mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-30 07:59:40 -08:00
587 lines
14 KiB
Go
587 lines
14 KiB
Go
// Copyright 2017 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package textparse
|
|
|
|
import (
|
|
"io"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/prometheus/prometheus/pkg/exemplar"
|
|
"github.com/prometheus/prometheus/pkg/labels"
|
|
)
|
|
|
|
func TestOpenMetricsParse(t *testing.T) {
|
|
input := `# HELP go_gc_duration_seconds A summary of the GC invocation durations.
|
|
# TYPE go_gc_duration_seconds summary
|
|
# UNIT go_gc_duration_seconds seconds
|
|
go_gc_duration_seconds{quantile="0"} 4.9351e-05
|
|
go_gc_duration_seconds{quantile="0.25"} 7.424100000000001e-05
|
|
go_gc_duration_seconds{quantile="0.5",a="b"} 8.3835e-05
|
|
# HELP nohelp1
|
|
# HELP help2 escape \ \n \\ \" \x chars
|
|
# UNIT nounit
|
|
go_gc_duration_seconds{quantile="1.0",a="b"} 8.3835e-05
|
|
go_gc_duration_seconds_count 99
|
|
some:aggregate:rate5m{a_b="c"} 1
|
|
# HELP go_goroutines Number of goroutines that currently exist.
|
|
# TYPE go_goroutines gauge
|
|
go_goroutines 33 123.123
|
|
# TYPE hh histogram
|
|
hh_bucket{le="+Inf"} 1
|
|
# TYPE gh gaugehistogram
|
|
gh_bucket{le="+Inf"} 1
|
|
# TYPE hhh histogram
|
|
hhh_bucket{le="+Inf"} 1 # {aa="bb"} 4
|
|
# TYPE ggh gaugehistogram
|
|
ggh_bucket{le="+Inf"} 1 # {cc="dd",xx="yy"} 4 123.123
|
|
# TYPE ii info
|
|
ii{foo="bar"} 1
|
|
# TYPE ss stateset
|
|
ss{ss="foo"} 1
|
|
ss{ss="bar"} 0
|
|
# TYPE un unknown
|
|
_metric_starting_with_underscore 1
|
|
testmetric{_label_starting_with_underscore="foo"} 1
|
|
testmetric{label="\"bar\""} 1
|
|
# TYPE foo counter
|
|
foo_total 17.0 1520879607.789 # {xx="yy"} 5`
|
|
|
|
input += "\n# HELP metric foo\x00bar"
|
|
input += "\nnull_byte_metric{a=\"abc\x00\"} 1"
|
|
input += "\n# EOF\n"
|
|
|
|
int64p := func(x int64) *int64 { return &x }
|
|
|
|
exp := []struct {
|
|
lset labels.Labels
|
|
m string
|
|
t *int64
|
|
v float64
|
|
typ MetricType
|
|
help string
|
|
unit string
|
|
comment string
|
|
e *exemplar.Exemplar
|
|
}{
|
|
{
|
|
m: "go_gc_duration_seconds",
|
|
help: "A summary of the GC invocation durations.",
|
|
}, {
|
|
m: "go_gc_duration_seconds",
|
|
typ: MetricTypeSummary,
|
|
}, {
|
|
m: "go_gc_duration_seconds",
|
|
unit: "seconds",
|
|
}, {
|
|
m: `go_gc_duration_seconds{quantile="0"}`,
|
|
v: 4.9351e-05,
|
|
lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0"),
|
|
}, {
|
|
m: `go_gc_duration_seconds{quantile="0.25"}`,
|
|
v: 7.424100000000001e-05,
|
|
lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "0.25"),
|
|
}, {
|
|
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: "nohelp1",
|
|
help: "",
|
|
}, {
|
|
m: "help2",
|
|
help: "escape \\ \n \\ \" \\x chars",
|
|
}, {
|
|
m: "nounit",
|
|
unit: "",
|
|
}, {
|
|
m: `go_gc_duration_seconds{quantile="1.0",a="b"}`,
|
|
v: 8.3835e-05,
|
|
lset: labels.FromStrings("__name__", "go_gc_duration_seconds", "quantile", "1.0", "a", "b"),
|
|
}, {
|
|
m: `go_gc_duration_seconds_count`,
|
|
v: 99,
|
|
lset: labels.FromStrings("__name__", "go_gc_duration_seconds_count"),
|
|
}, {
|
|
m: `some:aggregate:rate5m{a_b="c"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "some:aggregate:rate5m", "a_b", "c"),
