112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
package version
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import (
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"fmt"
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"runtime"
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"strings"
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"time"
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)
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// Build-time injected version information (SERVER AUTHORITY)
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// Injected by server during build via ldflags
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var (
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Version = "dev" // Agent version (format: 0.1.26.0)
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ConfigVersion = "dev" // Config schema version (format: 0, 1, 2, etc.)
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BuildTime = "unknown"
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GitCommit = "unknown"
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GoVersion = runtime.Version()
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)
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// ExtractConfigVersionFromAgent extracts the config version from the agent version
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// Agent version format: v0.1.23.6 where the fourth octet (.6) maps to config version
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// This provides the traditional mapping when only agent version is available
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func ExtractConfigVersionFromAgent(agentVer string) string {
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// Strip 'v' prefix if present
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cleanVersion := strings.TrimPrefix(agentVer, "v")
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// Split version parts
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parts := strings.Split(cleanVersion, ".")
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if len(parts) == 4 {
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// Return the fourth octet as the config version
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// v0.1.23.6 → "6"
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return parts[3]
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}
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// If we have a build-time injected ConfigVersion, use it
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if ConfigVersion != "dev" {
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return ConfigVersion
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}
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// Default fallback
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return "6"
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}
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// Info holds complete version information
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type Info struct {
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AgentVersion string `json:"agent_version"`
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ConfigVersion string `json:"config_version"`
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BuildTime string `json:"build_time"`
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GitCommit string `json:"git_commit"`
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GoVersion string `json:"go_version"`
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BuildTimestamp int64 `json:"build_timestamp"`
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}
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// GetInfo returns complete version information
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func GetInfo() Info {
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// Parse build time if available
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timestamp := time.Now().Unix()
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if BuildTime != "unknown" {
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if t, err := time.Parse(time.RFC3339, BuildTime); err == nil {
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timestamp = t.Unix()
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}
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}
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return Info{
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AgentVersion: Version,
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ConfigVersion: ConfigVersion,
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BuildTime: BuildTime,
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GitCommit: GitCommit,
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GoVersion: GoVersion,
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BuildTimestamp: timestamp,
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}
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}
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// String returns a human-readable version string
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func String() string {
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return fmt.Sprintf("RedFlag Agent v%s (config v%s)", Version, ConfigVersion)
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}
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// FullString returns detailed version information
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func FullString() string {
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info := GetInfo()
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return fmt.Sprintf("RedFlag Agent v%s (config v%s)\n"+
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"Built: %s\n"+
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"Commit: %s\n"+
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"Go: %s",
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info.AgentVersion,
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info.ConfigVersion,
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info.BuildTime,
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info.GitCommit,
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info.GoVersion)
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}
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// CheckCompatible checks if the given config version is compatible with this agent
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func CheckCompatible(configVer string) error {
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if configVer == "" {
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return fmt.Errorf("config version is empty")
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}
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// For now, require exact match
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// In the future, we may support backward/forward compatibility matrices
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if configVer != ConfigVersion {
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return fmt.Errorf("config version mismatch: agent expects v%s, config has v%s",
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ConfigVersion, configVer)
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}
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return nil
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}
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// Valid checks if version information is properly set
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func Valid() bool {
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return Version != "dev" && ConfigVersion != "dev"
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} |