import logging, os from autotest_lib.client.common_lib import error @error.context_aware def mount_lv(lv_path, session): error.context("mounting ext3 filesystem made on logical volume %s" % os.path.basename(lv_path)) session.cmd("mkdir -p /mnt/kvm_test_lvm") session.cmd("mount %s /mnt/kvm_test_lvm" % lv_path) @error.context_aware def umount_lv(lv_path, session): error.context("umounting ext3 filesystem made on logical volume %s" % os.path.basename(lv_path)) session.cmd("umount %s" % lv_path) session.cmd("rm -rf /mnt/kvm_test_lvm") @error.context_aware def run_lvm(test, params, env): """ KVM reboot test: 1) Log into a guest 2) Create a volume group and add both disks as pv to the Group 3) Create a logical volume on the VG 5) `fsck' to check the partition that LV locates @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 = int(params.get("login_timeout", 360)) session = vm.wait_for_login(timeout=timeout) vg_name = "vg_kvm_test" lv_name = "lv_kvm_test" lv_path = "/dev/%s/%s" % (vg_name, lv_name) disks = params.get("disks", "/dev/hdb /dev/hdc") clean = params.get("clean", "yes") timeout = params.get("lvm_timeout", "600") try: error.context("adding physical volumes %s" % disks) session.cmd("pvcreate %s" % disks) error.context("creating a volume group out of %s" % disks) session.cmd("vgcreate %s %s" % (vg_name, disks)) error.context("activating volume group %s" % vg_name) session.cmd("vgchange -ay %s" % vg_name) error.context("creating logical volume on volume group %s" % vg_name) session.cmd("lvcreate -L2000 -n %s %s" % (lv_name, vg_name)) error.context("creating ext3 filesystem on logical volume %s" % lv_name) session.cmd("yes | mkfs.ext3 %s" % lv_path, timeout=int(timeout)) mount_lv(lv_path, session) umount_lv(lv_path, session) error.context("checking ext3 filesystem made on logical volume %s" % lv_name) session.cmd("fsck %s" % lv_path, timeout=int(timeout)) if clean == "no": mount_lv(lv_path, session) finally: if clean == "yes": umount_lv(lv_path, session) error.context("removing logical volume %s" % lv_name) session.cmd("lvremove %s" % lv_name) error.context("disabling volume group %s" % vg_name) session.cmd("vgchange -a n %s" % vg_name) error.context("removing volume group %s" % vg_name) session.cmd("vgremove -f %s" % vg_name)