func hasModifiedDeps(ctx *context.ExecuteContext, deps []string) bool {
for _, dep := range deps {
taskName := task.ParseName(dep)
if ctx.IsModified(taskName) {
return true
}
}
return false
}
func pushImage(ctx *context.ExecuteContext, t *Task, tag string) error {
repo, err := parseAuthRepo(t.config.Image)
if err != nil {
return err
}
return Stream(os.Stdout, func(out io.Writer) error {
return ctx.Client.PushImage(docker.PushImageOptions{
Name: tag,
OutputStream: out,
RawJSONStream: true,
// TODO: timeout
}, ctx.GetAuthConfig(repo))
})
}
func pullImage(ctx *context.ExecuteContext, t *Task, imageTag string) error {
registry, err := parseAuthRepo(t.config.Image)
if err != nil {
return err
}
repo, tag := docker.ParseRepositoryTag(imageTag)
return Stream(os.Stdout, func(out io.Writer) error {
return ctx.Client.PullImage(docker.PullImageOptions{
Repository: repo,
Tag: tag,
OutputStream: out,
RawJSONStream: true,
// TODO: timeout
}, ctx.GetAuthConfig(registry))
})
}
func executeTasks(ctx *context.ExecuteContext, tasks *TaskCollection) error {
startedTasks := []types.Task{}
defer func() {
logging.Log.Debug("stopping tasks")
for _, task := range reversed(startedTasks) {
if err := task.Stop(ctx); err != nil {
logging.Log.Warnf("Failed to stop task %q: %s", task.Name(), err)
}
}
}()
logging.Log.Debug("executing tasks")
for _, taskConfig := range tasks.All() {
resource, err := taskConfig.Resource().Resolve(ctx.Env)
if err != nil {
return err
}
ctx.Resources.Add(taskConfig.Name().Resource(), resource)
task := taskConfig.Task(resource)
startedTasks = append(startedTasks, task)
start := time.Now()
logging.Log.WithFields(log.Fields{"time": start, "task": task}).Debug("Start")
depsModified := hasModifiedDeps(ctx, taskConfig.Dependencies())
modified, err := task.Run(ctx, depsModified)
if err != nil {
return fmt.Errorf("failed to execute task %q: %s", task.Name(), err)
}
if modified {
ctx.SetModified(task.Name())
}
logging.Log.WithFields(log.Fields{
"elapsed": time.Since(start),
"task": task,
}).Debug("Complete")
}
return nil
}