func (ms *mgrsSuite) TestHappyLocalInstall(c *C) {
snapYamlContent := `name: foo
apps:
bar:
command: bin/bar
`
snapPath := makeTestSnap(c, snapYamlContent+"version: 1.0")
st := ms.o.State()
st.Lock()
defer st.Unlock()
ts, err := snapstate.InstallPath(st, &snap.SideInfo{RealName: "foo"}, snapPath, "", snapstate.Flags{DevMode: true})
c.Assert(err, IsNil)
chg := st.NewChange("install-snap", "...")
chg.AddAll(ts)
st.Unlock()
err = ms.o.Settle()
st.Lock()
c.Assert(err, IsNil)
c.Assert(chg.Status(), Equals, state.DoneStatus, Commentf("install-snap change failed with: %v", chg.Err()))
snap, err := snapstate.CurrentInfo(st, "foo")
c.Assert(err, IsNil)
// ensure that the binary wrapper file got generated with the right
// name
binaryWrapper := filepath.Join(dirs.SnapBinariesDir, "foo.bar")
c.Assert(osutil.IsSymlink(binaryWrapper), Equals, true)
// data dirs
c.Assert(osutil.IsDirectory(snap.DataDir()), Equals, true)
c.Assert(osutil.IsDirectory(snap.CommonDataDir()), Equals, true)
// snap file and its mounting
// after install the snap file is in the right dir
c.Assert(osutil.FileExists(filepath.Join(dirs.SnapBlobDir, "foo_x1.snap")), Equals, true)
// ensure the right unit is created
mup := systemd.MountUnitPath("/snap/foo/x1")
content, err := ioutil.ReadFile(mup)
c.Assert(err, IsNil)
c.Assert(string(content), Matches, "(?ms).*^Where=/snap/foo/x1")
c.Assert(string(content), Matches, "(?ms).*^What=/var/lib/snapd/snaps/foo_x1.snap")
}
func (s *systemd) WriteMountUnitFile(name, what, where, fstype string) (string, error) {
extra := ""
if osutil.IsDirectory(what) {
extra = "Options=bind\n"
fstype = "none"
}
if fstype == "squashfs" && useFuse() {
fstype = "fuse.squashfuse"
}
c := fmt.Sprintf(`[Unit]
Description=Mount unit for %s
[Mount]
What=%s
Where=%s
Type=%s
%s
[Install]
WantedBy=multi-user.target
`, name, what, where, fstype, extra)
mu := MountUnitPath(where)
return filepath.Base(mu), osutil.AtomicWriteFile(mu, []byte(c), 0644, 0)
}
func loadState(backend state.Backend) (*state.State, error) {
if !osutil.FileExists(dirs.SnapStateFile) {
// fail fast, mostly interesting for tests, this dir is setup
// by the snapd package
stateDir := filepath.Dir(dirs.SnapStateFile)
if !osutil.IsDirectory(stateDir) {
return nil, fmt.Errorf("fatal: directory %q must be present", stateDir)
}
s := state.New(backend)
patch.Init(s)
return s, nil
}
r, err := os.Open(dirs.SnapStateFile)
if err != nil {
return nil, fmt.Errorf("cannot read the state file: %s", err)
}
defer r.Close()
s, err := state.ReadState(backend, r)
if err != nil {
return nil, err
}
// one-shot migrations
err = patch.Apply(s)
if err != nil {
return nil, err
}
return s, nil
}
func trySnap(c *Command, r *http.Request, user *auth.UserState, trydir string, flags snapstate.Flags) Response {
st := c.d.overlord.State()
st.Lock()
defer st.Unlock()
if !filepath.IsAbs(trydir) {
return BadRequest("cannot try %q: need an absolute path", trydir)
}
if !osutil.IsDirectory(trydir) {
return BadRequest("cannot try %q: not a snap directory", trydir)
}
// the developer asked us to do this with a trusted snap dir
info, err := unsafeReadSnapInfo(trydir)
if err != nil {
return BadRequest("cannot read snap info for %s: %s", trydir, err)
}
tsets, err := snapstateTryPath(st, info.Name(), trydir, flags)
if err != nil {
return BadRequest("cannot try %s: %s", trydir, err)
}
msg := fmt.Sprintf(i18n.G("Try %q snap from %q"), info.Name(), trydir)
chg := newChange(st, "try-snap", msg, []*state.TaskSet{tsets}, []string{info.Name()})
chg.Set("api-data", map[string]string{"snap-name": info.Name()})
ensureStateSoon(st)
return AsyncResponse(nil, &Meta{Change: chg.ID()})
}
func norm(path string) string {
path = filepath.Clean(path)
if osutil.IsDirectory(path) {
path = path + "/"
}
return path
}
// addImplicitHooks adds hooks from the installed snap's hookdir to the snap info.
