewBridge(&Config{
URL: host + port,
Gatherer: reg,
Prefix: "prefix",
})
if err != nil {
t.Fatalf("error creating bridge: %v", err)
}
nmg, err := newMockGraphite(port)
if err != nil {
t.Fatalf("error creating mock graphite: %v", err)
}
defer nmg.Close()
err = b.Push()
if err != nil {
t.Fatalf("error pushing: %v", err)
}
wants := []string{
"prefix.name.constname.constvalue.labelname.val1 1",
"prefix.name.constname.constvalue.labelname.val2 1",
}
select {
case got := <-nmg.readc:
for _, want := range wants {
matched, err := regexp.MatchString(want, got)
if err != nil {
t.Fatalf("error pushing: %v", err)
}
if !matched {
t.Fatalf("missing metric:\nno match for %s received by server:\n%s", want, got)
}
}
return
case err := <-nmg.errc:
t.Fatalf("error reading push: %v", err)
case <-time.After(50 * time.Millisecond):
t.Fatalf("no result from graphite server")
}
}
func pushCollectors(job string, grouping map[string]string, url, method string, collectors ...prometheus.Collector) error {
r := prometheus.NewRegistry()
for _, collector := range collectors {
if err := r.Register(collector); err != nil {
return err
}
}
return push(job, grouping, url, r, method)
}
func TestWriteHistogram(t *testing.T) {
histVec := prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Name: "name",
Help: "docstring",
ConstLabels: prometheus.Labels{"constname": "constvalue"},
Buckets: []float64{0.01, 0.02, 0.05, 0.1},
},
[]string{"labelname"},
)
histVec.WithLabelValues("val1").Observe(float64(10))
histVec.WithLabelValues("val1").Observe(float64(20))
histVec.WithLabelValues("val1").Observe(float64(30))
histVec.WithLabelValues("val2").Observe(float64(20))
histVec.WithLabelValues("val2").Observe(float64(30))
histVec.WithLabelValues("val2").Observe(float64(40))
reg := prometheus.NewRegistry()
reg.MustRegister(histVec)
mfs, err := reg.Gather()
if err != nil {
t.Fatalf("error: %v", err)
}
now := model.Time(1477043083)
var buf bytes.Buffer
err = writeMetrics(&buf, mfs, "prefix", now)
if err != nil {
t.Fatalf("error: %v", err)
}
want := `prefix.name_bucket.constname.constvalue.labelname.val1.le.0_01 0 1477043
prefix.name_bucket.constname.constvalue.labelname.val1.le.0_02 0 1477043
prefix.name_bucket.constname.constvalue.labelname.val1.le.0_05 0 1477043
prefix.name_bucket.constname.constvalue.labelname.val1.le.0_1 0 1477043
prefix.name_sum.constname.constvalue.labelname.val1 60 1477043
prefix.name_count.constname.constvalue.labelname.val1 3 1477043
prefix.name_bucket.constname.constvalue.labelname.val1.le._Inf 3 1477043
prefix.name_bucket.constname.constvalue.labelname.val2.le.0_01 0 1477043
prefix.name_bucket.constname.constvalue.labelname.val2.le.0_02 0 1477043
prefix.name_bucket.constname.constvalue.labelname.val2.le.0_05 0 1477043
prefix.name_bucket.constname.constvalue.labelname.val2.le.0_1 0 1477043
prefix.name_sum.constname.constvalue.labelname.val2 90 1477043
prefix.name_count.constname.constvalue.labelname.val2 3 1477043
prefix.name_bucket.constname.constvalue.labelname.val2.le._Inf 3 1477043
`
if got := buf.String(); want != got {
t.Fatalf("wanted \n%s\n, got \n%s\n", want, got)
}
}
func TestWriteSummary(t *testing.T) {
sumVec := prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Name: "name",
Help: "docstring",
ConstLabels: prometheus.Labels{"constname": "constvalue"},
Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
},
[]string{"labelname"},
)
sumVec.WithLabelValues("val1").Observe(float64(10))
sumVec.WithLabelValues("val1").Observe(float64(20))
sumVec.WithLabelValues("val1").Observe(float64(30))
sumVec.WithLabelValues("val2").Observe(float64(20))
sumVec.WithLabelValues("val2").Observe(float64(30))
