姚章浩
55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package qaopsorg
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import "unicode/utf8"
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// IDs are immutable mapping keys; names are editable labels. Existing keys remain
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// intact when migrating the historical four-region configuration.
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type RegionDefinition struct {
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ID string `json:"id"`
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Name string `json:"name"`
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}
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func DefaultRegions() []RegionDefinition {
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result := make([]RegionDefinition, 0, len(RegionNames))
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for _, name := range RegionNames {
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result = append(result, RegionDefinition{ID: name, Name: name})
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}
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return result
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}
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func (s State) RegionDefinitions() []RegionDefinition {
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if s.Regions == nil {
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return DefaultRegions()
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}
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return s.Regions
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}
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func (s State) RegionLabels() []string {
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labels := []string{}
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for _, region := range s.RegionDefinitions() {
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labels = append(labels, region.Name)
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}
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return labels
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}
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func (s State) RegionLabel(id string) string {
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for _, region := range s.RegionDefinitions() {
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if region.ID == id {
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return region.Name
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}
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}
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return ""
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}
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func validRegions(regions []RegionDefinition) bool {
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if len(regions) > 100 {
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return false
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}
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reserved := map[string]bool{"unassigned": true, "cross_region": true, "unmatched": true, "identity_conflict": true, "no_identity": true, "directory_missing": true, "__proto__": true, "constructor": true, "prototype": true}
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ids, names := map[string]bool{}, map[string]bool{}
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for _, region := range regions {
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if !validID(region.ID) || !validID(region.Name) || !utf8.ValidString(region.ID) || !utf8.ValidString(region.Name) || reserved[region.ID] || reserved[region.Name] || ids[region.ID] || names[region.Name] {
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return false
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}
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ids[region.ID] = true
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names[region.Name] = true
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}
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return true
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}
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