59 lines
2.3 KiB
Go
59 lines
2.3 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package overlay
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import (
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"time"
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"github.com/spacemonkeygo/monkit/v3"
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"github.com/zeebo/errs"
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"storj.io/common/memory"
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)
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var (
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mon = monkit.Package()
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// Error represents an overlay error.
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Error = errs.Class("overlay")
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)
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// Config is a configuration for overlay service.
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type Config struct {
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Node NodeSelectionConfig
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NodeSelectionCache UploadSelectionCacheConfig
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UpdateStatsBatchSize int `help:"number of update requests to process per transaction" default:"100"`
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NodeCheckInWaitPeriod time.Duration `help:"the amount of time to wait before accepting a redundant check-in from a node (unmodified info since last check-in)" default:"2h" testDefault:"30s"`
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}
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// AsOfSystemTimeConfig is a configuration struct to enable 'AS OF SYSTEM TIME' for CRDB queries.
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type AsOfSystemTimeConfig struct {
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Enabled bool `help:"enables the use of the AS OF SYSTEM TIME feature in CRDB" default:"true"`
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DefaultInterval time.Duration `help:"default duration for AS OF SYSTEM TIME" devDefault:"-1ms" releaseDefault:"-10s" testDefault:"-1µs"`
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}
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// NodeSelectionConfig is a configuration struct to determine the minimum
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// values for nodes to select.
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type NodeSelectionConfig struct {
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NewNodeFraction float64 `help:"the fraction of new nodes allowed per request" releaseDefault:"0.05" devDefault:"1"`
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MinimumVersion string `help:"the minimum node software version for node selection queries" default:""`
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OnlineWindow time.Duration `help:"the amount of time without seeing a node before its considered offline" default:"4h" testDefault:"1m"`
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DistinctIP bool `help:"require distinct IPs when choosing nodes for upload" releaseDefault:"true" devDefault:"false"`
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MinimumDiskSpace memory.Size `help:"how much disk space a node at minimum must have to be selected for upload" default:"500.00MB" testDefault:"100.00MB"`
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AsOfSystemTime AsOfSystemTimeConfig
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}
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func (aost *AsOfSystemTimeConfig) isValid() error {
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if aost.Enabled {
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if aost.DefaultInterval >= 0 {
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return errs.New("AS OF SYSTEM TIME interval must be a negative number")
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}
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if aost.DefaultInterval > -time.Microsecond {
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return errs.New("AS OF SYSTEM TIME interval cannot be in nanoseconds")
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}
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}
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return nil
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}
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