Fix syslog timestamp parsing with single digit day of month (#4334)
(cherry picked from commit 9bd5e10133
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parent
54a6c2e69b
commit
c373adb6d8
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@ -293,7 +293,7 @@ func (p *Parser) ParseLine(line string) (telegraf.Metric, error) {
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timestamp = time.Unix(0, iv)
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}
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case SYSLOG_TIMESTAMP:
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ts, err := time.ParseInLocation("Jan 02 15:04:05", v, p.loc)
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ts, err := time.ParseInLocation(time.Stamp, v, p.loc)
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if err == nil {
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if ts.Year() == 0 {
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ts = ts.AddDate(timestamp.Year(), 0, 0)
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@ -971,14 +971,39 @@ func TestNewlineInPatterns(t *testing.T) {
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require.NotNil(t, m)
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}
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func TestSyslogTimestampParser(t *testing.T) {
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p := &Parser{
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Patterns: []string{`%{SYSLOGTIMESTAMP:timestamp:ts-syslog} value=%{NUMBER:value:int}`},
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timeFunc: func() time.Time { return time.Date(2018, time.April, 1, 0, 0, 0, 0, nil) },
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func TestSyslogTimestamp(t *testing.T) {
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tests := []struct {
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name string
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line string
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expected time.Time
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}{
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{
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name: "two digit day of month",
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line: "Sep 25 09:01:55 value=42",
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expected: time.Date(2018, time.September, 25, 9, 1, 55, 0, time.UTC),
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},
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{
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name: "one digit day of month single space",
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line: "Sep 2 09:01:55 value=42",
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expected: time.Date(2018, time.September, 2, 9, 1, 55, 0, time.UTC),
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},
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{
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name: "one digit day of month double space",
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line: "Sep 2 09:01:55 value=42",
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expected: time.Date(2018, time.September, 2, 9, 1, 55, 0, time.UTC),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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p := &Parser{
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Patterns: []string{`%{SYSLOGTIMESTAMP:timestamp:ts-syslog} value=%{NUMBER:value:int}`},
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timeFunc: func() time.Time { return time.Date(2017, time.April, 1, 0, 0, 0, 0, time.UTC) },
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}
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require.NoError(t, p.Compile())
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m, err := p.ParseLine(tt.line)
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require.NoError(t, err)
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require.NotNil(t, m)
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require.Equal(t, tt.expected, m.Time())
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})
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}
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require.NoError(t, p.Compile())
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m, err := p.ParseLine("Sep 25 09:01:55 value=42")
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require.NoError(t, err)
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require.NotNil(t, m)
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require.Equal(t, 2018, m.Time().Year())
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}
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