Add memstats to the influxdb input plugin

closes #958
This commit is contained in:
Cameron Sparr
2016-04-11 22:30:40 -06:00
parent ae8cf8c35e
commit 1934cc2e62
4 changed files with 292 additions and 47 deletions

View File

@@ -71,6 +71,35 @@ type point struct {
Values map[string]interface{} `json:"values"`
}
type memstats struct {
Alloc int64 `json:"Alloc"`
TotalAlloc int64 `json:"TotalAlloc"`
Sys int64 `json:"Sys"`
Lookups int64 `json:"Lookups"`
Mallocs int64 `json:"Mallocs"`
Frees int64 `json:"Frees"`
HeapAlloc int64 `json:"HeapAlloc"`
HeapSys int64 `json:"HeapSys"`
HeapIdle int64 `json:"HeapIdle"`
HeapInuse int64 `json:"HeapInuse"`
HeapReleased int64 `json:"HeapReleased"`
HeapObjects int64 `json:"HeapObjects"`
StackInuse int64 `json:"StackInuse"`
StackSys int64 `json:"StackSys"`
MSpanInuse int64 `json:"MSpanInuse"`
MSpanSys int64 `json:"MSpanSys"`
MCacheInuse int64 `json:"MCacheInuse"`
MCacheSys int64 `json:"MCacheSys"`
BuckHashSys int64 `json:"BuckHashSys"`
GCSys int64 `json:"GCSys"`
OtherSys int64 `json:"OtherSys"`
NextGC int64 `json:"NextGC"`
LastGC int64 `json:"LastGC"`
PauseTotalNs int64 `json:"PauseTotalNs"`
NumGC int64 `json:"NumGC"`
GCCPUFraction float64 `json:"GCCPUFraction"`
}
var tr = &http.Transport{
ResponseHeaderTimeout: time.Duration(3 * time.Second),
}
@@ -118,12 +147,52 @@ func (i *InfluxDB) gatherURL(
break
}
// Read in a string key. We don't do anything with the top-level keys, so it's discarded.
_, err := dec.Token()
// Read in a string key. We don't do anything with the top-level keys,
// so it's discarded.
key, err := dec.Token()
if err != nil {
return err
}
if key.(string) == "memstats" {
var m memstats
if err := dec.Decode(&m); err != nil {
continue
}
acc.AddFields("influxdb_memstats",
map[string]interface{}{
"alloc": m.Alloc,
"total_alloc": m.TotalAlloc,
"sys": m.Sys,
"lookups": m.Lookups,
"mallocs": m.Mallocs,
"frees": m.Frees,
"heap_alloc": m.HeapAlloc,
"heap_sys": m.HeapSys,
"heap_idle": m.HeapIdle,
"heap_inuse": m.HeapInuse,
"heap_released": m.HeapReleased,
"heap_objects": m.HeapObjects,
"stack_inuse": m.StackInuse,
"stack_sys": m.StackSys,
"mspan_inuse": m.MSpanInuse,
"mspan_sys": m.MSpanSys,
"mcache_inuse": m.MCacheInuse,
"mcache_sys": m.MCacheSys,
"buck_hash_sys": m.BuckHashSys,
"gc_sys": m.GCSys,
"other_sys": m.OtherSys,
"next_gc": m.NextGC,
"last_gc": m.LastGC,
"pause_total_ns": m.PauseTotalNs,
"num_gc": m.NumGC,
"gcc_pu_fraction": m.GCCPUFraction,
},
map[string]string{
"url": url,
})
}
// Attempt to parse a whole object into a point.
// It might be a non-object, like a string or array.
// If we fail to decode it into a point, ignore it and move on.
@@ -132,7 +201,8 @@ func (i *InfluxDB) gatherURL(
continue
}
// If the object was a point, but was not fully initialized, ignore it and move on.
// If the object was a point, but was not fully initialized,
// ignore it and move on.
if p.Name == "" || p.Tags == nil || p.Values == nil || len(p.Values) == 0 {
continue
}