func main() {
cmd.ExecInCoreSnap()
// magic \o/
snapApp := filepath.Base(os.Args[0])
if osutil.IsSymlink(filepath.Join(dirs.SnapBinariesDir, snapApp)) {
cmd := &cmdRun{}
args := []string{snapApp}
args = append(args, os.Args[1:]...)
// this will call syscall.Exec() so it does not return
// *unless* there is an error, i.e. we setup a wrong
// symlink (or syscall.Exec() fails for strange reasons)
err := cmd.Execute(args)
fmt.Fprintf(Stderr, i18n.G("internal error, please report: running %q failed: %v\n"), snapApp, err)
os.Exit(46)
}
defer func() {
if v := recover(); v != nil {
if e, ok := v.(*exitStatus); ok {
os.Exit(e.code)
}
panic(v)
}
}()
// no magic /o\
if err := run(); err != nil {
fmt.Fprintf(Stderr, i18n.G("error: %v\n"), err)
os.Exit(1)
}
}
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 (ms *mgrsSuite) TestHappyAlias(c *C) {
st := ms.o.State()
st.Lock()
defer st.Unlock()
fooYaml := `name: foo
version: 1.0
apps:
foo:
command: bin/foo
aliases: [foo_]
bar:
command: bin/bar
aliases: [bar,bar1]
`
ms.installLocalTestSnap(c, fooYaml)
ts, err := snapstate.Alias(st, "foo", []string{"foo_", "bar", "bar1"})
c.Assert(err, IsNil)
chg := st.NewChange("alias", "...")
chg.AddAll(ts)
st.Unlock()
err = ms.o.Settle()
st.Lock()
c.Assert(err, IsNil)
c.Assert(chg.Err(), IsNil)
c.Assert(chg.Status(), Equals, state.DoneStatus, Commentf("alias change failed with: %v", chg.Err()))
foo_Alias := filepath.Join(dirs.SnapBinariesDir, "foo_")
dest, err := os.Readlink(foo_Alias)
c.Assert(err, IsNil)
c.Check(dest, Equals, "foo")
barAlias := filepath.Join(dirs.SnapBinariesDir, "bar")
dest, err = os.Readlink(barAlias)
c.Assert(err, IsNil)
c.Check(dest, Equals, "foo.bar")
bar1Alias := filepath.Join(dirs.SnapBinariesDir, "bar1")
dest, err = os.Readlink(bar1Alias)
c.Assert(err, IsNil)
c.Check(dest, Equals, "foo.bar")
var allAliases map[string]map[string]string
err = st.Get("aliases", &allAliases)
c.Assert(err, IsNil)
c.Check(allAliases, DeepEquals, map[string]map[string]string{
"foo": {
"foo_": "enabled",
"bar": "enabled",
"bar1": "enabled",
},
})
ms.removeSnap(c, "foo")
c.Check(osutil.IsSymlink(foo_Alias), Equals, false)
c.Check(osutil.IsSymlink(barAlias), Equals, false)
c.Check(osutil.IsSymlink(bar1Alias), Equals, false)
allAliases = nil
err = st.Get("aliases", &allAliases)
c.Assert(err, IsNil)
c.Check(allAliases, HasLen, 0)
}
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")
}
func (ms *mgrsSuite) TestHappyRemoteInstallAndUpdateAutoAliases(c *C) {
ms.prereqSnapAssertions(c, map[string]interface{}{
"snap-name": "foo",
"auto-aliases": []interface{}{"app1"},
})
fooYaml := `name: foo
version: @VERSION@
apps:
app1:
command: bin/app1
aliases: [app1]
app2:
command: bin/app2
aliases: [app2]
`
fooPath, _ := ms.makeStoreTestSnap(c, strings.Replace(fooYaml, "@VERSION@", "1.0", -1), "10")
ms.serveSnap(fooPath, "10")
mockServer := ms.mockStore(c)
defer mockServer.Close()
st := ms.o.State()
st.Lock()
defer st.Unlock()
ts, err := snapstate.Install(st, "foo", "stable", snap.R(0), 0, snapstate.Flags{})
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(10))
c.Check(info.Version, Equals, "1.0")
var allAliases map[string]map[string]string
err = st.Get("aliases", &allAliases)
c.Check(err, IsNil)
c.Check(allAliases, DeepEquals, map[string]map[string]string{
"foo": {
"app1": "auto",
},
})
app1Alias := filepath.Join(dirs.SnapBinariesDir, "app1")
dest, err := os.Readlink(app1Alias)
c.Assert(err, IsNil)
c.Check(dest, Equals, "foo.app1")
ms.prereqSnapAssertions(c, map[string]interface{}{
"snap-name": "foo",
"auto-aliases": []interface{}{"app2"},
"revision": "1",
})
// new foo version/revision
fooPath, _ = ms.makeStoreTestSnap(c, strings.Replace(fooYaml, "@VERSION@", "1.5", -1), "15")
ms.serveSnap(fooPath, "15")
// refresh all
updated, tss, err := snapstate.UpdateMany(st, nil, 0)
c.Assert(err, IsNil)
c.Assert(updated, DeepEquals, []string{"foo"})
c.Assert(tss, HasLen, 1)
chg = st.NewChange("upgrade-snaps", "...")
chg.AddAll(tss[0])
st.Unlock()
err = ms.o.Settle()
st.Lock()
c.Assert(err, IsNil)
c.Assert(chg.Status(), Equals, state.DoneStatus, Commentf("upgrade-snap change failed with: %v", chg.Err()))
info, err = snapstate.CurrentInfo(st, "foo")
c.Assert(err, IsNil)
c.Check(info.Revision, Equals, snap.R(15))
c.Check(info.Version, Equals, "1.5")
allAliases = nil
err = st.Get("aliases", &allAliases)
c.Check(err, IsNil)
c.Check(allAliases, DeepEquals, map[string]map[string]string{
"foo": {
"app2": "auto",
},
})
c.Check(osutil.IsSymlink(app1Alias), Equals, false)
app2Alias := filepath.Join(dirs.SnapBinariesDir, "app2")
dest, err = os.Readlink(app2Alias)
c.Assert(err, IsNil)
c.Check(dest, Equals, "foo.app2")
}