func (s *ConverterSuite) TestConvertGitDeployerBeforeDeploy(c *gc.C) {
gitDeployer := charm.NewGitDeployer(s.targetPath, s.dataPath, s.bundles)
info := s.bundles.AddBundle(c, charmURL(1), mockBundle{})
err := gitDeployer.Stage(info, nil)
c.Assert(err, gc.IsNil)
deployer, err := charm.NewDeployer(s.targetPath, s.dataPath, s.bundles)
c.Assert(err, gc.IsNil)
err = charm.FixDeployer(&deployer)
c.Assert(err, gc.IsNil)
c.Assert(deployer, jc.Satisfies, charm.IsManifestDeployer)
ft.Removed{"current"}.Check(c, s.dataPath)
err = deployer.Stage(info, nil)
c.Assert(err, gc.IsNil)
err = deployer.Deploy()
c.Assert(err, gc.IsNil)
ft.Removed{".git"}.Check(c, s.targetPath)
}
func (s *ConverterSuite) TestPathological(c *gc.C) {
initial := s.bundles.AddCustomBundle(c, charmURL(1), func(path string) {
ft.File{"common", "initial", 0644}.Create(c, path)
ft.File{"initial", "blah", 0644}.Create(c, path)
})
staged := s.bundles.AddCustomBundle(c, charmURL(2), func(path string) {
ft.File{"common", "staged", 0644}.Create(c, path)
ft.File{"user", "badwrong", 0644}.Create(c, path)
})
final := s.bundles.AddCustomBundle(c, charmURL(3), func(path string) {
ft.File{"common", "final", 0644}.Create(c, path)
ft.File{"final", "blah", 0644}.Create(c, path)
})
gitDeployer := charm.NewGitDeployer(s.targetPath, s.dataPath, s.bundles)
err := gitDeployer.Stage(initial, nil)
c.Assert(err, gc.IsNil)
err = gitDeployer.Deploy()
c.Assert(err, gc.IsNil)
preserveUser := ft.File{"user", "preserve", 0644}.Create(c, s.targetPath)
err = gitDeployer.Stage(staged, nil)
c.Assert(err, gc.IsNil)
deployer, err := charm.NewDeployer(s.targetPath, s.dataPath, s.bundles)
c.Assert(err, gc.IsNil)
err = charm.FixDeployer(&deployer)
c.Assert(err, gc.IsNil)
err = deployer.Stage(final, nil)
c.Assert(err, gc.IsNil)
err = deployer.Deploy()
c.Assert(err, gc.IsNil)
ft.Removed{".git"}.Check(c, s.targetPath)
ft.Removed{"initial"}.Check(c, s.targetPath)
ft.Removed{"staged"}.Check(c, s.targetPath)
ft.File{"common", "final", 0644}.Check(c, s.targetPath)
preserveUser.Check(c, s.targetPath)
}
// fixDeployer replaces the uniter's git-based charm deployer with a manifest-
// based one, if necessary. It should not be called unless the existing charm
// deployment is known to be in a stable state.
func (u *Uniter) fixDeployer() error {
if err := charm.FixDeployer(&u.deployer); err != nil {
return fmt.Errorf("cannot convert git deployment to manifest deployment: %v", err)
}
return nil
}