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ktest: Test if target machine is up before install 

Sometimes a test kernel will crash or hang on reboot (this is even more
apparent when testing a config without CGROUPS on a box running
systemd). When this happens, on the next iteration of installing a
kernel, ktest will fail when it tries to install.

Have ktest do a check to see if the target can be connected to via ssh
before it tries to install. If it can't connect, then reboot again.
This time the reboot will fail because it can't connect and will force a
power cycle.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2012-12-11 21:19:41 -05:00 committed by Steven Rostedt
parent 1892517056
commit e1a6c3d748
1 changed files with 10 additions and 0 deletions
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10
tools/testing/ktest/ktest.pl
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@ -1807,6 +1807,14 @@ sub do_post_install {
dodie "Failed to run post install";
}
# Sometimes the reboot fails, and will hang. We try to ssh to the box
# and if we fail, we force another reboot, that should powercycle it.
sub test_booted {
if (!run_ssh "echo testing connection") {
reboot $sleep_time;
}
}
sub install {
return if ($no_install);
@ -1819,6 +1827,8 @@ sub install {
my $cp_target = eval_kernel_version $target_image;
test_booted;
run_scp_install "$outputdir/$build_target", "$cp_target" or
dodie "failed to copy image";