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1019 lines
29 KiB
1019 lines
29 KiB
// Copyright 2017 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package textparse |
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import ( |
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"fmt" |
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"io" |
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"testing" |
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"github.com/prometheus/common/model" |
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"github.com/stretchr/testify/require" |
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"github.com/prometheus/prometheus/model/exemplar" |
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"github.com/prometheus/prometheus/model/labels" |
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) |
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func int64p(x int64) *int64 { return &x } |
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func TestOpenMetricsParse(t *testing.T) { |
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input := `# HELP go_gc_duration_seconds A summary of the GC invocation durations. |
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# TYPE go_gc_duration_seconds summary |
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# UNIT go_gc_duration_seconds seconds |
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go_gc_duration_seconds{quantile="0"} 4.9351e-05 |
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go_gc_duration_seconds{quantile="0.25"} 7.424100000000001e-05 |
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go_gc_duration_seconds{quantile="0.5",a="b"} 8.3835e-05 |
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# HELP nohelp1 |
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# HELP help2 escape \ \n \\ \" \x chars |
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# UNIT nounit |
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go_gc_duration_seconds{quantile="1.0",a="b"} 8.3835e-05 |
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go_gc_duration_seconds_count 99 |
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some:aggregate:rate5m{a_b="c"} 1 |
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# HELP go_goroutines Number of goroutines that currently exist. |
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# TYPE go_goroutines gauge |
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go_goroutines 33 123.123 |
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# TYPE hh histogram |
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hh_bucket{le="+Inf"} 1 |
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# TYPE gh gaugehistogram |
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gh_bucket{le="+Inf"} 1 |
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# TYPE hhh histogram |
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hhh_bucket{le="+Inf"} 1 # {id="histogram-bucket-test"} 4 |
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hhh_count 1 # {id="histogram-count-test"} 4 |
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# TYPE ggh gaugehistogram |
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ggh_bucket{le="+Inf"} 1 # {id="gaugehistogram-bucket-test",xx="yy"} 4 123.123 |
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ggh_count 1 # {id="gaugehistogram-count-test",xx="yy"} 4 123.123 |
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# TYPE smr_seconds summary |
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smr_seconds_count 2.0 # {id="summary-count-test"} 1 123.321 |
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smr_seconds_sum 42.0 # {id="summary-sum-test"} 1 123.321 |
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# TYPE ii info |
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ii{foo="bar"} 1 |
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# TYPE ss stateset |
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ss{ss="foo"} 1 |
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ss{ss="bar"} 0 |
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ss{A="a"} 0 |
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# TYPE un unknown |
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_metric_starting_with_underscore 1 |
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testmetric{_label_starting_with_underscore="foo"} 1 |
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testmetric{label="\"bar\""} 1 |
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# HELP foo Counter with and without labels to certify CT is parsed for both cases |
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# TYPE foo counter |
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foo_total 17.0 1520879607.789 # {id="counter-test"} 5 |
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foo_created 1520872607.123 |
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foo_total{a="b"} 17.0 1520879607.789 # {id="counter-test"} 5 |
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foo_created{a="b"} 1520872607.123 |
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foo_total{le="c"} 21.0 |
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foo_created{le="c"} 1520872621.123 |
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foo_total{le="1"} 10.0 |
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# HELP bar Summary with CT at the end, making sure we find CT even if it's multiple lines a far |
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# TYPE bar summary |
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bar_count 17.0 |
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bar_sum 324789.3 |
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bar{quantile="0.95"} 123.7 |
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bar{quantile="0.99"} 150.0 |
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bar_created 1520872608.124 |
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# HELP baz Histogram with the same objective as above's summary |
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# TYPE baz histogram |
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baz_bucket{le="0.0"} 0 |
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baz_bucket{le="+Inf"} 17 |
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baz_count 17 |
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baz_sum 324789.3 |
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baz_created 1520872609.125 |
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# HELP fizz_created Gauge which shouldn't be parsed as CT |
