Allow dos line endings in tail and logparser (#2920)
Parsing dos line ending delimited line protocol is still illegal in most cases.
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148f81682a
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@ -4,6 +4,7 @@ import (
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"fmt"
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"log"
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"reflect"
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"strings"
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"sync"
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"github.com/influxdata/tail"
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@ -207,9 +208,12 @@ func (l *LogParserPlugin) receiver(tailer *tail.Tail) {
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continue
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}
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// Fix up files with Windows line endings.
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text := strings.TrimRight(line.Text, "\r")
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select {
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case <-l.done:
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case l.lines <- line.Text:
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case l.lines <- text:
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}
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}
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}
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@ -2,6 +2,7 @@ package tail
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import (
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"fmt"
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"strings"
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"sync"
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"github.com/influxdata/tail"
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@ -123,7 +124,10 @@ func (t *Tail) receiver(tailer *tail.Tail) {
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tailer.Filename, err))
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continue
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}
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m, err = t.parser.ParseLine(line.Text)
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// Fix up files with Windows line endings.
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text := strings.TrimRight(line.Text, "\r")
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m, err = t.parser.ParseLine(text)
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if err == nil {
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t.acc.AddFields(m.Name(), m.Fields(), m.Tags(), m.Time())
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} else {
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@ -103,3 +103,33 @@ func TestTailBadLine(t *testing.T) {
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acc.WaitError(1)
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assert.Contains(t, acc.Errors[0].Error(), "E! Malformed log line")
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}
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func TestTailDosLineendings(t *testing.T) {
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tmpfile, err := ioutil.TempFile("", "")
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require.NoError(t, err)
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defer os.Remove(tmpfile.Name())
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_, err = tmpfile.WriteString("cpu usage_idle=100\r\ncpu2 usage_idle=200\r\n")
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require.NoError(t, err)
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tt := NewTail()
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tt.FromBeginning = true
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tt.Files = []string{tmpfile.Name()}
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p, _ := parsers.NewInfluxParser()
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tt.SetParser(p)
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defer tt.Stop()
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defer tmpfile.Close()
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acc := testutil.Accumulator{}
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require.NoError(t, tt.Start(&acc))
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require.NoError(t, acc.GatherError(tt.Gather))
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acc.Wait(2)
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acc.AssertContainsFields(t, "cpu",
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map[string]interface{}{
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"usage_idle": float64(100),
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})
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acc.AssertContainsFields(t, "cpu2",
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map[string]interface{}{
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"usage_idle": float64(200),
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})
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}
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