mirror of
https://github.com/virt-manager/virt-manager.git
synced 2024-10-26 08:55:13 +03:00
virt-xml: Denest and comment code flow a bit
Add lots of early exits to remove implicit fall through behavior that I find hard to follow
This commit is contained in:
Cole Robinson
parent
0221471e4f
commit
52c6094c65
@ -1085,7 +1085,7 @@ vixml = App("virt-xml")
|
||||
c = vixml.add_category("misc", "")
|
||||
c.add_valid("--help") # basic --help test
|
||||
c.add_valid("--sound=? --tpm=?") # basic introspection test
|
||||
c.add_valid("test-state-shutoff --edit --update --boot menu=on") # --update with inactive VM, should work but warn
|
||||
c.add_valid("test-state-shutoff --edit --update --boot menu=on", grep="The VM is not running") # --update with inactive VM, should work but warn
|
||||
c.add_valid("test-for-virtxml --edit --graphics password=foo --update --confirm", input_text="no\nno\n") # prompt exiting
|
||||
c.add_valid("test-for-virtxml --edit --cpu host-passthrough --no-define --start --confirm", input_text="no") # transient prompt exiting
|
||||
c.add_valid("test-for-virtxml --edit --metadata name=test-for-virtxml", grep="requested changes will have no effect")
|
||||
@ -1093,8 +1093,8 @@ c.add_invalid("test --edit 2 --events on_poweroff=destroy", grep="'--edit 2' doe
|
||||
c.add_invalid("test --os-variant fedora26 --edit --cpu host-passthrough", grep="--os-variant is not supported")
|
||||
c.add_invalid("test-for-virtxml --os-variant fedora26 --remove-device --disk 1", grep="--os-variant is not supported")
|
||||
c.add_invalid("--build-xml --os-variant fedora26 --disk path=foo", grep="--os-variant is not supported")
|
||||
c.add_invalid("domain-idontexist --cpu host-passthrough --start", grep="Could not find domain")
|
||||
c.add_invalid("test-state-shutoff --edit --update --boot menu=on --start", grep="Either update or start")
|
||||
c.add_invalid("domain-idontexist --edit --cpu host-passthrough --start", grep="Could not find domain")
|
||||
c.add_invalid("test-state-shutoff --edit --update --boot menu=on --start", grep="Cannot mix --update")
|
||||
c.add_invalid("test --edit --update --events on_poweroff=destroy", grep="Don't know how to --update for --events")
|
||||
c.add_invalid("--edit --cpu host-passthrough --confirm", input_file=(XMLDIR + "/virtxml-stdin-edit.xml"), grep="Can't use --confirm with stdin")
|
||||
c.add_invalid("--edit --cpu host-passthrough --update", input_file=(XMLDIR + "/virtxml-stdin-edit.xml"), grep="Can't use --update with stdin")
|
||||
|
||||
88
virt-xml
88
virt-xml
@ -436,9 +436,6 @@ def main(conn=None):
|
||||
options.quiet = False
|
||||
cli.setupLogging("virt-xml", options.debug, options.quiet)
|
||||
|
||||
if options.update and options.start:
|
||||
fail(_("Either update or start a domain"))
|
||||
|
||||
if cli.check_option_introspection(options):
|
||||
return 0
|
||||
|
||||
@ -453,6 +450,10 @@ def main(conn=None):
|
||||
else:
|
||||
fail(_("A domain must be specified"))
|
||||
|
||||
# Default to --define, unless:
|
||||
# --no-define explicitly specified
|
||||
# --print-* option is used
|
||||
# XML input came from stdin
|
||||
if not options.print_xml and not options.print_diff:
|
||||
if options.stdinxml:
|
||||
if not options.define:
|
||||
@ -463,6 +464,21 @@ def main(conn=None):
|
||||
if options.confirm and not options.print_xml:
|
||||
options.print_diff = True
|
||||
|
||||
# Ensure only one of these actions wash specified
|
||||
# --edit
|
||||
# --remove-device
|
||||
# --add-device
|
||||
# --build-xml
|
||||
check_action_collision(options)
|
||||
|
||||
# Ensure there wasn't more than one device/xml config option
|
||||
# specified. So reject '--disk X --network X'
|
