Add a new subtest to check whether kdump work correctly in guest. This test just
try to trigger crash on each vcpu and then verify it by checking the vmcore.
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
client/tests/kvm/tests/kdump.py | 79 ++++++++++++++++++++++++++
client/tests/kvm/tests_base.cfg.sample | 11 ++++
client/tests/kvm/unattended/RHEL-5-series.ks | 1
3 files changed, 91 insertions(+), 0 deletions(-)
create mode 100644 client/tests/kvm/tests/kdump.py
diff --git a/client/tests/kvm/tests/kdump.py b/client/tests/kvm/tests/kdump.py
new file mode 100644
index 0000000..8fa3cca
--- /dev/null
+++ b/client/tests/kvm/tests/kdump.py
@@ -0,0 +1,79 @@
+import logging, time
+from autotest_lib.client.common_lib import error
+import kvm_subprocess, kvm_test_utils, kvm_utils
+
+
+def run_kdump(test, params, env):
+ """
+ KVM reboot test:
+ 1) Log into a guest
+ 2) Check and enable the kdump
+ 3) For each vcpu, trigger a crash and check the vmcore
+
+ @param test: kvm test object
+ @param params: Dictionary with the test parameters
+ @param env: Dictionary with test environment.
+ """
+ vm = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
+ timeout = float(params.get("login_timeout", 240))
+ crash_timeout = float(params.get("crash_timeout", 360))
+ session = kvm_test_utils.wait_for_login(vm, 0, timeout, 0, 2)
+ def_kernel_param_cmd = "grubby --update-kernel=`grubby --default-kernel`" \
+ " --args=crashkernel=128M@64M"
+ kernel_param_cmd = params.get("kernel_param_cmd", def_kernel_param_cmd)
+ def_kdump_enable_cmd = "chkconfig kdump on && service kdump start"
+ kdump_enable_cmd = params.get("kdump_enable_cmd", def_kdump_enable_cmd)
+
+ def crash_test(vcpu):
+ """
+ Trigger a crash dump through sysrq-trigger
+
+ @param vcpu: vcpu which is used to trigger a crash
+ """
+ session = kvm_test_utils.wait_for_login(vm, 0, timeout, 0, 2)
+ session.get_command_status("rm -rf /var/crash/*")
+
+ logging.info("Triggering crash on vcpu %d ...", vcpu)
+ crash_cmd = "taskset -c %d echo c > /proc/sysrq-trigger" % vcpu
+ session.sendline(crash_cmd)
+
+ if not kvm_utils.wait_for(lambda: not session.is_responsive(), 240, 0,
+ 1):
+ raise error.TestFail("Could not trigger crash on vcpu %d" % vcpu)
+
+ logging.info("Waiting for the completion of dumping")
+ session = kvm_test_utils.wait_for_login(vm, 0, crash_timeout, 0, 2)
+
+ logging.info("Probing vmcore file ...")
+ s = session.get_command_status("ls -R /var/crash | grep vmcore")
+ if s != 0:
+ raise error.TestFail("Could not find the generated vmcore file!")
+ else:
+ logging.info("Found vmcore.")
+
+ session.get_command_status("rm -rf /var/crash/*")
+
+ try:
+ logging.info("Check the existence of crash kernel ...")
+ prob_cmd = "grep -q 1 /sys/kernel/kexec_crash_loaded"
+ s = session.get_command_status(prob_cmd)
+ if s != 0:
+ logging.info("Crash kernel is not loaded. Try to load it.")
+ # We need to setup the kernel params
+ s, o = session.get_command_status_output(kernel_param_cmd)
+ if s != 0:
+ raise error.TestFail("Could not add crashkernel params to"
+ "kernel")
+ session = kvm_test_utils.reboot(vm, session, timeout=timeout);
+
+ logging.info("Enable kdump service ...")
+ # the initrd may be rebuilt here so we need to wait a little more
+ s, o = session.get_command_status_output(kdump_enable_cmd, timeout=120)
+ if s != 0:
+ raise error.TestFail("Could not enable kdump service:%s" % o)
+
+ nvcpu = int(params.get("smp", 1))
+ [crash_test(i) for i in range(nvcpu)]
+
+ finally:
+ session.close()
diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample
index fe3563c..25ad688 100644
--- a/client/tests/kvm/tests_base.cfg.sample
+++ b/client/tests/kvm/tests_base.cfg.sample
@@ -665,6 +665,15 @@ variants:
image_name_snapshot1 = sn1
image_name_snapshot2 = sn2
+ - kdump:
+ type = kdump
+ # time waited for the completion of crash dump
+ # crash_timeout = 360
+ # command to add the crashkernel=X@Y to kernel cmd line
+ # kernel_param_cmd = "grubby --update-kernel=`grubby --default-kernel` --args=crashkernel=128M@64M"
+ # command to enable kdump service
+ # kdump_enable_cmd = chkconfig kdump on && service kdump start
+
# system_powerdown, system_reset and shutdown *must* be the last ones
# defined (in this order), since the effect of such tests can leave
# the VM on a bad state.
@@ -1924,6 +1933,8 @@ virtio_net|virtio_blk|e1000|balloon_check:
only Fedora.11 Fedora.12 Fedora.13 RHEL.5 OpenSUSE.11 SLES.11 Ubuntu-8.10-server
# only WinXP Win2003 Win2008 WinVista Win7 Fedora.11 Fedora.12 Fedora.13 RHEL.5 OpenSUSE.11 SLES.11 Ubuntu-8.10-server
+kdump:
+ only Fedora RHEL.5
variants:
- @qcow2:
diff --git a/client/tests/kvm/unattended/RHEL-5-series.ks b/client/tests/kvm/unattended/RHEL-5-series.ks
index 92ff727..3ee84f1 100644
--- a/client/tests/kvm/unattended/RHEL-5-series.ks
+++ b/client/tests/kvm/unattended/RHEL-5-series.ks
@@ -21,6 +21,7 @@ reboot
@base
@development-libs
@development-tools
+kexec-tools
%post --interpreter /usr/bin/python
import socket, os
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