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Major Logging Overhaul

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in this commit:

- centralize logging output handler.
- set global Info/Debug/Error log levels based on config file or flags.
- remove per-plugin debug arg handling.
- add a I!, D!, or E! to every log message.
- add configuration option to specify where to send logs.

closes #1786
This commit is contained in:
Cameron Sparr
2016-09-30 22:37:56 +01:00
parent 78ced6bc30
commit c7834209d2
52 changed files with 363 additions and 269 deletions
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10
plugins/inputs/kafka_consumer/kafka_consumer.go
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@@ -90,7 +90,7 @@ func (k *Kafka) Start(acc telegraf.Accumulator) error {
case "newest":
config.Offsets.Initial = sarama.OffsetNewest
default:
log.Printf("WARNING: Kafka consumer invalid offset '%s', using 'oldest'\n",
log.Printf("I! WARNING: Kafka consumer invalid offset '%s', using 'oldest'\n",
k.Offset)
config.Offsets.Initial = sarama.OffsetOldest
}
@@ -115,7 +115,7 @@ func (k *Kafka) Start(acc telegraf.Accumulator) error {
// Start the kafka message reader
go k.receiver()
log.Printf("Started the kafka consumer service, peers: %v, topics: %v\n",
log.Printf("I! Started the kafka consumer service, peers: %v, topics: %v\n",
k.ZookeeperPeers, k.Topics)
return nil
}
@@ -129,12 +129,12 @@ func (k *Kafka) receiver() {
return
case err := <-k.errs:
if err != nil {
log.Printf("Kafka Consumer Error: %s\n", err)
log.Printf("E! Kafka Consumer Error: %s\n", err)
}
case msg := <-k.in:
metrics, err := k.parser.Parse(msg.Value)
if err != nil {
log.Printf("KAFKA PARSE ERROR\nmessage: %s\nerror: %s",
log.Printf("E! Kafka Message Parse Error\nmessage: %s\nerror: %s",
string(msg.Value), err.Error())
}
@@ -158,7 +158,7 @@ func (k *Kafka) Stop() {
defer k.Unlock()
close(k.done)
if err := k.Consumer.Close(); err != nil {
log.Printf("Error closing kafka consumer: %s\n", err.Error())
log.Printf("E! Error closing kafka consumer: %s\n", err.Error())
}
}