chore: publish pxmon v0.2.0

internal/cluster/agent_versions.go

@@ -0,0 +1,68 @@
+package cluster
+
+import (
+	"embed"
+	"encoding/json"
+	"strings"
+)
+
+//go:embed agent_versions.json
+var agentVersionsFS embed.FS
+
+type AgentVersionInfo struct {
+	Version    string   `json:"version"`
+	ReleasedAt string   `json:"released_at,omitempty"`
+	Features   []string `json:"features,omitempty"`
+}
+
+func loadAgentVersions() []AgentVersionInfo {
+	raw, err := agentVersionsFS.ReadFile("agent_versions.json")
+	if err != nil {
+		return nil
+	}
+	var items []AgentVersionInfo
+	if err := json.Unmarshal(raw, &items); err != nil {
+		return nil
+	}
+	out := make([]AgentVersionInfo, 0, len(items))
+	for _, it := range items {
+		it.Version = strings.TrimSpace(it.Version)
+		if it.Version == "" {
+			continue
+		}
+		out = append(out, it)
+	}
+	return out
+}
+
+func (s *Service) AgentVersions() []AgentVersionInfo {
+	return append([]AgentVersionInfo(nil), loadAgentVersions()...)
+}
+
+func (s *Service) AgentVersionFeatures(version string) []string {
+	v := strings.TrimSpace(version)
+	if v == "" {
+		return nil
+	}
+	for _, it := range loadAgentVersions() {
+		if strings.EqualFold(strings.TrimSpace(it.Version), v) {
+			return append([]string(nil), it.Features...)
+		}
+	}
+	return nil
+}
+
+func (s *Service) CompareAgentVersion(version string) (isLatest bool, latest string, known bool) {
+	items := loadAgentVersions()
+	if len(items) == 0 {
+		return true, "", false
+	}
+	latest = strings.TrimSpace(items[len(items)-1].Version)
+	v := strings.TrimSpace(version)
+	for _, it := range items {
+		if strings.EqualFold(strings.TrimSpace(it.Version), v) {
+			return strings.EqualFold(v, latest), latest, true
+		}
+	}
+	return false, latest, false
+}