func (s *verifyStorageSuite) TestVerifyStorageFails(c *gc.C) {
ctx := testing.Context(c)
environ, err := environs.PrepareFromName("test", ctx, configstore.NewMem())
c.Assert(err, gc.IsNil)
stor := environ.Storage()
someError := errors.Unauthorizedf("you shall not pass")
dummy.Poison(stor, environs.VerificationFilename, someError)
err = environs.VerifyStorage(stor)
c.Assert(err, gc.Equals, environs.VerifyStorageError)
}
func (s *backupSuite) TestErrorWhenStoragePutFails(c *gc.C) {
f := s.makeTempFile(c)
defer f.Close()
stor, err := environs.GetStorage(s.State)
c.Assert(err, gc.IsNil)
dummy.Poison(stor, "/backups/foo", fmt.Errorf("blam"))
err = uploadBackupToStorage(s.State, f)
c.Assert(err, gc.ErrorMatches, "blam")
}
func (s *UpgraderSuite) TestUpgraderRetryAndChanged(c *gc.C) {
stor := s.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.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.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().String(),
OldTools: oldTools.Version,
NewTools: newerTools.Version,
DataDir: s.DataDir(),
})
case <-time.After(coretesting.LongWait):
c.Fatalf("upgrader did not quit after upgrading")
}
}
func (s *checkEnvironmentSuite) TestCheckEnvironmentGetFails(c *gc.C) {
ctx := testing.Context(c)
environ, err := environs.PrepareFromName("test", ctx, configstore.NewMem())
c.Assert(err, gc.IsNil)
// VerifyStorage is sufficient for our tests and much simpler
// than Bootstrap which calls it.
stor := environ.Storage()
err = environs.VerifyStorage(stor)
c.Assert(err, gc.IsNil)
// When fetching the verification file from storage fails,
// we get an InvalidEnvironmentError.
someError := errors.Unauthorizedf("you shall not pass")
dummy.Poison(stor, environs.VerificationFilename, someError)
err = environs.CheckEnvironment(environ)
c.Assert(err, gc.Equals, someError)
}