virt-install: allow to specify "startupPolicy" for --disk

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

man/virt-install.pod

@@ -517,6 +517,11 @@ Serial number of the emulated disk device. This is used in linux guests
 to set /dev/disk/by-id symlinks. An example serial number might be:
 WD-WMAP9A966149
 
+=item B<startup_policy>
+
+It defines what to do with the disk if the source file is not accessible.  See
+possible values in L<http://www.libvirt.org/formatdomain.html#elementsDisks>
+
 =back
 
 See the examples section for some uses. This option deprecates C<--file>,

tests/clitest.py

@@ -655,6 +655,8 @@ c.add_invalid("--disk %(COLLIDE)s")  # Colliding storage without --force
 c.add_invalid("--disk /dev/default-pool/backing.img")  # Colliding storage via backing store
 c.add_invalid("--disk %(DIR)s,device=cdrom")  # Dir without floppy
 c.add_invalid("--disk %(EXISTIMG1)s,driver_name=foobar,driver_type=foobaz")  # Unknown driver name and type options (as of 1.0.0)
+c.add_valid("--disk path=%(EXISTIMG1)s,startup_policy=optional")  # Existing disk, startupPolicy
+c.add_invalid("--disk path=%(EXISTIMG1)s,startup_policy=Foo")  # Existing disk, invalid startupPolicy
 
 
 c = vinst.add_category("redirdev", "--noautoconsole --nographics --nodisks --pxe")

virtinst/cli.py

@@ -1462,6 +1462,7 @@ def parse_disk(guest, optstr, dev=None, validate=True):
     set_param("error_policy", "error_policy")
     set_param("serial", "serial")
     set_param("target", "target")
+    set_param("sourceStartupPolicy", "startup_policy")
 
     _check_leftover_opts(opts)
     if validate: