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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2020 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
package builtin_test
import (
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/apparmor"
"github.com/snapcore/snapd/interfaces/builtin"
"github.com/snapcore/snapd/interfaces/kmod"
"github.com/snapcore/snapd/interfaces/seccomp"
"github.com/snapcore/snapd/interfaces/udev"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/testutil"
)
type microStackSupportInterfaceSuite struct {
iface interfaces.Interface
slotInfo *snap.SlotInfo
slot *interfaces.ConnectedSlot
plugInfo *snap.PlugInfo
plug *interfaces.ConnectedPlug
}
const microStackSupportMockPlugSnapInfoYaml = `name: microstack
version: 1.0
apps:
app:
command: foo
plugs: [microstack-support]
`
const microstackSupportCoreYaml = `name: core
version: 0
type: os
slots:
microstack-support:
`
var _ = Suite(µStackSupportInterfaceSuite{
iface: builtin.MustInterface("microstack-support"),
})
func (s *microStackSupportInterfaceSuite) SetUpTest(c *C) {
s.slot, s.slotInfo = MockConnectedSlot(c, microstackSupportCoreYaml, nil, "microstack-support")
s.plug, s.plugInfo = MockConnectedPlug(c, microStackSupportMockPlugSnapInfoYaml, nil, "microstack-support")
}
func (s *microStackSupportInterfaceSuite) TestName(c *C) {
c.Assert(s.iface.Name(), Equals, "microstack-support")
}
func (s *microStackSupportInterfaceSuite) TestUsedSecuritySystems(c *C) {
// connected plugs have a non-nil security snippet for apparmor
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), HasLen, 1)
// connected plugs have a non-nil security snippet for seccomp
appSet, err = interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
err = seccompSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(seccompSpec.Snippets(), HasLen, 1)
}
func (s *microStackSupportInterfaceSuite) TestConnectedPlugSnippet(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.microstack.app"})
c.Assert(apparmorSpec.SnippetForTag("snap.microstack.app"), testutil.Contains, "/dev/vhost-net rw,\n")
c.Assert(apparmorSpec.SnippetForTag("snap.microstack.app"), testutil.Contains, "/dev/microstack-*/{,**} rw,\n")
c.Assert(apparmorSpec.SnippetForTag("snap.microstack.app"), testutil.Contains, "unmount /run/netns/ovnmeta-*,\n")
appSet, err = interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
err = seccompSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.microstack.app"})
c.Check(seccompSpec.SnippetForTag("snap.microstack.app"), testutil.Contains, "mknod - |S_IFBLK -\nmknodat - - |S_IFBLK -")
}
func (s *microStackSupportInterfaceSuite) TestSanitizeSlot(c *C) {
c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil)
}
func (s *microStackSupportInterfaceSuite) TestSanitizePlug(c *C) {
c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
}
func (s *microStackSupportInterfaceSuite) TestKModConnectedPlug(c *C) {
spec := &kmod.Specification{}
err := spec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(spec.Modules(), DeepEquals, map[string]bool{
"vhost": true,
"vhost-net": true,
"vhost-scsi": true,
"vhost-vsock": true,
"pci-stub": true,
"vfio": true,
"vfio-pci": true,
"nbd": true,
"dm-mod": true,
"dm-thin-pool": true,
"dm-snapshot": true,
"iscsi-tcp": true,
"target-core-mod": true,
})
}
func (s *microStackSupportInterfaceSuite) TestUDevConnectedPlug(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
spec := udev.NewSpecification(appSet)
// no udev specs because the interface controls it's own device cgroups
err = spec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(spec.Snippets(), HasLen, 0)
}
func (s *microStackSupportInterfaceSuite) TestServicePermanentPlugSnippets(c *C) {
snips, err := interfaces.PermanentPlugServiceSnippets(s.iface, s.plugInfo)
c.Assert(err, IsNil)
c.Check(snips, DeepEquals, []interfaces.PlugServicesSnippet{interfaces.PlugServicesServiceSectionSnippet("Delegate=true")})
}
func (s *microStackSupportInterfaceSuite) TestInterfaces(c *C) {
c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
}
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