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# TYPE fizz_created gauge |
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fizz_created 17.0 |
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# HELP something Histogram with _created between buckets and summary |
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# TYPE something histogram |
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something_count 18 |
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something_sum 324789.4 |
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something_created 1520430001 |
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something_bucket{le="0.0"} 1 |
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something_bucket{le="1"} 2 |
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something_bucket{le="+Inf"} 18 |
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# HELP yum Summary with _created between sum and quantiles |
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# TYPE yum summary |
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yum_count 20 |
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yum_sum 324789.5 |
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yum_created 1520430003 |
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yum{quantile="0.95"} 123.7 |
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yum{quantile="0.99"} 150.0 |
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# HELP foobar Summary with _created as the first line |
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# TYPE foobar summary |
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foobar_count 21 |
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foobar_created 1520430004 |
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foobar_sum 324789.6 |
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foobar{quantile="0.95"} 123.8 |
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foobar{quantile="0.99"} 150.1` |
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input += "\n# HELP metric foo\x00bar" |
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input += "\nnull_byte_metric{a=\"abc\x00\"} 1" |
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input += "\n# EOF\n" |
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exp := []parsedEntry{ |
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{ |
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m: "go_gc_duration_seconds", |
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help: "A summary of the GC invocation durations.", |
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}, { |
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m: "go_gc_duration_seconds", |
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typ: model.MetricTypeSummary, |
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}, { |
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m: "go_gc_duration_seconds", |
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unit: "seconds", |
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}, { |
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m: `go_gc_duration_seconds{quantile="0"}`, |
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v: 4.9351e-05, |
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.0"), |
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}, { |
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m: `go_gc_duration_seconds{quantile="0.25"}`, |
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v: 7.424100000000001e-05, |
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.25"), |
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}, { |
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m: `go_gc_duration_seconds{quantile="0.5",a="b"}`, |
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v: 8.3835e-05, |
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.5", "a", "b"), |
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}, { |
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m: "nohelp1", |
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help: "", |
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}, { |
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m: "help2", |
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help: "escape \\ \n \\ \" \\x chars", |
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}, { |
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m: "nounit", |
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unit: "", |
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}, { |
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m: `go_gc_duration_seconds{quantile="1.0",a="b"}`, |
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v: 8.3835e-05, |
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "1.0", "a", "b"), |
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}, { |
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m: `go_gc_duration_seconds_count`, |
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v: 99, |
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lset: labels.FromStrings("__name__", "go_gc_duration_seconds_count"), |
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}, { |
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m: `some:aggregate:rate5m{a_b="c"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "some:aggregate:rate5m", "a_b", "c"), |
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}, { |
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m: "go_goroutines", |
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help: "Number of goroutines that currently exist.", |
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}, { |
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m: "go_goroutines", |
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typ: model.MetricTypeGauge, |
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}, { |
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m: `go_goroutines`, |
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v: 33, |
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t: int64p(123123), |
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lset: labels.FromStrings("__name__", "go_goroutines"), |
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}, { |
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m: "hh", |
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typ: model.MetricTypeHistogram, |
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}, { |
