Feature #26709
Updated by Lukas Zapletal almost 5 years ago
The And grab Last-Modified and ETag tags (if available) and put this into unique ID. When files are changed (e.g. after new CentOS release) files get corrupted even with the new naming convention implemented in #19389 is because URL does not good, while it workarounds concurrency problems it creates unecessary amount of files. Here is how we could implement this: * we can keep the current unique id approach in core (in Katello lets change from DBID to URL hash like in core) * new code in proxy * before anything is downloaded, do HTTP HEAD and acquire last-modified/etag sha1 hash * then download the content to a filename SHA1 (or skip if the file already exists) * then create a relative symlink FilenameFromForemanCore-XYZ -> SHA * extend TFTP API with "expiration" flag - every created symlink would have expiration time, this would be stored as FILENAME.expire_at timestamp or text file * expiration is set by Foreman core according to Token expiration (when it expires TFTP files are actually also invalid) - when set to zero no expiration is performed * there will be a cronjob running every day cleaning up expired symlinks * the cronjob can optionally delete SHA1 named (content) files which are "orphans" (have zero symlinks) and are older than 1 year We can also use hardlinks instead of symlinks. change.