66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
package version
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import (
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"context"
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"net/url"
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"github.com/containous/traefik/log"
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"github.com/google/go-github/github"
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goversion "github.com/hashicorp/go-version"
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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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)
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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.Warnf("Error checking new version: %s", err)
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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(), "containous", "traefik", nil)
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if err != nil {
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log.Warnf("Error checking new version: %s", err)
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return
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}
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if resp.StatusCode != 200 {
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log.Warnf("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.Warnf("Error checking new version: %s", err)
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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.Warnf("Error checking new version: %s", err)
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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.Warnf("A new release 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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