||||
parserclass = check_xmlopt_collision(options)
|
||||
|
||||
if options.update and not parserclass.guest_propname:
|
||||
fail(_("Don't know how to --update for --%s") %
|
||||
(parserclass.cli_arg_name))
|
||||
|
||||
conn = cli.getConnection(options.connect, conn)
|
||||
|
||||
domain = None
|
||||
@ -472,15 +488,8 @@ def main(conn=None):
|
||||
domain, inactive_xmlobj, active_xmlobj = get_domain_and_guest(
|
||||
conn, options.domain)
|
||||
else:
|
||||
inactive_xmlobj = virtinst.Guest(conn,
|
||||
parsexml=options.stdinxml)
|
||||
|
||||
check_action_collision(options)
|
||||
parserclass = check_xmlopt_collision(options)
|
||||
|
||||
if options.update and not parserclass.guest_propname:
|
||||
fail(_("Don't know how to --update for --%s") %
|
||||
(parserclass.cli_arg_name))
|
||||
inactive_xmlobj = virtinst.Guest(conn, parsexml=options.stdinxml)
|
||||
vm_is_running = bool(active_xmlobj)
|
||||
|
||||
if options.build_xml:
|
||||
devs = action_build_xml(conn, options, parserclass, inactive_xmlobj)
|
||||
@ -489,35 +498,48 @@ def main(conn=None):
|
||||
print_stdout(dev.get_xml())
|
||||
return 0
|
||||
|
||||
performed_update = False
|
||||
if options.update:
|
||||
if active_xmlobj:
|
||||
if options.update and options.start:
|
||||
fail(_("Cannot mix --update and --start"))
|
||||
|
||||
if vm_is_running:
|
||||
devs, action = prepare_changes(active_xmlobj, options, parserclass)
|
||||
update_changes(domain, devs, action, options.confirm)
|
||||
performed_update = True
|
||||
else:
|
||||
logging.warning(
|
||||
_("The VM is not running, --update is inapplicable."))
|
||||
if not options.define:
|
||||
# --update and --no-define passed, so we are done
|
||||
# It's hard to hit this case with the test suite
|
||||
return 0 # pragma: no cover
|
||||
|
||||
if options.define or options.start:
|
||||
devs, action = prepare_changes(inactive_xmlobj, options, parserclass)
|
||||
if options.define:
|
||||
dom = define_changes(conn, inactive_xmlobj,
|
||||
devs, action, options.confirm)
|
||||
if dom and options.start:
|
||||
try:
|
||||
dom.create()
|
||||
except libvirt.libvirtError as e: # pragma: no cover
|
||||
fail(_("Failed starting domain '%s': %s") % (inactive_xmlobj.name, e))
|
||||
print_stdout(_("Domain '%s' started successfully.") %
|
||||
inactive_xmlobj.name)
|
||||
elif not options.update and active_xmlobj and dom:
|
||||
print_stdout(
|
||||
_("Changes will take effect after the domain is fully powered off."))
|
||||
else:
|
||||
dom = start_domain_transient(conn, inactive_xmlobj, devs,
|
||||
action, options.confirm)
|
||||
devs, action = prepare_changes(inactive_xmlobj, options, parserclass)
|
||||
if not options.define:
|
||||
if options.start:
|
||||
start_domain_transient(conn, inactive_xmlobj, devs,
|
||||
action, options.confirm)
|
||||
return 0
|
||||
|
||||
if not options.update and not options.define and not options.start:
|
||||
prepare_changes(inactive_xmlobj, options, parserclass)
|
||||
dom = define_changes(conn, inactive_xmlobj,
|
||||
devs, action, options.confirm)
|
||||
if not dom:
|
||||
# --confirm user said 'no'
|
||||
return 0
|
||||
|
||||
if options.start:
|
||||
try:
|
||||
dom.create()
|
||||
except libvirt.libvirtError as e: # pragma: no cover
|
||||
fail(_("Failed starting domain '%s': %s") % (
|
||||
inactive_xmlobj.name, e))
|
||||
print_stdout(_("Domain '%s' started successfully.") %
|
||||
inactive_xmlobj.name)
|
||||
|
||||
elif vm_is_running and not performed_update:
|
||||
print_stdout(
|
||||
_("Changes will take effect after the domain is fully powered off."))
|
||||
|
||||
return 0
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user