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m: `hh_bucket{le="+Inf"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "hh_bucket", "le", "+Inf"), |
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}, { |
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m: "gh", |
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typ: model.MetricTypeGaugeHistogram, |
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}, { |
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m: `gh_bucket{le="+Inf"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "gh_bucket", "le", "+Inf"), |
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}, { |
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m: "hhh", |
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typ: model.MetricTypeHistogram, |
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}, { |
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m: `hhh_bucket{le="+Inf"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "hhh_bucket", "le", "+Inf"), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "histogram-bucket-test"), Value: 4}, |
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}, |
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}, { |
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m: `hhh_count`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "hhh_count"), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "histogram-count-test"), Value: 4}, |
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}, |
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}, { |
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m: "ggh", |
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typ: model.MetricTypeGaugeHistogram, |
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}, { |
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m: `ggh_bucket{le="+Inf"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "ggh_bucket", "le", "+Inf"), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "gaugehistogram-bucket-test", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123}, |
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}, |
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}, { |
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m: `ggh_count`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "ggh_count"), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "gaugehistogram-count-test", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123}, |
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}, |
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}, { |
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m: "smr_seconds", |
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typ: model.MetricTypeSummary, |
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}, { |
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m: `smr_seconds_count`, |
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v: 2, |
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lset: labels.FromStrings("__name__", "smr_seconds_count"), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "summary-count-test"), Value: 1, HasTs: true, Ts: 123321}, |
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}, |
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}, { |
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m: `smr_seconds_sum`, |
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v: 42, |
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lset: labels.FromStrings("__name__", "smr_seconds_sum"), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "summary-sum-test"), Value: 1, HasTs: true, Ts: 123321}, |
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}, |
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}, { |
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m: "ii", |
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typ: model.MetricTypeInfo, |
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}, { |
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m: `ii{foo="bar"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "ii", "foo", "bar"), |
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}, { |
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m: "ss", |
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typ: model.MetricTypeStateset, |
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}, { |
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m: `ss{ss="foo"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "ss", "ss", "foo"), |
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}, { |
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m: `ss{ss="bar"}`, |
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v: 0, |
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lset: labels.FromStrings("__name__", "ss", "ss", "bar"), |
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}, { |
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m: `ss{A="a"}`, |
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v: 0, |
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lset: labels.FromStrings("A", "a", "__name__", "ss"), |
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}, { |
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m: "un", |
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typ: model.MetricTypeUnknown, |
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}, { |
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m: "_metric_starting_with_underscore", |
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v: 1, |
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lset: labels.FromStrings("__name__", "_metric_starting_with_underscore"), |
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}, { |
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m: "testmetric{_label_starting_with_underscore=\"foo\"}", |
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v: 1, |
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lset: labels.FromStrings("__name__", "testmetric", "_label_starting_with_underscore", "foo"), |
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}, { |
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m: "testmetric{label=\"\\\"bar\\\"\"}", |
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v: 1, |
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lset: labels.FromStrings("__name__", "testmetric", "label", `"bar"`), |
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}, { |
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m: "foo", |
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help: "Counter with and without labels to certify CT is parsed for both cases", |
