mirror of
https://github.com/traefik/traefik.git
synced 2025-10-31 08:21:27 +01:00
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
package version
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import (
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"context"
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"net/http"
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"net/url"
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"time"
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"github.com/google/go-github/v28/github"
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"github.com/gorilla/mux"
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goversion "github.com/hashicorp/go-version"
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"github.com/rs/zerolog/log"
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"github.com/unrolled/render"
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)
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var (
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// Version holds the current version of traefik.
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Version = "dev"
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// Codename holds the current version codename of traefik.
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Codename = "cheddar" // beta cheese
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// BuildDate holds the build date of traefik.
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BuildDate = "I don't remember exactly"
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// StartDate holds the start date of traefik.
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StartDate = time.Now()
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// DisableDashboardAd disables ad in the dashboard.
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DisableDashboardAd = false
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)
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// Handler expose version routes.
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type Handler struct{}
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var templatesRenderer = render.New(render.Options{
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Directory: "nowhere",
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})
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// Append adds version routes on a router.
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func (v Handler) Append(router *mux.Router) {
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router.Methods(http.MethodGet).Path("/api/version").
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HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
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v := struct {
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Version string
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Codename string
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StartDate time.Time `json:"startDate"`
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UUID string `json:"uuid,omitempty"`
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DisableDashboardAd bool `json:"disableDashboardAd,omitempty"`
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}{
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Version: Version,
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Codename: Codename,
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StartDate: StartDate,
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DisableDashboardAd: DisableDashboardAd,
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}
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if err := templatesRenderer.JSON(response, http.StatusOK, v); err != nil {
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log.Error().Err(err).Send()
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}
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})
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}
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// CheckNewVersion checks if a new version is available.
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func CheckNewVersion() {
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if Version == "dev" {
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return
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}
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client := github.NewClient(nil)
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updateURL, err := url.Parse("https://update.traefik.io/")
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if err != nil {
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log.Warn().Err(err).Msg("Error checking new version")
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return
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}
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client.BaseURL = updateURL
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releases, resp, err := client.Repositories.ListReleases(context.Background(), "traefik", "traefik", nil)
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if err != nil {
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log.Warn().Err(err).Msg("Error checking new version")
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return
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}
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if resp.StatusCode != http.StatusOK {
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log.Warn().Msgf("Error checking new version: status=%s", resp.Status)
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return
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}
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currentVersion, err := goversion.NewVersion(Version)
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if err != nil {
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log.Warn().Err(err).Msg("Error checking new version")
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return
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}
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for _, release := range releases {
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releaseVersion, err := goversion.NewVersion(*release.TagName)
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if err != nil {
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log.Warn().Err(err).Msg("Error checking new version")
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return
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}
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if len(currentVersion.Prerelease()) == 0 && len(releaseVersion.Prerelease()) > 0 {
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continue
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}
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if releaseVersion.GreaterThan(currentVersion) {
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log.Warn().Err(err).Msgf("A new release of Traefik has been found: %s. Please consider updating.", releaseVersion.String())
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return
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}
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}
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}
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