Jenkins update center parser go

Golang package to parse jenkins update center json file/endpoint

original repo: https://github.com/jenkins-infra/update-center2/blob/master/site/LAYOUT.md

parses: https://updates.jenkins.io

Supported endpoints

• Root update center page aka update-center.json
• Plugin versions aka plugin-versions.json
• Get stable(LTS) jenkins core stable/latestCore.txt
• Get latest jenkins core aka current/latestCore.txt
• Get plugin release notes https://plugin-site-issues.jenkins.io/api/plugin/<pluginName>/releases

example:

	js := jenkinsSite.NewJenkinsSite()

	latestCoreVersion, _ := js.GetLatestCoreVersion()
	fmt.Println(latestCoreVersion)

	stableCoreVersion, _ := js.GetStableCoreVersion()
	fmt.Println(stableCoreVersion)

	releaseNotes, _ := js.DownloadReleaseNotes("blueocean")
	fmt.Println(releaseNotes)

	pluginVersions, _ := js.PluginVersions.Get()
	fmt.Println(pluginVersions)

	updateCenter, _ := js.UpdateCenter.Get("2.401.3")
	fmt.Println(updateCenter)

TODO:

• support switch between repos

stable
current
experimental

currently only hard coded ones

• Release history https://github.com/jenkins-infra/update-center2/blob/master/site/LAYOUT.md#release-history-json-file
• Plugin documentation https://github.com/jenkins-infra/update-center2/blob/master/site/LAYOUT.md#plugin-documentation-urls-json-file