sumVec.WithLabelValues("val2").Observe(float64(40))
reg := prometheus.NewRegistry()
reg.MustRegister(sumVec)
mfs, err := reg.Gather()
if err != nil {
t.Fatalf("error: %v", err)
}
now := model.Time(1477043083)
var buf bytes.Buffer
err = writeMetrics(&buf, mfs, "prefix", now)
if err != nil {
t.Fatalf("error: %v", err)
}
want := `prefix.name.constname.constvalue.labelname.val1.quantile.0_5 20 1477043
prefix.name.constname.constvalue.labelname.val1.quantile.0_9 30 1477043
prefix.name.constname.constvalue.labelname.val1.quantile.0_99 30 1477043
prefix.name_sum.constname.constvalue.labelname.val1 60 1477043
prefix.name_count.constname.constvalue.labelname.val1 3 1477043
prefix.name.constname.constvalue.labelname.val2.quantile.0_5 30 1477043
prefix.name.constname.constvalue.labelname.val2.quantile.0_9 40 1477043
prefix.name.constname.constvalue.labelname.val2.quantile.0_99 40 1477043
prefix.name_sum.constname.constvalue.labelname.val2 90 1477043
prefix.name_count.constname.constvalue.labelname.val2 3 1477043
`
if got := buf.String(); want != got {
t.Fatalf("wanted \n%s\n, got \n%s\n", want, got)
}
}
func ExampleRegistry() {
registry := prometheus.NewRegistry()
completionTime := prometheus.NewGauge(prometheus.GaugeOpts{
Name: "db_backup_last_completion_timestamp_seconds",
Help: "The timestamp of the last succesful completion of a DB backup.",
})
registry.MustRegister(completionTime)
completionTime.Set(float64(time.Now().Unix()))
if err := push.FromGatherer(
"db_backup", push.HostnameGroupingKey(),
"http://pushgateway:9091",
registry,
); err != nil {
fmt.Println("Could not push completion time to Pushgateway:", err)
}
}
func collect(c prometheus.Collector) ([]byte, error) {
r := prometheus.NewRegistry()
if err := r.Register(c); err != nil {
return nil, err
}
m, err := r.Gather()
if err != nil {
return nil, err
}
var b bytes.Buffer
enc := expfmt.NewEncoder(&b, expfmt.FmtText)
for _, f := range m {
if err := enc.Encode(f); err != nil {
return nil, err
}
}
return b.Bytes(), nil
}
func TestRegisterWithOrGet(t *testing.T) {
// Replace the default registerer just to be sure. This is bad, but this
// whole test will go away once RegisterOrGet is removed.
oldRegisterer := prometheus.DefaultRegisterer
defer func() {
prometheus.DefaultRegisterer = oldRegisterer
}()
prometheus.DefaultRegisterer = prometheus.NewRegistry()
original := prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "test",
Help: "help",
},
[]string{"foo", "bar"},
)
equalButNotSame := prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "test",
Help: "help",
},
[]string{"foo", "bar"},
)
var err error
if err = prometheus.Register(original); err != nil {
t.Fatal(err)
}
if err = prometheus.Register(equalButNotSame); err == nil {
t.Fatal("expected error when registringe equal collector")
}
if are, ok := err.(prometheus.AlreadyRegisteredError); ok {
if are.ExistingCollector != original {
t.Error("expected original collector but got something else")
}
if are.ExistingCollector == equalButNotSame {
t.Error("expected original callector but got new one")
}
} else {
t.Error("unexpected error:", err)
}
}
func TestPush(t *testing.T) {
var (
lastMethod string
lastBody []byte
lastPath string
)
host, err := os.Hostname()
if err != nil {
t.Error(err)
}
// Fake a Pushgateway that always responds with 202.
pgwOK := httptest.NewServer(
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
lastMethod = r.Method
var err error
lastBody, err = ioutil.ReadAll(r.Body)
if err != nil {
t.Fatal(err)
}
lastPath = r.URL.EscapedPath()
w.Header().Set("Content-Type", `text/plain; charset=utf-8`)
w.WriteHeader(http.StatusAccepted)
}),
)
defer pgwOK.Close()
// Fake a Pushgateway that always responds with 500.
