Beispiel #1
0
// allLocalSnapInfos returns the information about the all current snaps and their SnapStates.
func allLocalSnapInfos(st *state.State) ([]aboutSnap, error) {
	st.Lock()
	defer st.Unlock()

	snapStates, err := snapstate.All(st)
	if err != nil {
		return nil, err
	}

	about := make([]aboutSnap, 0, len(snapStates))

	var firstErr error
	for name, snapState := range snapStates {
		info, err := snap.ReadInfo(name, snapState.Current())
		if err != nil {
			// XXX: aggregate instead?
			if firstErr == nil {
				firstErr = err
			}
			continue
		}
		about = append(about, aboutSnap{info, snapState})
	}

	return about, firstErr
}
Beispiel #2
0
func (s *snapmgrQuerySuite) TestAll(c *C) {
	st := s.st
	st.Lock()
	defer st.Unlock()

	snapStates, err := snapstate.All(st)
	c.Assert(err, IsNil)

	c.Check(snapStates, HasLen, 1)

	var snapst *snapstate.SnapState

	for name, sst := range snapStates {
		c.Assert(name, Equals, "name1")
		snapst = sst
	}

	c.Check(snapst.Active, Equals, true)
	c.Check(snapst.Current(), NotNil)

	info12, err := snap.ReadInfo("name1", snapst.Current())
	c.Assert(err, IsNil)

	c.Check(info12.Name(), Equals, "name1")
	c.Check(info12.Revision, Equals, 12)
	c.Check(info12.Summary(), Equals, "s12")
	c.Check(info12.Version, Equals, "1.2")
	c.Check(info12.Description(), Equals, "Lots of text")

	info11, err := snap.ReadInfo("name1", snapst.Sequence[0])
	c.Assert(err, IsNil)

	c.Check(info11.Name(), Equals, "name1")
	c.Check(info11.Revision, Equals, 11)
	c.Check(info11.Version, Equals, "1.1")
}
Beispiel #3
0
// localSnapInfo returns the information about the current snap for the given name plus the SnapState with the active flag and other snap revisions.
func localSnapInfo(st *state.State, name string) (info *snap.Info, active bool, err error) {
	st.Lock()
	defer st.Unlock()

	var snapst snapstate.SnapState
	err = snapstate.Get(st, name, &snapst)
	if err != nil && err != state.ErrNoState {
		return nil, false, fmt.Errorf("cannot consult state: %v", err)
	}

	cur := snapst.Current()
	if cur == nil {
		return nil, false, nil
	}

	info, err = snap.ReadInfo(name, cur)
	if err != nil {
		return nil, false, fmt.Errorf("cannot read snap details: %v", err)
	}

	return info, snapst.Active, nil
}