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parser_test.go
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parser_test.go
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package grok
import (
"log"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGrokParse(t *testing.T) {
parser := Parser{
Measurement: "t_met",
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
parser.Compile()
_, err := parser.Parse([]byte(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`))
assert.NoError(t, err)
}
// Verify that patterns with a regex lookahead fail at compile time.
func TestParsePatternsWithLookahead(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYLOG}"},
CustomPatterns: `
NOBOT ((?!bot|crawl).)*
MYLOG %{NUMBER:num:int} %{NOBOT:client}
`,
}
assert.NoError(t, p.Compile())
_, err := p.ParseLine(`1466004605359052000 bot`)
assert.Error(t, err)
}
func TestMeasurementName(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
}
func TestCLF_IPv6(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
m, err := p.ParseLine(`2001:0db8:85a3:0000:0000:8a2e:0370:7334 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "2001:0db8:85a3:0000:0000:8a2e:0370:7334",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
m, err = p.ParseLine(`::1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "::1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
}
func TestCustomInfluxdbHttpd(t *testing.T) {
p := &Parser{
Patterns: []string{`\[httpd\] %{COMBINED_LOG_FORMAT} %{UUID:uuid:drop} %{NUMBER:response_time_us:int}`},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`[httpd] ::1 - - [14/Jun/2016:11:33:29 +0100] "POST /write?consistency=any&db=telegraf&precision=ns&rp= HTTP/1.1" 204 0 "-" "InfluxDBClient" 6f61bc44-321b-11e6-8050-000000000000 2513`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(0),
"auth": "-",
"client_ip": "::1",
"http_version": float64(1.1),
"ident": "-",
"referrer": "-",
"request": "/write?consistency=any&db=telegraf&precision=ns&rp=",
"response_time_us": int64(2513),
"agent": "InfluxDBClient",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "POST", "resp_code": "204"}, m.Tags())
// Parse an influxdb GET request
m, err = p.ParseLine(`[httpd] ::1 - - [14/Jun/2016:12:10:02 +0100] "GET /query?db=telegraf&q=SELECT+bytes%2Cresponse_time_us+FROM+logparser_grok+WHERE+http_method+%3D+%27GET%27+AND+response_time_us+%3E+0+AND+time+%3E+now%28%29+-+1h HTTP/1.1" 200 578 "http://localhost:8083/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.84 Safari/537.36" 8a3806f1-3220-11e6-8006-000000000000 988`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(578),
"auth": "-",
"client_ip": "::1",
"http_version": float64(1.1),
"ident": "-",
"referrer": "http://localhost:8083/",
"request": "/query?db=telegraf&q=SELECT+bytes%2Cresponse_time_us+FROM+logparser_grok+WHERE+http_method+%3D+%27GET%27+AND+response_time_us+%3E+0+AND+time+%3E+now%28%29+-+1h",
"response_time_us": int64(988),
"agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.84 Safari/537.36",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
}
// common log format
// 127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326
func TestBuiltinCommonLogFormat(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
}
// common log format
// 127.0.0.1 user1234 frank1234 [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326
func TestBuiltinCommonLogFormatWithNumbers(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user1234 frank1234 [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank1234",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user1234",
"request": "/apache_pb.gif",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
}
// combined log format
// 127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla"
func TestBuiltinCombinedLogFormat(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMBINED_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla"`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
"referrer": "-",
"agent": "Mozilla",
},
m.Fields())
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
}
func TestCompileStringAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
RESPONSE_CODE %{NUMBER:response_code:tag}
RESPONSE_TIME %{DURATION:response_time:duration}
TEST_LOG_A %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
}
func TestCompileErrorsOnInvalidPattern(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
RESPONSE_CODE %{NUMBER:response_code:tag}
RESPONSE_TIME %{DURATION:response_time:duration}
TEST_LOG_A %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
`,
}
assert.Error(t, p.Compile())
metricA, _ := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.Nil(t, metricA)
}
func TestParsePatternsWithoutCustom(t *testing.T) {
p := &Parser{
Patterns: []string{"%{POSINT:ts:ts-epochnano} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}"},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1466004605359052000 response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(0, 1466004605359052000), metricA.Time())
}
func TestParseEpochNano(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{POSINT:ts:ts-epochnano} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1466004605359052000 response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(0, 1466004605359052000), metricA.Time())
}
