86 lines
3.0 KiB
Go
86 lines
3.0 KiB
Go
// Copyright (C) 2023 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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"storj.io/common/storj"
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"storj.io/common/storj/location"
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"storj.io/storj/satellite/nodeselection/uploadselection"
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)
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// PlacementRules can crate filter based on the placement identifier.
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type PlacementRules func(constraint storj.PlacementConstraint) (filter uploadselection.NodeFilters)
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// ConfigurablePlacementRule can include the placement definitions for each known identifier.
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type ConfigurablePlacementRule struct {
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placements map[storj.PlacementConstraint]uploadselection.NodeFilters
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}
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// NewPlacementRules creates a fully initialized NewPlacementRules.
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func NewPlacementRules() *ConfigurablePlacementRule {
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return &ConfigurablePlacementRule{
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placements: map[storj.PlacementConstraint]uploadselection.NodeFilters{},
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}
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}
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// AddLegacyStaticRules initializes all the placement rules defined earlier in static golang code.
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func (d *ConfigurablePlacementRule) AddLegacyStaticRules() {
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d.placements[storj.EEA] = uploadselection.NodeFilters{}.WithCountryFilter(func(isoCountryCode location.CountryCode) bool {
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for _, c := range location.EeaNonEuCountries {
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if c == isoCountryCode {
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return true
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}
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}
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for _, c := range location.EuCountries {
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if c == isoCountryCode {
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return true
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}
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}
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return false
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})
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d.placements[storj.EU] = uploadselection.NodeFilters{}.WithCountryFilter(func(isoCountryCode location.CountryCode) bool {
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for _, c := range location.EuCountries {
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if c == isoCountryCode {
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return true
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}
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}
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return false
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})
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d.placements[storj.US] = uploadselection.NodeFilters{}.WithCountryFilter(func(isoCountryCode location.CountryCode) bool {
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return isoCountryCode == location.UnitedStates
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})
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d.placements[storj.DE] = uploadselection.NodeFilters{}.WithCountryFilter(func(isoCountryCode location.CountryCode) bool {
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return isoCountryCode == location.Germany
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})
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d.placements[storj.NR] = uploadselection.NodeFilters{}.WithCountryFilter(func(isoCountryCode location.CountryCode) bool {
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return isoCountryCode != location.Russia && isoCountryCode != location.Belarus
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})
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}
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// AddPlacementRule registers a new placement.
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func (d *ConfigurablePlacementRule) AddPlacementRule(id storj.PlacementConstraint, filters uploadselection.NodeFilters) {
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d.placements[id] = filters
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}
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// CreateFilters implements PlacementCondition.
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func (d *ConfigurablePlacementRule) CreateFilters(constraint storj.PlacementConstraint) (filter uploadselection.NodeFilters) {
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if constraint == 0 {
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return uploadselection.NodeFilters{}
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}
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if filters, found := d.placements[constraint]; found {
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return filters
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}
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return uploadselection.ExcludeAll
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}
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// CreateDefaultPlacementRules returns with a default set of configured placement rules.
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func CreateDefaultPlacementRules(satelliteID storj.NodeID) PlacementRules {
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placement := NewPlacementRules()
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placement.AddLegacyStaticRules()
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placement.AddPlacementRule(10, uploadselection.NodeFilters{
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uploadselection.NewTagFilter(satelliteID, "selection", []byte("true")),
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})
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return placement.CreateFilters
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}
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