Signed-off-by: NZhengtong Liu <zhengtli@redhat.com>

Enlarge timeout of install_rpm to 30mins to avoid case failed
in bad network traffic.

Maxinum 15 mins spend in my 5 tests, set double redundancy for
extreme network.
Signed-off-by: NWenli Quan <wquan@redhat.com>

Signed-off-by: NXu Han <xuhan@redhat.com>

Fix typos and remove the unused variable
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

enable snapshot for disk image, and commit changes when OS updated.
so that we can skip logical about backup and restore OS.
Signed-off-by: NXu Tian <xutian@redhat.com>

Signed-off-by: NXu Tian <xutian@redhat.com>

Signed-off-by: NXu Tian <xutian@redhat.com>

In some linux guest (eg. rhel6.8) cp command has alias
like: alias cp='cp -i'
command execution will block by wait for alternation.
Signed-off-by: NXu Tian <xutian@redhat.com>

Because not all RHEL distro use grub as its bootloader, those grub
related params no longer made sense, so change their name to boot_xxx.
Signed-off-by: NXu Han <xuhan@redhat.com>

200s is not enough to update initrd sometime, need
enlarge it.
Signed-off-by: NCong Li <coli@redhat.com>

Clean up imports across the board in tp-qemu. The criteria
followed was:

1) Remove unnecessary imports
2) Turn multi imports from a single entry point to one
   import per line. This increases both patch and
   source code readability.
3) Separate blocks of imports with a line:
   * Python standard library imports
   * Autotest imports
   * virttest imports
   * Internal tp-qemu imports
4) Remove try/except blocks refering autotest libs and
   stick with the virttest.staging copy

This paves the way for the future removal of autotest
references, replacing those references with avocado ones.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

For installing the latest rhel kernel package, failed with
dracut dependencies, so install first.
Signed-off-by: NShuping Cui <scui@redhat.com>

Signed-off-by: NXu Tian <xutian@redhat.com>