func (s *S) TestValidListAppImages(c *check.C) {
config.Set("docker:image-history-size", 2)
defer config.Unset("docker:image-history-size")
err := image.AppendAppImageName("myapp", "tsuru/app-myapp:v1")
c.Assert(err, check.IsNil)
err = image.AppendAppImageName("myapp", "tsuru/app-myapp:v2")
c.Assert(err, check.IsNil)
err = image.AppendAppImageName("myapp", "tsuru/app-myapp:v3")
c.Assert(err, check.IsNil)
images, err := image.ListValidAppImages("myapp")
c.Assert(err, check.IsNil)
c.Assert(images, check.DeepEquals, []string{"tsuru/app-myapp:v2", "tsuru/app-myapp:v3"})
}
func (p *dockerProvisioner) Rollback(a provision.App, imageId string, evt *event.Event) (string, error) {
validImgs, err := image.ListValidAppImages(a.GetName())
if err != nil {
return "", err
}
valid := false
for _, img := range validImgs {
if img == imageId {
valid = true
break
}
}
if !valid {
return "", errors.Errorf("Image %q not found in app", imageId)
}
return imageId, p.deploy(a, imageId, evt)
}