func (s *SquashfsTestSuite) TestInstallFailUnmountsSnap(c *C) {
snapPkg := makeTestSnapPackage(c, `name: hello
version: 1.10
apps:
some-binary:
command: some-binary
uses: [some-binary]
uses:
some-binary:
type: migration-skill
security-template: not-there
`)
// install but our missing security-template will break the install
_, err := (&Overlord{}).Install(snapPkg, "origin", 0, &MockProgressMeter{})
c.Assert(err, ErrorMatches, "could not find specified template: not-there.*")
// ensure the mount unit is not there
mup := systemd.MountUnitPath("/snaps/hello.origin/1.10", "mount")
c.Assert(helpers.FileExists(mup), Equals, false)
// ensure that the mount gets unmounted and stopped
c.Assert(s.systemdCmds, DeepEquals, [][]string{
{"start", "snaps-hello.origin-1.10.mount"},
{"--root", dirs.GlobalRootDir, "disable", "snaps-hello.origin-1.10.mount"},
{"stop", "snaps-hello.origin-1.10.mount"},
{"show", "--property=ActiveState", "snaps-hello.origin-1.10.mount"},
})
}
func (s *SquashfsTestSuite) TestInstallFailUnmountsSnap(c *C) {
c.Skip("no easy path to this kind of late verification failure now!")
snapPkg := makeTestSnapPackage(c, `name: hello
version: 1.10
apps:
some-binary:
command: some-binary
plugs: [some-binary]
plugs:
some-binary:
interface: old-security
security-template: not-there
`)
// install but our missing security-template will break the install
// revision will be 0
_, err := (&Overlord{}).Install(snapPkg, 0, &MockProgressMeter{})
c.Assert(err, ErrorMatches, "could not find specified template: not-there.*")
// ensure the mount unit is not there
mup := systemd.MountUnitPath("/snap/hello/1.10", "mount")
c.Assert(osutil.FileExists(mup), Equals, false)
// ensure that the mount gets unmounted and stopped
c.Assert(s.systemdCmds, DeepEquals, [][]string{
{"start", "snap-hello-0.mount"},
{"--root", dirs.GlobalRootDir, "disable", "snap-hello-0.mount"},
{"stop", "snap-hello-0.mount"},
{"show", "--property=ActiveState", "snap-hello-0.mount"},
})
}
func (s *SquashfsTestSuite) TestInstallViaSquashfsWorks(c *C) {
snapPkg := makeTestSnapPackage(c, packageHello)
_, err := (&Overlord{}).Install(snapPkg, "origin", 0, &MockProgressMeter{})
c.Assert(err, IsNil)
// after install the blob is in the right dir
c.Assert(helpers.FileExists(filepath.Join(dirs.SnapBlobDir, "hello-app.origin_1.10.snap")), Equals, true)
// ensure the right unit is created
mup := systemd.MountUnitPath("/snaps/hello-app.origin/1.10", "mount")
content, err := ioutil.ReadFile(mup)
c.Assert(err, IsNil)
c.Assert(string(content), Matches, "(?ms).*^Where=/snaps/hello-app.origin/1.10")
c.Assert(string(content), Matches, "(?ms).*^What=/var/lib/snappy/snaps/hello-app.origin_1.10.snap")
}
func (m *packageYaml) removeSquashfsMount(baseDir string, inter interacter) error {
sysd := systemd.New(dirs.GlobalRootDir, inter)
unit := systemd.MountUnitPath(stripGlobalRootDir(baseDir), "mount")
if helpers.FileExists(unit) {
// we ignore errors, nothing should stop removals
if err := sysd.Disable(filepath.Base(unit)); err != nil {
logger.Noticef("Failed to disable %q: %s, but continuing anyway.", unit, err)
}
if err := sysd.Stop(filepath.Base(unit), time.Duration(1*time.Second)); err != nil {
logger.Noticef("Failed to stop %q: %s, but continuing anyway.", unit, err)
}
if err := os.Remove(unit); err != nil {
return err
}
}
return nil
}
func (s *SquashfsTestSuite) TestInstallViaSquashfsWorks(c *C) {
snapPkg := makeTestSnapPackage(c, packageHello)
si := &snap.SideInfo{
OfficialName: "hello-snap",
Revision: 16,
}
_, err := (&Overlord{}).InstallWithSideInfo(snapPkg, si, 0, &MockProgressMeter{})
c.Assert(err, IsNil)
// after install the blob is in the right dir
c.Assert(osutil.FileExists(filepath.Join(dirs.SnapBlobDir, "hello-snap_16.snap")), Equals, true)
// ensure the right unit is created
mup := systemd.MountUnitPath("/snap/hello-snap/16", "mount")
content, err := ioutil.ReadFile(mup)
c.Assert(err, IsNil)
c.Assert(string(content), Matches, "(?ms).*^Where=/snap/hello-snap/16")
c.Assert(string(content), Matches, "(?ms).*^What=/var/lib/snapd/snaps/hello-snap_16.snap")
}