func()

in pkg/common/config/config_yaml.go [92:196]
89 lines of code
27 McCabe index (conditional complexity)

func (ccy *CommonConfigYAML) validateConfig() error {
	//Fix default global values
	if ccy.Global.RoundTripperCount == 0 {
		ccy.Global.RoundTripperCount = DefaultRoundTripperCount
	}
	if ccy.Global.VCenterPort == 0 {
		ccy.Global.VCenterPort = DefaultVCenterPort
	}
	if ccy.Global.APIBinding == "" {
		ccy.Global.APIBinding = DefaultAPIBinding
	}
	if len(ccy.Global.IPFamilyPriority) == 0 {
		ccy.Global.IPFamilyPriority = []string{DefaultIPFamily}
	}

	// Create a single instance of VSphereInstance for the Global VCenterIP if the
	// VirtualCenter does not already exist in the map
	if ccy.Global.VCenterIP != "" && ccy.Vcenter[ccy.Global.VCenterIP] == nil {
		ccy.Vcenter[ccy.Global.VCenterIP] = &VirtualCenterConfigYAML{
			User:              ccy.Global.User,
			Password:          ccy.Global.Password,
			TenantRef:         ccy.Global.VCenterIP,
			VCenterIP:         ccy.Global.VCenterIP,
			VCenterPort:       ccy.Global.VCenterPort,
			InsecureFlag:      ccy.Global.InsecureFlag,
			Datacenters:       ccy.Global.Datacenters,
			RoundTripperCount: ccy.Global.RoundTripperCount,
			CAFile:            ccy.Global.CAFile,
			Thumbprint:        ccy.Global.Thumbprint,
			SecretRef:         DefaultCredentialManager,
			SecretName:        ccy.Global.SecretName,
			SecretNamespace:   ccy.Global.SecretNamespace,
			IPFamilyPriority:  ccy.Global.IPFamilyPriority,
		}
	}

	// Must have at least one vCenter defined
	if len(ccy.Vcenter) == 0 {
		klog.Error(ErrMissingVCenter)
		return ErrMissingVCenter
	}

	// vsphere.conf is no longer supported in the old format.
	for tenantRef, vcConfig := range ccy.Vcenter {
		klog.V(4).Infof("Initializing vc server %s", tenantRef)
		if vcConfig.VCenterIP == "" {
			klog.Error(ErrInvalidVCenterIP)
			return ErrInvalidVCenterIP
		}

		// in the YAML-based config, the tenant ref is required in the config
		vcConfig.TenantRef = tenantRef

		if !ccy.isSecretInfoProvided() && !vcConfig.isSecretInfoProvided() {
			if vcConfig.User == "" {
				vcConfig.User = ccy.Global.User
				if vcConfig.User == "" {
					klog.Errorf("vcConfig.User is empty for vc %s!", tenantRef)
					return ErrUsernameMissing
				}
			}
			if vcConfig.Password == "" {
				vcConfig.Password = ccy.Global.Password
				if vcConfig.Password == "" {
					klog.Errorf("vcConfig.Password is empty for vc %s!", tenantRef)
					return ErrPasswordMissing
				}
			}
		} else if ccy.isSecretInfoProvided() && !vcConfig.isSecretInfoProvided() {
			vcConfig.SecretRef = DefaultCredentialManager
		} else if vcConfig.isSecretInfoProvided() {
			vcConfig.SecretRef = vcConfig.SecretNamespace + "/" + vcConfig.SecretName
		}

		if vcConfig.VCenterPort == 0 {
			vcConfig.VCenterPort = ccy.Global.VCenterPort
		}

		if len(vcConfig.Datacenters) == 0 {
			if len(ccy.Global.Datacenters) != 0 {
				vcConfig.Datacenters = ccy.Global.Datacenters
			}
		}
		if vcConfig.RoundTripperCount == 0 {
			vcConfig.RoundTripperCount = ccy.Global.RoundTripperCount
		}
		if vcConfig.CAFile == "" {
			vcConfig.CAFile = ccy.Global.CAFile
		}
		if vcConfig.Thumbprint == "" {
			vcConfig.Thumbprint = ccy.Global.Thumbprint
		}

		if len(vcConfig.IPFamilyPriority) == 0 {
			vcConfig.IPFamilyPriority = ccy.Global.IPFamilyPriority
		}

		insecure := vcConfig.InsecureFlag
		if !insecure {
			vcConfig.InsecureFlag = ccy.Global.InsecureFlag
		}
	}

	return nil
}