mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
849 lines
25 KiB
Go
849 lines
25 KiB
Go
package promscrape
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promrelabel"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
|
|
parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/prometheus"
|
|
)
|
|
|
|
func TestIsAutoMetric(t *testing.T) {
|
|
f := func(metric string, resultExpected bool) {
|
|
t.Helper()
|
|
result := isAutoMetric(metric)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result for isAutoMetric(%q); got %v; want %v", metric, result, resultExpected)
|
|
}
|
|
}
|
|
f("up", true)
|
|
f("scrape_duration_seconds", true)
|
|
f("scrape_samples_scraped", true)
|
|
f("scrape_samples_post_metric_relabeling", true)
|
|
f("scrape_series_added", true)
|
|
f("scrape_timeout_seconds", true)
|
|
f("scrape_samples_limit", true)
|
|
f("scrape_series_limit_samples_dropped", true)
|
|
f("scrape_series_limit", true)
|
|
f("scrape_series_current", true)
|
|
|
|
f("foobar", false)
|
|
f("exported_up", false)
|
|
f("upx", false)
|
|
}
|
|
|
|
func TestAppendExtraLabels(t *testing.T) {
|
|
f := func(sourceLabels, extraLabels string, honorLabels bool, resultExpected string) {
|
|
t.Helper()
|
|
src := promutils.MustNewLabelsFromString(sourceLabels)
|
|
extra := promutils.MustNewLabelsFromString(extraLabels)
|
|
var labels promutils.Labels
|
|
labels.Labels = appendExtraLabels(src.GetLabels(), extra.GetLabels(), 0, honorLabels)
|
|
result := labels.String()
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result; got\n%s\nwant\n%s", result, resultExpected)
|
|
}
|
|
}
|
|
f("{}", "{}", true, "{}")
|
|
f("{}", "{}", false, "{}")
|
|
f("foo", "{}", true, `{__name__="foo"}`)
|
|
f("foo", "{}", false, `{__name__="foo"}`)
|
|
f("foo", "bar", true, `{__name__="foo"}`)
|
|
f("foo", "bar", false, `{exported___name__="foo",__name__="bar"}`)
|
|
f(`{a="b"}`, `{c="d"}`, true, `{a="b",c="d"}`)
|
|
f(`{a="b"}`, `{c="d"}`, false, `{a="b",c="d"}`)
|
|
f(`{a="b"}`, `{a="d"}`, true, `{a="b"}`)
|
|
f(`{a="b"}`, `{a="d"}`, false, `{exported_a="b",a="d"}`)
|
|
f(`{a="b",exported_a="x"}`, `{a="d"}`, true, `{a="b",exported_a="x"}`)
|
|
f(`{a="b",exported_a="x"}`, `{a="d"}`, false, `{exported_a="b",exported_exported_a="x",a="d"}`)
|
|
f(`{a="b"}`, `{a="d",exported_a="x"}`, true, `{a="b",exported_a="x"}`)
|
|
f(`{a="b"}`, `{a="d",exported_a="x"}`, false, `{exported_exported_a="b",a="d",exported_a="x"}`)
|
|
f(`{foo="a",exported_foo="b"}`, `{exported_foo="c"}`, true, `{foo="a",exported_foo="b"}`)
|
|
f(`{foo="a",exported_foo="b"}`, `{exported_foo="c"}`, false, `{foo="a",exported_exported_foo="b",exported_foo="c"}`)
|
|
f(`{foo="a",exported_foo="b"}`, `{exported_foo="c",bar="x"}`, true, `{foo="a",exported_foo="b",bar="x"}`)
|
|
f(`{foo="a",exported_foo="b"}`, `{exported_foo="c",bar="x"}`, false, `{foo="a",exported_exported_foo="b",exported_foo="c",bar="x"}`)
|
|
f(`{foo="a",exported_foo="b"}`, `{exported_foo="c",foo="d"}`, true, `{foo="a",exported_foo="b"}`)
|
|
f(`{foo="a",exported_foo="b"}`, `{exported_foo="c",foo="d"}`, false, `{exported_foo="a",exported_exported_foo="b",exported_foo="c",foo="d"}`)
|
|
}
|
|
|
|
func TestScrapeWorkScrapeInternalFailure(t *testing.T) {
|
|
dataExpected := `
|
|
up 0 123
|
|
scrape_samples_scraped 0 123
|
|
scrape_response_size_bytes 0 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 0 123
|
|
scrape_series_added 0 123
|
|
scrape_timeout_seconds 42 123
|
|
`
|
|
timeseriesExpected := parseData(dataExpected)
|
|
|
|
