[Pkg-libvirt-commits] [libguestfs] 73/384: python: Add a regression test for disk labelling.

[Hilko Bengen]

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bengen pushed a commit to branch experimental
in repository libguestfs.

commit 90e9ad7ff963571718935ff22f96582515b55763
Author: Richard W.M. Jones <rjones at redhat.com>
Date:   Thu Dec 11 14:32:46 2014 +0000

    python: Add a regression test for disk labelling.
---
 python/t/820-rhbz912499.py | 103 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

diff --git a/python/t/820-rhbz912499.py b/python/t/820-rhbz912499.py
new file mode 100644
index 0000000..1516227
--- /dev/null
+++ b/python/t/820-rhbz912499.py
@@ -0,0 +1,103 @@
+# libguestfs Python bindings
+# Copyright (C) 2014 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+# Test that SELinux relabelling code doesn't regress.
+# See: https://bugzilla.redhat.com/912499#c10
+#      https://bugzilla.redhat.com/1075164#c7
+
+from subprocess import check_output
+import random
+import string
+import re
+import os
+import guestfs
+
+try:
+    import libvirt
+except:
+    print "skipping test: could not import python-libvirt"
+    exit (77)
+
+# If the backend is not libvirt, skip the test.
+backend = guestfs.GuestFS().get_backend()
+re = re.compile ("^libvirt")
+if not re.match (backend):
+    print "skipping test: backend is not libvirt"
+    exit (77)
+
+conn = libvirt.open (None)
+
+# Check we're using the version of libvirt-python that has c_pointer() methods.
+if not "c_pointer" in dir (conn):
+    print "skipping test: libvirt-python doesn't support c_pointer()"
+    exit (77)
+
+# Create a test disk.
+filename = os.getcwd () + "/820-rhbz912499.img"
+guestfs.GuestFS().disk_create (filename, "raw", 1024*1024*1024)
+
+# Create a new domain.  This won't work, it will just hang when
+# booted.  But that's sufficient for the test.
+domname = ''.join (random.choice (string.ascii_uppercase) for _ in range (8))
+domname = "tmp-" + domname
+
+xml = """
+<domain type='kvm'>
+  <name>%s</name>
+  <memory>1048576</memory>
+  <vcpu>1</vcpu>
+  <os>
+    <type>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <devices>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source file='%s'/>
+      <target dev='hda' bus='ide'/>
+    </disk>
+  </devices>
+</domain>
+""" % (domname, filename)
+
+dom = conn.createXML (xml, libvirt.VIR_DOMAIN_START_AUTODESTROY)
+if dom == None:
+    raise "could not create temporary domain (%s)" % domname
+
+print "temporary domain %s is running" % domname
+
+# Libvirt should have labelled the disk.
+print "before starting libguestfs"
+before = check_output (["ls", "-Z", filename])
+print "disk label = %s" % before
+
+# Now see if we can open the domain with libguestfs without
+# disturbing the label.
+g = guestfs.GuestFS ()
+r = g.add_libvirt_dom (dom, readonly = 1)
+if r != 1:
+    raise "unexpected return value from add_libvirt_dom (%d)" % r
+g.launch ()
+
+print "after starting libguestfs"
+after = check_output (["ls", "-Z", filename])
+print "disk label = %s" % after
+
+if before != after:
+    raise "disk label was changed unexpectedly"
+
+os.unlink (filename)

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