[VOL-2312] Logging - Integrate voltctl with new etcd-based dynamic loglevel mechanism. Testing is in progress
Change-Id: I2e13bb79008c9a49ebb6f58e575f51efebe6dbfd
diff --git a/vendor/github.com/rcrowley/go-metrics/log.go b/vendor/github.com/rcrowley/go-metrics/log.go
index f8074c0..2614a0a 100644
--- a/vendor/github.com/rcrowley/go-metrics/log.go
+++ b/vendor/github.com/rcrowley/go-metrics/log.go
@@ -8,17 +8,37 @@
Printf(format string, v ...interface{})
}
+// Log outputs each metric in the given registry periodically using the given logger.
func Log(r Registry, freq time.Duration, l Logger) {
LogScaled(r, freq, time.Nanosecond, l)
}
-// Output each metric in the given registry periodically using the given
+// LogOnCue outputs each metric in the given registry on demand through the channel
+// using the given logger
+func LogOnCue(r Registry, ch chan interface{}, l Logger) {
+ LogScaledOnCue(r, ch, time.Nanosecond, l)
+}
+
+// LogScaled outputs each metric in the given registry periodically using the given
// logger. Print timings in `scale` units (eg time.Millisecond) rather than nanos.
func LogScaled(r Registry, freq time.Duration, scale time.Duration, l Logger) {
+ ch := make(chan interface{})
+ go func(channel chan interface{}) {
+ for _ = range time.Tick(freq) {
+ channel <- struct{}{}
+ }
+ }(ch)
+ LogScaledOnCue(r, ch, scale, l)
+}
+
+// LogScaledOnCue outputs each metric in the given registry on demand through the channel
+// using the given logger. Print timings in `scale` units (eg time.Millisecond) rather
+// than nanos.
+func LogScaledOnCue(r Registry, ch chan interface{}, scale time.Duration, l Logger) {
du := float64(scale)
duSuffix := scale.String()[1:]
- for _ = range time.Tick(freq) {
+ for _ = range ch {
r.Each(func(name string, i interface{}) {
switch metric := i.(type) {
case Counter: