https://bugzilla.redhat.com/show_bug.cgi?id=954187 If someone use a custom unit file for the sandbox, the rpm autodetection fail with a exception. Now, this will show a error message, asking to use --package and use this rpm if autodetection fail. --- bin/virt-sandbox-service | 46 +++++++++++++++++++++++++++++++++---- bin/virt-sandbox-service-create.pod | 6 ++++- 2 files changed, 46 insertions(+), 6 deletions(-) diff --git a/bin/virt-sandbox-service b/bin/virt-sandbox-service index 3b78512..2096be1 100755 --- a/bin/virt-sandbox-service +++ b/bin/virt-sandbox-service @@ -363,10 +363,11 @@ class SystemdContainer(Container): DEFAULT_UNIT = "/etc/systemd/system/%s_sandbox.service" - def __init__(self, name=None, uri = "lxc:///", path = Container.DEFAULT_PATH, config=None, create=False): + def __init__(self, name=None, uri = "lxc:///", path = Container.DEFAULT_PATH, config=None, create=False, rpm=None): Container.__init__(self, name, uri, path, config, create) self.copy = False self.unit_file_list = [] + self.rpm = rpm if create: self.config = LibvirtSandbox.ConfigServiceSystemd.new(name) else: @@ -496,8 +497,18 @@ WantedBy=%(TARGET)s self.ts = rpm.ts() + nb_rpm = 0 for u, src in self.unit_file_list: - self.extract_rpm_for_unit(src) + rpm_name = self.get_rpm_for_unit(src) + if rpm_name: + self.extract_rpm(rpm_name) + nb_rpm += 1 + + if nb_rpm == 0: + if self.rpm: + self.extract_rpm(self.rpm) + else: + raise ValueError([_("Cannot autodetect the package for unit files, please use --package")]) def split_filename(self, filename): if filename[-4:] == '.rpm': @@ -521,12 +532,21 @@ WantedBy=%(TARGET)s name = filename[epochIndex + 1:verIndex] return name, ver, rel, epoch, arch - def extract_rpm_for_unit(self, unitfile): + def get_rpm_for_unit(self, unitfile): mi = self.ts.dbMatch(rpm.RPMTAG_BASENAMES, unitfile) try: h = mi.next(); except exceptions.StopIteration: - raise ValueError([_("Cannot find package containing %s") % unitfile]) + return None + return h['name'] + + + def extract_rpm(self, rpm_name): + mi = self.ts.dbMatch('name', rpm_name) + try: + h = mi.next(); + except exceptions.StopIteration: + raise ValueError([_("Cannot find package named %s") % rpm_name]) for fentry in h.fiFromHeader(): fname = fentry[0] @@ -765,11 +785,14 @@ def create(args): if len(args.command) == 0 and len(args.unitfiles) == 0: raise ValueError([_("You must specify a command or a unit file")]) + if args.package and len(args.unitfiles) != 1: + raise ValueError([_("Option --package cannot be used without a unit file")]) + if len(args.command) > 0: container = GenericContainer(name = args.name, uri=args.uri, create = True) container.set_command(args.command) else: - container = SystemdContainer(name = args.name, uri=args.uri, create = True) + container = SystemdContainer(name = args.name, uri=args.uri, create = True, rpm = args.package) container.set_copy(args.copy) container.set_unit_file_list(args.unitfiles) for net in args.network: @@ -972,6 +995,15 @@ class SetNet(argparse.Action): nets = [values] setattr(namespace, self.dest, nets) +class CheckRpm(argparse.Action): + def __call__(self, parser, namespace, value, option_string=None): + nb_rpm = len(rpm.TransactionSet().dbMatch('name', value)) + if nb_rpm == 0: + raise OSError(_("Cannot find %s rpm") % value) + elif nb_rpm > 1: + raise OSError(_("%s rpm is installed more than once") % value) + setattr(namespace, self.dest, value) + def requires_name(parser): parser.add_argument("name", help=_("name of the sandbox container")) @@ -1015,6 +1047,10 @@ def gen_create_args(subparser): action=CheckUnit, dest="unitfiles", default=[], help=_("Systemd Unit file to run within the systemd sandbox container. Commands cannot be specified with unit files.")) + parser.add_argument("-P", "--package", + action=CheckRpm, + dest="package", default=None, + help=_("Package configuration to use in the container. Default: autodetected from unit files, unless if using a custom unit file.")) parser.add_argument("--username", dest="username", help=_("Specify the username for the container. Default: UID username.")) parser.add_argument("-U", "--uid", dest="uid", diff --git a/bin/virt-sandbox-service-create.pod b/bin/virt-sandbox-service-create.pod index bea6504..ee8cffc 100644 --- a/bin/virt-sandbox-service-create.pod +++ b/bin/virt-sandbox-service-create.pod @@ -8,7 +8,7 @@ virt-sandbox-service create - Create a Security container [--homedir HOMEDIR] [-G GID] [-i IMAGESIZE] [-N NETWORK] [-p PATH] [-s SECURITY] [-u UNITFILES] [--username USERNAME] - [-U UID] + [-U UID] [-P package] name [command [command ...]] =head1 DESCRIPTION @@ -146,6 +146,10 @@ Create file system image file of this size to store container content. systemd Unit file to run within the container +=item B<-P PACKAGE>, B<--package PACKAGE> + +Package used to populate the container if not autodetected based on unit file. + =item B<-U UID>, B<--uid UID> Set uid to use within container. -- 1.8.2.1