Following are the differences between version 1:
1) use framework to destroy VMs except the main_vm
2) use snapshot to boot other VMs except the first one
Regards,
Yolkfull
diff --git a/client/tests/kvm/kvm.py b/client/tests/kvm/kvm.py
index 9428162..1f553b4 100644
--- a/client/tests/kvm/kvm.py
+++ b/client/tests/kvm/kvm.py
@@ -53,6 +53,7 @@ class kvm(test.test):
"autotest": test_routine("kvm_tests", "run_autotest"),
"kvm_install": test_routine("kvm_install", "run_kvm_install"),
"linux_s3": test_routine("kvm_tests", "run_linux_s3"),
+ "stress_boot": test_routine("kvm_tests", "run_stress_boot"),
}
# Make it possible to import modules from the test's bindir
diff --git a/client/tests/kvm/kvm_tests.cfg.sample b/client/tests/kvm/kvm_tests.cfg.sample
index c73da7c..ff7abea 100644
--- a/client/tests/kvm/kvm_tests.cfg.sample
+++ b/client/tests/kvm/kvm_tests.cfg.sample
@@ -81,6 +81,10 @@ variants:
- linux_s3: install setup
type = linux_s3
+ - stress_boot:
+ type = stress_boot
+ max_vms = 5
+
# NICs
variants:
- @rtl8139:
@@ -101,6 +105,8 @@ variants:
ssh_status_test_command = echo $?
username = root
password = 123456
+ stress_boot:
+ alive_test_cmd = ps aux
variants:
- Fedora:
@@ -291,6 +297,8 @@ variants:
password = 123456
migrate:
migration_test_command = ver && vol
+ stress_boot:
+ alive_test_cmd = systeminfo
variants:
- Win2000:
diff --git a/client/tests/kvm/kvm_tests.py b/client/tests/kvm/kvm_tests.py
index 54d2a7a..fde33bb 100644
--- a/client/tests/kvm/kvm_tests.py
+++ b/client/tests/kvm/kvm_tests.py
@@ -466,3 +466,77 @@ def run_linux_s3(test, params, env):
logging.info("VM resumed after S3")
session.close()
+
+
+def run_stress_boot(tests, params, env):
+ """
+ Boots VMs until one of them becomes unresponsive, and records the maximum
+ number of VMs successfully started:
+ 1) boot the first vm
+ 2) boot the second vm cloned from the first vm, check whether it boots up
+ and all booted vms can ssh-login
+ 3) go on until cannot create VM anymore or cannot allocate memory for VM
+
+ @param test: kvm test object
+ @param params: Dictionary with the test parameters
+ @param env: Dictionary with test environment.
+ """
+ # boot the first vm
+ vm = kvm_utils.env_get_vm(env, params.get("main_vm"))
+
+ if not vm:
+ raise error.TestError("VM object not found in environment")
+ if not vm.is_alive():
+ raise error.TestError("VM seems to be dead; Test requires a living VM")
+
+ logging.info("Waiting for first guest to be up...")
+
+ session = kvm_utils.wait_for(vm.ssh_login, 240, 0, 2)
+ if not session:
+ raise error.TestFail("Could not log into first guest")
+
+ num = 1
+ vms = []
+ sessions = [session]
+
+ # boot the VMs
+ while num <= int(params.get("max_vms")):
+ try:
+ vm_name = "vm" + str(num)
+
+ # clone vm according to the first one
+ vm_params = params.copy()
+ vm_params['image_snapshot'] = "yes"
+ vm_params['kill_vm'] = "yes"
+ vm_params['kill_vm_gracefully'] = "no"
+ curr_vm = vm.clone(vm_name, vm_params)
+ kvm_utils.env_register_vm(env, vm_name, curr_vm)
+ params['vms'] += " " + vm_name
+
+ #vms.append(curr_vm)
+ logging.info("Booting guest #%d" % num)
+ if not curr_vm.create():
+ raise error.TestFail("Cannot create VM #%d" % num)
+
+ curr_vm_session = kvm_utils.wait_for(curr_vm.ssh_login, 240, 0, 2)
+ if not curr_vm_session:
+ raise error.TestFail("Could not log into guest #%d" % num)
+
+ logging.info("Guest #%d boots up successfully" % num)
+ sessions.append(curr_vm_session)
+
+ # check whether all previous ssh sessions are responsive
+ for i, vm_session in enumerate(sessions):
+ if vm_session.get_command_status(params.get("alive_test_cmd")):
+ raise error.TestFail("Session #%d is not responsive" % i)
+ num += 1
+
+ except (error.TestFail, OSError):
+ for se in sessions:
+ se.close()
+ logging.info("Total number booted: %d" % num)
+ raise
+ else:
+ for se in sessions:
+ se.close()
+ logging.info("Total number booted: %d" % num)