func TestParseEpoch(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{POSINT:ts:ts-epoch} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1466004605 response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(1466004605, 0), metricA.Time())
}
func TestParseEpochDecimal(t *testing.T) {
var tests = []struct {
name string
line string
noMatch bool
err error
tags map[string]string
fields map[string]interface{}
time time.Time
}{
{
name: "ns precision",
line: "1466004605.359052000 value=42",
tags: map[string]string{},
fields: map[string]interface{}{
"value": int64(42),
},
time: time.Unix(0, 1466004605359052000),
},
{
name: "ms precision",
line: "1466004605.359 value=42",
tags: map[string]string{},
fields: map[string]interface{}{
"value": int64(42),
},
time: time.Unix(0, 1466004605359000000),
},
{
name: "second precision",
line: "1466004605 value=42",
tags: map[string]string{},
fields: map[string]interface{}{
"value": int64(42),
},
time: time.Unix(0, 1466004605000000000),
},
{
name: "sub ns precision",
line: "1466004605.123456789123 value=42",
tags: map[string]string{},
fields: map[string]interface{}{
"value": int64(42),
},
time: time.Unix(0, 1466004605123456789),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
parser := &Parser{
Patterns: []string{"%{NUMBER:ts:ts-epoch} value=%{NUMBER:value:int}"},
}
assert.NoError(t, parser.Compile())
m, err := parser.ParseLine(tt.line)
if tt.noMatch {
require.Nil(t, m)
require.Nil(t, err)
return
}
require.Equal(t, tt.err, err)
require.NotNil(t, m)
require.Equal(t, tt.tags, m.Tags())
require.Equal(t, tt.fields, m.Fields())
require.Equal(t, tt.time, m.Time())
})
}
}
func TestParseEpochErrors(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{WORD:ts:ts-epoch} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
_, err := p.ParseLine(`foobar response_time=20821 mymetric=10890.645`)
assert.NoError(t, err)
p = &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{WORD:ts:ts-epochnano} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`foobar response_time=20821 mymetric=10890.645`)
assert.NoError(t, err)
}
func TestParseGenericTimestamp(t *testing.T) {
p := &Parser{
Patterns: []string{`\[%{HTTPDATE:ts:ts}\] response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}`},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[09/Jun/2016:03:37:03 +0000] response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(1465443423, 0).UTC(), metricA.Time().UTC())
metricB, err := p.ParseLine(`[09/Jun/2016:03:37:04 +0000] response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, time.Unix(1465443424, 0).UTC(), metricB.Time().UTC())
}
func TestParseGenericTimestampNotFound(t *testing.T) {
p := &Parser{
Patterns: []string{`\[%{NOTSPACE:ts:ts}\] response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}`},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[foobar] response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
}
func TestCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t,
time.Date(2016, time.June, 4, 12, 41, 45, 0, time.FixedZone("foo", 60*60)).Nanosecond(),
metricA.Time().Nanosecond())
metricB, err := p.ParseLine(`[04/06/2016--12:41:46] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t,
time.Date(2016, time.June, 4, 12, 41, 46, 0, time.FixedZone("foo", 60*60)).Nanosecond(),
metricB.Time().Nanosecond())
}
func TestCompileNoModifiersAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_C}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
TEST_LOG_C %{NUMBER:myfloat} %{NUMBER} %{IPORHOST:clientip} %{DURATION:rt}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": "1.25",
"rt": "5.432µs",
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
}
func TestCompileNoNamesAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_C}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
TEST_LOG_C %{NUMBER} %{NUMBER} %{IPORHOST} %{DURATION}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.Nil(t, metricA)
assert.NoError(t, err)
}
func TestParseNoMatch(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] notnumber 200 192.168.1.1 5.432µs 101`)
assert.NoError(t, err)
assert.Nil(t, metricA)
}
func TestCompileErrors(t *testing.T) {
// Compile fails because there are multiple timestamps:
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts1:ts-httpd} %{HTTPDATE:ts2:ts-httpd} %{NUMBER:mynum:int}
`,
}
assert.Error(t, p.Compile())
// Compile fails because file doesn't exist:
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"/tmp/foo/bar/baz"},
}
assert.Error(t, p.Compile())
}
func TestParseErrors(t *testing.T) {
// Parse fails because the pattern doesn't exist
p := &Parser{
Patterns: []string{"%{TEST_LOG_B}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:int} %{}
`,
}
assert.Error(t, p.Compile())
_, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] notnumber 200 192.168.1.1 5.432µs 101`)
assert.Error(t, err)
// Parse fails because myword is not an int
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:int}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
// Parse fails because myword is not a float
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:float}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
// Parse fails because myword is not a duration
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:duration}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
// Parse fails because the time layout is wrong.
