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Merge current development version into main (#48)

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* DiskstatCollector: cast part_max_used metric to int

* Add uint types to GangliaSink and LibgangliaSink

* Use new sink instances to allow multiple of same sink type

* Update sink README and SampleSink

* Use new receiver instances to allow multiple of same receiver type

* Fix metric scope in likwid configuration script

* Mention likwid config script in LikwidCollector README

* Refactor: Embed Init() into New() function

* Refactor: Embed Init() into New() function

* Fix: MetricReceiver uses uninitialized values, when initialization fails

* Use Ganglia configuration (#44)

* Copy all metric configurations from original Ganglia code

* Use metric configurations from Ganglia for some metrics

* Format value string also for known metrics

* Numa-aware memstat collector (#45)

* Add samples for collectors, sinks and receivers

* Ping InfluxDB server after connecting to recognize faulty connections

* Add sink for Prometheus monitoring system (#46)

* Add sink for Prometheus monitoring system

* Add prometheus sink to README

* Add scraper for Prometheus clients (#47)

Co-authored-by: Holger Obermaier <holgerob@gmx.de>
Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
This commit is contained in:
Thomas Gruber
2022-02-25 14:49:49 +01:00
committed by GitHub
parent b4cc6d54ea
commit d98076c792
27 changed files with 1509 additions and 517 deletions
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65
receivers/natsReceiver.go
View File

@@ -32,39 +32,6 @@ var DefaultTime = func() time.Time {
return time.Unix(42, 0)
}
func (r *NatsReceiver) Init(name string, config json.RawMessage) error {
r.typename = "NatsReceiver"
r.name = name
r.config.Addr = nats.DefaultURL
r.config.Port = "4222"
if len(config) > 0 {
err := json.Unmarshal(config, &r.config)
if err != nil {
cclog.ComponentError(r.name, "Error reading config:", err.Error())
return err
}
}
if len(r.config.Addr) == 0 ||
len(r.config.Port) == 0 ||
len(r.config.Subject) == 0 {
return errors.New("not all configuration variables set required by NatsReceiver")
}
r.meta = map[string]string{"source": r.name}
uri := fmt.Sprintf("%s:%s", r.config.Addr, r.config.Port)
cclog.ComponentDebug(r.name, "INIT", uri, "Subject", r.config.Subject)
nc, err := nats.Connect(uri)
if err == nil {
r.nc = nc
} else {
r.nc = nil
return err
}
r.handler = influx.NewMetricHandler()
r.parser = influx.NewParser(r.handler)
r.parser.SetTimeFunc(DefaultTime)
return err
}
func (r *NatsReceiver) Start() {
cclog.ComponentDebug(r.name, "START")
r.nc.Subscribe(r.config.Subject, r._NatsReceive)
@@ -91,3 +58,35 @@ func (r *NatsReceiver) Close() {
r.nc.Close()
}
}
func NewNatsReceiver(name string, config json.RawMessage) (Receiver, error) {
r := new(NatsReceiver)
r.name = fmt.Sprintf("NatsReceiver(%s)", name)
r.config.Addr = nats.DefaultURL
r.config.Port = "4222"
if len(config) > 0 {
err := json.Unmarshal(config, &r.config)
if err != nil {
cclog.ComponentError(r.name, "Error reading config:", err.Error())
return nil, err
}
}
if len(r.config.Addr) == 0 ||
len(r.config.Port) == 0 ||
len(r.config.Subject) == 0 {
return nil, errors.New("not all configuration variables set required by NatsReceiver")
}
r.meta = map[string]string{"source": r.name}
uri := fmt.Sprintf("%s:%s", r.config.Addr, r.config.Port)
cclog.ComponentDebug(r.name, "NewNatsReceiver", uri, "Subject", r.config.Subject)
if nc, err := nats.Connect(uri); err == nil {
r.nc = nc
} else {
r.nc = nil
return nil, err
}
r.handler = influx.NewMetricHandler()
r.parser = influx.NewParser(r.handler)
r.parser.SetTimeFunc(DefaultTime)
return r, nil
}