|
|
}, {
|
|
m: "go_goroutines",
|
|
help: "Number of goroutines that currently exist.",
|
|
}, {
|
|
m: "go_goroutines",
|
|
typ: MetricTypeGauge,
|
|
}, {
|
|
m: `go_goroutines`,
|
|
v: 33,
|
|
t: int64p(123123),
|
|
lset: labels.FromStrings("__name__", "go_goroutines"),
|
|
}, {
|
|
m: "hh",
|
|
typ: MetricTypeHistogram,
|
|
}, {
|
|
m: `hh_bucket{le="+Inf"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "hh_bucket", "le", "+Inf"),
|
|
}, {
|
|
m: "gh",
|
|
typ: MetricTypeGaugeHistogram,
|
|
}, {
|
|
m: `gh_bucket{le="+Inf"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "gh_bucket", "le", "+Inf"),
|
|
}, {
|
|
m: "hhh",
|
|
typ: MetricTypeHistogram,
|
|
}, {
|
|
m: `hhh_bucket{le="+Inf"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "hhh_bucket", "le", "+Inf"),
|
|
e: &exemplar.Exemplar{Labels: labels.FromStrings("aa", "bb"), Value: 4},
|
|
}, {
|
|
m: "ggh",
|
|
typ: MetricTypeGaugeHistogram,
|
|
}, {
|
|
m: `ggh_bucket{le="+Inf"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "ggh_bucket", "le", "+Inf"),
|
|
e: &exemplar.Exemplar{Labels: labels.FromStrings("cc", "dd", "xx", "yy"), Value: 4, HasTs: true, Ts: 123123},
|
|
}, {
|
|
m: "ii",
|
|
typ: MetricTypeInfo,
|
|
}, {
|
|
m: `ii{foo="bar"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "ii", "foo", "bar"),
|
|
}, {
|
|
m: "ss",
|
|
typ: MetricTypeStateset,
|
|
}, {
|
|
m: `ss{ss="foo"}`,
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "ss", "ss", "foo"),
|
|
}, {
|
|
m: `ss{ss="bar"}`,
|
|
v: 0,
|
|
lset: labels.FromStrings("__name__", "ss", "ss", "bar"),
|
|
}, {
|
|
m: "un",
|
|
typ: MetricTypeUnknown,
|
|
}, {
|
|
m: "_metric_starting_with_underscore",
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "_metric_starting_with_underscore"),
|
|
}, {
|
|
m: "testmetric{_label_starting_with_underscore=\"foo\"}",
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "testmetric", "_label_starting_with_underscore", "foo"),
|
|
}, {
|
|
m: "testmetric{label=\"\\\"bar\\\"\"}",
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "testmetric", "label", `"bar"`),
|
|
}, {
|
|
m: "foo",
|
|
typ: MetricTypeCounter,
|
|
}, {
|
|
m: "foo_total",
|
|
v: 17,
|
|
lset: labels.FromStrings("__name__", "foo_total"),
|
|
t: int64p(1520879607789),
|
|
e: &exemplar.Exemplar{Labels: labels.FromStrings("xx", "yy"), Value: 5},
|
|
}, {
|
|
m: "metric",
|
|
help: "foo\x00bar",
|
|
}, {
|
|
m: "null_byte_metric{a=\"abc\x00\"}",
|
|
v: 1,
|
|
lset: labels.FromStrings("__name__", "null_byte_metric", "a", "abc\x00"),
|
|
},
|
|
}
|
|
|
|
p := NewOpenMetricsParser([]byte(input))
|
|
i := 0
|
|
|
|
var res labels.Labels
|
|
|
|
for {
|
|
et, err := p.Next()
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
require.NoError(t, err)
|
|
|
|
switch et {
|
|
case EntrySeries:
|
|
m, ts, v := p.Series()
|
|
|
|
var e exemplar.Exemplar
|
|
p.Metric(&res)
|
|
found := p.Exemplar(&e)
|
|
require.Equal(t, exp[i].m, string(m))
|
|
require.Equal(t, exp[i].t, ts)
|
|
require.Equal(t, exp[i].v, v)
|
|
require.Equal(t, exp[i].lset, res)
|
|
if exp[i].e == nil {
|
|
require.Equal(t, false, found)
|
|
} else {
|
|
require.Equal(t, true, found)
|
|
require.Equal(t, *exp[i].e, e)