var sw scrapeWork
|
|
sw.Config = &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
}
|
|
|
|
readDataCalls := 0
|
|
sw.ReadData = func(_ *bytesutil.ByteBuffer) error {
|
|
readDataCalls++
|
|
return fmt.Errorf("error when reading data")
|
|
}
|
|
|
|
pushDataCalls := 0
|
|
var pushDataErr error
|
|
sw.PushData = func(_ *auth.Token, wr *prompbmarshal.WriteRequest) {
|
|
if err := expectEqualTimeseries(wr.Timeseries, timeseriesExpected); err != nil {
|
|
pushDataErr = fmt.Errorf("unexpected data pushed: %w\ngot\n%#v\nwant\n%#v", err, wr.Timeseries, timeseriesExpected)
|
|
}
|
|
pushDataCalls++
|
|
}
|
|
|
|
timestamp := int64(123000)
|
|
tsmGlobal.Register(&sw)
|
|
if err := sw.scrapeInternal(timestamp, timestamp); err == nil {
|
|
t.Fatalf("expecting non-nil error")
|
|
}
|
|
tsmGlobal.Unregister(&sw)
|
|
if pushDataErr != nil {
|
|
t.Fatalf("unexpected error: %s", pushDataErr)
|
|
}
|
|
if readDataCalls != 1 {
|
|
t.Fatalf("unexpected number of readData calls; got %d; want %d", readDataCalls, 1)
|
|
}
|
|
if pushDataCalls != 1 {
|
|
t.Fatalf("unexpected number of pushData calls; got %d; want %d", pushDataCalls, 1)
|
|
}
|
|
}
|
|
|
|
func TestScrapeWorkScrapeInternalSuccess(t *testing.T) {
|
|
f := func(data string, cfg *ScrapeWork, dataExpected string) {
|
|
t.Helper()
|
|
|
|
timeseriesExpected := parseData(dataExpected)
|
|
|
|
var sw scrapeWork
|
|
sw.Config = cfg
|
|
|
|
readDataCalls := 0
|
|
sw.ReadData = func(dst *bytesutil.ByteBuffer) error {
|
|
readDataCalls++
|
|
dst.B = append(dst.B, data...)
|
|
return nil
|
|
}
|
|
|
|
pushDataCalls := 0
|
|
var pushDataErr error
|
|
sw.PushData = func(_ *auth.Token, wr *prompbmarshal.WriteRequest) {
|
|
pushDataCalls++
|
|
if len(wr.Timeseries) > len(timeseriesExpected) {
|
|
pushDataErr = fmt.Errorf("too many time series obtained; got %d; want %d\ngot\n%+v\nwant\n%+v",
|
|
len(wr.Timeseries), len(timeseriesExpected), wr.Timeseries, timeseriesExpected)
|
|
return
|
|
}
|
|
tsExpected := timeseriesExpected[:len(wr.Timeseries)]
|
|
timeseriesExpected = timeseriesExpected[len(tsExpected):]
|
|
if err := expectEqualTimeseries(wr.Timeseries, tsExpected); err != nil {
|
|
pushDataErr = fmt.Errorf("unexpected data pushed: %w\ngot\n%v\nwant\n%v", err, wr.Timeseries, tsExpected)
|
|
return
|
|
}
|
|
}
|
|
|
|
timestamp := int64(123000)
|
|
tsmGlobal.Register(&sw)
|
|
if err := sw.scrapeInternal(timestamp, timestamp); err != nil {
|
|
if !strings.Contains(err.Error(), "sample_limit") {
|
|
t.Fatalf("unexpected error: %s", err)
|
|
}
|
|
}
|
|
tsmGlobal.Unregister(&sw)
|
|
if pushDataErr != nil {
|
|
t.Fatalf("unexpected error: %s", pushDataErr)
|
|
}
|
|
if readDataCalls != 1 {
|
|
t.Fatalf("unexpected number of readData calls; got %d; want %d", readDataCalls, 1)
|
|
}
|
|
if pushDataCalls == 0 {
|
|
t.Fatalf("missing pushData calls")
|
|
}
|
|
if len(timeseriesExpected) != 0 {
|
|
t.Fatalf("%d series weren't pushed", len(timeseriesExpected))
|
|
}
|
|
}
|
|
|
|
f(``, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
}, `
|
|
up 1 123
|
|
scrape_samples_scraped 0 123
|
|
scrape_response_size_bytes 0 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 0 123
|
|
scrape_series_added 0 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
f(`
|
|
foo{bar="baz",empty_label=""} 34.45 3
|
|
abc -2
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
}, `
|
|
foo{bar="baz"} 34.45 123
|
|
abc -2 123
|
|
up 1 123
|
|
scrape_samples_scraped 2 123
|
|
scrape_response_size_bytes 51 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 2 123
