The update center image contains the following pieces.
- Version specific update sites like
2.xxx: update sites that advertises the versions of plugins that are supported for different version ranges of masters. See README.md.
current: update site for the rest of masters, which advertises the latest of everything.
/downloadtree: an URL space that covers all the versions of all the plugins released to date. Thoes URLs are then redirected to
experimental: update site for experimental plugins that advertises alpha and beta versions, in addition to what the
currentupdate site has.
latest: symlink to
latestCore.txt: a short text file that captures the current latest version of Jenkins.
pluginCount.txt: a short text file that captures the number of plugins in the
release-history.json: Timeline of what plugins have been released when. Useful for usage analytics.
stable-x.xxx: update sites for LTS versions of Jenkins
stable: backward compatibility with older LTS masters that explicitly configure this URL as their update center. Symlink to the latest
update-center.*: symlink to
updates: symlink to
latesttree (example) is a collection of permalinks to the latest version of every plugin in this update site.
latestCore.txtcontains the latest version of the core in this update site.
update-center.json.htmlcontain actual update center metadata in JSON, JSONP, and HTML format respectively.