|
|
}
|
|
res = res[:0]
|
|
|
|
case EntryType:
|
|
m, typ := p.Type()
|
|
require.Equal(t, exp[i].m, string(m))
|
|
require.Equal(t, exp[i].typ, typ)
|
|
|
|
case EntryHelp:
|
|
m, h := p.Help()
|
|
require.Equal(t, exp[i].m, string(m))
|
|
require.Equal(t, exp[i].help, string(h))
|
|
|
|
case EntryUnit:
|
|
m, u := p.Unit()
|
|
require.Equal(t, exp[i].m, string(m))
|
|
require.Equal(t, exp[i].unit, string(u))
|
|
|
|
case EntryComment:
|
|
require.Equal(t, exp[i].comment, string(p.Comment()))
|
|
}
|
|
|
|
i++
|
|
}
|
|
require.Equal(t, len(exp), i)
|
|
}
|
|
|
|
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: "\"INVALID\" \"\\n\" is not a valid start token",
|
|
},
|
|
{
|
|
input: "metric",
|
|
err: "expected value after metric, got \"EOF\"",
|
|
},
|
|
{
|
|
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 \"INVALID\"",
|
|
},
|
|
{
|
|
input: "\n\n#EOF\n",
|
|
err: "\"INVALID\" \"\\n\" is not a valid start token",
|
|
},
|
|
{
|
|
input: " a 1\n#EOF\n",
|
|
err: "\"INVALID\" \" \" is not a valid start token",
|
|
},
|
|
{
|
|
input: "9\n#EOF\n",
|
|
err: "\"INVALID\" \"9\" is not a valid start token",
|
|
},
|
|
{
|
|
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: "\"INVALID\" \" \" is not a valid start token",
|
|
},
|
|
{
|
|
input: "# UNIT metric suffix\n#EOF\n",
|
|
err: "unit not a suffix of metric \"metric\"",
|
|
},
|
|
{
|
|
input: "# UNIT metricsuffix suffix\n#EOF\n",
|
|
err: "unit not a suffix of metric \"metricsuffix\"",
|
|
},
|
|
{
|
|
input: "# UNIT m suffix\n#EOF\n",
|
|
err: "unit not a suffix of metric \"m\"",
|
|
},
|
|
{
|
|
input: "# HELP m\n#EOF\n",
|
|
err: "expected text in HELP, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a\t1\n#EOF\n",
|
|
err: "expected value after metric, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a 1\t2\n#EOF\n",
|
|
err: "strconv.ParseFloat: parsing \"1\\t2\": invalid syntax",
|
|
},
|
|
{
|
|
input: "a 1 2 \n#EOF\n",
|
|
err: "expected next entry after timestamp, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a 1 2 #\n#EOF\n",
|
|
err: "expected next entry after timestamp, got \"TIMESTAMP\"",
|
|
},
|
|
{
|
|
input: "a 1 1z\n#EOF\n",
|
|
err: "strconv.ParseFloat: parsing \"1z\": invalid syntax",
|
|
},
|
|
{
|
|
input: " # EOF\n",
|
|
err: "\"INVALID\" \" \" is not a valid start token",
|
|
},
|
|
{
|
|
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: "\"INVALID\" \"\\t\" is not a valid start token",
|
|
},
|
|
{
|
|
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 \"TIMESTAMP\"",
|
|
},
|
|
{
|
|
input: "a{b='c'} 1\n# EOF\n",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a{b=\"c\",} 1\n# EOF\n",
|
|
err: "expected label name, got \"BCLOSE\"",
|
|
},
|
|
{
|
|
input: "a{,b=\"c\"} 1\n# EOF\n",
|
|
err: "expected label name or left brace, got \"COMMA\"",
|
|
},
|
|
{
|
|
input: "a{b=\"c\"d=\"e\"} 1\n# EOF\n",
|
|
err: "expected comma, got \"LNAME\"",
|
|
},
|
|
{
|
|
input: "a{b=\"c\",,d=\"e\"} 1\n# EOF\n",
|
|
err: "expected label name, got \"COMMA\"",
|
|
},
|
|
{
|
|
input: "a{b=\n# EOF\n",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a{\xff=\"foo\"} 1\n# EOF\n",
|
|