|
|
scrape_series_added 2 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
f(`
|
|
foo{bar="baz"} 34.45 3
|
|
abc -2
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorTimestamps: true,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"foo": "x",
|
|
}),
|
|
}, `
|
|
foo{bar="baz",foo="x"} 34.45 3
|
|
abc{foo="x"} -2 123
|
|
up{foo="x"} 1 123
|
|
scrape_samples_scraped{foo="x"} 2 123
|
|
scrape_response_size_bytes{foo="x"} 36 123
|
|
scrape_duration_seconds{foo="x"} 0 123
|
|
scrape_samples_post_metric_relabeling{foo="x"} 2 123
|
|
scrape_series_added{foo="x"} 2 123
|
|
scrape_timeout_seconds{foo="x"} 42 123
|
|
`)
|
|
f(`
|
|
foo{job="orig",bar="baz"} 34.45
|
|
bar{y="2",job="aa",a="b",x="1"} -3e4 2345
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: false,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"job": "override",
|
|
}),
|
|
}, `
|
|
foo{exported_job="orig",job="override",bar="baz"} 34.45 123
|
|
bar{exported_job="aa",job="override",x="1",a="b",y="2"} -3e4 123
|
|
up{job="override"} 1 123
|
|
scrape_samples_scraped{job="override"} 2 123
|
|
scrape_response_size_bytes{job="override"} 80 123
|
|
scrape_duration_seconds{job="override"} 0 123
|
|
scrape_samples_post_metric_relabeling{job="override"} 2 123
|
|
scrape_series_added{job="override"} 2 123
|
|
scrape_timeout_seconds{job="override"} 42 123
|
|
`)
|
|
// Empty instance override. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/453
|
|
f(`
|
|
no_instance{instance="",job="some_job",label="val1",test=""} 5555
|
|
test_with_instance{instance="some_instance",job="some_job",label="val2",test=""} 1555
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: true,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"instance": "foobar",
|
|
"job": "xxx",
|
|
}),
|
|
}, `
|
|
no_instance{job="some_job",label="val1"} 5555 123
|
|
test_with_instance{instance="some_instance",job="some_job",label="val2"} 1555 123
|
|
up{instance="foobar",job="xxx"} 1 123
|
|
scrape_samples_scraped{instance="foobar",job="xxx"} 2 123
|
|
scrape_response_size_bytes{instance="foobar",job="xxx"} 158 123
|
|
scrape_duration_seconds{instance="foobar",job="xxx"} 0 123
|
|
scrape_samples_post_metric_relabeling{instance="foobar",job="xxx"} 2 123
|
|
scrape_series_added{instance="foobar",job="xxx"} 2 123
|
|
scrape_timeout_seconds{instance="foobar",job="xxx"} 42 123
|
|
`)
|
|
f(`
|
|
no_instance{instance="",job="some_job",label="val1",test=""} 5555
|
|
test_with_instance{instance="some_instance",job="some_job",label="val2",test=""} 1555
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: false,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"instance": "foobar",
|
|
"job": "xxx",
|
|
}),
|
|
}, `
|
|
no_instance{exported_job="some_job",instance="foobar",job="xxx",label="val1"} 5555 123
|
|
test_with_instance{exported_instance="some_instance",exported_job="some_job",instance="foobar",job="xxx",label="val2"} 1555 123
|
|
up{instance="foobar",job="xxx"} 1 123
|
|
scrape_samples_scraped{instance="foobar",job="xxx"} 2 123
|
|
scrape_response_size_bytes{instance="foobar",job="xxx"} 158 123
|
|
scrape_duration_seconds{instance="foobar",job="xxx"} 0 123
|
|
scrape_samples_post_metric_relabeling{instance="foobar",job="xxx"} 2 123
|
|
scrape_series_added{instance="foobar",job="xxx"} 2 123
|
|
scrape_timeout_seconds{instance="foobar",job="xxx"} 42 123
|
|
`)
|
|
f(`
|
|
foo{job="orig",bar="baz"} 34.45
|
|
bar{job="aa",a="b"} -3e4 2345
