Daniel Hilst
1b81af0d1d
An xCAT management node must serve time to its compute nodes (they point at ntpservers=<xcatmaster>). Ubuntu ships only systemd-timesyncd, an SNTP client that disciplines the local clock but cannot serve time, and makentp supports chronyd and ntpd only. On a stock Ubuntu MN makentp therefore fails outright with "Please make sure ntpd is installed", reddening reg_linux_diskfull_installation_flat. Two further defects compound it. setupntp hard-requires hwclock through check_exec_or_exit, but Ubuntu 24.04 moved hwclock into util-linux-extra, which is absent from minimal images -- so the whole NTP setup, including the clock step that does not need hwclock at all, aborts. And systemd-timesyncd is part of systemd rather than a time-daemon package, so it coexists at the package level and keeps disciplining the clock against whichever daemon xCAT just configured. Assert a shared, unit-tested daemon selector in the spirit of xCAT::DHCP::Backend, the package dependencies that guarantee a server-capable daemon and hwclock, and the setupntp changes. All fail today. Signed-off-by: Daniel Hilst <392820+dhilst@users.noreply.github.com>
xCAT-test/unit
Unit tests. These run against the source tree only -- no xCAT installation, no running daemons, no management node.
They are executed on every pull request by the xcat_test GitHub Actions workflow,
which calls run_unit_tests() in github_action_xcat_test.pl:
prove -r xCAT-test/unit
You can run exactly the same thing from a clean checkout:
cd <xcat-core checkout>
prove -r xCAT-test/unit
What belongs here
A test belongs in unit/ when everything it needs is in the checkout: plugin and
library sources, kickstart/preseed/subiquity templates, postscripts, packaging
metadata. Such a test asserts on rendered output or module logic and reaches the
repository root through FindBin:
use FindBin;
use lib "$FindBin::Bin/../../perl-xCAT";
use lib "$FindBin::Bin/../../xCAT-server/lib/perl";
Because of those FindBin paths the tests only work from a source tree. The copy
installed under /opt/xcat/share/xcat/tools/autotest/unit is not a substitute --
../.. resolves to /opt/xcat/share/xcat/tools there and the tests die or silently
skip. The CI takes a copy of the checkout before the build for this reason; see
preserve_source_tree().
What does not belong here
Anything that needs an installed xCAT, a populated /install, a real service binary
or a live daemon. Those go in ../integration and run on
a management node through xcattest. Both suites run on every pull request -- the
workflow installs xCAT on the runner and then runs the ci_test cases against it --
so putting a test in integration/ does not cost it CI coverage. What differs is what
each suite is allowed to depend on, and that unit tests also run standalone from a
bare checkout with no xCAT at all.
The distinction matters because a test that needs an absent environment does not fail
-- it calls plan skip_all and reports as skipped. A handful of those in a suite of
several hundred assertions is easy to stop reading. Keeping the two kinds in separate
directories means a skip in unit/ is a real signal rather than routine noise.
Guarding on a source file, on the other hand, is fine and common here:
plan skip_all => "compute.subiquity.tmpl not found" unless -f $tmpl_path;
That guard never fires when the tree is intact.