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-unix} %{WORD:myword:duration}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
}
func TestTsModder(t *testing.T) {
tsm := &tsModder{}
reftime := time.Date(2006, time.December, 1, 1, 1, 1, int(time.Millisecond), time.UTC)
modt := tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Microsecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Microsecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Microsecond*3), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, int(time.Microsecond), time.UTC)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*3), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, int(time.Microsecond)*999, time.UTC)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*3), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, 0, time.UTC)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Millisecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Millisecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Millisecond*3), modt)
reftime = time.Time{}
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
}
func TestTsModder_Rollover(t *testing.T) {
tsm := &tsModder{}
reftime := time.Date(2006, time.December, 1, 1, 1, 1, int(time.Millisecond), time.UTC)
modt := tsm.tsMod(reftime)
for i := 1; i < 1000; i++ {
modt = tsm.tsMod(reftime)
}
assert.Equal(t, reftime.Add(time.Microsecond*999+time.Nanosecond), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, int(time.Microsecond), time.UTC)
modt = tsm.tsMod(reftime)
for i := 1; i < 1001; i++ {
modt = tsm.tsMod(reftime)
}
assert.Equal(t, reftime.Add(time.Nanosecond*1000), modt)
}
func TestShortPatternRegression(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TS_UNIX:timestamp:ts-unix} %{NUMBER:value:int}"},
CustomPatterns: `
TS_UNIX %{DAY} %{MONTH} %{MONTHDAY} %{HOUR}:%{MINUTE}:%{SECOND} %{TZ} %{YEAR}
`,
}
require.NoError(t, p.Compile())
metric, err := p.ParseLine(`Wed Apr 12 13:10:34 PST 2017 42`)
require.NoError(t, err)
require.NotNil(t, metric)
require.Equal(t,
map[string]interface{}{
"value": int64(42),
},
metric.Fields())
}
func TestTimezoneEmptyCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
Timezone: "",
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t, int64(1465040505000000000), metricA.Time().UnixNano())
metricB, err := p.ParseLine(`[04/06/2016--12:41:46] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, int64(1465044106000000000), metricB.Time().UnixNano())
}
func TestTimezoneMalformedCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
Timezone: "Something/Weird",
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t, int64(1465040505000000000), metricA.Time().UnixNano())
metricB, err := p.ParseLine(`[04/06/2016--12:41:46] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, int64(1465044106000000000), metricB.Time().UnixNano())
}
func TestTimezoneEuropeCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
Timezone: "Europe/Berlin",
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t, int64(1465040505000000000), metricA.Time().UnixNano())
metricB, err := p.ParseLine(`[04/06/2016--12:41:46] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, int64(1465036906000000000), metricB.Time().UnixNano())
}
func TestTimezoneAmericasCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
Timezone: "Canada/Eastern",
