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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
Download Patch File Download Diff File Expand all files Collapse all files

87
sinks/influxAsyncSink.go
View File

@@ -1,6 +1,7 @@
package sinks
import (
"context"
"crypto/tls"
"encoding/json"
"errors"
@@ -30,11 +31,10 @@ type InfluxAsyncSinkConfig struct {
type InfluxAsyncSink struct {
sink
client influxdb2.Client
writeApi influxdb2Api.WriteAPI
retPolicy string
errors <-chan error
config InfluxAsyncSinkConfig
client influxdb2.Client
writeApi influxdb2Api.WriteAPI
errors <-chan error
config InfluxAsyncSinkConfig
}
func (s *InfluxAsyncSink) connect() error {
@@ -65,42 +65,16 @@ func (s *InfluxAsyncSink) connect() error {
)
s.client = influxdb2.NewClientWithOptions(uri, auth, clientOptions)
s.writeApi = s.client.WriteAPI(s.config.Organization, s.config.Database)
ok, err := s.client.Ping(context.Background())
if err != nil {
return err
}
if !ok {
return fmt.Errorf("connection to %s not healthy", uri)
}
return nil
}
func (s *InfluxAsyncSink) Init(config json.RawMessage) error {
s.name = "InfluxSink"
// Set default for maximum number of points sent to server in single request.
s.config.BatchSize = 100
if len(config) > 0 {
err := json.Unmarshal(config, &s.config)
if err != nil {
return err
}
}
if len(s.config.Host) == 0 ||
len(s.config.Port) == 0 ||
len(s.config.Database) == 0 ||
len(s.config.Organization) == 0 ||
len(s.config.Password) == 0 {
return errors.New("not all configuration variables set required by InfluxAsyncSink")
}
// Connect to InfluxDB server
err := s.connect()
// Start background: Read from error channel
s.errors = s.writeApi.Errors()
go func() {
for err := range s.errors {
cclog.ComponentError(s.name, err.Error())
}
}()
return err
}
func (s *InfluxAsyncSink) Write(m lp.CCMetric) error {
s.writeApi.WritePoint(
m.ToPoint(s.config.MetaAsTags),
@@ -118,3 +92,40 @@ func (s *InfluxAsyncSink) Close() {
s.writeApi.Flush()
s.client.Close()
}
func NewInfluxAsyncSink(name string, config json.RawMessage) (Sink, error) {
s := new(InfluxAsyncSink)
s.name = fmt.Sprintf("InfluxSink(%s)", name)
// Set default for maximum number of points sent to server in single request.
s.config.BatchSize = 100
if len(config) > 0 {
err := json.Unmarshal(config, &s.config)
if err != nil {
return nil, err
}
}
if len(s.config.Host) == 0 ||
len(s.config.Port) == 0 ||
len(s.config.Database) == 0 ||
len(s.config.Organization) == 0 ||
len(s.config.Password) == 0 {
return nil, errors.New("not all configuration variables set required by InfluxAsyncSink")
}
// Connect to InfluxDB server
if err := s.connect(); err != nil {
return nil, fmt.Errorf("unable to connect: %v", err)
}
// Start background: Read from error channel
s.errors = s.writeApi.Errors()
go func() {
for err := range s.errors {
cclog.ComponentError(s.name, err.Error())
}
}()
return s, nil
}