This SOP is about adjust EOLs and SLs on so-called "arbitrary" branches. Unretiring a package also involves changing the EOL on a branch, but you won’t find information on that here. See the unretirement SOP for more info there.
With "arbitrary branching", modules can include streams for an RPM that are not directly associated with a Fedora release. Modules themselves can have branches not directly associated with a Fedora release. For instance, our python3 module has a 3.6 branch. The SLs on that module branch all go EOL on 2018-06-01. @torsava, one of the python3 module maintainers, may request that this branch have its EOL extended until 2018-12-01.
When a maintainer wants to change EOL on a rpm, module, or container branch, they need to file a releng ticket requesting it. They have no way to do it on their own. Releng must review the request, and then process it.
Here are some policy guidelines to help you (releng) make decisions about these tickets
Clarify. Does the maintainer want the EOL lengthed for an rpm? Or for a module? Or for a container? If they just say "increase the EOL for httpd, please", it is not clear which thing they’re really talking about.
Expect that maintainers generally know when their EOL should go until. You don’t need to go and research upstream mailing lists to figure out what makes sense. Politely asking the maintainer for some background information on why the EOL should be changed is good to record in the ticket for posterity. Bonus points if they can provide references to upstream discussions that make the request make sense.
EOLs should almost always only be extended into the future. Shortening an EOL should only be done with care. There might be modules out there that depend on an rpm branch with a conflicting EOL of their own. If a shorter EOL is requested for an rpm branch, you should verify that no modules that depend on it have a conflicting EOL. If a shorter EOL is requested for a module branch, you should verify that no other modules require it that have a conflicting EOL.
EOLs should not be arbitrary dates. At Flock 2017, we decided on using two standard dates for EOLs to help make things less crazy. You should use December 1st or June 1st of any given year for all EOL dates.
Many branches will often have multiple SLs all with the same EOL. I.e., the branch is fully supported until such time as it is totally retired. There is no gray area. However, it is possible to have branches with piecemeal SLs and EOLs. A branch may support bug_fixes until time X but will further support security_fixes until time Y. This is nicely flexible for the maintainers, but also introduces complexity. If a maintainer requests piecemeal SL EOLs, ask to make sure they really want this kind of complexity.
We have a script in the releng repo:
$ PYTHONPATH=scripts/pdc python3 scripts/pdc/adjust-eol.py -h
Run it with python3. It imports fedrepo_req which is python3 by default. Installing python2 dependencies should be possible when needed.
Here is an example of using it to increase the SL of the 3.6 branch of the python3 module (not the rpm branch):
$ PYTHONPATH=scripts/pdc python3 scripts/pdc/adjust-eol.py \ fedora \ SOME_TOKEN \ python3 \ module \ 3.6 \ 2018-12-01 Connecting to PDC args.server 'fedora' with token 'a9a1e4cbca122c21580d1fe4646e603a770c5280' Found 2 existing SLs in PDC. Adjust eol of (module)python3#3.6 security_fixes:2018-06-01 to 2018-12-01? [y/N]: y Adjust eol of (module)python3#3.6 bug_fixes:2018-06-01 to 2018-12-01? [y/N]: y Set eol to 2018-12-01 on ['(module)python3#3.6 security_fixes:2018-06-01', '(module)python3#3.6 bug_fixes:2018-06-01']
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