mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-25 21:54:10 -08:00
OpenMetrics: force input to end with # EOF (#6505)
Fixes #1169 Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
This commit is contained in:
Julien Pivotto
Brian Brazil
parent
fa4658e4de
commit
9398b9ac1b
|
|
@ -90,6 +90,7 @@ type OpenMetricsParser struct {
|
|||
hasTS bool
|
||||
start int
|
||||
offsets []int
|
||||
prev token
|
||||
|
||||
eOffsets []int
|
||||
exemplar []byte
|
||||
|
|
@ -232,13 +233,18 @@ func (p *OpenMetricsParser) Next() (Entry, error) {
|
|||
p.exemplarVal = 0
|
||||
p.hasExemplarTs = false
|
||||
|
||||
switch t := p.nextToken(); t {
|
||||
t := p.nextToken()
|
||||
defer func() { p.prev = t }()
|
||||
switch t {
|
||||
case tEofWord:
|
||||
if t := p.nextToken(); t != tEOF {
|
||||
return EntryInvalid, errors.New("unexpected data after # EOF")
|
||||
}
|
||||
return EntryInvalid, io.EOF
|
||||
case tEOF:
|
||||
if p.prev != tEofWord {
|
||||
return EntryInvalid, errors.New("data does not end with # EOF")
|
||||
}
|
||||
return EntryInvalid, io.EOF
|
||||
case tHelp, tType, tUnit:
|
||||
switch t := p.nextToken(); t {
|
||||
|
|
@ -322,7 +328,7 @@ func (p *OpenMetricsParser) Next() (Entry, error) {
|
|||
p.hasTS = false
|
||||
switch t2 := p.nextToken(); t2 {
|
||||
case tEOF:
|
||||
return EntryInvalid, io.EOF
|
||||
return EntryInvalid, errors.New("data does not end with # EOF")
|
||||
case tLinebreak:
|
||||
break
|
||||
case tComment:
|
||||
|
|
@ -382,7 +388,7 @@ func (p *OpenMetricsParser) parseComment() error {
|
|||
p.hasExemplarTs = false
|
||||
switch t2 := p.nextToken(); t2 {
|
||||
case tEOF:
|
||||
return io.EOF
|
||||
return errors.New("data does not end with # EOF")
|
||||
case tLinebreak:
|
||||
break
|
||||
case tTimestamp:
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
// Copyright 2017 The OMetheus Authors
|
||||
// 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
|
||||
|
|
@ -271,72 +271,103 @@ func TestOpenMetricsParseErrors(t *testing.T) {
|
|||
input string
|
||||
err string
|
||||
}{
|
||||
// Happy cases. EOF is returned by the parser at the end of valid
|
||||
// data.
|
||||
{
|
||||
input: "",
|
||||
input: "# EOF",
|
||||
err: "EOF",
|
||||
},
|
||||
{
|
||||
input: "a",
|
||||
err: "expected value after metric, got \"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: " a 1\n",
|
||||
err: "\"INVALID\" \" \" is not a valid start token",
|
||||
input: "metric",
|
||||
err: "expected value after metric, got \"EOF\"",
|
||||
},
|
||||
{
|
||||
input: "9\n",
|
||||
err: "\"INVALID\" \"9\" is not a valid start token",
|
||||
input: "metric 1",
|
||||
err: "data does not end with # EOF",
|
||||
},
|
||||
{
|
||||
input: "# TYPE u untyped\n",
|
||||
err: "invalid metric type \"untyped\"",
|
||||
input: "metric 1\n",
|
||||
err: "data does not end with # EOF",
|
||||
},
|
||||
{
|
||||
input: "# TYPE c counter \n",
|
||||
err: "invalid metric type \"counter \"",
|
||||
input: "metric_total 1 # {aa=\"bb\"} 4",
|
||||
err: "data does not end with # EOF",
|
||||
},
|
||||
{
|
||||
input: "# TYPE c counter\n",
|
||||
err: "\"INVALID\" \" \" is not a valid start token",
|
||||
},
|
||||
{
|
||||
input: "# UNIT metric suffix\n",
|
||||
err: "unit not a suffix of metric \"metric\"",
|
||||
},
|
||||
{
|
||||
input: "# UNIT metricsuffix suffix\n",
|
||||
err: "unit not a suffix of metric \"metricsuffix\"",
|
||||
},
|
||||
{
|
||||
input: "# UNIT m suffix\n",
|
||||
err: "unit not a suffix of metric \"m\"",
|
||||
},
|
||||
{
|
||||
input: "# HELP m\n",
|
