Пример #1
0
func (s *setupSuite) TestSetupUndoIdempotent(c *C) {
	// make sure that a retry wouldn't stumble on partial work
	// use a kernel because that does and need to do strictly more

	// this cannot check systemd own behavior though around mounts!

	bootloader := boottest.NewMockBootloader("mock", c.MkDir())
	partition.ForceBootloader(bootloader)
	// we don't get real mounting
	os.Setenv("SNAPPY_SQUASHFS_UNPACK_FOR_TESTS", "1")
	defer os.Unsetenv("SNAPPY_SQUASHFS_UNPACK_FOR_TESTS")

	testFiles := [][]string{
		{"kernel.img", "kernel"},
		{"initrd.img", "initrd"},
		{"modules/4.4.0-14-generic/foo.ko", "a module"},
		{"firmware/bar.bin", "some firmware"},
		{"meta/kernel.yaml", "version: 4.2"},
	}
	snapPath := snaptest.MakeTestSnapWithFiles(c, `name: kernel
version: 1.0
type: kernel
`, testFiles)

	si := snap.SideInfo{
		RealName: "kernel",
		Revision: snap.R(140),
	}

	err := s.be.SetupSnap(snapPath, &si, &s.nullProgress)
	c.Assert(err, IsNil)

	minInfo := snap.MinimalPlaceInfo("kernel", snap.R(140))

	err = s.be.UndoSetupSnap(minInfo, "kernel", &s.nullProgress)
	c.Assert(err, IsNil)

	// retry run
	err = s.be.UndoSetupSnap(minInfo, "kernel", &s.nullProgress)
	c.Assert(err, IsNil)

	// sanity checks
	l, _ := filepath.Glob(filepath.Join(dirs.SnapServicesDir, "*.mount"))
	c.Assert(l, HasLen, 0)
	c.Assert(osutil.FileExists(minInfo.MountDir()), Equals, false)

	c.Assert(osutil.FileExists(minInfo.MountFile()), Equals, false)

	l, _ = filepath.Glob(filepath.Join(bootloader.Dir(), "*"))
	c.Assert(l, HasLen, 0)
}
Пример #2
0
func (s *setupSuite) TestSetupDoUndoKernelUboot(c *C) {
	bootloader := boottest.NewMockBootloader("mock", c.MkDir())
	partition.ForceBootloader(bootloader)
	// we don't get real mounting
	os.Setenv("SNAPPY_SQUASHFS_UNPACK_FOR_TESTS", "1")
	defer os.Unsetenv("SNAPPY_SQUASHFS_UNPACK_FOR_TESTS")

	testFiles := [][]string{
		{"kernel.img", "kernel"},
		{"initrd.img", "initrd"},
		{"modules/4.4.0-14-generic/foo.ko", "a module"},
		{"firmware/bar.bin", "some firmware"},
		{"meta/kernel.yaml", "version: 4.2"},
	}
	snapPath := snaptest.MakeTestSnapWithFiles(c, `name: kernel
version: 1.0
type: kernel
`, testFiles)

	si := snap.SideInfo{
		RealName: "kernel",
		Revision: snap.R(140),
	}

	err := s.be.SetupSnap(snapPath, &si, &s.nullProgress)
	c.Assert(err, IsNil)
	l, _ := filepath.Glob(filepath.Join(bootloader.Dir(), "*"))
	c.Assert(l, HasLen, 1)

	minInfo := snap.MinimalPlaceInfo("kernel", snap.R(140))

	// undo deletes the kernel assets again
	err = s.be.UndoSetupSnap(minInfo, "kernel", &s.nullProgress)
	c.Assert(err, IsNil)

	l, _ = filepath.Glob(filepath.Join(bootloader.Dir(), "*"))
	c.Assert(l, HasLen, 0)
}
Пример #3
0
func copySnap(snapName, targetDir string) (*info, error) {
	baseDir := filepath.Join(dirs.SnapMountDir, snapName)
	if _, err := os.Stat(baseDir); err != nil {
		return nil, err
	}
	sourceDir := filepath.Join(baseDir, "current")
	files, err := filepath.Glob(filepath.Join(sourceDir, "*"))
	if err != nil {
		return nil, err
	}

	revnoDir, err := filepath.EvalSymlinks(sourceDir)
	if err != nil {
		return nil, err
	}
	origRevision := filepath.Base(revnoDir)

	for _, m := range files {
		if err = exec.Command("sudo", "cp", "-a", m, targetDir).Run(); err != nil {
			return nil, err

		}
	}

	rev, err := snap.ParseRevision(origRevision)
	if err != nil {
		return nil, err
	}

	place := snap.MinimalPlaceInfo(snapName, rev)
	origDigest, origSize, err := asserts.SnapFileSHA3_384(place.MountFile())
	if err != nil {
		return nil, err
	}

	return &info{revision: origRevision, size: origSize, digest: origDigest}, nil
}
Пример #4
0
func (s *setupSuite) TestSetupDoUndoSimple(c *C) {
	snapPath := makeTestSnap(c, helloYaml1)

	si := snap.SideInfo{
		RealName: "hello",
		Revision: snap.R(14),
	}

	err := s.be.SetupSnap(snapPath, &si, &s.nullProgress)
	c.Assert(err, IsNil)

	// after setup the snap file is in the right dir
	c.Assert(osutil.FileExists(filepath.Join(dirs.SnapBlobDir, "hello_14.snap")), Equals, true)

	// ensure the right unit is created
	mup := systemd.MountUnitPath("/snap/hello/14", "mount")
	content, err := ioutil.ReadFile(mup)
	c.Assert(err, IsNil)
	c.Assert(string(content), Matches, "(?ms).*^Where=/snap/hello/14")
	c.Assert(string(content), Matches, "(?ms).*^What=/var/lib/snapd/snaps/hello_14.snap")

	minInfo := snap.MinimalPlaceInfo("hello", snap.R(14))
	// mount dir was created
	c.Assert(osutil.FileExists(minInfo.MountDir()), Equals, true)

	// undo undoes the mount unit and the instdir creation
	err = s.be.UndoSetupSnap(minInfo, "app", &s.nullProgress)
	c.Assert(err, IsNil)

	l, _ := filepath.Glob(filepath.Join(dirs.SnapServicesDir, "*.mount"))
	c.Assert(l, HasLen, 0)
	c.Assert(osutil.FileExists(minInfo.MountDir()), Equals, false)

	c.Assert(osutil.FileExists(minInfo.MountFile()), Equals, false)

}
Пример #5
0
func (ss *SnapSetup) placeInfo() snap.PlaceInfo {
	return snap.MinimalPlaceInfo(ss.Name(), ss.Revision())
}
Пример #6
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func (snapsup *SnapSetup) placeInfo() snap.PlaceInfo {
	return snap.MinimalPlaceInfo(snapsup.Name(), snapsup.Revision())
}