err: "expected label name or left brace, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a{b=\"\xff\"} 1\n# EOF\n",
|
|
err: "invalid UTF-8 label value",
|
|
},
|
|
{
|
|
input: "a true\n",
|
|
err: "strconv.ParseFloat: parsing \"true\": invalid syntax",
|
|
},
|
|
{
|
|
input: "something_weird{problem=\"\n# EOF\n",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "empty_label_name{=\"\"} 0\n# EOF\n",
|
|
err: "expected label name or left brace, got \"EQUAL\"",
|
|
},
|
|
{
|
|
input: "foo 1_2\n\n# EOF\n",
|
|
err: "unsupported character in float",
|
|
},
|
|
{
|
|
input: "foo 0x1p-3\n\n# EOF\n",
|
|
err: "unsupported character in float",
|
|
},
|
|
{
|
|
input: "foo 0x1P-3\n\n# EOF\n",
|
|
err: "unsupported character in float",
|
|
},
|
|
{
|
|
input: "foo 0 1_2\n\n# EOF\n",
|
|
err: "unsupported character in float",
|
|
},
|
|
{
|
|
input: "custom_metric_total 1 # {aa=bb}\n# EOF\n",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "custom_metric_total 1 # {aa=\"bb\"}\n# EOF\n",
|
|
err: "expected value after exemplar labels, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa="bb"}`,
|
|
err: "expected value after exemplar labels, got \"EOF\"",
|
|
},
|
|
{
|
|
input: `custom_metric 1 # {aa="bb"}`,
|
|
err: "metric name custom_metric does not support exemplars",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa="bb",,cc="dd"} 1`,
|
|
err: "expected label name, got \"COMMA\"",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa="bb"} 1_2`,
|
|
err: "unsupported character in float",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa="bb"} 0x1p-3`,
|
|
err: "unsupported character in float",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa="bb"} true`,
|
|
err: "strconv.ParseFloat: parsing \"true\": invalid syntax",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa="bb",cc=}`,
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: `custom_metric_total 1 # {aa=\"\xff\"} 9.0`,
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: `{b="c",} 1`,
|
|
err: `"INVALID" "{" is not a valid start token`,
|
|
},
|
|
}
|
|
|
|
for i, c := range cases {
|
|
p := NewOpenMetricsParser([]byte(c.input))
|
|
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 \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a{b=\"\x00",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a{b\x00=\"hiih\"} 1",
|
|
err: "expected equal, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "a\x00{b=\"ddd\"} 1",
|
|
err: "expected value after metric, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "#",
|
|
err: "\"INVALID\" \" \" is not a valid start token",
|
|
},
|
|
{
|
|
input: "# H",
|
|
err: "\"INVALID\" \" \" is not a valid start token",
|
|
},
|
|
{
|
|
input: "custom_metric_total 1 # {b=\x00\"ssss\"} 1\n",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
{
|
|
input: "custom_metric_total 1 # {b=\"\x00ss\"} 1\n",
|
|
err: "expected label value, got \"INVALID\"",
|
|
},
|
|
}
|
|
|
|
for i, c := range cases {
|
|
p := NewOpenMetricsParser([]byte(c.input))
|
|
var err error
|
|
for err == nil {
|
|
_, err = p.Next()
|
|
}
|
|
|
|
if c.err == "" {
|
|
require.Equal(t, io.EOF, err, "test %d", i)
|
|
continue
|
|
}
|
|
|
|
require.Equal(t, c.err, err.Error(), "test %d", i)
|
|
}
|
|
}
|