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vsphere-influxdb-go/vendor/github.com/influxdata/influxdb/services/precreator/config.go
2017-10-25 20:52:40 +00:00

68 lines
1.7 KiB
Go

package precreator
import (
"errors"
"time"
"github.com/influxdata/influxdb/monitor/diagnostics"
"github.com/influxdata/influxdb/toml"
)
const (
// DefaultCheckInterval is the shard precreation check time if none is specified.
DefaultCheckInterval = 10 * time.Minute
// DefaultAdvancePeriod is the default period ahead of the endtime of a shard group
// that its successor group is created.
DefaultAdvancePeriod = 30 * time.Minute
)
// Config represents the configuration for shard precreation.
type Config struct {
Enabled bool `toml:"enabled"`
CheckInterval toml.Duration `toml:"check-interval"`
AdvancePeriod toml.Duration `toml:"advance-period"`
}
// NewConfig returns a new Config with defaults.
func NewConfig() Config {
return Config{
Enabled: true,
CheckInterval: toml.Duration(DefaultCheckInterval),
AdvancePeriod: toml.Duration(DefaultAdvancePeriod),
}
}
// Validate returns an error if the Config is invalid.
func (c Config) Validate() error {
if !c.Enabled {
return nil
}
// TODO: Should we enforce a minimum interval?
// Polling every nanosecond, for instance, will greatly impact performance.
if c.CheckInterval <= 0 {
return errors.New("check-interval must be positive")
}
if c.AdvancePeriod <= 0 {
return errors.New("advance-period must be positive")
}
return nil
}
// Diagnostics returns a diagnostics representation of a subset of the Config.
func (c Config) Diagnostics() (*diagnostics.Diagnostics, error) {
if !c.Enabled {
return diagnostics.RowFromMap(map[string]interface{}{
"enabled": false,
}), nil
}
return diagnostics.RowFromMap(map[string]interface{}{
"enabled": true,
"check-interval": c.CheckInterval,
"advance-period": c.AdvancePeriod,
}), nil
}