82533c1453
- use embed.FS to have immutable data - use sync.Once to parse only once without data races
35 lines
869 B
Go
35 lines
869 B
Go
package constants
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import (
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"embed"
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"encoding/json"
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"sync"
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"github.com/qdm12/gluetun/internal/models"
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)
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//go:embed servers.json
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var allServersEmbedFS embed.FS //nolint:gochecknoglobals
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var allServers models.AllServers //nolint:gochecknoglobals
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var parseOnce sync.Once //nolint:gochecknoglobals
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func init() { //nolint:gochecknoinits
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// error returned covered by unit test
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parseOnce.Do(func() { allServers, _ = parseAllServers() })
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}
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func parseAllServers() (allServers models.AllServers, err error) {
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f, err := allServersEmbedFS.Open("servers.json")
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if err != nil {
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return allServers, err
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}
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decoder := json.NewDecoder(f)
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err = decoder.Decode(&allServers)
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return allServers, err
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}
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func GetAllServers() models.AllServers {
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parseOnce.Do(func() { allServers, _ = parseAllServers() }) // init did not execute, used in tests
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return allServers
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}
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