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Merge pull request #14810 from bboreham/fix-proto-parse-exemplar 

[BUGFIX] Protobuf scraping: reset exemplar position
This commit is contained in:
Björn Rabenstein 2024-09-03 15:05:59 +02:00 committed by GitHub
parent 18cafabeb0 d599c4b28c
commit 4ffb74dae4
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GPG Key ID: B5690EEEBB952194
2 changed files with 213 additions and 25 deletions
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2
model/textparse/protobufparse.go
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@ -409,6 +409,7 @@ func (p *ProtobufParser) Next() (Entry, error) {
switch p.state {
case EntryInvalid:
p.metricPos = 0
p.exemplarPos = 0
p.fieldPos = -2
n, err := readDelimited(p.in[p.inPos:], p.mf)
p.inPos += n
@ -485,6 +486,7 @@ func (p *ProtobufParser) Next() (Entry, error) {
p.metricPos++
p.fieldPos = -2
p.fieldsDone = false
p.exemplarPos = 0
// If this is a metric family containing native
// histograms, we have to switch back to native
// histograms after parsing a classic histogram.

236
model/textparse/protobufparse_test.go
View File

@ -695,6 +695,70 @@ metric: <
timestamp_ms: 1234568
>
`,
`name: "test_histogram_with_native_histogram_exemplars2"
help: "Another histogram with native histogram exemplars."
type: HISTOGRAM
metric: <
histogram: <
sample_count: 175
sample_sum: 0.0008280461746287094
bucket: <
cumulative_count: 2
upper_bound: -0.0004899999999999998
>
bucket: <
cumulative_count: 4
upper_bound: -0.0003899999999999998
>
bucket: <
cumulative_count: 16
upper_bound: -0.0002899999999999998
>
schema: 3
zero_threshold: 2.938735877055719e-39
zero_count: 2
negative_span: <
offset: -162
length: 1
>
negative_span: <
offset: 23
length: 4
>
negative_delta: 1
negative_delta: 3
negative_delta: -2
negative_delta: -1
negative_delta: 1
positive_span: <
offset: -161
length: 1
>
positive_span: <
offset: 8
length: 3
>
positive_delta: 1
positive_delta: 2
positive_delta: -1
positive_delta: -1
exemplars: <
label: <
name: "dummyID"
value: "59780"
>
value: -0.00039
timestamp: <
seconds: 1625851155
nanos: 146848499
>
>
>
timestamp_ms: 1234568
>
`,
}
@ -1276,6 +1340,41 @@ func TestProtobufParse(t *testing.T) {
{Labels: labels.FromStrings("dummyID", "59772"), Value: -0.00052, HasTs: true, Ts: 1625851160156},
},
},
{
m: "test_histogram_with_native_histogram_exemplars2",
help: "Another histogram with native histogram exemplars.",
},
{
m: "test_histogram_with_native_histogram_exemplars2",
typ: model.MetricTypeHistogram,
},
{
m: "test_histogram_with_native_histogram_exemplars2",
t: 1234568,
shs: &histogram.Histogram{
Count: 175,
ZeroCount: 2,
Sum: 0.0008280461746287094,
ZeroThreshold: 2.938735877055719e-39,
Schema: 3,
PositiveSpans: []histogram.Span{
{Offset: -161, Length: 1},
{Offset: 8, Length: 3},
},
NegativeSpans: []histogram.Span{
{Offset: -162, Length: 1},
{Offset: 23, Length: 4},
},
PositiveBuckets: []int64{1, 2, -1, -1},
NegativeBuckets: []int64{1, 3, -2, -1, 1},
},
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2",
),
e: []exemplar.Exemplar{
{Labels: labels.FromStrings("dummyID", "59780"), Value: -0.00039, HasTs: true, Ts: 1625851155146},
},
},
},
},
{
