55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
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package shim
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import (
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"bufio"
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"fmt"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/models"
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"github.com/influxdata/telegraf/plugins/parsers/influx"
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)
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// AddOutput adds the input to the shim. Later calls to Run() will run this.
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func (s *Shim) AddOutput(output telegraf.Output) error {
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models.SetLoggerOnPlugin(output, s.Log())
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if p, ok := output.(telegraf.Initializer); ok {
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err := p.Init()
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if err != nil {
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return fmt.Errorf("failed to init input: %w", err)
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}
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}
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s.Output = output
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return nil
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}
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func (s *Shim) RunOutput() error {
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parser := influx.Parser{}
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err := parser.Init()
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if err != nil {
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return fmt.Errorf("failed to create new parser: %w", err)
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}
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err = s.Output.Connect()
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if err != nil {
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return fmt.Errorf("failed to start processor: %w", err)
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}
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defer s.Output.Close()
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var m telegraf.Metric
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scanner := bufio.NewScanner(s.stdin)
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for scanner.Scan() {
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m, err = parser.ParseLine(scanner.Text())
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if err != nil {
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fmt.Fprintf(s.stderr, "Failed to parse metric: %s\n", err)
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continue
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}
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if err = s.Output.Write([]telegraf.Metric{m}); err != nil {
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fmt.Fprintf(s.stderr, "Failed to write metric: %s\n", err)
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}
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}
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return nil
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}
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