Inherit previous instance's stats in statsd plugin.

This way, after a reload, the stats wont restart again at least for the
counter type.

closes #887
This commit is contained in:
HUANG Wei 2016-03-18 10:21:09 +08:00 committed by Cameron Sparr
parent 77dcbe95c0
commit 18f4afb388
1 changed files with 15 additions and 4 deletions

View File

@ -26,6 +26,8 @@ const (
var dropwarn = "ERROR: Message queue full. Discarding line [%s] " + var dropwarn = "ERROR: Message queue full. Discarding line [%s] " +
"You may want to increase allowed_pending_messages in the config\n" "You may want to increase allowed_pending_messages in the config\n"
var prevInstance *Statsd
type Statsd struct { type Statsd struct {
// Address & Port to serve from // Address & Port to serve from
ServiceAddress string ServiceAddress string
@ -234,10 +236,18 @@ func (s *Statsd) Start(_ telegraf.Accumulator) error {
// Make data structures // Make data structures
s.done = make(chan struct{}) s.done = make(chan struct{})
s.in = make(chan []byte, s.AllowedPendingMessages) s.in = make(chan []byte, s.AllowedPendingMessages)
s.gauges = make(map[string]cachedgauge)
s.counters = make(map[string]cachedcounter) if prevInstance == nil {
s.sets = make(map[string]cachedset) s.gauges = make(map[string]cachedgauge)
s.timings = make(map[string]cachedtimings) s.counters = make(map[string]cachedcounter)
s.sets = make(map[string]cachedset)
s.timings = make(map[string]cachedtimings)
} else {
s.gauges = prevInstance.gauges
s.counters = prevInstance.counters
s.sets = prevInstance.sets
s.timings = prevInstance.timings
}
s.wg.Add(2) s.wg.Add(2)
// Start the UDP listener // Start the UDP listener
@ -245,6 +255,7 @@ func (s *Statsd) Start(_ telegraf.Accumulator) error {
// Start the line parser // Start the line parser
go s.parser() go s.parser()
log.Printf("Started the statsd service on %s\n", s.ServiceAddress) log.Printf("Started the statsd service on %s\n", s.ServiceAddress)
prevInstance = s
return nil return nil
} }