package cwversion import ( "encoding/json" "fmt" "log" "net/http" "runtime" "strings" version "github.com/hashicorp/go-version" ) /* Given a version number MAJOR.MINOR.PATCH, increment the: MAJOR version when you make incompatible API changes, MINOR version when you add functionality in a backwards compatible manner, and PATCH version when you make backwards compatible bug fixes. Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format. */ var ( Version string // = "v0.0.0" Codename string // = "SoumSoum" BuildDate string // = "0000-00-00_00:00:00" Tag string // = "dev" GoVersion = runtime.Version()[2:] // = "1.13" System = runtime.GOOS // = "linux" Constraint_parser = ">= 1.0, <= 2.0" Constraint_scenario = ">= 1.0, < 3.0" Constraint_api = "v1" Constraint_acquis = ">= 1.0, < 2.0" ) func ShowStr() string { ret := "" ret += fmt.Sprintf("version: %s-%s\n", Version, Tag) ret += fmt.Sprintf("Codename: %s\n", Codename) ret += fmt.Sprintf("BuildDate: %s\n", BuildDate) ret += fmt.Sprintf("GoVersion: %s\n", GoVersion) ret += fmt.Sprintf("Platform: %s\n", System) return ret } func Show() { log.Printf("version: %s-%s", Version, Tag) log.Printf("Codename: %s", Codename) log.Printf("BuildDate: %s", BuildDate) log.Printf("GoVersion: %s", GoVersion) log.Printf("Platform: %s\n", System) log.Printf("Constraint_parser: %s", Constraint_parser) log.Printf("Constraint_scenario: %s", Constraint_scenario) log.Printf("Constraint_api: %s", Constraint_api) log.Printf("Constraint_acquis: %s", Constraint_acquis) } func VersionStr() string { return fmt.Sprintf("%s-%s-%s", Version, System, Tag) } func VersionStrip() string { version := strings.Split(Version, "-") return version[0] } func Statisfies(strvers string, constraint string) (bool, error) { vers, err := version.NewVersion(strvers) if err != nil { return false, fmt.Errorf("failed to parse '%s' : %v", strvers, err) } constraints, err := version.NewConstraint(constraint) if err != nil { return false, fmt.Errorf("failed to parse constraint '%s'", constraint) } if !constraints.Check(vers) { return false, nil } return true, nil } // Latest return latest crowdsec version based on github func Latest() (string, error) { latest := make(map[string]interface{}) resp, err := http.Get("https://version.crowdsec.net/latest") if err != nil { return "", err } defer resp.Body.Close() err = json.NewDecoder(resp.Body).Decode(&latest) if err != nil { return "", err } if _, ok := latest["name"]; !ok { return "", fmt.Errorf("unable to find latest release name from github api: %+v", latest) } return latest["name"].(string), nil }