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: true,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"job": "override",
|
|
}),
|
|
}, `
|
|
foo{job="orig",bar="baz"} 34.45 123
|
|
bar{job="aa",a="b"} -3e4 123
|
|
up{job="override"} 1 123
|
|
scrape_samples_scraped{job="override"} 2 123
|
|
scrape_response_size_bytes{job="override"} 68 123
|
|
scrape_duration_seconds{job="override"} 0 123
|
|
scrape_samples_post_metric_relabeling{job="override"} 2 123
|
|
scrape_series_added{job="override"} 2 123
|
|
scrape_timeout_seconds{job="override"} 42 123
|
|
`)
|
|
f(`
|
|
foo{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: true,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"job": "xx",
|
|
"__address__": "foo.com",
|
|
}),
|
|
MetricRelabelConfigs: mustParseRelabelConfigs(`
|
|
- action: replace
|
|
source_labels: ["__address__", "job"]
|
|
separator: "/"
|
|
target_label: "instance"
|
|
- action: labeldrop
|
|
regex: c
|
|
`),
|
|
}, `
|
|
foo{bar="baz",job="xx",instance="foo.com/xx"} 34.44 123
|
|
bar{a="b",job="xx",instance="foo.com/xx"} -3e4 123
|
|
up{job="xx"} 1 123
|
|
scrape_samples_scraped{job="xx"} 2 123
|
|
scrape_response_size_bytes{job="xx"} 49 123
|
|
scrape_duration_seconds{job="xx"} 0 123
|
|
scrape_samples_post_metric_relabeling{job="xx"} 2 123
|
|
scrape_series_added{job="xx"} 2 123
|
|
scrape_timeout_seconds{job="xx"} 42 123
|
|
`)
|
|
f(`
|
|
foo{bar="baz"} 34.44
|
|
bar{a="b",c="d",} -3e4
|
|
dropme{foo="bar"} 334
|
|
dropme{xxx="yy",ss="dsf"} 843
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: true,
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"job": "xx",
|
|
"instance": "foo.com",
|
|
}),
|
|
MetricRelabelConfigs: mustParseRelabelConfigs(`
|
|
- action: drop
|
|
separator: ""
|
|
source_labels: [a, c]
|
|
regex: "^bd$"
|
|
- action: drop
|
|
source_labels: [__name__]
|
|
regex: "dropme|up"
|
|
`),
|
|
}, `
|
|
foo{bar="baz",job="xx",instance="foo.com"} 34.44 123
|
|
up{job="xx",instance="foo.com"} 1 123
|
|
scrape_samples_scraped{job="xx",instance="foo.com"} 4 123
|
|
scrape_response_size_bytes{job="xx",instance="foo.com"} 106 123
|
|
scrape_duration_seconds{job="xx",instance="foo.com"} 0 123
|
|
scrape_samples_post_metric_relabeling{job="xx",instance="foo.com"} 1 123
|
|
scrape_series_added{job="xx",instance="foo.com"} 4 123
|
|
scrape_timeout_seconds{job="xx",instance="foo.com"} 42 123
|
|
`)
|
|
// Scrape metrics with names clashing with auto metrics
|
|
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3406
|
|
f(`
|
|
up{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
scrape_series_added 3.435
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
}, `
|
|
up{bar="baz"} 34.44 123
|
|
bar{a="b",c="d"} -3e4 123
|
|
exported_scrape_series_added 3.435 123
|
|
up 1 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_response_size_bytes 76 123
|
|
scrape_samples_scraped 3 123
|
|
scrape_samples_post_metric_relabeling 3 123
|
|
scrape_timeout_seconds 42 123
|
|
scrape_series_added 3 123
|
|
`)
|
|
f(`
|
|
up{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
scrape_series_added 3.435
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: true,
|
|
}, `
|
|
up{bar="baz"} 34.44 123
|
|
bar{a="b",c="d"} -3e4 123
|
|
scrape_series_added 3.435 123
|
|
up 1 123
|
|
scrape_samples_scraped 3 123
|
|
scrape_response_size_bytes 76 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 3 123
|
|
scrape_series_added 3 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
// Scrape success with the given SampleLimit.
|
|
f(`
|
|
foo{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
SampleLimit: 2,
|
|
}, `
|
|
foo{bar="baz"} 34.44 123
|
|
bar{a="b",c="d"} -3e4 123
|
|
up 1 123
|
|
scrape_samples_limit 2 123
|
|
scrape_response_size_bytes 49 123
|
|
scrape_samples_scraped 2 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 2 123
|
|
scrape_series_added 2 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
// Scrape failure because of the exceeded SampleLimit
|
|
f(`
|
|
foo{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
HonorLabels: true,
|
|
SampleLimit: 1,
|
|
SeriesLimit: 123,
|
|
}, `
|
|
up 0 123
|
|
scrape_samples_scraped 2 123
|
|
scrape_response_size_bytes 0 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 2 123
|
|
scrape_samples_limit 1 123
|
|
scrape_series_added 0 123
|
|
scrape_series_current 0 123
|
|
scrape_series_limit 123 123
|
|
scrape_series_limit_samples_dropped 0 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
// Scrape success with the given SeriesLimit.
|
|
f(`
|
|
foo{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
SeriesLimit: 123,
|
|
}, `
|
|
foo{bar="baz"} 34.44 123
|
|
bar{a="b",c="d"} -3e4 123
|
|
up 1 123
|
|
scrape_samples_scraped 2 123
|
|
scrape_response_size_bytes 49 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 2 123
|
|
scrape_series_added 2 123
|
|
scrape_series_current 2 123
|
|
scrape_series_limit 123 123
|
|
scrape_series_limit_samples_dropped 0 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
// Exceed SeriesLimit.
|
|
f(`
|
|
foo{bar="baz"} 34.44
|
|
bar{a="b",c="d"} -3e4
|
|
`, &ScrapeWork{
|
|
ScrapeTimeout: time.Second * 42,
|
|
SeriesLimit: 1,
|
|
}, `
|
|
foo{bar="baz"} 34.44 123
|
|
up 1 123
|
|
scrape_samples_scraped 2 123
|
|
scrape_response_size_bytes 49 123
|
|
scrape_duration_seconds 0 123
|
|
scrape_samples_post_metric_relabeling 2 123
|
|
scrape_series_added 2 123
|
|
scrape_series_current 1 123
|
|
scrape_series_limit 1 123
|
|
scrape_series_limit_samples_dropped 1 123
|
|
scrape_timeout_seconds 42 123
|
|
`)
|
|
}
|
|
|
|
func TestAddRowToTimeseriesNoRelabeling(t *testing.T) {
|
|
f := func(row string, cfg *ScrapeWork, dataExpected string) {
|
|
t.Helper()
|
|
sw := scrapeWork{
|
|
Config: cfg,
|
|
}
|
|
var wc writeRequestCtx
|
|
r := parsePromRow(row)
|
|
sw.addRowToTimeseries(&wc, r, r.Timestamp, false)
|
|
tss := wc.writeRequest.Timeseries
|
|
tssExpected := parseData(dataExpected)
|
|
if err := expectEqualTimeseries(tss, tssExpected); err != nil {
|
|
t.Fatalf("%s\ngot\n%v\nwant\n%v", err, tss, tssExpected)
|
|
}
|
|
}
|
|
|
|
// HonorLabels=false, empty Labels and ExternalLabels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
HonorLabels: false,
|
|
},
|
|
`metric 0 123`)
|
|
f(`metric{a="f"} 0 123`,
|
|
&ScrapeWork{
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f"} 0 123`)
|
|
// HonorLabels=true, empty Labels and ExternalLabels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
HonorLabels: true,
|
|
},
|
|
`metric 0 123`)
|
|
f(`metric{a="f"} 0 123`,
|
|
&ScrapeWork{
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f"} 0 123`)
|
|
// HonorLabels=false, non-empty Labels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",foo="bar"} 0 123`)
|
|
// HonorLabels=true, non-empty Labels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f",foo="bar"} 0 123`)
