func (s *SnapTestSuite) TestLocalSnapSimple(c *C) {
snapYaml, err := s.makeInstalledMockSnap()
c.Assert(err, IsNil)
snap, err := NewInstalledSnapPart(snapYaml, testOrigin)
c.Assert(err, IsNil)
c.Assert(snap, NotNil)
c.Check(snap.Name(), Equals, "hello-app")
c.Check(snap.Version(), Equals, "1.10")
c.Check(snap.IsActive(), Equals, false)
c.Check(snap.Description(), Equals, "Hello")
c.Check(snap.IsInstalled(), Equals, true)
services := snap.ServiceYamls()
c.Assert(services, HasLen, 1)
c.Assert(services[0].Name, Equals, "svc1")
// ensure we get valid Date()
st, err := os.Stat(snap.basedir)
c.Assert(err, IsNil)
c.Assert(snap.Date(), Equals, st.ModTime())
c.Assert(snap.basedir, Equals, filepath.Join(s.tempdir, "snaps", helloAppComposedName, "1.10"))
c.Assert(snap.InstalledSize(), Not(Equals), -1)
}
func (s *SnapTestSuite) TestServicesWithPorts(c *C) {
const packageHello = `name: hello-app
version: 1.10
icon: meta/hello.svg
binaries:
- name: bin/hello
services:
- name: svc1
description: "Service #1"
ports:
external:
ui:
port: 8080/tcp
nothing:
port: 8081/tcp
negotiable: yes
- name: svc2
description: "Service #2"
`
yamlFile, err := makeInstalledMockSnap(s.tempdir, packageHello)
c.Assert(err, IsNil)
snap, err := NewInstalledSnapPart(yamlFile, testOrigin)
c.Assert(err, IsNil)
c.Assert(snap, NotNil)
c.Assert(snap.Name(), Equals, "hello-app")
c.Assert(snap.Origin(), Equals, testOrigin)
c.Assert(snap.Version(), Equals, "1.10")
c.Assert(snap.IsActive(), Equals, false)
services := snap.ServiceYamls()
c.Assert(services, HasLen, 2)
c.Assert(services[0].Name, Equals, "svc1")
c.Assert(services[0].Description, Equals, "Service #1")
external1Ui, ok := services[0].Ports.External["ui"]
c.Assert(ok, Equals, true)
c.Assert(external1Ui.Port, Equals, "8080/tcp")
c.Assert(external1Ui.Negotiable, Equals, false)
external1Nothing, ok := services[0].Ports.External["nothing"]
c.Assert(ok, Equals, true)
c.Assert(external1Nothing.Port, Equals, "8081/tcp")
c.Assert(external1Nothing.Negotiable, Equals, true)
c.Assert(services[1].Name, Equals, "svc2")
c.Assert(services[1].Description, Equals, "Service #2")
// ensure we get valid Date()
st, err := os.Stat(snap.basedir)
c.Assert(err, IsNil)
c.Assert(snap.Date(), Equals, st.ModTime())
c.Assert(snap.basedir, Equals, filepath.Join(s.tempdir, "snaps", helloAppComposedName, "1.10"))
c.Assert(snap.InstalledSize(), Not(Equals), -1)
}
func (s *SnapTestSuite) TestLocalSnapActive(c *C) {
snapYaml, err := s.makeInstalledMockSnap()
c.Assert(err, IsNil)
makeSnapActive(snapYaml)
snap, err := NewInstalledSnapPart(snapYaml, testOrigin)
c.Assert(err, IsNil)
c.Assert(snap.IsActive(), Equals, true)
}
// ActiveSnapByName returns all active snaps with the given name
func ActiveSnapByName(needle string) *Snap {
installed, err := (&Overlord{}).Installed()
if err != nil {
return nil
}
for _, snap := range installed {
if !snap.IsActive() {
continue
}
if snap.Name() == needle {
return snap
}
}
return nil
}
// GarbageCollect removes all versions two older than the current active
// version, as long as NeedsReboot() is false on all the versions found, and
// DoInstallGC is set.
func GarbageCollect(name string, flags InstallFlags, pb progress.Meter) error {
var snaps BySnapVersion
if (flags & DoInstallGC) == 0 {
return nil
}
installed, err := (&Overlord{}).Installed()
if err != nil {
return err
}
snaps = FindSnapsByName(name, installed)
if len(snaps) < 3 {
// not enough things installed to do gc
return nil
}
// FIXME: sort by revision sequence
sort.Sort(snaps)
active := -1 // active is the index of the active snap in snaps (-1 if no active snap)
for i, snap := range snaps {
if snap.IsActive() {
if active > -1 {
return ErrGarbageCollectImpossible("more than one active (should not happen).")
}
active = i
}
if snap.NeedsReboot() {
return nil // don't do gc on snaps that need reboot.
}
}
if active < 1 {
// how was this an install?
return nil
}
for _, snap := range snaps[:active-1] {
if err := (&Overlord{}).Uninstall(snap, pb); err != nil {
return ErrGarbageCollectImpossible(err.Error())
}
}
return nil
}
// ActiveSnapsByType returns all installed snaps with the given type
func ActiveSnapsByType(snapTs ...snap.Type) (res []*Snap, err error) {
installed, err := (&Overlord{}).Installed()
if err != nil {
return nil, err
}
for _, snap := range installed {
if !snap.IsActive() {
continue
}
for i := range snapTs {
if snap.Type() == snapTs[i] {
res = append(res, snap)
}
}
}
return res, nil
}
func (s *SnapTestSuite) TestServicesWithPorts(c *C) {
const packageHello = `name: hello-snap
version: 1.10
apps:
hello:
command: bin/hello
svc1:
command: svc1
type: forking
description: "Service #1"
ports:
external:
ui:
port: 8080/tcp
nothing:
port: 8081/tcp
negotiable: yes
svc2:
command: svc2
type: forking
description: "Service #2"
`
yamlFile, err := makeInstalledMockSnap(packageHello, 11)
c.Assert(err, IsNil)
snap, err := NewInstalledSnap(yamlFile)
c.Assert(err, IsNil)
c.Assert(snap, NotNil)
c.Assert(snap.Name(), Equals, "hello-snap")
c.Assert(snap.Developer(), Equals, testDeveloper)
c.Assert(snap.Version(), Equals, "1.10")
c.Assert(snap.IsActive(), Equals, false)
apps := snap.Info().Apps
c.Assert(apps, HasLen, 3)
c.Assert(apps["svc1"].Name, Equals, "svc1")
c.Assert(apps["svc2"].Name, Equals, "svc2")
}
func (s *SnapTestSuite) TestLocalSnapSimple(c *C) {
snapYaml, err := makeInstalledMockSnap("", 15)
c.Assert(err, IsNil)
snap, err := NewInstalledSnap(snapYaml)
c.Assert(err, IsNil)
c.Assert(snap, NotNil)
c.Check(snap.Name(), Equals, "hello-snap")
c.Check(snap.Version(), Equals, "1.10")
c.Check(snap.IsActive(), Equals, false)
c.Check(snap.Info().Summary(), Equals, "hello in summary")
c.Check(snap.Info().Description(), Equals, "Hello...")
c.Check(snap.Info().Revision, Equals, 15)
mountDir := snap.Info().MountDir()
_, err = os.Stat(mountDir)
c.Assert(err, IsNil)
c.Assert(mountDir, Equals, filepath.Join(dirs.SnapSnapsDir, helloSnapComposedName, "15"))
}