Daniel Hilst
6ecd1994fb
isc_xnba_user_class_test wrapped its two alternatives in parentheses so the
trailing `and option client-architecture = ...` would bind to the whole
alternation rather than to the second branch alone. ISC dhcpd has no
parenthesised grouping in its expression grammar, so every generated
dhcpd.conf became unparseable:
/etc/dhcp/.../dhcpd.conf line 11: left brace expected.
if (option user-class-identifier = "xNBA" or substring(option user-cl
^
followed by a cascade of "expecting a parameter or declaration" at each
`} else`, and a daemon that will not start at all.
suffix() gives the same coverage in a single expression that needs no
grouping: it returns the last four bytes, which are "xNBA" whether the
client sent the bare string or the RFC 3004 length-prefixed "\x04xNBA".
The unit test now pins the whole expression rather than each alternative,
and asserts the two properties that broke the daemon -- no leading paren,
no `or` -- so a future rewrite cannot reintroduce grouping unnoticed.
xCAT
xCAT is a toolkit for deployment and administration of clusters of all sizes.
The xCAT sunset was only a quick eclipse
Dear xCAT Community,
The xCAT sunset has changed course. VersatusHPC has been invited to join the xCAT Consortium, and future development will move toward direct upstream contributions coordinated with the Consortium and its existing member companies.
That matters most for Enterprise Linux 10 (EL10). EL10 support is coming to xCAT, restoring a future operating-system path for sites that still rely on xCAT. This is an important change from the previous sunset guidance, where the lack of an EL10 path was one of the strongest reasons to move away from xCAT.
The xCAT Consortium continues to recommend Confluent as the long-term successor to xCAT, and that remains the Consortium position. Users planning new cluster-management deployments should evaluate Confluent and its xCAT comparison documentation.
At the same time, xCAT is no longer sunsetted. The Consortium and participating companies will continue updating xCAT while there is community and user demand for it.
In summary:
- xCAT development is continuing upstream through the Consortium and participating companies.
- Enterprise Linux 10 support is coming.
- Confluent remains the Consortium-recommended successor and migration path.
- xCAT updates will continue while there is community and user demand.
We want to thank the xCAT Consortium and community for keeping this project moving. The sun went behind the moon for a moment, but xCAT is still here.
For more information on Confluent and how to get started, please visit the Confluent: Project Page, Documentation or Confluent vs xCAT comparison.
With thanks,
The xCAT Consortium
Documentation
xCAT Documentation is hosted on Read The Docs: https://xcat-docs.readthedocs.io
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| Stable (latest release) |
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xCAT is made available under the EPL license: https://opensource.org/licenses/eclipse-1.0.php
Developers
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