Set ssh serial console alive and check kvm modules

[Julie-CAO]

• check kvm modules to avoid the case happens again: bsc#1209596

• keep ssh serial console always alive to get test output after a long run

• Verification run:
  host_upgrade from Wayne
  guest-migration-developing-from-developing-to-developing-kvm //2.5 hours for guest migration. It should be convincing.

[waynechen55]

I think this verification run is convincing. It passed host_upgrade_step2_run which took around 2hrs.

For guest upgrade, I do not think these two test runs 1 and 2 are convincing as above, because I did not see a failure with these two machines recently (This does not mean issue comes from SUT machine). But setting this should does no harm anyway from my perspective. I think more verification runs with guest upgrade needed. @guoxuguang

[Julie-CAO]

@alice-suse @xguo @waynechen55 @nanzhg @tbaev @RoyCai7 @varunkojha @tonyyuan1 Welcome review!

[waynechen55]

I am verifying guest upgrade with your branch

[Julie-CAO]

Is it ok for s390 or arm tests? @guoxuguang @waynechen55

[waynechen55]

ARM64 does not have KVM module because KVM module is either intel_kvm or amd_kvm I think.

[Julie-CAO]

Ok, I'll skip arm and s390 machines.

[waynechen55]

I did several verification runs for guest upgrade. I think the result is convincing.

Although Test Run 1 failed, but it passed wait_serial step judging by serial0.txt and autoinst-log.txt: [2023-03-28T13:07:07.945335+02:00] [debug] [pid:338304] >>> testapi::wait_serial: CMD_FINISHED-519058: ok
Also Test Run 2: [2023-03-28T13:07:07.954561+02:00] [debug] [pid:339531] >>> testapi::wait_serial: CMD_FINISHED-469118: ok.

[waynechen55]

In order to increase certainty, I think you can add one more checking in set_ssh_console_time in lib/Utils/Backend.pm like this:

if (script_run("ls $sshd_config_fle") == 0) {
    seting keepalive cofig
}
else {
    record_info
}

@Julie-CAO

[Julie-CAO]

In order to increase certainty, I think you can add one more checking in set_ssh_console_time in lib/Utils/Backend.pm like this:

if (script_run("ls $sshd_config_fle") == 0) {
    seting keepalive cofig
}
else {
    record_info
}

@Julie-CAO

I agree.

[Julie-CAO]

Add record_info and two more verification runs:
gi-guest_developing-on-host_developing-kvm
uefi-gi-guest_sles12sp5-on-host_developing-xen

PR is ready to merge.