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t, int64(1465040505000000000), metricA.Time().UnixNano())
metricB, err := p.ParseLine(`[04/06/2016--12:41:46] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, int64(1465058506000000000), metricB.Time().UnixNano())
}
func TestTimezoneLocalCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
Timezone: "Local",
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t, int64(1465040505000000000), metricA.Time().UnixNano())
metricB, err := p.ParseLine(`[04/06/2016--12:41:46] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, time.Date(2016, time.June, 4, 12, 41, 46, 0, time.Local).UnixNano(), metricB.Time().UnixNano())
}
func TestNewlineInPatterns(t *testing.T) {
p := &Parser{
Patterns: []string{`
%{SYSLOGTIMESTAMP:timestamp}
`},
}
require.NoError(t, p.Compile())
m, err := p.ParseLine("Apr 10 05:11:57")
require.NoError(t, err)
require.NotNil(t, m)
}
func TestSyslogTimestamp(t *testing.T) {
tests := []struct {
name string
line string
expected time.Time
}{
{
name: "two digit day of month",
line: "Sep 25 09:01:55 value=42",
expected: time.Date(2018, time.September, 25, 9, 1, 55, 0, time.UTC),
},
{
name: "one digit day of month single space",
line: "Sep 2 09:01:55 value=42",
expected: time.Date(2018, time.September, 2, 9, 1, 55, 0, time.UTC),
},
{
name: "one digit day of month double space",
line: "Sep 2 09:01:55 value=42",
expected: time.Date(2018, time.September, 2, 9, 1, 55, 0, time.UTC),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p := &Parser{
Patterns: []string{`%{SYSLOGTIMESTAMP:timestamp:ts-syslog} value=%{NUMBER:value:int}`},
timeFunc: func() time.Time { return time.Date(2017, time.April, 1, 0, 0, 0, 0, time.UTC) },
}
require.NoError(t, p.Compile())
m, err := p.ParseLine(tt.line)
require.NoError(t, err)
require.NotNil(t, m)
require.Equal(t, tt.expected, m.Time())
})
}
}
func TestReplaceTimestampComma(t *testing.T) {
p := &Parser{
Patterns: []string{`%{TIMESTAMP_ISO8601:timestamp:ts-"2006-01-02 15:04:05.000"} successfulMatches=%{NUMBER:value:int}`},
}
require.NoError(t, p.Compile())
m, err := p.ParseLine("2018-02-21 13:10:34,555 successfulMatches=1")
require.NoError(t, err)
require.NotNil(t, m)
require.Equal(t, 2018, m.Time().Year())
require.Equal(t, 13, m.Time().Hour())
require.Equal(t, 34, m.Time().Second())
// Convert nanosecond to millisecond for compare
require.Equal(t, 555, m.Time().Nanosecond()/1000000)
}
func TestDynamicMeasurementModifier(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST}"},
CustomPatterns: "TEST %{NUMBER:var1:tag} %{NUMBER:var2:float} %{WORD:test:measurement}",
}
require.NoError(t, p.Compile())
m, err := p.ParseLine("4 5 hello")
require.NoError(t, err)
require.Equal(t, m.Name(), "hello")
}
func TestStaticMeasurementModifier(t *testing.T) {
p := &Parser{
Patterns: []string{"%{WORD:hi:measurement} %{NUMBER:num:string}"},
}
require.NoError(t, p.Compile())
m, err := p.ParseLine("test_name 42")
log.Printf("%v", m)
require.NoError(t, err)
require.Equal(t, "test_name", m.Name())
}
// tests that the top level measurement name is used
func TestTwoMeasurementModifier(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST:test_name:measurement}"},
CustomPatterns: "TEST %{NUMBER:var1:tag} %{NUMBER:var2:measurement} %{WORD:var3:measurement}",
}
require.NoError(t, p.Compile())
m, err := p.ParseLine("4 5 hello")
require.NoError(t, err)
require.Equal(t, m.Name(), "4 5 hello")
}