|
|
// HonorLabels=false, non-empty ExternalLabels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",foo="bar"} 0 123`)
|
|
// HonorLabels=true, non-empty ExternalLabels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f",foo="bar"} 0 123`)
|
|
// HonorLabels=false, non-empty Labels and ExternalLabels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"x": "y",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",x="y"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"x": "y",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",foo="bar",x="y"} 0 123`)
|
|
// HonorLabels=true, non-empty Labels and ExternalLabels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"x": "y",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f",x="y"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"x": "y",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="f",foo="bar",x="y"} 0 123`)
|
|
// HonorLabels=false, clashing Labels and metric label
|
|
f(`metric{a="b"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",exported_a="b"} 0 123`)
|
|
// HonorLabels=true, clashing Labels and metric label
|
|
f(`metric{a="b"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="b"} 0 123`)
|
|
// HonorLabels=false, clashing ExternalLabels and metric label
|
|
f(`metric{a="b"} 0 123`,
|
|
&ScrapeWork{
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",exported_a="b"} 0 123`)
|
|
// HonorLabels=true, clashing ExternalLabels and metric label
|
|
f(`metric{a="b"} 0 123`,
|
|
&ScrapeWork{
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="b"} 0 123`)
|
|
// HonorLabels=false, clashing Labels and ExternalLAbels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "e",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",exported_a="e"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "e",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: false,
|
|
},
|
|
`metric{a="f",foo="bar",exported_a="e"} 0 123`)
|
|
// HonorLabels=true, clashing Labels and ExternalLAbels
|
|
f(`metric 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "e",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="e"} 0 123`)
|
|
f(`metric{foo="bar"} 0 123`,
|
|
&ScrapeWork{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "e",
|
|
}),
|
|
ExternalLabels: promutils.NewLabelsFromMap(map[string]string{
|
|
"a": "f",
|
|
}),
|
|
HonorLabels: true,
|
|
},
|
|
`metric{a="e",foo="bar"} 0 123`)
|
|
}
|
|
|
|
func TestSendStaleSeries(t *testing.T) {
|
|
f := func(lastScrape, currScrape string, staleMarksExpected int) {
|
|
t.Helper()
|
|
var sw scrapeWork
|
|
sw.Config = &ScrapeWork{
|
|
NoStaleMarkers: false,
|
|
}
|
|
common.StartUnmarshalWorkers()
|
|
defer common.StopUnmarshalWorkers()
|
|
|
|
var staleMarks int
|
|
sw.PushData = func(_ *auth.Token, wr *prompbmarshal.WriteRequest) {
|
|
staleMarks += len(wr.Timeseries)
|
|
}
|
|
sw.sendStaleSeries(lastScrape, currScrape, 0, false)
|
|
if staleMarks != staleMarksExpected {
|
|
t.Fatalf("unexpected number of stale marks; got %d; want %d", staleMarks, staleMarksExpected)
|
|
}
|
|
}
|
|
generateScrape := func(n int) string {
|
|
w := strings.Builder{}
|
|
for i := 0; i < n; i++ {
|
|
w.WriteString(fmt.Sprintf("foo_%d 1\n", i))
|
|
}
|
|
return w.String()