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}, { |
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m: "foo", |
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typ: model.MetricTypeCounter, |
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}, { |
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m: "foo_total", |
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v: 17, |
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lset: labels.FromStrings("__name__", "foo_total"), |
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t: int64p(1520879607789), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "counter-test"), Value: 5}, |
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}, |
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ct: int64p(1520872607123), |
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}, { |
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m: `foo_total{a="b"}`, |
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v: 17.0, |
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lset: labels.FromStrings("__name__", "foo_total", "a", "b"), |
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t: int64p(1520879607789), |
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es: []exemplar.Exemplar{ |
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{Labels: labels.FromStrings("id", "counter-test"), Value: 5}, |
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}, |
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ct: int64p(1520872607123), |
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}, { |
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m: `foo_total{le="c"}`, |
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v: 21.0, |
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lset: labels.FromStrings("__name__", "foo_total", "le", "c"), |
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ct: int64p(1520872621123), |
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}, { |
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m: `foo_total{le="1"}`, |
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v: 10.0, |
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lset: labels.FromStrings("__name__", "foo_total", "le", "1"), |
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}, { |
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m: "bar", |
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help: "Summary with CT at the end, making sure we find CT even if it's multiple lines a far", |
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}, { |
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m: "bar", |
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typ: model.MetricTypeSummary, |
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}, { |
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m: "bar_count", |
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v: 17.0, |
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lset: labels.FromStrings("__name__", "bar_count"), |
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ct: int64p(1520872608124), |
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}, { |
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m: "bar_sum", |
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v: 324789.3, |
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lset: labels.FromStrings("__name__", "bar_sum"), |
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ct: int64p(1520872608124), |
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}, { |
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m: `bar{quantile="0.95"}`, |
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v: 123.7, |
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lset: labels.FromStrings("__name__", "bar", "quantile", "0.95"), |
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ct: int64p(1520872608124), |
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}, { |
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m: `bar{quantile="0.99"}`, |
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v: 150.0, |
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lset: labels.FromStrings("__name__", "bar", "quantile", "0.99"), |
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ct: int64p(1520872608124), |
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}, { |
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m: "baz", |
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help: "Histogram with the same objective as above's summary", |
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}, { |
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m: "baz", |
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typ: model.MetricTypeHistogram, |
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}, { |
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m: `baz_bucket{le="0.0"}`, |
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v: 0, |
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lset: labels.FromStrings("__name__", "baz_bucket", "le", "0.0"), |
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ct: int64p(1520872609125), |
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}, { |
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m: `baz_bucket{le="+Inf"}`, |
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v: 17, |
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lset: labels.FromStrings("__name__", "baz_bucket", "le", "+Inf"), |
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ct: int64p(1520872609125), |
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}, { |
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m: `baz_count`, |
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v: 17, |
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lset: labels.FromStrings("__name__", "baz_count"), |
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ct: int64p(1520872609125), |
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}, { |
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m: `baz_sum`, |
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v: 324789.3, |
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lset: labels.FromStrings("__name__", "baz_sum"), |
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ct: int64p(1520872609125), |
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}, { |
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m: "fizz_created", |
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help: "Gauge which shouldn't be parsed as CT", |
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}, { |
