On Mon, Jan 04, 2010 at 10:52:13PM +0800, Amos Kong wrote:
> On Mon, Jan 04, 2010 at 05:30:21PM +0800, Yolkfull Chow wrote:
> > Add image_copy subtest for convenient KVM functional testing.
> >
> > The target image will be copied into the linked directory if link 'images'
> > is created, and copied to the directory specified in config file otherwise.
> >
> > Signed-off-by: Yolkfull Chow <[email protected]>
> > ---
> > client/tests/kvm/kvm_utils.py | 64
> > ++++++++++++++++++++++++++++++++
> > client/tests/kvm/tests/image_copy.py | 42 +++++++++++++++++++++
> > client/tests/kvm/tests_base.cfg.sample | 6 +++
> > 3 files changed, 112 insertions(+), 0 deletions(-)
> > create mode 100644 client/tests/kvm/tests/image_copy.py
> >
> > diff --git a/client/tests/kvm/kvm_utils.py b/client/tests/kvm/kvm_utils.py
> > index 2bbbe22..1e11441 100644
> > --- a/client/tests/kvm/kvm_utils.py
> > +++ b/client/tests/kvm/kvm_utils.py
> > @@ -924,3 +924,67 @@ def create_report(report_dir, results_dir):
> > reporter = os.path.join(report_dir, 'html_report.py')
> > html_file = os.path.join(results_dir, 'results.html')
> > os.system('%s -r %s -f %s -R' % (reporter, results_dir, html_file))
> > +
> > +
> > +def is_dir_mounted(source, dest, type, perm):
> > + """
> > + Check whether `source' is mounted on `dest' with right permission.
> > +
> > + @source: mount source
> > + @dest: mount point
> > + @type: file system type
>
> @perm: mount permission
>
> > + """
> > + match_string = "%s %s %s %s" % (source, dest, type, perm)
> > + try:
> > + f = open("/etc/mtab", "r")
> > + except IOError:
> > + pass
>
> When calling open(), if raise an IOError exception, 'f' was not assigned.
> Then we could not call 'f.read()' or 'f.close()'
Ah..yes, thanks for pointing this out.
>
> We need 'return False', not 'pass'
>
> > + mounted = f.read()
> > + f.close()
> > + if match_string in mounted:
> > + return True
> > + return False
> > +
> > +
> > +def umount(mount_point):
> > + """
> > + Umount `mount_point'.
> > +
> > + @mount_point: mount point
> > + """
> > + cmd = "umount %s" % mount_point
> > + s, o = commands.getstatusoutput(cmd)
> > + if s != 0:
> > + logging.error("Fail to umount: %s" % o)
> > + return False
> > + return True
> > +
> > +
> > +def mount(src, mount_point, type, perm = "rw"):
> > + """
> > + Mount the src into mount_point of the host.
> > +
> > + @src: mount source
> > + @mount_point: mount point
> > + @type: file system type
> > + @perm: mount permission
> > + """
> > + if is_dir_mounted(src, mount_point, type, perm):
> > + return True
> > +
> > + umount(mount_point)
> > +
> > + cmd = "mount -t %s %s %s -o %s" % (type, src, mount_point, perm)
> > + logging.debug("Issue mount command: %s" % cmd)
> > + s, o = commands.getstatusoutput(cmd)
> > + if s != 0:
> > + logging.error("Fail to mount: %s " % o)
> > + return False
> > +
> > + if is_dir_mounted(src, mount_point, type, perm):
> > + logging.info("Successfully mounted %s" % src)
> > + return True
> > + else:
> > + logging.error("Mount verification failed; currently mounted: %s" %
> > + file('/etc/mtab').read())
> > + return False
> > diff --git a/client/tests/kvm/tests/image_copy.py
> > b/client/tests/kvm/tests/image_copy.py
> > new file mode 100644
> > index 0000000..800fb90
> > --- /dev/null
> > +++ b/client/tests/kvm/tests/image_copy.py
> > @@ -0,0 +1,42 @@
> > +import os, logging, commands
> > +from autotest_lib.client.common_lib import error
> > +import kvm_utils
> > +
> > +def run_image_copy(test, params, env):
> > + """
> > + Copy guest images from NFS server.
> > + 1) Mount the NFS directory
> > + 2) Check the existence of source image
> > + 3) If existence copy the image from NFS
> > +
> > + @param test: kvm test object
> > + @param params: Dictionary with the test parameters
> > + @param env: Dictionary with test environment.
> > + """
> > + mount_dest_dir = params.get("dst_dir",'/mnt/images')
> > + if not os.path.exists(mount_dest_dir):
> > + os.mkdir(mount_dest_dir)
> > +
> > + src_dir = params.get('nfs_images_dir')
> > + image_dir = os.path.join(os.environ['AUTODIR'],'tests/kvm/images')
> > + if not os.path.exists(image_dir):
> > + image_dir = os.path.dirname(params.get("image_name"))
> > +
> > + image =
> > os.path.split(params['image_name'])[1]+'.'+params['image_format']
> > +
> > + src_path = os.path.join(mount_dest_dir, image)
> > + dst_path = os.path.join(image_dir, image)
> > +
> > + if not kvm_utils.mount(src_dir, mount_dest_dir, "nfs", "ro"):
> > + raise error.TestError("Fail to mount the %s to %s" %
> > + (src_dir, mount_dest_dir))
> > +
> > + # Check the existence of source image
> > + if not os.path.exists(src_path):
> > + raise error.TestError("Could not found %s in src directory" %
> > src_path)
> > +
> > + logging.info("Copying image '%s'..." % image)
> > + cmd = "cp %s %s" % (src_path, dst_path)
> > + s, o = commands.getstatusoutput(cmd)
> > + if s != 0:
> > + raise error.TestFail("Failed to copy image %s: %s" % (cmd, o))
> > diff --git a/client/tests/kvm/tests_base.cfg.sample
> > b/client/tests/kvm/tests_base.cfg.sample
> > index b8f25f4..bdeac19 100644
> > --- a/client/tests/kvm/tests_base.cfg.sample
> > +++ b/client/tests/kvm/tests_base.cfg.sample
> > @@ -61,6 +61,12 @@ variants:
> > floppy = "images/floppy.img"
> > extra_params += " -boot d"
> >
> > + - image_copy:
> > + type = image_copy
> > + vms = ''
> > + # Here specify the NFS directory that contains all images
> > + nfs_images_dir =
> > +
> > - setup: install unattended_install
> > type = steps
> > fail_if_stuck_for = 300
> > --
> > 1.6.6
> >
> > _______________________________________________
> > Autotest mailing list
> > [email protected]
> > http://test.kernel.org/cgi-bin/mailman/listinfo/autotest
>
> --
> Amos Kong
> Quality Engineer
> Raycom Office(Beijing), Red Hat Inc.
> Phone: +86-10-62608183
> --
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