mirror of
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80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
package metrics
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import (
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"strings"
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"time"
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"github.com/grafana/grafana/pkg/metrics/graphitebridge"
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"github.com/grafana/grafana/pkg/setting"
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"github.com/prometheus/client_golang/prometheus"
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ini "gopkg.in/ini.v1"
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)
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type MetricSettings struct {
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Enabled bool
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IntervalSeconds int64
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GraphiteBridgeConfig *graphitebridge.Config
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}
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func ReadSettings(file *ini.File) *MetricSettings {
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var settings = &MetricSettings{
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Enabled: false,
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}
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var section, err = file.GetSection("metrics")
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if err != nil {
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metricsLogger.Crit("Unable to find metrics config section", "error", err)
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return nil
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}
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settings.Enabled = section.Key("enabled").MustBool(false)
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settings.IntervalSeconds = section.Key("interval_seconds").MustInt64(10)
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if !settings.Enabled {
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return settings
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}
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cfg, err := parseGraphiteSettings(settings, file)
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if err != nil {
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metricsLogger.Crit("Unable to parse metrics graphite section", "error", err)
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return nil
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}
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settings.GraphiteBridgeConfig = cfg
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return settings
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}
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func parseGraphiteSettings(settings *MetricSettings, file *ini.File) (*graphitebridge.Config, error) {
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graphiteSection, err := setting.Cfg.GetSection("metrics.graphite")
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if err != nil {
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return nil, nil
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}
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address := graphiteSection.Key("address").String()
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if address == "" {
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return nil, nil
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}
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cfg := &graphitebridge.Config{
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URL: address,
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Prefix: graphiteSection.Key("prefix").MustString("prod.grafana.%(instance_name)s"),
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CountersAsDelta: true,
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Gatherer: prometheus.DefaultGatherer,
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Interval: time.Duration(settings.IntervalSeconds) * time.Second,
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Timeout: 10 * time.Second,
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Logger: &logWrapper{logger: metricsLogger},
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ErrorHandling: graphitebridge.ContinueOnError,
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}
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safeInstanceName := strings.Replace(setting.InstanceName, ".", "_", -1)
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prefix := graphiteSection.Key("prefix").Value()
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if prefix == "" {
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prefix = "prod.grafana.%(instance_name)s."
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}
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cfg.Prefix = strings.Replace(prefix, "%(instance_name)s", safeInstanceName, -1)
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return cfg, nil
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}
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