mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
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120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
package sinks
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import (
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// "context"
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"crypto/tls"
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"encoding/json"
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"errors"
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"fmt"
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cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
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lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
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influxdb2 "github.com/influxdata/influxdb-client-go/v2"
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influxdb2Api "github.com/influxdata/influxdb-client-go/v2/api"
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"github.com/influxdata/influxdb-client-go/v2/api/write"
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)
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type InfluxAsyncSinkConfig struct {
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defaultSinkConfig
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Host string `json:"host,omitempty"`
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Port string `json:"port,omitempty"`
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Database string `json:"database,omitempty"`
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User string `json:"user,omitempty"`
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Password string `json:"password,omitempty"`
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Organization string `json:"organization,omitempty"`
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SSL bool `json:"ssl,omitempty"`
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RetentionPol string `json:"retention_policy,omitempty"`
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BatchSize uint `json:"batch_size,omitempty"`
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}
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type InfluxAsyncSink struct {
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sink
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client influxdb2.Client
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writeApi influxdb2Api.WriteAPI
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retPolicy string
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errors <-chan error
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config InfluxAsyncSinkConfig
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}
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func (s *InfluxAsyncSink) connect() error {
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var auth string
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var uri string
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if s.config.SSL {
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uri = fmt.Sprintf("https://%s:%s", s.config.Host, s.config.Port)
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} else {
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uri = fmt.Sprintf("http://%s:%s", s.config.Host, s.config.Port)
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}
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if len(s.config.User) == 0 {
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auth = s.config.Password
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} else {
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auth = fmt.Sprintf("%s:%s", s.config.User, s.config.Password)
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}
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cclog.ComponentDebug(s.name, "Using URI", uri, "Org", s.config.Organization, "Bucket", s.config.Database)
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batch := s.config.BatchSize
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if batch == 0 {
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batch = 100
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}
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s.client = influxdb2.NewClientWithOptions(uri, auth,
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influxdb2.DefaultOptions().SetBatchSize(batch).SetTLSConfig(&tls.Config{
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InsecureSkipVerify: true,
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}))
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s.writeApi = s.client.WriteAPI(s.config.Organization, s.config.Database)
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return nil
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}
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func (s *InfluxAsyncSink) Init(config json.RawMessage) error {
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s.name = "InfluxSink"
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s.config.BatchSize = 100
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if len(config) > 0 {
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err := json.Unmarshal(config, &s.config)
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if err != nil {
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return err
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}
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}
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if len(s.config.Host) == 0 ||
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len(s.config.Port) == 0 ||
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len(s.config.Database) == 0 ||
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len(s.config.Organization) == 0 ||
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len(s.config.Password) == 0 {
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return errors.New("not all configuration variables set required by InfluxAsyncSink")
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}
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err := s.connect()
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s.errors = s.writeApi.Errors()
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go func() {
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for err := range s.errors {
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cclog.ComponentError(s.name, err.Error())
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}
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}()
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return err
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}
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func (s *InfluxAsyncSink) Write(point lp.CCMetric) error {
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var p *write.Point
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if s.config.MetaAsTags {
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tags := map[string]string{}
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for k, v := range point.Tags() {
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tags[k] = v
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}
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for k, v := range point.Meta() {
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tags[k] = v
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}
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p = influxdb2.NewPoint(point.Name(), tags, point.Fields(), point.Time())
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} else {
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p = influxdb2.NewPoint(point.Name(), point.Tags(), point.Fields(), point.Time())
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}
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s.writeApi.WritePoint(p)
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return nil
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}
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func (s *InfluxAsyncSink) Flush() error {
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s.writeApi.Flush()
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return nil
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}
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func (s *InfluxAsyncSink) Close() {
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cclog.ComponentDebug(s.name, "Closing InfluxDB connection")
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s.writeApi.Flush()
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s.client.Close()
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}
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