func (plugin AutopilotPlugin) Run(cliConnection plugin.CliConnection, args []string) {
appRepo := NewApplicationRepo(cliConnection)
appName, manifestPath, appPath, err := ParseArgs(args)
fatalIf(err)
venerableAppName := appName + "-venerable"
actions := rewind.Actions{
Actions: []rewind.Action{
// rename
{
Forward: func() error {
return appRepo.RenameApplication(appName, venerableAppName)
},
},
// push
{
Forward: func() error {
return appRepo.PushApplication(manifestPath, appPath)
},
ReversePrevious: func() error {
return appRepo.RenameApplication(venerableAppName, appName)
},
},
// delete
{
Forward: func() error {
return appRepo.DeleteApplication(venerableAppName)
},
},
},
RewindFailureMessage: "Oh no. Something's gone wrong. I've tried to roll back but you should check to see if everything is OK.",
}
err = actions.Execute()
fatalIf(err)
fmt.Println()
fmt.Println("A new version of your application has successfully been pushed!")
fmt.Println()
err = appRepo.ListApplications()
fatalIf(err)
}
"github.com/concourse/autopilot/rewind"
)
var _ = Describe("Rewind", func() {
It("runs through all actions if they're all successful", func() {
firstRun := false
secondRun := false
actions := rewind.Actions{
Actions: []rewind.Action{
{
Forward: func() error {
firstRun = true
return nil
},
},
{
Forward: func() error {
secondRun = true
return nil
},
},
},
}
err := actions.Execute()
Ω(err).ShouldNot(HaveOccurred())
Ω(firstRun).Should(BeTrue())
Ω(secondRun).Should(BeTrue())
})