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m: "fizz_created", |
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typ: model.MetricTypeGauge, |
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}, { |
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m: `fizz_created`, |
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v: 17, |
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lset: labels.FromStrings("__name__", "fizz_created"), |
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}, { |
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m: "something", |
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help: "Histogram with _created between buckets and summary", |
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}, { |
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m: "something", |
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typ: model.MetricTypeHistogram, |
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}, { |
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m: `something_count`, |
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v: 18, |
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lset: labels.FromStrings("__name__", "something_count"), |
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ct: int64p(1520430001000), |
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}, { |
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m: `something_sum`, |
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v: 324789.4, |
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lset: labels.FromStrings("__name__", "something_sum"), |
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ct: int64p(1520430001000), |
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}, { |
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m: `something_bucket{le="0.0"}`, |
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v: 1, |
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lset: labels.FromStrings("__name__", "something_bucket", "le", "0.0"), |
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ct: int64p(1520430001000), |
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}, { |
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m: `something_bucket{le="1"}`, |
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v: 2, |
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lset: labels.FromStrings("__name__", "something_bucket", "le", "1.0"), |
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ct: int64p(1520430001000), |
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}, { |
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m: `something_bucket{le="+Inf"}`, |
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v: 18, |
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lset: labels.FromStrings("__name__", "something_bucket", "le", "+Inf"), |
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ct: int64p(1520430001000), |
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}, { |
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m: "yum", |
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help: "Summary with _created between sum and quantiles", |
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}, { |
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m: "yum", |
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typ: model.MetricTypeSummary, |
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}, { |
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m: `yum_count`, |
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v: 20, |
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lset: labels.FromStrings("__name__", "yum_count"), |
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ct: int64p(1520430003000), |
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}, { |
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m: `yum_sum`, |
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v: 324789.5, |
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lset: labels.FromStrings("__name__", "yum_sum"), |
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ct: int64p(1520430003000), |
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}, { |
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m: `yum{quantile="0.95"}`, |
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v: 123.7, |
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lset: labels.FromStrings("__name__", "yum", "quantile", "0.95"), |
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ct: int64p(1520430003000), |
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}, { |
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m: `yum{quantile="0.99"}`, |
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v: 150.0, |
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lset: labels.FromStrings("__name__", "yum", "quantile", "0.99"), |
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ct: int64p(1520430003000), |
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}, { |
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m: "foobar", |
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help: "Summary with _created as the first line", |
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}, { |
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m: "foobar", |
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typ: model.MetricTypeSummary, |
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}, { |
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m: `foobar_count`, |
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v: 21, |
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lset: labels.FromStrings("__name__", "foobar_count"), |
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ct: int64p(1520430004000), |
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}, { |
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m: `foobar_sum`, |
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v: 324789.6, |
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lset: labels.FromStrings("__name__", "foobar_sum"), |
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ct: int64p(1520430004000), |
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}, { |
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m: `foobar{quantile="0.95"}`, |
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v: 123.8, |
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lset: labels.FromStrings("__name__", "foobar", "quantile", "0.95"), |
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ct: int64p(1520430004000), |
