func Contracts(sous *core.Sous, args []string) {
contractsFlags.Parse(args)
args = contractsFlags.Args()
timeout := *timeoutFlag
targetName := "app"
if len(args) != 0 {
targetName = args[0]
}
core.RequireGit()
core.RequireDocker()
if *dockerImage != "" {
cli.Fatalf("-image flag not yet implemented")
}
target, context := sous.AssembleTargetContext(targetName)
sous.RunTarget(target, context)
cli.Logf("=> Running Contracts")
cli.Logf(`=> **TIP:** Open another terminal in this directory and type **sous logs -f**`)
taskHost := core.DivineTaskHost()
port0, err := ports.GetFreePort()
if err != nil {
cli.Fatalf("Unable to get free port: %s", err)
}
dr := docker.NewRun(context.DockerTag())
dr.AddEnv("PORT0", strconv.Itoa(port0))
dr.AddEnv("TASK_HOST", taskHost)
dr.StdoutFile = context.FilePath("stdout")
dr.StderrFile = context.FilePath("stderr")
container, err := dr.Background().Start()
if err != nil {
cli.Fatalf("Unable to start container: %s", err)
}
cli.AddCleanupTask(func() error {
return container.KillIfRunning()
})
failed := 0
for _, c := range theContracts {
cli.Logf(`===> CHECKING CONTRACT: "%s"`, c.Name)
cli.Logf(`===> Description: %s`, c.Desc(dr))
if c.Tips != nil {
cli.Logf("===> **TIPS for this contract:**")
cli.LogBulletList(" -", c.Tips(dr))
}
failed += within(timeout, func() bool {
return c.Premise(dr)
})
}
if failed != 0 {
cli.Fatalf("%d contracts failed.", failed)
}
cli.Success()
}
// RemoveOnExit is a convenience wrapper that safely ensures the
// named file is removed after execution, by adding a cleanup task
// to the cli singleton.
func RemoveOnExit(path string) {
cli.AddCleanupTask(func() error {
if Exists(path) {
Remove(path)
}
if Exists(path) {
return fmt.Errorf("Unable to remove temporary object %s; please remove it manually.", path)
}
return nil
})
}