func (s *UpgraderSuite) TestUpgraderUpgradesImmediately(c *gc.C) {
stor := s.Conn.Environ.Storage()
oldTools := envtesting.PrimeTools(c, stor, s.DataDir(), version.MustParseBinary("5.4.3-precise-amd64"))
s.PatchValue(&version.Current, oldTools.Version)
newTools := envtesting.AssertUploadFakeToolsVersions(
c, stor, version.MustParseBinary("5.4.5-precise-amd64"))[0]
err := statetesting.SetAgentVersion(s.State, newTools.Version.Number)
c.Assert(err, gc.IsNil)
// Make the download take a while so that we verify that
// the download happens before the upgrader checks if
// it's been stopped.
dummy.SetStorageDelay(coretesting.ShortWait)
u := s.makeUpgrader()
err = u.Stop()
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: s.machine.Tag(),
OldTools: oldTools.Version,
NewTools: newTools.Version,
DataDir: s.DataDir(),
})
foundTools, err := agenttools.ReadTools(s.DataDir(), newTools.Version)
c.Assert(err, gc.IsNil)
envtesting.CheckTools(c, foundTools, newTools)
}
func (s *UpgraderSuite) TestUpgraderRetryAndChanged(c *gc.C) {
stor := s.Conn.Environ.Storage()
oldTools := envtesting.PrimeTools(c, stor, s.DataDir(), version.MustParseBinary("5.4.3-precise-amd64"))
s.PatchValue(&version.Current, oldTools.Version)
newTools := envtesting.AssertUploadFakeToolsVersions(
c, stor, version.MustParseBinary("5.4.5-precise-amd64"))[0]
err := statetesting.SetAgentVersion(s.State, newTools.Version.Number)
c.Assert(err, gc.IsNil)
retryc := make(chan time.Time)
*upgrader.RetryAfter = func() <-chan time.Time {
c.Logf("replacement retry after")
return retryc
}
dummy.Poison(s.Conn.Environ.Storage(), envtools.StorageName(newTools.Version), fmt.Errorf("a non-fatal dose"))
u := s.makeUpgrader()
defer u.Stop()
for i := 0; i < 3; i++ {
select {
case retryc <- time.Now():
case <-time.After(coretesting.LongWait):
c.Fatalf("upgrader did not retry (attempt %d)", i)
}
}
// Make it upgrade to some newer tools that can be
// downloaded ok; it should stop retrying, download
// the newer tools and exit.
newerTools := envtesting.AssertUploadFakeToolsVersions(
c, s.Conn.Environ.Storage(), version.MustParseBinary("5.4.6-precise-amd64"))[0]
err = statetesting.SetAgentVersion(s.State, newerTools.Version.Number)
c.Assert(err, gc.IsNil)
s.BackingState.StartSync()
done := make(chan error)
go func() {
done <- u.Wait()
}()
select {
case err := <-done:
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: s.machine.Tag(),
OldTools: oldTools.Version,
NewTools: newerTools.Version,
DataDir: s.DataDir(),
})
case <-time.After(coretesting.LongWait):
c.Fatalf("upgrader did not quit after upgrading")
}
}
func (s *MachineSuite) testUpgradeRequest(c *gc.C, agent runner, tag string, currentTools *tools.Tools) {
newVers := version.Current
newVers.Patch++
newTools := envtesting.AssertUploadFakeToolsVersions(c, s.Conn.Environ.Storage(), newVers)[0]
err := s.State.SetEnvironAgentVersion(newVers.Number)
c.Assert(err, gc.IsNil)
err = runWithTimeout(agent)
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: tag,
OldTools: currentTools.Version,
NewTools: newTools.Version,
DataDir: s.DataDir(),
})
}
func (s *UnitSuite) TestUpgrade(c *gc.C) {
machine, unit, _, currentTools := s.primeAgent(c)
agent := s.newAgent(c, unit)
newVers := version.Current
newVers.Patch++
envtesting.AssertUploadFakeToolsVersions(c, s.Conn.Environ.Storage(), newVers)
// Set the machine agent version to trigger an upgrade.
err := machine.SetAgentVersion(newVers)
c.Assert(err, gc.IsNil)
err = runWithTimeout(agent)
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: unit.Tag(),
OldTools: currentTools.Version,
NewTools: newVers,
DataDir: s.DataDir(),
})
}
func (s *UpgraderSuite) TestUpgraderAllowsDowngradingPatchVersions(c *gc.C) {
stor := s.Conn.Environ.Storage()
origTools := envtesting.PrimeTools(c, stor, s.DataDir(), version.MustParseBinary("5.4.3-precise-amd64"))
s.PatchValue(&version.Current, origTools.Version)
downgradeTools := envtesting.AssertUploadFakeToolsVersions(
c, stor, version.MustParseBinary("5.4.2-precise-amd64"))[0]
err := statetesting.SetAgentVersion(s.State, downgradeTools.Version.Number)
c.Assert(err, gc.IsNil)
dummy.SetStorageDelay(coretesting.ShortWait)
u := s.makeUpgrader()
err = u.Stop()
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: s.machine.Tag(),
OldTools: origTools.Version,
NewTools: downgradeTools.Version,
DataDir: s.DataDir(),
})
foundTools, err := agenttools.ReadTools(s.DataDir(), downgradeTools.Version)
c.Assert(err, gc.IsNil)
envtesting.CheckTools(c, foundTools, downgradeTools)
}