[PATCH 3/3] KVM-test: Check if guest bootable after reseting several times

[Amos Kong <akong@redhat.com>]

This test comes from a regression bug:
Guest can not found bootable device after reseting several times by
monitor command.

https://bugzilla.redhat.com/show_bug.cgi?id=531026

Changes from v1:
- add bug id to commitlog
- remove unnecessary imports
- add some log message

Signed-off-by: Amos Kong <akong@redhat.com>
---
 client/tests/kvm/tests/system_reset_bootable.py |   31 +++++++++++++++++++++++
 client/tests/kvm/tests_base.cfg.sample          |    7 +++++
 2 files changed, 38 insertions(+), 0 deletions(-)
 create mode 100755 client/tests/kvm/tests/system_reset_bootable.py

diff --git a/client/tests/kvm/tests/system_reset_bootable.py b/client/tests/kvm/tests/system_reset_bootable.py
new file mode 100755
index 0000000..54536dc
--- /dev/null
+++ b/client/tests/kvm/tests/system_reset_bootable.py
@@ -0,0 +1,31 @@
+import logging, time
+from autotest_lib.client.common_lib import error
+
+def run_system_reset_bootable(test, params, env):
+    """
+    KVM reset test:
+    1) Boot guest.
+    2) Reset system by monitor command for several times.
+    3) Log into the guest to verify it could normally boot.
+
+    @param test: kvm test object
+    @param params: Dictionary with the test parameters
+    @param env: Dictionary with test environment.
+    """
+    vm = env.get_vm(params["main_vm"])
+    vm.verify_alive()
+    timeout = float(params.get("login_timeout", 240))
+    reset_times = int(params.get("reset_times",20))
+    interval = int(params.get("reset_interval",10))
+    wait_time = int(params.get("wait_time_for_reset",60))
+
+    logging.info("Wait for %d seconds before reset" % wait_time)
+    time.sleep(wait_time)
+
+    for i in range(reset_times):
+        logging.info("Reset the system by monitor cmd")
+        vm.monitor.cmd("system_reset")
+        time.sleep(interval)
+
+    logging.info("Try to login guest after reset")
+    session = vm.wait_for_login(timeout=timeout)
diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample
index 1e659bc..3b69b37 100644
--- a/client/tests/kvm/tests_base.cfg.sample
+++ b/client/tests/kvm/tests_base.cfg.sample
@@ -962,6 +962,13 @@ variants:
         sleep_before_reset = 20
         kill_vm_on_error = yes
 
+    - system_reset_bootable:
+        type = system_reset_bootable
+        interval = 1
+        reset_times = 20
+        wait_time_for_reset = 120
+        kill_vm_on_error = yes
+
     - shutdown:     install setup unattended_install.cdrom
         type = shutdown
         shutdown_method = shell