@ -1995,15 +2094,15 @@ func TestProtobufParse(t *testing.T) {
"__name__", "without_quantiles_sum",
),
},
{ // 78
{ // 81
m: "empty_histogram",
help: "A histogram without observations and with a zero threshold of zero but with a no-op span to identify it as a native histogram.",
},
{ // 79
{ // 82
m: "empty_histogram",
typ: model.MetricTypeHistogram,
},
{ // 80
{ // 83
m: "empty_histogram",
shs: &histogram.Histogram{
CounterResetHint: histogram.UnknownCounterReset,
@ -2014,15 +2113,15 @@ func TestProtobufParse(t *testing.T) {
"__name__", "empty_histogram",
),
},
{ // 81
{ // 84
m: "test_counter_with_createdtimestamp",
help: "A counter with a created timestamp.",
},
{ // 82
{ // 85
m: "test_counter_with_createdtimestamp",
typ: model.MetricTypeCounter,
},
{ // 83
{ // 86
m: "test_counter_with_createdtimestamp",
v: 42,
ct: 1000,
@ -2030,15 +2129,15 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_counter_with_createdtimestamp",
),
},
{ // 84
{ // 87
m: "test_summary_with_createdtimestamp",
help: "A summary with a created timestamp.",
},
{ // 85
{ // 88
m: "test_summary_with_createdtimestamp",
typ: model.MetricTypeSummary,
},
{ // 86
{ // 89
m: "test_summary_with_createdtimestamp_count",
v: 42,
ct: 1000,
@ -2046,7 +2145,7 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_summary_with_createdtimestamp_count",
),
},
{ // 87
{ // 90
m: "test_summary_with_createdtimestamp_sum",
v: 1.234,
ct: 1000,
@ -2054,15 +2153,15 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_summary_with_createdtimestamp_sum",
),
},
{ // 88
{ // 91
m: "test_histogram_with_createdtimestamp",
help: "A histogram with a created timestamp.",
},
{ // 89
{ // 92
m: "test_histogram_with_createdtimestamp",
typ: model.MetricTypeHistogram,
},
{ // 90
{ // 93
m: "test_histogram_with_createdtimestamp",
ct: 1000,
shs: &histogram.Histogram{
@ -2074,15 +2173,15 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_histogram_with_createdtimestamp",
),
},
{ // 91
{ // 94
m: "test_gaugehistogram_with_createdtimestamp",
help: "A gauge histogram with a created timestamp.",
},
{ // 92
{ // 95
m: "test_gaugehistogram_with_createdtimestamp",
typ: model.MetricTypeGaugeHistogram,
},
{ // 93
{ // 96
m: "test_gaugehistogram_with_createdtimestamp",
ct: 1000,
shs: &histogram.Histogram{
@ -2094,15 +2193,15 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_gaugehistogram_with_createdtimestamp",
),
},
{ // 94
{ // 97
m: "test_histogram_with_native_histogram_exemplars",
help: "A histogram with native histogram exemplars.",
},
{ // 95
{ // 98
m: "test_histogram_with_native_histogram_exemplars",
typ: model.MetricTypeHistogram,
},
{ // 96
{ // 99
m: "test_histogram_with_native_histogram_exemplars",
t: 1234568,
shs: &histogram.Histogram{
@ -2130,7 +2229,7 @@ func TestProtobufParse(t *testing.T) {
{Labels: labels.FromStrings("dummyID", "59772"), Value: -0.00052, HasTs: true, Ts: 1625851160156},
},
},
{ // 97
{ // 100
m: "test_histogram_with_native_histogram_exemplars_count",
t: 1234568,
v: 175,
@ -2138,7 +2237,7 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_histogram_with_native_histogram_exemplars_count",
),
},
{ // 98
{ // 101
m: "test_histogram_with_native_histogram_exemplars_sum",
t: 1234568,
v: 0.0008280461746287094,
