// Prepare handles the global CLI flags and shared functionality without
// the assumption that a Project has already been initialized.
//
// Precedence is currently:
//
// - flags such as --profile
// - env vars such as AWS_PROFILE
// - files such as ~/.aws/config
//
func Prepare(c *cobra.Command, args []string) error {
if l, err := log.ParseLevel(logLevel); err == nil {
log.SetLevel(l)
}
// config defaults
Config = aws.NewConfig()
// profile from flag, config, env, "default"
if profile == "" {
profile, _ = utils.ProfileFromConfig(environment)
if profile == "" {
profile = os.Getenv("AWS_PROFILE")
if profile == "" {
profile = "default"
}
}
}
// the default SharedCredentialsProvider checks the env
os.Setenv("AWS_PROFILE", profile)
// region from flag, env, file
if region == "" {
region = os.Getenv("AWS_REGION")
if region == "" {
region, _ = utils.GetRegion(profile)
}
}
if region != "" {
Config = Config.WithRegion(region)
}
Session = session.New(Config)
Project = &project.Project{
Environment: environment,
InfraEnvironment: environment,
Log: log.Log,
Path: ".",
}
if dryRun {
log.SetLevel(log.WarnLevel)
Project.Service = dryrun.New(Session)
Project.Concurrency = 1
} else {
Project.Service = lambda.New(Session)
}
if chdir != "" {
if err := os.Chdir(chdir); err != nil {
return err
}
}
return nil
}
// PreRun sets up global tasks used for most commands, some use PreRunNoop
// to remove this default behaviour.
func preRun(c *cobra.Command, args []string) error {
if l, err := log.ParseLevel(logLevel); err == nil {
log.SetLevel(l)
}
// credential defaults
config := aws.NewConfig()
// explicit profile
if profile != "" {
config = config.WithCredentials(credentials.NewSharedCredentials("", profile))
}
// support region from ~/.aws/config for AWS_PROFILE
if profile == "" {
profile = os.Getenv("AWS_PROFILE")
}
// region from ~/.aws/config
if region, _ := utils.GetRegion(profile); region != "" {
config = config.WithRegion(region)
}
Session = session.New(config)
Project = &project.Project{
Log: log.Log,
Path: ".",
}
if dryRun {
log.SetLevel(log.WarnLevel)
Project.Service = dryrun.New(Session)
Project.Concurrency = 1
} else {
Project.Service = lambda.New(Session)
}
if chdir != "" {
if err := os.Chdir(chdir); err != nil {
return err
}
}
return Project.Open()
}