pgwErr := httptest.NewServer(
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
http.Error(w, "fake error", http.StatusInternalServerError)
}),
)
defer pgwErr.Close()
metric1 := prometheus.NewCounter(prometheus.CounterOpts{
Name: "testname1",
Help: "testhelp1",
})
metric2 := prometheus.NewGauge(prometheus.GaugeOpts{
Name: "testname2",
Help: "testhelp2",
ConstLabels: prometheus.Labels{"foo": "bar", "dings": "bums"},
})
reg := prometheus.NewRegistry()
reg.MustRegister(metric1)
reg.MustRegister(metric2)
mfs, err := reg.Gather()
if err != nil {
t.Fatal(err)
}
buf := &bytes.Buffer{}
enc := expfmt.NewEncoder(buf, expfmt.FmtProtoDelim)
for _, mf := range mfs {
if err := enc.Encode(mf); err != nil {
t.Fatal(err)
}
}
wantBody := buf.Bytes()
// PushCollectors, all good.
if err := Collectors("testjob", HostnameGroupingKey(), pgwOK.URL, metric1, metric2); err != nil {
t.Fatal(err)
}
if lastMethod != "PUT" {
t.Error("want method PUT for PushCollectors, got", lastMethod)
}
if bytes.Compare(lastBody, wantBody) != 0 {
t.Errorf("got body %v, want %v", lastBody, wantBody)
}
if lastPath != "/metrics/job/testjob/instance/"+host {
t.Error("unexpected path:", lastPath)
}
// PushAddCollectors, with nil grouping, all good.
if err := AddCollectors("testjob", nil, pgwOK.URL, metric1, metric2); err != nil {
t.Fatal(err)
}
if lastMethod != "POST" {
t.Error("want method POST for PushAddCollectors, got", lastMethod)
}
if bytes.Compare(lastBody, wantBody) != 0 {
t.Errorf("got body %v, want %v", lastBody, wantBody)
}
if lastPath != "/metrics/job/testjob" {
t.Error("unexpected path:", lastPath)
}
// PushCollectors with a broken PGW.
if err := Collectors("testjob", nil, pgwErr.URL, metric1, metric2); err == nil {
t.Error("push to broken Pushgateway succeeded")
} else {
if got, want := err.Error(), "unexpected status code 500 while pushing to "+pgwErr.URL+"/metrics/job/testjob: fake error\n"; got != want {
t.Errorf("got error %q, want %q", got, want)
}
}
// PushCollectors with invalid grouping or job.
if err := Collectors("testjob", map[string]string{"foo": "bums"}, pgwErr.URL, metric1, metric2); err == nil {
t.Error("push with grouping contained in metrics succeeded")
}
if err := Collectors("test/job", nil, pgwErr.URL, metric1, metric2); err == nil {
t.Error("push with invalid job value succeeded")
}
if err := Collectors("testjob", map[string]string{"foo/bar": "bums"}, pgwErr.URL, metric1, metric2); err == nil {
t.Error("push with invalid grouping succeeded")
}
if err := Collectors("testjob", map[string]string{"foo-bar": "bums"}, pgwErr.URL, metric1, metric2); err == nil {
t.Error("push with invalid grouping succeeded")
}
// Push registry, all good.
if err := FromGatherer("testjob", HostnameGroupingKey(), pgwOK.URL, reg); err != nil {
t.Fatal(err)
}
if lastMethod != "PUT" {
t.Error("want method PUT for Push, got", lastMethod)
}
if bytes.Compare(lastBody, wantBody) != 0 {
t.Errorf("got body %v, want %v", lastBody, wantBody)
}
// PushAdd registry, all good.
if err := AddFromGatherer("testjob", map[string]string{"a": "x", "b": "y"}, pgwOK.URL, reg); err != nil {
t.Fatal(err)
}
if lastMethod != "POST" {
t.Error("want method POSTT for PushAdd, got", lastMethod)
}
if bytes.Compare(lastBody, wantBody) != 0 {
t.Errorf("got body %v, want %v", lastBody, wantBody)
}
if lastPath != "/metrics/job/testjob/a/x/b/y" && lastPath != "/metrics/job/testjob/b/y/a/x" {
t.Error("unexpected path:", lastPath)
}
}
func TestHandlerErrorHandling(t *testing.T) {
// Create a registry that collects a MetricFamily with two elements,
// another with one, and reports an error.
