58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package buildinfo
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import "strings"
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const ProtocolVersion = 1
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var (
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Version = "dev"
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GitHash = "unknown"
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BuildTime = "unknown"
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GoVersion = "unknown"
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)
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type Info struct {
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Version string
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GitHash string
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BuildTime string
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GoVersion string
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ProtocolVersion int
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}
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func Current() Info {
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return Info{
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Version: valueOrDefault(Version, "dev"),
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GitHash: valueOrDefault(GitHash, "unknown"),
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BuildTime: valueOrDefault(BuildTime, "unknown"),
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GoVersion: valueOrDefault(GoVersion, "unknown"),
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ProtocolVersion: ProtocolVersion,
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}
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}
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func ValidatePair(mainInfo, adminInfo Info) error {
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if strings.TrimSpace(mainInfo.Version) == "" || strings.TrimSpace(adminInfo.Version) == "" {
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return ErrVersionMissing
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}
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if mainInfo.Version != adminInfo.Version {
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return ErrVersionMismatch
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}
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if mainInfo.ProtocolVersion != ProtocolVersion || adminInfo.ProtocolVersion != ProtocolVersion {
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return ErrProtocolMismatch
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}
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if isKnownValue(mainInfo.GitHash) && isKnownValue(adminInfo.GitHash) && mainInfo.GitHash != adminInfo.GitHash {
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return ErrBuildMismatch
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}
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return nil
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}
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func valueOrDefault(value, fallback string) string {
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if strings.TrimSpace(value) == "" {
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return fallback
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}
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return value
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}
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func isKnownValue(value string) bool {
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return strings.TrimSpace(value) != "" && value != "unknown" && value != "dev"
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}
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