100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package influxdb
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import (
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"fmt"
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"log"
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"net/url"
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"strings"
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"github.com/influxdb/influxdb/client"
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t "github.com/influxdb/telegraf"
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"github.com/influxdb/telegraf/outputs"
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)
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type InfluxDB struct {
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URL string
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Username string
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Password string
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Database string
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UserAgent string
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Timeout t.Duration
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conn *client.Client
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}
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var sampleConfig = `
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# The full HTTP endpoint URL for your InfluxDB instance
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url = "http://localhost:8086" # required.
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# The target database for metrics. This database must already exist
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database = "telegraf" # required.
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# Connection timeout (for the connection with InfluxDB), formatted as a string.
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# Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
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# If not provided, will default to 0 (no timeout)
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# timeout = "5s"
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# username = "telegraf"
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# password = "metricsmetricsmetricsmetrics"
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# Set the user agent for the POSTs (can be useful for log differentiation)
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# user_agent = "telegraf"
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`
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func (i *InfluxDB) Connect() error {
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u, err := url.Parse(i.URL)
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if err != nil {
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return err
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}
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c, err := client.NewClient(client.Config{
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URL: *u,
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Username: i.Username,
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Password: i.Password,
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UserAgent: i.UserAgent,
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Timeout: i.Timeout.Duration,
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})
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if err != nil {
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return err
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}
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_, err = c.Query(client.Query{
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Command: fmt.Sprintf("CREATE DATABASE %s", i.Database),
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})
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if err != nil && !strings.Contains(err.Error(), "database already exists") {
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log.Fatal(err)
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}
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i.conn = c
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return nil
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}
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func (i *InfluxDB) Close() error {
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// InfluxDB client does not provide a Close() function
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return nil
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}
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func (i *InfluxDB) SampleConfig() string {
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return sampleConfig
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}
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func (i *InfluxDB) Description() string {
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return "Configuration for influxdb server to send metrics to"
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}
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func (i *InfluxDB) Write(bp client.BatchPoints) error {
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bp.Database = i.Database
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if _, err := i.conn.Write(bp); err != nil {
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return err
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}
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return nil
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}
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func init() {
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outputs.Add("influxdb", func() outputs.Output {
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return &InfluxDB{}
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})
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}
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