reg := prometheus.NewRegistry()
cnt := prometheus.NewCounter(prometheus.CounterOpts{
Name: "the_count",
Help: "Ah-ah-ah! Thunder and lightning!",
})
reg.MustRegister(cnt)
cntVec := prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "name",
Help: "docstring",
ConstLabels: prometheus.Labels{"constname": "constvalue"},
},
[]string{"labelname"},
)
cntVec.WithLabelValues("val1").Inc()
cntVec.WithLabelValues("val2").Inc()
reg.MustRegister(cntVec)
reg.MustRegister(errorCollector{})
logBuf := &bytes.Buffer{}
logger := log.New(logBuf, "", 0)
writer := httptest.NewRecorder()
request, _ := http.NewRequest("GET", "/", nil)
request.Header.Add("Accept", "test/plain")
errorHandler := HandlerFor(reg, HandlerOpts{
ErrorLog: logger,
ErrorHandling: HTTPErrorOnError,
})
continueHandler := HandlerFor(reg, HandlerOpts{
ErrorLog: logger,
ErrorHandling: ContinueOnError,
})
panicHandler := HandlerFor(reg, HandlerOpts{
ErrorLog: logger,
ErrorHandling: PanicOnError,
})
wantMsg := `error gathering metrics: error collecting metric Desc{fqName: "invalid_metric", help: "not helpful", constLabels: {}, variableLabels: []}: collect error
`
wantErrorBody := `An error has occurred during metrics gathering:
error collecting metric Desc{fqName: "invalid_metric", help: "not helpful", constLabels: {}, variableLabels: []}: collect error
`
wantOKBody := `# HELP name docstring
# TYPE name counter
name{constname="constvalue",labelname="val1"} 1
name{constname="constvalue",labelname="val2"} 1
# HELP the_count Ah-ah-ah! Thunder and lightning!
# TYPE the_count counter
the_count 0
`
errorHandler.ServeHTTP(writer, request)
if got, want := writer.Code, http.StatusInternalServerError; got != want {
t.Errorf("got HTTP status code %d, want %d", got, want)
}
if got := logBuf.String(); got != wantMsg {
t.Errorf("got log message:\n%s\nwant log mesage:\n%s\n", got, wantMsg)
}
if got := writer.Body.String(); got != wantErrorBody {
t.Errorf("got body:\n%s\nwant body:\n%s\n", got, wantErrorBody)
}
logBuf.Reset()
writer.Body.Reset()
writer.Code = http.StatusOK
continueHandler.ServeHTTP(writer, request)
if got, want := writer.Code, http.StatusOK; got != want {
t.Errorf("got HTTP status code %d, want %d", got, want)
}
if got := logBuf.String(); got != wantMsg {
t.Errorf("got log message %q, want %q", got, wantMsg)
}
if got := writer.Body.String(); got != wantOKBody {
t.Errorf("got body %q, want %q", got, wantOKBody)
}
defer func() {
if err := recover(); err == nil {
t.Error("expected panic from panicHandler")
}
}()
panicHandler.ServeHTTP(writer, request)
}
func ExampleGatherers() {
reg := prometheus.NewRegistry()
temp := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "temperature_kelvin",
Help: "Temperature in Kelvin.",
},
[]string{"location"},
)
reg.MustRegister(temp)
temp.WithLabelValues("outside").Set(273.14)
temp.WithLabelValues("inside").Set(298.44)
var parser expfmt.TextParser
text := `
# TYPE humidity_percent gauge
# HELP humidity_percent Humidity in %.
humidity_percent{location="outside"} 45.4
humidity_percent{location="inside"} 33.2
# TYPE temperature_kelvin gauge
# HELP temperature_kelvin Temperature in Kelvin.
temperature_kelvin{location="somewhere else"} 4.5
`
parseText := func() ([]*dto.MetricFamily, error) {
parsed, err := parser.TextToMetricFamilies(strings.NewReader(text))
if err != nil {
return nil, err
}
var result []*dto.MetricFamily
for _, mf := range parsed {
result = append(result, mf)
}
return result, nil
}
gatherers := prometheus.Gatherers{
reg,
prometheus.GathererFunc(parseText),
}
gathering, err := gatherers.Gather()
if err != nil {
fmt.Println(err)
}
out := &bytes.Buffer{}
for _, mf := range gathering {
if _, err := expfmt.MetricFamilyToText(out, mf); err != nil {
panic(err)
}
}
fmt.Print(out.String())
fmt.Println("----------")