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}, { |
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m: `foobar{quantile="0.99"}`, |
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v: 150.1, |
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lset: labels.FromStrings("__name__", "foobar", "quantile", "0.99"), |
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ct: int64p(1520430004000), |
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}, { |
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m: "metric", |
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help: "foo\x00bar", |
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}, { |
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m: "null_byte_metric{a=\"abc\x00\"}", |
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v: 1, |
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lset: labels.FromStrings("__name__", "null_byte_metric", "a", "abc\x00"), |
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}, |
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} |
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|
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p := NewOpenMetricsParser([]byte(input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped()) |
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got := testParse(t, p) |
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requireEntries(t, exp, got) |
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} |
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|
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func TestUTF8OpenMetricsParse(t *testing.T) { |
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oldValidationScheme := model.NameValidationScheme |
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model.NameValidationScheme = model.UTF8Validation |
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defer func() { |
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model.NameValidationScheme = oldValidationScheme |
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}() |
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|
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input := `# HELP "go.gc_duration_seconds" A summary of the GC invocation durations. |
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# TYPE "go.gc_duration_seconds" summary |
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# UNIT "go.gc_duration_seconds" seconds |
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{"go.gc_duration_seconds",quantile="0"} 4.9351e-05 |
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{"go.gc_duration_seconds",quantile="0.25"} 7.424100000000001e-05 |
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{"go.gc_duration_seconds_created"} 1520872607.123 |
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{"go.gc_duration_seconds",quantile="0.5",a="b"} 8.3835e-05 |
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{"http.status",q="0.9",a="b"} 8.3835e-05 |
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{"http.status",q="0.9",a="b"} 8.3835e-05 |
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{q="0.9","http.status",a="b"} 8.3835e-05 |
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{"go.gc_duration_seconds_sum"} 0.004304266 |
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{"Heizölrückstoßabdämpfung 10€ metric with \"interesting\" {character\nchoices}","strange©™\n'quoted' \"name\""="6"} 10.0` |
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input += "\n# EOF\n" |
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|
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exp := []parsedEntry{ |
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{ |
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m: "go.gc_duration_seconds", |
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help: "A summary of the GC invocation durations.", |
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}, { |
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m: "go.gc_duration_seconds", |
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typ: model.MetricTypeSummary, |
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}, { |
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m: "go.gc_duration_seconds", |
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unit: "seconds", |
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}, { |
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m: `{"go.gc_duration_seconds",quantile="0"}`, |
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v: 4.9351e-05, |
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lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.0"), |
|
ct: int64p(1520872607123), |
|
}, { |
|
m: `{"go.gc_duration_seconds",quantile="0.25"}`, |
|
v: 7.424100000000001e-05, |
|
lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.25"), |
|
ct: int64p(1520872607123), |
|
}, { |
|
m: `{"go.gc_duration_seconds",quantile="0.5",a="b"}`, |
|
v: 8.3835e-05, |
|
lset: labels.FromStrings("__name__", "go.gc_duration_seconds", "quantile", "0.5", "a", "b"), |
|
}, { |
|
m: `{"http.status",q="0.9",a="b"}`, |
|
v: 8.3835e-05, |
|
lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"), |
|
}, { |
|
m: `{"http.status",q="0.9",a="b"}`, |
|
v: 8.3835e-05, |
|
lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"), |
|
}, { |
|
m: `{q="0.9","http.status",a="b"}`, |
|
v: 8.3835e-05, |
|
lset: labels.FromStrings("__name__", "http.status", "q", "0.9", "a", "b"), |
|
}, { |
|
m: `{"go.gc_duration_seconds_sum"}`, |
|
v: 0.004304266, |
|
lset: labels.FromStrings("__name__", "go.gc_duration_seconds_sum"), |
|
}, { |
|
m: `{"Heizölrückstoßabdämpfung 10€ metric with \"interesting\" {character\nchoices}","strange©™\n'quoted' \"name\""="6"}`, |
|
v: 10.0, |
|
lset: labels.FromStrings("__name__", `Heizölrückstoßabdämpfung 10€ metric with "interesting" {character |
|
choices}`, "strange©™\n'quoted' \"name\"", "6"), |
|
}, |
|
} |
|
|
|
p := NewOpenMetricsParser([]byte(input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped()) |
|
got := testParse(t, p) |
|
requireEntries(t, exp, got) |
|
} |
|
|
|
func TestOpenMetricsParseErrors(t *testing.T) { |
|
cases := []struct { |
|
input string |
|
err string |
|
}{ |
|
// Happy cases. EOF is returned by the parser at the end of valid |
|
// data. |
|
{ |
|
input: "# EOF", |
|
err: "EOF", |
|
}, |
|
{ |
|
input: "# EOF\n", |
|
err: "EOF", |
|
}, |
|
// Unhappy cases. |
|
{ |
|
input: "", |
|
err: "data does not end with # EOF", |
|
}, |
|
{ |
|
input: "\n", |
|
err: "expected a valid start token, got \"\\n\" (\"INVALID\") while parsing: \"\\n\"", |
