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