func()

in internal/pkg/cli/env_init.go [475:548]

• 74 lines of code
• 16 McCabe index (conditional complexity)

func (o *initEnvOpts) askImportResources() error {
	if o.selVPC == nil {
		o.selVPC = selector.NewEC2Select(o.prompt, ec2.New(o.sess))
	}
	if o.importVPC.ID == "" {
		vpcID, err := o.selVPC.VPC(envInitVPCSelectPrompt, "")
		if err != nil {
			if err == selector.ErrVPCNotFound {
				log.Errorf(`No existing VPCs were found. You can either:
- Create a new VPC first and then import it.
- Use the default Copilot environment configuration.
`)
			}
			return fmt.Errorf("select VPC: %w", err)
		}
		o.importVPC.ID = vpcID
	}
	if o.ec2Client == nil {
		o.ec2Client = ec2.New(o.sess)
	}
	dnsSupport, err := o.ec2Client.HasDNSSupport(o.importVPC.ID)
	if err != nil {
		return fmt.Errorf("check if VPC %s has DNS support enabled: %w", o.importVPC.ID, err)
	}
	if !dnsSupport {
		log.Errorln(`Looks like you're creating an environment using a VPC with DNS support *disabled*.
Copilot cannot create services or jobs in VPCs without DNS support. We recommend enabling this property.
To learn more about the issue:
https://aws.amazon.com/premiumsupport/knowledge-center/ecs-pull-container-api-error-ecr/`)
		return fmt.Errorf("VPC %s has no DNS support enabled", o.importVPC.ID)
	}
	if o.importVPC.PublicSubnetIDs == nil {
		publicSubnets, err := o.selVPC.Subnets(selector.SubnetsInput{
			Msg:      envInitPublicSubnetsSelectPrompt,
			Help:     "",
			VPCID:    o.importVPC.ID,
			IsPublic: true,
		})
		if err != nil {
			if errors.Is(err, selector.ErrSubnetsNotFound) {
				log.Warningf(`No existing subnets were found in VPC %s.
If you proceed without at least two public subnets, you will not be able to deploy Load Balanced Web Services in this environment.
`, o.importVPC.ID)
			} else {
				return fmt.Errorf("select public subnets: %w", err)
			}
		}
		if len(publicSubnets) == 1 {
			return errors.New("select public subnets: at least two public subnets must be selected to enable Load Balancing")
		}
		o.importVPC.PublicSubnetIDs = publicSubnets
	}
	if o.importVPC.PrivateSubnetIDs == nil {
		privateSubnets, err := o.selVPC.Subnets(selector.SubnetsInput{
			Msg:      envInitPrivateSubnetsSelectPrompt,
			Help:     "",
			VPCID:    o.importVPC.ID,
			IsPublic: false,
		})
		if err != nil {
			if err == selector.ErrSubnetsNotFound {
				log.Errorf(`No existing subnets were found in VPC %s. You can either:
- Create new private subnets and then import them.
- Use the default Copilot environment configuration.`, o.importVPC.ID)
			}
			return fmt.Errorf("select private subnets: %w", err)
		}
		if len(privateSubnets) < 2 {
			return errors.New("select private subnets: at least two private subnets must be selected")
		}
		o.importVPC.PrivateSubnetIDs = privateSubnets
	}
	return nil
}