63 lines
2.4 KiB
Go
63 lines
2.4 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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"strings"
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"time"
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"github.com/zeebo/errs"
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monkit "gopkg.in/spacemonkeygo/monkit.v2"
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"storj.io/storj/pkg/storj"
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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 error")
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)
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// Config is a configuration struct for everything you need to start the
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// Overlay cache responsibility.
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type Config struct {
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Node NodeSelectionConfig
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}
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// LookupConfig is a configuration struct for querying the overlay cache with one or more node IDs
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type LookupConfig struct {
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NodeIDsString string `help:"one or more string-encoded node IDs, delimited by Delimiter"`
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Delimiter string `help:"delimiter used for parsing node IDs" default:","`
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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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UptimeRatio float64 `help:"a node's ratio of being up/online vs. down/offline" releaseDefault:"0.9" devDefault:"0"`
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UptimeCount int64 `help:"the number of times a node's uptime has been checked to not be considered a New Node" releaseDefault:"500" devDefault:"0"`
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AuditSuccessRatio float64 `help:"a node's ratio of successful audits" releaseDefault:"0.4" devDefault:"0"` // TODO: update after beta
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AuditCount int64 `help:"the number of times a node has been audited to not be considered a New Node" releaseDefault:"500" devDefault:"0"`
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NewNodePercentage float64 `help:"the percentage of new nodes allowed per request" default:"0.05"` // TODO: fix, this is not percentage, it's ratio
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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:"1h"` //todo: wire up instead of constants
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}
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// ParseIDs converts the base58check encoded node ID strings from the config into node IDs
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func (c LookupConfig) ParseIDs() (ids storj.NodeIDList, err error) {
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var idErrs []error
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idStrs := strings.Split(c.NodeIDsString, c.Delimiter)
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for _, s := range idStrs {
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id, err := storj.NodeIDFromString(s)
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if err != nil {
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idErrs = append(idErrs, err)
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continue
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}
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ids = append(ids, id)
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}
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if err := errs.Combine(idErrs...); err != nil {
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return nil, err
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}
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return ids, nil
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}
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