||||
err: "expected text in HELP, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "a\t1\n",
|
||||
input: "a\n#EOF\n",
|
||||
err: "expected value after metric, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "a 1\t2\n",
|
||||
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",
|
||||
input: "a 1 2 \n#EOF\n",
|
||||
err: "expected next entry after timestamp, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "a 1 2 #\n",
|
||||
input: "a 1 2 #\n#EOF\n",
|
||||
err: "expected next entry after timestamp, got \"TIMESTAMP\"",
|
||||
},
|
||||
{
|
||||
input: "a 1 1z\n",
|
||||
input: "a 1 1z\n#EOF\n",
|
||||
err: "strconv.ParseFloat: parsing \"1z\": invalid syntax",
|
||||
},
|
||||
{
|
||||
|
|
@ -364,39 +395,39 @@ func TestOpenMetricsParseErrors(t *testing.T) {
|
|||
err: "invalid metric type \" counter\"",
|
||||
},
|
||||
{
|
||||
input: "a 1 1 1\n",
|
||||
input: "a 1 1 1\n# EOF\n",
|
||||
err: "expected next entry after timestamp, got \"TIMESTAMP\"",
|
||||
},
|
||||
{
|
||||
input: "a{b='c'} 1\n",
|
||||
input: "a{b='c'} 1\n# EOF\n",
|
||||
err: "expected label value, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "a{b=\"c\",} 1\n",
|
||||
input: "a{b=\"c\",} 1\n# EOF\n",
|
||||
err: "expected label name, got \"BCLOSE\"",
|
||||
},
|
||||
{
|
||||
input: "a{,b=\"c\"} 1\n",
|
||||
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",
|
||||
input: "a{b=\"c\"d=\"e\"} 1\n# EOF\n",
|
||||
err: "expected comma, got \"LNAME\"",
|
||||
},
|
||||
{
|
||||
input: "a{b=\"c\",,d=\"e\"} 1\n",
|
||||
input: "a{b=\"c\",,d=\"e\"} 1\n# EOF\n",
|
||||
err: "expected label name, got \"COMMA\"",
|
||||
},
|
||||
{
|
||||
input: "a{b=\n",
|
||||
input: "a{b=\n# EOF\n",
|
||||
err: "expected label value, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "a{\xff=\"foo\"} 1\n",
|
||||
input: "a{\xff=\"foo\"} 1\n# EOF\n",
|
||||
err: "expected label name or left brace, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "a{b=\"\xff\"} 1\n",
|
||||
input: "a{b=\"\xff\"} 1\n# EOF\n",
|
||||
err: "invalid UTF-8 label value",
|
||||
},
|
||||
{
|
||||
|
|
@ -404,33 +435,37 @@ func TestOpenMetricsParseErrors(t *testing.T) {
|
|||
err: "strconv.ParseFloat: parsing \"true\": invalid syntax",
|
||||
},
|
||||
{
|
||||
input: "something_weird{problem=\"",
|
||||
input: "something_weird{problem=\"\n# EOF\n",
|
||||
err: "expected label value, got \"INVALID\"",
|
||||
},
|
||||
{
|
||||
input: "empty_label_name{=\"\"} 0",
|
||||
input: "empty_label_name{=\"\"} 0\n# EOF\n",
|
||||
err: "expected label name or left brace, got \"EQUAL\"",
|
||||
},
|
||||
{
|
||||
input: "foo 1_2\n",
|
||||
input: "foo 1_2\n\n# EOF\n",
|
||||
err: "unsupported character in float",
|
||||
},
|
||||
{
|
||||
input: "foo 0x1p-3\n",
|
||||
input: "foo 0x1p-3\n\n# EOF\n",
|
||||
err: "unsupported character in float",
|
||||
},
|
||||
{
|
||||
input: "foo 0x1P-3\n",
|
||||
input: "foo 0x1P-3\n\n# EOF\n",
|
||||
err: "unsupported character in float",
|
||||
},
|
||||
{
|
||||
input: "foo 0 1_2\n",
|
||||
input: "foo 0 1_2\n\n# EOF\n",
|
||||
err: "unsupported character in float",
|
||||
},
|
||||
{
|
||||
input: "custom_metric_total 1 # {aa=bb}",
|
||||
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\"",
|
||||
|
|
@ -471,7 +506,7 @@ func TestOpenMetricsParseErrors(t *testing.T) {
|
|||
for err == nil {
|
||||
_, err = p.Next()
|
||||
}
|
||||
testutil.Equals(t, c.err, err.Error(), "test %d", i)
|
||||
testutil.Equals(t, c.err, err.Error(), "test %d: %s", i, c.input)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue