KVM guest always pauses on NOSPACE error, this test
just repeatedly extend guest disk space and resume guest
from paused status.
Signed-off-by: Amos Kong <akong@xxxxxxxxxx>
---
client/tests/kvm/scripts/check_image.py | 0
client/tests/kvm/tests/enospc.py | 56 +++++++++++++++++++++++++++++++
client/tests/kvm/tests_base.cfg.sample | 14 ++++++++
3 files changed, 70 insertions(+), 0 deletions(-)
mode change 100644 => 100755 client/tests/kvm/scripts/check_image.py
create mode 100644 client/tests/kvm/tests/enospc.py
diff --git a/client/tests/kvm/scripts/check_image.py b/client/tests/kvm/scripts/check_image.py
old mode 100644
new mode 100755
diff --git a/client/tests/kvm/tests/enospc.py b/client/tests/kvm/tests/enospc.py
new file mode 100644
index 0000000..28b5988
--- /dev/null
+++ b/client/tests/kvm/tests/enospc.py
@@ -0,0 +1,56 @@
+import logging, commands, time, os
+from autotest_lib.client.common_lib import error
+import kvm_test_utils
+
+
+def run_enospc(test, params, env):
+ """
+ ENOSPC test
+
+ 1) Create a virtual disk on lvm
+ 2) Boot up guest with two disks
+ 3) Continually write data to second disk
+ 4) Check images and extend second disk when no space
+ 5) Continue paused guest
+ 6) Repeat step 3~5 several times
+
+ @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 = int(params.get("login_timeout", 360))
+ session_serial = kvm_test_utils.wait_for_login(vm, timeout=timeout,
+ serial=True)
+ devname = params.get("devname", "/dev/hdb")
+ if params.get("drive_format") == "virtio":
+ devname = "/dev/vdb"
+ cmd = params.get("background_cmd")
+ session_serial.sendline(cmd % devname)
+
+ i = 0
+ pause_n = 0
+ while i < int(params.get("repeat_time", 40)):
+ status = vm.monitor.cmd("info status")
+ logging.debug("VM status: %s" % status)
+ if "paused" in status:
+ pause_n += 1
+ script_path = os.path.join(test.bindir, "scripts/check_image.py")
+ s, o = commands.getstatusoutput('python %s' % script_path)
+ if s != 0:
+ logging.debug(o)
+ vm.monitor.cmd("cont")
+ #raise error.TestFail("Image check failed!")
+ cmd = "lvextend -L +200M /dev/vgtest/lvtest"
+ logging.info("Guest paused, extend lvm size, cmd: %s" % cmd)
+ commands.getoutput(cmd)
+ logging.info("Continue guest")
+ vm.monitor.cmd("cont")
+ time.sleep(10)
+ i += 1
+
+ logging.info("Guest paused %s times" % pause_n)
+ if pause_n == 0:
+ raise error.TestFail("Guest doesn't become paused")
+
+ logging.info("The final VM status: %s" % vm.monitor.cmd("info status"))
diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample
index c5d9ca3..17e0e43 100644
--- a/client/tests/kvm/tests_base.cfg.sample
+++ b/client/tests/kvm/tests_base.cfg.sample
@@ -591,6 +591,20 @@ variants:
- fmt_raw:
image_format_stg = raw
+ - enospc:
+ type = enospc
+ images += " stg"
+ drive_werror = stop
+ drive_cache = none
+ image_name_stg = enospc
+ image_format_stg = qcow2
+ image_boot_stg = no
+ image_snapshot_stg = no
+ background_cmd = "nohup dd if=/dev/zero of=%s bs=1024 &"
+ pre_command += "qemu-img create -f raw /tmp/enospc.raw 10G && losetup /dev/loop0 /tmp/enospc.raw && pvcreate /dev/loop0 && vgcreate vgtest /dev/loop0 && lvcreate -L200M -n lvtest vgtest && qemu-img create -f qcow2 /dev/vgtest/lvtest 10G && ln -s /dev/vgtest/lvtest /tmp/kvm_autotest_root/images/enospc.qcow2;"
+ post_command += "lvremove -f vgtest; losetup -d /dev/loop0; rm -rf /tmp/enospc.raw /tmp/kvm_autotest_root/images/enospc.qcow2;"
+ kill_vm = yes
+
- qmp_basic: install setup unattended_install.cdrom
type = qmp_basic
--
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