// Note how the temperature_kelvin metric family has been merged from
// different sources. Now try
text = `
# TYPE humidity_percent gauge
# HELP humidity_percent Humidity in %.
humidity_percent{location="outside"} 45.4
humidity_percent{location="inside"} 33.2
# TYPE temperature_kelvin gauge
# HELP temperature_kelvin Temperature in Kelvin.
# Duplicate metric:
temperature_kelvin{location="outside"} 265.3
# Wrong labels:
temperature_kelvin 4.5
`
gathering, err = gatherers.Gather()
if err != nil {
fmt.Println(err)
}
// Note that still as many metrics as possible are returned:
out.Reset()
for _, mf := range gathering {
if _, err := expfmt.MetricFamilyToText(out, mf); err != nil {
panic(err)
}
}
fmt.Print(out.String())
// Output:
// # HELP humidity_percent Humidity in %.
// # TYPE humidity_percent gauge
// humidity_percent{location="inside"} 33.2
// humidity_percent{location="outside"} 45.4
// # HELP temperature_kelvin Temperature in Kelvin.
// # TYPE temperature_kelvin gauge
// temperature_kelvin{location="inside"} 298.44
// temperature_kelvin{location="outside"} 273.14
// temperature_kelvin{location="somewhere else"} 4.5
// ----------
// 2 error(s) occurred:
// * collected metric temperature_kelvin label:<name:"location" value:"outside" > gauge:<value:265.3 > was collected before with the same name and label values
// * collected metric temperature_kelvin gauge:<value:4.5 > has label dimensions inconsistent with previously collected metrics in the same metric family
// # HELP humidity_percent Humidity in %.
// # TYPE humidity_percent gauge
// humidity_percent{location="inside"} 33.2
// humidity_percent{location="outside"} 45.4
// # HELP temperature_kelvin Temperature in Kelvin.
// # TYPE temperature_kelvin gauge
// temperature_kelvin{location="inside"} 298.44
// temperature_kelvin{location="outside"} 273.14
}
func ExampleSummaryVec() {
temps := prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Name: "pond_temperature_celsius",
Help: "The temperature of the frog pond.",
Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
},
[]string{"species"},
)
// Simulate some observations.
for i := 0; i < 1000; i++ {
temps.WithLabelValues("litoria-caerulea").Observe(30 + math.Floor(120*math.Sin(float64(i)*0.1))/10)
temps.WithLabelValues("lithobates-catesbeianus").Observe(32 + math.Floor(100*math.Cos(float64(i)*0.11))/10)
}
// Create a Summary without any observations.
temps.WithLabelValues("leiopelma-hochstetteri")
// Just for demonstration, let's check the state of the summary vector
// by registering it with a custom registry and then let it collect the
// metrics.
reg := prometheus.NewRegistry()
reg.MustRegister(temps)
metricFamilies, err := reg.Gather()
if err != nil || len(metricFamilies) != 1 {
panic("unexpected behavior of custom test registry")
}
fmt.Println(proto.MarshalTextString(metricFamilies[0]))
// Output:
// name: "pond_temperature_celsius"
// help: "The temperature of the frog pond."
// type: SUMMARY
// metric: <
// label: <
// name: "species"
// value: "leiopelma-hochstetteri"
// >
// summary: <
// sample_count: 0
// sample_sum: 0
// quantile: <
// quantile: 0.5
// value: nan
// >
// quantile: <
// quantile: 0.9
// value: nan
// >
// quantile: <
// quantile: 0.99
// value: nan
// >
// >
// >
// metric: <
// label: <
// name: "species"
// value: "lithobates-catesbeianus"
// >
// summary: <
// sample_count: 1000
// sample_sum: 31956.100000000017
// quantile: <
// quantile: 0.5
// value: 32.4
// >
// quantile: <
// quantile: 0.9
// value: 41.4
// >
// quantile: <
// quantile: 0.99
// value: 41.9
// >
// >
// >
// metric: <
// label: <
// name: "species"
// value: "litoria-caerulea"
// >
// summary: <
// sample_count: 1000
// sample_sum: 29969.50000000001
// quantile: <
// quantile: 0.5
// value: 31.1
// >
// quantile: <
// quantile: 0.9
// value: 41.3
// >
// quantile: <
// quantile: 0.99
// value: 41.9
// >
// >
// >
}