func()

in pkg/api/defaults.go [831:928]

• 81 lines of code
• 29 McCabe index (conditional complexity)

func (cs *ContainerService) setWindowsProfileDefaults(isUpgrade, isScale bool) {
	cloudSpecConfig := cs.GetCloudSpecConfig()
	windowsProfile := cs.Properties.WindowsProfile
	if !isUpgrade && !isScale {
		// Allow non-default values of windowsProfile.ProvisioningScriptsPackageURL to allow for testing of updates to the scripts.
		if len(windowsProfile.ProvisioningScriptsPackageURL) == 0 {
			windowsProfile.ProvisioningScriptsPackageURL = cloudSpecConfig.KubernetesSpecConfig.WindowsProvisioningScriptsPackageURL
		}
		if len(windowsProfile.WindowsPauseImageURL) == 0 {
			windowsProfile.WindowsPauseImageURL = cloudSpecConfig.KubernetesSpecConfig.WindowsPauseImageURL
		}
		if windowsProfile.AlwaysPullWindowsPauseImage == nil {
			windowsProfile.AlwaysPullWindowsPauseImage = to.BoolPtr(cloudSpecConfig.KubernetesSpecConfig.AlwaysPullWindowsPauseImage)
		}
		if windowsProfile.SSHEnabled == nil {
			windowsProfile.SSHEnabled = to.BoolPtr(DefaultWindowsSSHEnabled)
		}

		// Default to aks-engine WIndows Server 2019 docker image
		defaultImageConfig := AKSWindowsServer2019OSImageConfig
		if ImagePublisherAndOfferMatch(windowsProfile, WindowsServer2019OSImageConfig) {
			// Use 'vanilla' Windows Server 2019 images
			defaultImageConfig = WindowsServer2019OSImageConfig
		} else if cs.Properties.OrchestratorProfile.KubernetesConfig.NeedsContainerd() {
			// Use to using aks-engine Windows Server 2019 conatinerD VHD
			defaultImageConfig = AKSWindowsServer2019ContainerDOSImageConfig
		}

		// This allows caller to use the latest ImageVersion and WindowsSku for adding a new Windows pool to an existing cluster.
		// We must assure that same WindowsPublisher and WindowsOffer are used in an existing cluster.
		if ImagePublisherAndOfferMatch(windowsProfile, defaultImageConfig) {
			if windowsProfile.WindowsSku == "" {
				windowsProfile.WindowsSku = defaultImageConfig.ImageSku
			}
			if windowsProfile.ImageVersion == "" {
				if windowsProfile.WindowsSku == defaultImageConfig.ImageSku {
					windowsProfile.ImageVersion = defaultImageConfig.ImageVersion
				} else {
					windowsProfile.ImageVersion = "latest"
				}
			}
		} else {
			if windowsProfile.WindowsPublisher == "" {
				windowsProfile.WindowsPublisher = defaultImageConfig.ImagePublisher
			}
			if windowsProfile.WindowsOffer == "" {
				windowsProfile.WindowsOffer = defaultImageConfig.ImageOffer
			}
			if windowsProfile.WindowsSku == "" {
				windowsProfile.WindowsSku = defaultImageConfig.ImageSku
			}

			if windowsProfile.ImageVersion == "" {
				// default versions are specific to a publisher/offer/sku for aks-engine VHDs
				aksEngineImageConfigs := []AzureOSImageConfig{AKSWindowsServer2019ContainerDOSImageConfig, AKSWindowsServer2019OSImageConfig}
				for _, imageConfig := range aksEngineImageConfigs {
					if ImagePublisherAndOfferMatch(windowsProfile, imageConfig) && windowsProfile.WindowsSku == imageConfig.ImageSku {
						windowsProfile.ImageVersion = imageConfig.ImageVersion
						break
					}
				}
				// set imageVersion to 'latest' if still unset
				if windowsProfile.ImageVersion == "" {
					windowsProfile.ImageVersion = "latest"
				}
			}
		}
	} else if isUpgrade {
		// Always set windowsProfile.ProvisioningScriptsPackerURL to the default value during upgrade.
		// The contents on this package must stay in sync with other powershell code in /parts/k8s and the best way to ensure that is to update the value here.
		windowsProfile.ProvisioningScriptsPackageURL = cloudSpecConfig.KubernetesSpecConfig.WindowsProvisioningScriptsPackageURL
		if len(windowsProfile.WindowsPauseImageURL) == 0 {
			windowsProfile.WindowsPauseImageURL = cloudSpecConfig.KubernetesSpecConfig.WindowsPauseImageURL
		}
		if windowsProfile.AlwaysPullWindowsPauseImage == nil {
			windowsProfile.AlwaysPullWindowsPauseImage = to.BoolPtr(cloudSpecConfig.KubernetesSpecConfig.AlwaysPullWindowsPauseImage)
		}

		// Image reference publisher and offer only can be set when you create the scale set so we keep the old values.
		// Reference: https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-upgrade-scale-set#create-time-properties
		windowsImageConfigs := []AzureOSImageConfig{AKSWindowsServer2019OSImageConfig, WindowsServer2019OSImageConfig}
		if cs.Properties.OrchestratorProfile.KubernetesConfig.NeedsContainerd() {
			windowsImageConfigs = []AzureOSImageConfig{AKSWindowsServer2019ContainerDOSImageConfig, WindowsServer2019OSImageConfig}
		}
		for _, imageConfig := range windowsImageConfigs {
			if ImagePublisherAndOfferMatch(windowsProfile, imageConfig) {
				if windowsProfile.ImageVersion == "" {
					windowsProfile.ImageVersion = imageConfig.ImageVersion
				}
				if windowsProfile.WindowsSku == "" {
					windowsProfile.WindowsSku = imageConfig.ImageSku
				}
				break
			}
		}
	}
	// Scale: Keep the same version to match other nodes because we have no way to rollback
}