package consul import ( "strings" "github.com/hashicorp/go-version" ) // Self represents the response body from Consul /v1/agent/self API endpoint. // Care must always be taken to do type checks when casting, as structure could // potentially change over time. type Self = map[string]map[string]interface{} func SKU(info Self) (string, bool) { v, ok := info["Config"]["Version"].(string) if !ok { return "", ok } ver, vErr := version.NewVersion(v) if vErr != nil { return "", false } if strings.Contains(ver.Metadata(), "ent") { return "ent", true } return "oss", true } // Namespaces returns true if the "Namespaces" feature is enabled in Consul, and // false otherwise. Consul OSS will always return false, and Consul ENT will return // false if the license file does not contain the necessary feature. func Namespaces(info Self) bool { return feature("Namespaces", info) } // feature returns whether the indicated feature is enabled by Consul and the // associated License. // possible values as of v1.9.5+ent: // // Automated Backups, Automated Upgrades, Enhanced Read Scalability, // Network Segments, Redundancy Zone, Advanced Network Federation, // Namespaces, SSO, Audit Logging func feature(name string, info Self) bool { lic, licOK := info["Stats"]["license"].(map[string]interface{}) if !licOK { return false } features, exists := lic["features"].(string) if !exists { return false } return strings.Contains(features, name) }