//
// Existing hooks (i.e. ones defined in the YAML) are not changed; only missing
// hooks are added.
func addImplicitHooks(snapInfo *Info) error {
// First of all, check to ensure the hooks directory exists. If it doesn't,
// it's not an error-- there's just nothing to do.
hooksDir := snapInfo.HooksDir()
if !osutil.IsDirectory(hooksDir) {
return nil
}
fileInfos, err := ioutil.ReadDir(hooksDir)
if err != nil {
return fmt.Errorf("unable to read hooks directory: %s", err)
}
for _, fileInfo := range fileInfos {
addHookIfValid(snapInfo, fileInfo.Name())
}
return nil
}
func (x *cmdTry) Execute([]string) error {
if err := x.validateMode(); err != nil {
return err
}
cli := Client()
name := x.Positional.SnapDir
opts := &client.SnapOptions{
DevMode: x.DevMode,
JailMode: x.JailMode,
}
if name == "" {
if osutil.FileExists("snapcraft.yaml") && osutil.IsDirectory("prime") {
name = "prime"
} else {
if osutil.FileExists("meta/snap.yaml") {
name = "./"
}
}
if name == "" {
return fmt.Errorf(i18n.G("error: the `<snap-dir>` argument was not provided and couldn't be inferred"))
}
}
path, err := filepath.Abs(name)
if err != nil {
// TRANSLATORS: %q gets what the user entered, %v gets the resulting error message
return fmt.Errorf(i18n.G("cannot get full path for %q: %v"), name, err)
}
changeID, err := cli.Try(path, opts)
if err != nil {
return err
}
chg, err := wait(cli, changeID)
if err != nil {
return err
}
// extract the snap name
var snapName string
if err := chg.Get("snap-name", &snapName); err != nil {
// TRANSLATORS: %q gets the snap name, %v gets the resulting error message
return fmt.Errorf(i18n.G("cannot extract the snap-name from local file %q: %v"), name, err)
}
name = snapName
// show output as speced
snaps, err := cli.List([]string{name}, nil)
if err != nil {
return err
}
if len(snaps) != 1 {
// TRANSLATORS: %q gets the snap name, %v the list of things found when trying to list it
return fmt.Errorf(i18n.G("cannot get data for %q: %v"), name, snaps)
}
snap := snaps[0]
// TRANSLATORS: 1. snap name, 2. snap version (keep those together please). the 3rd %s is a path (where it's mounted from).
fmt.Fprintf(Stdout, i18n.G("%s %s mounted from %s\n"), name, snap.Version, path)
return nil
}
func (ms *mgrsSuite) TestHappyLocalInstallWithStoreMetadata(c *C) {
snapDecl := ms.prereqSnapAssertions(c)
snapYamlContent := `name: foo
apps:
bar:
command: bin/bar
`
snapPath := makeTestSnap(c, snapYamlContent+"version: 1.5")
si := &snap.SideInfo{
RealName: "foo",
SnapID: fooSnapID,
Revision: snap.R(55),
DeveloperID: "devdevdevID",
Developer: "devdevdev",
}
st := ms.o.State()
st.Lock()
defer st.Unlock()
// have the snap-declaration in the system db
err := assertstate.Add(st, ms.storeSigning.StoreAccountKey(""))
c.Assert(err, IsNil)
err = assertstate.Add(st, ms.devAcct)
c.Assert(err, IsNil)
err = assertstate.Add(st, snapDecl)
c.Assert(err, IsNil)
ts, err := snapstate.InstallPath(st, si, snapPath, "", snapstate.Flags{DevMode: true})
c.Assert(err, IsNil)
chg := st.NewChange("install-snap", "...")
chg.AddAll(ts)
st.Unlock()
err = ms.o.Settle()
st.Lock()
c.Assert(err, IsNil)
c.Assert(chg.Status(), Equals, state.DoneStatus, Commentf("install-snap change failed with: %v", chg.Err()))
info, err := snapstate.CurrentInfo(st, "foo")
c.Assert(err, IsNil)
c.Check(info.Revision, Equals, snap.R(55))
c.Check(info.SnapID, Equals, fooSnapID)
c.Check(info.DeveloperID, Equals, "devdevdevID")
c.Check(info.Developer, Equals, "devdevdev")
c.Check(info.Version, Equals, "1.5")
// ensure that the binary wrapper file got generated with the right
// name
binaryWrapper := filepath.Join(dirs.SnapBinariesDir, "foo.bar")
c.Assert(osutil.IsSymlink(binaryWrapper), Equals, true)
// data dirs
c.Assert(osutil.IsDirectory(info.DataDir()), Equals, true)
c.Assert(osutil.IsDirectory(info.CommonDataDir()), Equals, true)
// snap file and its mounting
// after install the snap file is in the right dir
c.Assert(osutil.FileExists(filepath.Join(dirs.SnapBlobDir, "foo_55.snap")), Equals, true)
// ensure the right unit is created
mup := systemd.MountUnitPath("/snap/foo/55")
content, err := ioutil.ReadFile(mup)
c.Assert(err, IsNil)
c.Assert(string(content), Matches, "(?ms).*^Where=/snap/foo/55")
c.Assert(string(content), Matches, "(?ms).*^What=/var/lib/snapd/snaps/foo_55.snap")
}
