func dialOptions()

in internal/proxy/proxy.go [274:297]

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

func dialOptions(c Config, i InstanceConnConfig) []cloudsqlconn.DialOption {
	var opts []cloudsqlconn.DialOption

	if i.IAMAuthN != nil {
		opts = append(opts, cloudsqlconn.WithDialIAMAuthN(*i.IAMAuthN))
	}

	switch {
	// If private IP is enabled at the instance level, or private IP is enabled globally
	// add the option.
	case i.PrivateIP != nil && *i.PrivateIP || i.PrivateIP == nil && c.PrivateIP:
		opts = append(opts, cloudsqlconn.WithPrivateIP())
	// If PSC is enabled at the instance level, or PSC is enabled globally
	// add the option.
	case i.PSC != nil && *i.PSC || i.PSC == nil && c.PSC:
		opts = append(opts, cloudsqlconn.WithPSC())
	case c.AutoIP:
		opts = append(opts, cloudsqlconn.WithAutoIP())
	default:
		// assume public IP by default
	}

	return opts
}