|
}, |
|
{ |
|
input: "metric", |
|
err: "expected value after metric, got \"metric\" (\"EOF\") while parsing: \"metric\"", |
|
}, |
|
{ |
|
input: "metric 1", |
|
err: "data does not end with # EOF", |
|
}, |
|
{ |
|
input: "metric 1\n", |
|
err: "data does not end with # EOF", |
|
}, |
|
{ |
|
input: "metric_total 1 # {aa=\"bb\"} 4", |
|
err: "data does not end with # EOF", |
|
}, |
|
{ |
|
input: "a\n#EOF\n", |
|
err: "expected value after metric, got \"\\n\" (\"INVALID\") while parsing: \"a\\n\"", |
|
}, |
|
{ |
|
input: "\n\n#EOF\n", |
|
err: "expected a valid start token, got \"\\n\" (\"INVALID\") while parsing: \"\\n\"", |
|
}, |
|
{ |
|
input: " a 1\n#EOF\n", |
|
err: "expected a valid start token, got \" \" (\"INVALID\") while parsing: \" \"", |
|
}, |
|
{ |
|
input: "9\n#EOF\n", |
|
err: "expected a valid start token, got \"9\" (\"INVALID\") while parsing: \"9\"", |
|
}, |
|
{ |
|
input: "# TYPE u untyped\n#EOF\n", |
|
err: "invalid metric type \"untyped\"", |
|
}, |
|
{ |
|
input: "# TYPE c counter \n#EOF\n", |
|
err: "invalid metric type \"counter \"", |
|
}, |
|
{ |
|
input: "# TYPE c counter\n#EOF\n", |
|
err: "expected a valid start token, got \"# \" (\"INVALID\") while parsing: \"# \"", |
|
}, |
|
{ |
|
input: "# TYPE \n#EOF\n", |
|
err: "expected metric name after TYPE, got \"\\n\" (\"INVALID\") while parsing: \"# TYPE \\n\"", |
|
}, |
|
{ |
|
input: "# TYPE m\n#EOF\n", |
|
err: "expected text in TYPE", |
|
}, |
|
{ |
|
input: "# UNIT metric suffix\n#EOF\n", |
|
err: "unit \"suffix\" not a suffix of metric \"metric\"", |
|
}, |
|
{ |
|
input: "# UNIT metricsuffix suffix\n#EOF\n", |
|
err: "unit \"suffix\" not a suffix of metric \"metricsuffix\"", |
|
}, |
|
{ |
|
input: "# UNIT m suffix\n#EOF\n", |
|
err: "unit \"suffix\" not a suffix of metric \"m\"", |
|
}, |
|
{ |
|
input: "# UNIT \n#EOF\n", |
|
err: "expected metric name after UNIT, got \"\\n\" (\"INVALID\") while parsing: \"# UNIT \\n\"", |
|
}, |
|
{ |
|
input: "# UNIT m\n#EOF\n", |
|
err: "expected text in UNIT", |
|
}, |
|
{ |
|
input: "# HELP \n#EOF\n", |
|
err: "expected metric name after HELP, got \"\\n\" (\"INVALID\") while parsing: \"# HELP \\n\"", |
|
}, |
|
{ |
|
input: "# HELP m\n#EOF\n", |
|
err: "expected text in HELP", |
|
}, |
|
{ |
|
input: "a\t1\n#EOF\n", |
|
err: "expected value after metric, got \"\\t\" (\"INVALID\") while parsing: \"a\\t\"", |
|
}, |
|
{ |
|
input: "a 1\t2\n#EOF\n", |
|
err: "strconv.ParseFloat: parsing \"1\\t2\": invalid syntax while parsing: \"a 1\\t2\"", |
|
}, |
|
{ |
|
input: "a 1 2 \n#EOF\n", |
|
err: "expected next entry after timestamp, got \" \\n\" (\"INVALID\") while parsing: \"a 1 2 \\n\"", |
|
}, |
|
{ |
|
input: "a 1 2 #\n#EOF\n", |
|
err: "expected next entry after timestamp, got \" #\\n\" (\"TIMESTAMP\") while parsing: \"a 1 2 #\\n\"", |
|
}, |
|
{ |
|
input: "a 1 1z\n#EOF\n", |
|
err: "strconv.ParseFloat: parsing \"1z\": invalid syntax while parsing: \"a 1 1z\"", |
|
}, |
|
{ |
|
input: " # EOF\n", |
|
err: "expected a valid start token, got \" \" (\"INVALID\") while parsing: \" \"", |
|
}, |
|
{ |
|
input: "# EOF\na 1", |
|
err: "unexpected data after # EOF", |
|
}, |
|
{ |
|
input: "# EOF\n\n", |
|
err: "unexpected data after # EOF", |
|
}, |
|
{ |
|
input: "# EOFa 1", |
|
err: "unexpected data after # EOF", |
|
}, |
|
{ |
|
input: "#\tTYPE c counter\n", |
|
err: "expected a valid start token, got \"#\\t\" (\"INVALID\") while parsing: \"#\\t\"", |
|
}, |
|
{ |
|
input: "# TYPE c counter\n", |
|
err: "invalid metric type \" counter\"", |
|
}, |
|
{ |
|
input: "a 1 1 1\n# EOF\n", |
|
err: "expected next entry after timestamp, got \" 1\\n\" (\"TIMESTAMP\") while parsing: \"a 1 1 1\\n\"", |
|
}, |
|
{ |
|
input: "a{b='c'} 1\n# EOF\n", |
|
err: "expected label value, got \"'\" (\"INVALID\") while parsing: \"a{b='\"", |
|
}, |
|
{ |
|
input: "a{,b=\"c\"} 1\n# EOF\n", |
|
err: "expected label name, got \",b\" (\"COMMA\") while parsing: \"a{,b\"", |
|
}, |
|
{ |
|
input: "a{b=\"c\"d=\"e\"} 1\n# EOF\n", |
|
err: "expected comma or brace close, got \"d=\" (\"LNAME\") while parsing: \"a{b=\\\"c\\\"d=\"", |
|
}, |
|
{ |
|
input: "a{b=\"c\",,d=\"e\"} 1\n# EOF\n", |
|
err: "expected label name, got \",d\" (\"COMMA\") while parsing: \"a{b=\\\"c\\\",,d\"", |
|
}, |
|
{ |
|
input: "a{b=\n# EOF\n", |
|
err: "expected label value, got \"\\n\" (\"INVALID\") while parsing: \"a{b=\\n\"", |
|
}, |
|
{ |
|
input: "a{\xff=\"foo\"} 1\n# EOF\n", |
|
err: "expected label name, got \"\\xff\" (\"INVALID\") while parsing: \"a{\\xff\"", |
|
}, |
|
{ |
|
input: "a{b=\"\xff\"} 1\n# EOF\n", |
|
err: "invalid UTF-8 label value: \"\\\"\\xff\\\"\"", |
|
}, |
|
{ |
|
input: `{"a","b = "c"} |
|
# EOF |
|
`, |
|
err: "expected equal, got \"c\\\"\" (\"LNAME\") while parsing: \"{\\\"a\\\",\\\"b = \\\"c\\\"\"", |
|
}, |
|
{ |
|
input: `{"a",b\nc="d"} 1 |
|
# EOF |
|
`, |
|
err: "expected equal, got \"\\\\\" (\"INVALID\") while parsing: \"{\\\"a\\\",b\\\\\"", |
|
}, |
|
{ |
|
input: "a true\n", |
|
err: "strconv.ParseFloat: parsing \"true\": invalid syntax while parsing: \"a true\"", |
|
}, |
|
{ |
|
input: "something_weird{problem=\"\n# EOF\n", |
|
err: "expected label value, got \"\\\"\\n\" (\"INVALID\") while parsing: \"something_weird{problem=\\\"\\n\"", |
|
}, |
|
{ |
|
input: "empty_label_name{=\"\"} 0\n# EOF\n", |
|
err: "expected label name, got \"=\\\"\" (\"EQUAL\") while parsing: \"empty_label_name{=\\\"\"", |
|
}, |
|
{ |
|
input: "foo 1_2\n\n# EOF\n", |
|
err: "unsupported character in float while parsing: \"foo 1_2\"", |
|
}, |
|
{ |
|
input: "foo 0x1p-3\n\n# EOF\n", |
|
err: "unsupported character in float while parsing: \"foo 0x1p-3\"", |
|
}, |
|
{ |
|
input: "foo 0x1P-3\n\n# EOF\n", |
|
err: "unsupported character in float while parsing: \"foo 0x1P-3\"", |
|
}, |
|
{ |
|
input: "foo 0 1_2\n\n# EOF\n", |
|
err: "unsupported character in float while parsing: \"foo 0 1_2\"", |
|
}, |
|
{ |
|
input: "custom_metric_total 1 # {aa=bb}\n# EOF\n", |
|
err: "expected label value, got \"b\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=b\"", |
|
}, |
|
{ |
|
input: "custom_metric_total 1 # {aa=\"bb\"}\n# EOF\n", |
|
err: "expected value after exemplar labels, got \"\\n\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"}\\n\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa="bb"}`, |
|
err: "expected value after exemplar labels, got \"}\" (\"EOF\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"}\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {bb}`, |
|
err: "expected label name, got \"}\" (\"BCLOSE\") while parsing: \"custom_metric_total 1 # {bb}\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {bb, a="dd"}`, |
