package version import ( "net/url" "github.com/containous/traefik/log" "github.com/google/go-github/github" goversion "github.com/hashicorp/go-version" ) var ( // Version holds the current version of traefik. Version = "dev" // Codename holds the current version codename of traefik. Codename = "cheddar" // beta cheese // BuildDate holds the build date of traefik. BuildDate = "I don't remember exactly" ) // CheckNewVersion checks if a new version is available func CheckNewVersion() { if Version == "dev" { return } client := github.NewClient(nil) updateURL, err := url.Parse("https://update.traefik.io") if err != nil { log.Warnf("Error checking new version: %s", err) return } client.BaseURL = updateURL releases, resp, err := client.Repositories.ListReleases("containous", "traefik", nil) if err != nil { log.Warnf("Error checking new version: %s", err) return } if resp.StatusCode != 200 { log.Warnf("Error checking new version: status=%s", resp.Status) return } currentVersion, err := goversion.NewVersion(Version) if err != nil { log.Warnf("Error checking new version: %s", err) return } for _, release := range releases { releaseVersion, err := goversion.NewVersion(*release.TagName) if err != nil { log.Warnf("Error checking new version: %s", err) return } if len(currentVersion.Prerelease()) == 0 && len(releaseVersion.Prerelease()) > 0 { continue } if releaseVersion.GreaterThan(currentVersion) { log.Warnf("A new release has been found: %s. Please consider updating.", releaseVersion.String()) return } } }