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