Deploy sles16 guest system with br0 for virtual network runs

https://progress.opensuse.org/issues/188127

Author: guoxuguang

data/virt_autotest/guest_params_xml_files/sles_16_64_kvm_hvm_x86_64_agama_online_iso.xml

@@ -42,7 +42,7 @@
     <guest_storage_backing_format/>
     <guest_storage_others>driver.name=qemu,target.dev=vda,target.bus=virtio,bus=virtio,cache=none</guest_storage_others>
     <guest_network_type>bridge</guest_network_type>
-    <guest_network_mode>bridge</guest_network_mode>
+    <guest_network_mode>host</guest_network_mode>
     <guest_network_device/>
     <guest_network_others/>
     <guest_netaddr/>

lib/virt_autotest/virtual_network_utils.pm

@@ -220,6 +220,7 @@ sub test_network_interface {
     $is_sriov_test = "true" if caller 0 eq 'sriov_network_card_pci_passthrough';
     script_retry("nmap $guest -PN -p ssh | grep open", delay => 30, retry => 6, timeout => 180);
     if ($guest =~ /sles-16/i) {
+        script_retry("ssh root\@$guest ip -o link | grep -i $mac", delay => 30, retry => 10, die => 0) if ($isolated == 1);
         $nic = script_output(qq(ssh root\@$guest ip -o link | grep -i $mac | awk '{gsub(/:/, "", \$2); print \$2}'), proceed_on_failure => 1, timeout => 60);
     } else {
         $nic = script_output "ssh root\@$guest \"grep '$mac' /sys/class/net/*/address | cut -d'/' -f5 | head -n1\"";
@@ -467,15 +468,10 @@ sub setup_vm_simple_dns_with_ip {
 
     my $_dns_file = '/etc/hosts';
 
-    # Workaround for directly editing file issue: resource busy
-    if (is_alp) {
-        $_dns_file = '/etc/hosts.wip';
-        assert_script_run "cp /etc/hosts $_dns_file";
-    }
-
     script_run "sed -i '/$_vm/d' $_dns_file";
     assert_script_run "echo '$_ip $_vm' >> $_dns_file";
-    assert_script_run "cp $_dns_file /etc/hosts" if (is_alp);
+    my $guest_domain_name = $_vm . ".qe.prg2.suse.org";
+    assert_script_run "echo '$_ip $guest_domain_name' >> $_dns_file";
     save_screenshot;
     record_info("Simple DNS setup in /etc/hosts for $_ip $_vm is successful!", script_output("cat /etc/hosts"));
 }

tests/virt_autotest/libvirt_isolated_virtual_network.pm

@@ -47,7 +47,7 @@ sub run_test {
         assert_script_run("virsh attach-interface $guest network vnet_isolated --model $data->{model} --mac $mac --live $data->{affecter}", 60);
 
         #Wait for guests attached interface from virtual isolated network
-        sleep 30;
+        sleep 300;
         test_network_interface($guest, mac => $mac, gateway => $data->{gateway}, isolated => 1, net => $data->{net});
 
         assert_script_run("virsh detach-interface $guest --mac $mac $data->{exclusive}");