@ -2146,7 +2245,7 @@ func TestProtobufParse(t *testing.T) {
"__name__", "test_histogram_with_native_histogram_exemplars_sum",
),
},
{ // 99
{ // 102
m: "test_histogram_with_native_histogram_exemplars_bucket\xffle\xff-0.0004899999999999998",
t: 1234568,
v: 2,
@ -2155,7 +2254,7 @@ func TestProtobufParse(t *testing.T) {
"le", "-0.0004899999999999998",
),
},
{ // 100
{ // 103
m: "test_histogram_with_native_histogram_exemplars_bucket\xffle\xff-0.0003899999999999998",
t: 1234568,
v: 4,
@ -2167,7 +2266,7 @@ func TestProtobufParse(t *testing.T) {
{Labels: labels.FromStrings("dummyID", "59727"), Value: -0.00039, HasTs: true, Ts: 1625851155146},
},
},
{ // 101
{ // 104
m: "test_histogram_with_native_histogram_exemplars_bucket\xffle\xff-0.0002899999999999998",
t: 1234568,
v: 16,
@ -2179,7 +2278,7 @@ func TestProtobufParse(t *testing.T) {
{Labels: labels.FromStrings("dummyID", "5617"), Value: -0.00029, HasTs: false},
},
},
{ // 102
{ // 105
m: "test_histogram_with_native_histogram_exemplars_bucket\xffle\xff+Inf",
t: 1234568,
v: 175,
@ -2188,6 +2287,93 @@ func TestProtobufParse(t *testing.T) {
"le", "+Inf",
),
},
{ // 106
m: "test_histogram_with_native_histogram_exemplars2",
help: "Another histogram with native histogram exemplars.",
},
{ // 107
m: "test_histogram_with_native_histogram_exemplars2",
typ: model.MetricTypeHistogram,
},
{ // 108
m: "test_histogram_with_native_histogram_exemplars2",
t: 1234568,
shs: &histogram.Histogram{
Count: 175,
ZeroCount: 2,
Sum: 0.0008280461746287094,
ZeroThreshold: 2.938735877055719e-39,
Schema: 3,
PositiveSpans: []histogram.Span{
{Offset: -161, Length: 1},
{Offset: 8, Length: 3},
},
NegativeSpans: []histogram.Span{
{Offset: -162, Length: 1},
{Offset: 23, Length: 4},
},
PositiveBuckets: []int64{1, 2, -1, -1},
NegativeBuckets: []int64{1, 3, -2, -1, 1},
},
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2",
),
e: []exemplar.Exemplar{
{Labels: labels.FromStrings("dummyID", "59780"), Value: -0.00039, HasTs: true, Ts: 1625851155146},
},
},
{ // 109
m: "test_histogram_with_native_histogram_exemplars2_count",
t: 1234568,
v: 175,
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2_count",
),
},
{ // 110
m: "test_histogram_with_native_histogram_exemplars2_sum",
t: 1234568,
v: 0.0008280461746287094,
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2_sum",
),
},
{ // 111
m: "test_histogram_with_native_histogram_exemplars2_bucket\xffle\xff-0.0004899999999999998",
t: 1234568,
v: 2,
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2_bucket",
"le", "-0.0004899999999999998",
),
},
{ // 112
m: "test_histogram_with_native_histogram_exemplars2_bucket\xffle\xff-0.0003899999999999998",
t: 1234568,
v: 4,
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2_bucket",
"le", "-0.0003899999999999998",
),
},
{ // 113
m: "test_histogram_with_native_histogram_exemplars2_bucket\xffle\xff-0.0002899999999999998",
t: 1234568,
v: 16,
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2_bucket",
"le", "-0.0002899999999999998",
),
},
{ // 114
m: "test_histogram_with_native_histogram_exemplars2_bucket\xffle\xff+Inf",
t: 1234568,
v: 175,
lset: labels.FromStrings(
"__name__", "test_histogram_with_native_histogram_exemplars2_bucket",
"le", "+Inf",
),
},
},
},
}