|
err: "expected label name, got \", \" (\"COMMA\") while parsing: \"custom_metric_total 1 # {bb, \"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa="bb",,cc="dd"} 1`, |
|
err: "expected label name, got \",c\" (\"COMMA\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\",,c\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa="bb"} 1_2`, |
|
err: "unsupported character in float while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"} 1_2\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa="bb"} 0x1p-3`, |
|
err: "unsupported character in float while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"} 0x1p-3\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa="bb"} true`, |
|
err: "strconv.ParseFloat: parsing \"true\": invalid syntax while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\"} true\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa="bb",cc=}`, |
|
err: "expected label value, got \"}\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=\\\"bb\\\",cc=}\"", |
|
}, |
|
{ |
|
input: `custom_metric_total 1 # {aa=\"\xff\"} 9.0`, |
|
err: "expected label value, got \"\\\\\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {aa=\\\\\"", |
|
}, |
|
{ |
|
input: `{b="c",} 1`, |
|
err: "metric name not set while parsing: \"{b=\\\"c\\\",} 1\"", |
|
}, |
|
{ |
|
input: `a 1 NaN`, |
|
err: `invalid timestamp NaN`, |
|
}, |
|
{ |
|
input: `a 1 -Inf`, |
|
err: `invalid timestamp -Inf`, |
|
}, |
|
{ |
|
input: `a 1 Inf`, |
|
err: `invalid timestamp +Inf`, |
|
}, |
|
{ |
|
input: "# TYPE hhh histogram\nhhh_bucket{le=\"+Inf\"} 1 # {aa=\"bb\"} 4 NaN", |
|
err: `invalid exemplar timestamp NaN`, |
|
}, |
|
{ |
|
input: "# TYPE hhh histogram\nhhh_bucket{le=\"+Inf\"} 1 # {aa=\"bb\"} 4 -Inf", |
|
err: `invalid exemplar timestamp -Inf`, |
|
}, |
|
} |
|
|
|
for i, c := range cases { |
|
p := NewOpenMetricsParser([]byte(c.input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped()) |
|
var err error |
|
for err == nil { |
|
_, err = p.Next() |
|
} |
|
require.Equal(t, c.err, err.Error(), "test %d: %s", i, c.input) |
|
} |
|
} |
|
|
|
func TestOMNullByteHandling(t *testing.T) { |
|
cases := []struct { |
|
input string |
|
err string |
|
}{ |
|
{ |
|
input: "null_byte_metric{a=\"abc\x00\"} 1\n# EOF\n", |
|
err: "", |
|
}, |
|
{ |
|
input: "a{b=\"\x00ss\"} 1\n# EOF\n", |
|
err: "", |
|
}, |
|
{ |
|
input: "a{b=\"\x00\"} 1\n# EOF\n", |
|
err: "", |
|
}, |
|
{ |
|
input: "a{b=\"\x00\"} 1\n# EOF", |
|
err: "", |
|
}, |
|
{ |
|
input: "a{b=\x00\"ssss\"} 1\n# EOF\n", |
|
err: "expected label value, got \"\\x00\" (\"INVALID\") while parsing: \"a{b=\\x00\"", |
|
}, |
|
{ |
|
input: "a{b=\"\x00", |
|
err: "expected label value, got \"\\\"\\x00\" (\"INVALID\") while parsing: \"a{b=\\\"\\x00\"", |
|
}, |
|
{ |
|
input: "a{b\x00=\"hiih\"} 1", |
|
err: "expected equal, got \"\\x00\" (\"INVALID\") while parsing: \"a{b\\x00\"", |
|
}, |
|
{ |
|
input: "a\x00{b=\"ddd\"} 1", |
|
err: "expected value after metric, got \"\\x00\" (\"INVALID\") while parsing: \"a\\x00\"", |
|
}, |
|
{ |
|
input: "#", |
|
err: "expected a valid start token, got \"#\" (\"INVALID\") while parsing: \"#\"", |
|
}, |
|
{ |
|
input: "# H", |
|
err: "expected a valid start token, got \"# H\" (\"INVALID\") while parsing: \"# H\"", |
|
}, |
|
{ |
|
input: "custom_metric_total 1 # {b=\x00\"ssss\"} 1\n", |
|
err: "expected label value, got \"\\x00\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {b=\\x00\"", |
|
}, |
|
{ |
|
input: "custom_metric_total 1 # {b=\"\x00ss\"} 1\n", |
|
err: "expected label value, got \"\\\"\\x00\" (\"INVALID\") while parsing: \"custom_metric_total 1 # {b=\\\"\\x00\"", |
|
}, |
|
} |
|
|
|
for i, c := range cases { |
|
p := NewOpenMetricsParser([]byte(c.input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped()) |
|
var err error |
|
for err == nil { |
|
_, err = p.Next() |
|
} |
|
|
|
if c.err == "" { |
|
require.ErrorIs(t, err, io.EOF, "test %d", i) |
|
continue |
|
} |
|
|
|
require.EqualError(t, err, c.err, "test %d", i) |
|
} |
|
} |
|
|
|
// TestCTParseFailures tests known failure edge cases, we know does not work due |
|
// current OM spec limitations or clients with broken OM format. |
|
// TODO(maniktherana): Make sure OM 1.1/2.0 pass CT via metadata or exemplar-like to avoid this. |
|
func TestCTParseFailures(t *testing.T) { |
|
for _, tcase := range []struct { |
|
name string |
|
input string |
|
expected []parsedEntry |
|
}{ |
|
{ |
|
name: "_created line is a first one", |
|
input: `# HELP thing histogram with _created as first line |
|
# TYPE thing histogram |
|
thing_created 1520872607.123 |
|
thing_count 17 |
|
thing_sum 324789.3 |
|
thing_bucket{le="0.0"} 0 |
|
thing_bucket{le="+Inf"} 17 |
|
# HELP thing_c counter with _created as first line |
|
# TYPE thing_c counter |
|
thing_c_created 1520872607.123 |
|
thing_c_total 14123.232 |
|
# EOF |
|
`, |
|
expected: []parsedEntry{ |
|
{ |
|
m: "thing", |
|
help: "histogram with _created as first line", |
|
}, |
|
{ |
|
m: "thing", |
|
typ: model.MetricTypeHistogram, |
|
}, |
|
{ |
|
m: `thing_count`, |
|
ct: nil, // Should be int64p(1520872607123). |
|
}, |
|
{ |
|
m: `thing_sum`, |
|
ct: nil, // Should be int64p(1520872607123). |
|
}, |
|
{ |
|
m: `thing_bucket{le="0.0"}`, |
|
ct: nil, // Should be int64p(1520872607123). |
|
}, |
|
{ |
|
m: `thing_bucket{le="+Inf"}`, |
|
ct: nil, // Should be int64p(1520872607123), |
|
}, |
|
{ |
|
m: "thing_c", |
|
help: "counter with _created as first line", |
|
}, |
|
{ |
|
m: "thing_c", |
|
typ: model.MetricTypeCounter, |
|
}, |
|
{ |
|
m: `thing_c_total`, |
|
ct: nil, // Should be int64p(1520872607123). |
|
}, |
|
}, |
|
}, |
|
{ |
|
// TODO(bwplotka): Kind of correct bevaviour? If yes, let's move to the OK tests above. |
|
name: "maybe counter with no meta", |
|
input: `foo_total 17.0 |
|
foo_created 1520872607.123 |
|
foo_total{a="b"} 17.0 |
|
foo_created{a="b"} 1520872608.123 |
|
# EOF |
|
`, |
|
expected: []parsedEntry{ |
|
{ |
|
m: `foo_total`, |
|
}, |
|
{ |
|
m: `foo_created`, |
|
}, |
|
{ |
|
m: `foo_total{a="b"}`, |
|
}, |
|
{ |
|
m: `foo_created{a="b"}`, |
|
}, |
|
}, |
|
}, |
|
} { |
|
t.Run(fmt.Sprintf("case=%v", tcase.name), func(t *testing.T) { |
|
p := NewOpenMetricsParser([]byte(tcase.input), labels.NewSymbolTable(), WithOMParserCTSeriesSkipped()) |
|
got := testParse(t, p) |
|
resetValAndLset(got) // Keep this test focused on metric, basic entries and CT only. |
|
requireEntries(t, tcase.expected, got) |
|
}) |
|
} |
|
} |
|
|
|
func resetValAndLset(e []parsedEntry) { |
|
for i := range e { |
|
e[i].v = 0 |
|
e[i].lset = labels.EmptyLabels() |
|
} |
|
}
|
|
|