|
|
}
|
|
|
|
f("", "", 0)
|
|
f(generateScrape(10), generateScrape(10), 0)
|
|
f(generateScrape(10), "", 10)
|
|
f("", generateScrape(10), 0)
|
|
f(generateScrape(10), generateScrape(3), 7)
|
|
f(generateScrape(3), generateScrape(10), 0)
|
|
f(generateScrape(20000), generateScrape(10), 19990)
|
|
}
|
|
|
|
func parsePromRow(data string) *parser.Row {
|
|
var rows parser.Rows
|
|
errLogger := func(s string) {
|
|
panic(fmt.Errorf("unexpected error when unmarshaling Prometheus rows: %s", s))
|
|
}
|
|
rows.UnmarshalWithErrLogger(data, errLogger)
|
|
if len(rows.Rows) != 1 {
|
|
panic(fmt.Errorf("unexpected number of rows parsed from %q; got %d; want %d", data, len(rows.Rows), 1))
|
|
}
|
|
return &rows.Rows[0]
|
|
}
|
|
|
|
func parseData(data string) []prompbmarshal.TimeSeries {
|
|
return prompbmarshal.MustParsePromMetrics(data, 0)
|
|
}
|
|
|
|
func expectEqualTimeseries(tss, tssExpected []prompbmarshal.TimeSeries) error {
|
|
m, err := timeseriesToMap(tss)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid generated timeseries: %w", err)
|
|
}
|
|
mExpected, err := timeseriesToMap(tssExpected)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid expected timeseries: %w", err)
|
|
}
|
|
if len(m) != len(mExpected) {
|
|
return fmt.Errorf("unexpected time series len; got %d; want %d", len(m), len(mExpected))
|
|
}
|
|
for k, tsExpected := range mExpected {
|
|
ts := m[k]
|
|
if ts != tsExpected {
|
|
return fmt.Errorf("unexpected timeseries %q;\ngot\n%s\nwant\n%s", k, ts, tsExpected)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func timeseriesToMap(tss []prompbmarshal.TimeSeries) (map[string]string, error) {
|
|
m := make(map[string]string, len(tss))
|
|
for i := range tss {
|
|
ts := &tss[i]
|
|
if len(ts.Labels) == 0 {
|
|
return nil, fmt.Errorf("unexpected empty labels for timeseries #%d; timeseries: %#v", i, ts)
|
|
}
|
|
if len(ts.Samples) != 1 {
|
|
return nil, fmt.Errorf("unexpected number of samples for timeseries #%d; got %d; want %d", i, len(ts.Samples), 1)
|
|
}
|
|
if ts.Labels[0].Name != "__name__" {
|
|
return nil, fmt.Errorf("unexpected first name for timeseries #%d; got %q; want %q", i, ts.Labels[0].Name, "__name__")
|
|
}
|
|
if ts.Labels[0].Value == "scrape_duration_seconds" {
|
|
// Reset scrape_duration_seconds value to 0, since it is non-deterministic
|
|
ts.Samples[0].Value = 0
|
|
}
|
|
m[ts.Labels[0].Value] = timeseriesToString(ts)
|
|
}
|
|
return m, nil
|
|
}
|
|
|
|
func timeseriesToString(ts *prompbmarshal.TimeSeries) string {
|
|
promrelabel.SortLabels(ts.Labels)
|
|
var sb strings.Builder
|
|
fmt.Fprintf(&sb, "{")
|
|
for i, label := range ts.Labels {
|
|
fmt.Fprintf(&sb, "%s=%q", label.Name, label.Value)
|
|
if i+1 < len(ts.Labels) {
|
|
fmt.Fprintf(&sb, ",")
|
|
}
|
|
}
|
|
fmt.Fprintf(&sb, "} ")
|
|
if len(ts.Samples) != 1 {
|
|
panic(fmt.Errorf("expecting a single sample; got %d samples", len(ts.Samples)))
|
|
}
|
|
s := ts.Samples[0]
|
|
fmt.Fprintf(&sb, "%g %d", s.Value, s.Timestamp)
|
|
return sb.String()
|
|
}
|
|
|
|
func mustParseRelabelConfigs(config string) *promrelabel.ParsedConfigs {
|
|
pcs, err := promrelabel.ParseRelabelConfigsData([]byte(config))
|
|
if err != nil {
|
|
panic(fmt.Errorf("cannot parse %q: %w", config, err))
|
|
}
|
|
return pcs
|
|
}
|