func CopyPodContainers()

in controllers/util/common.go [528:640]
95 lines of code
23 McCabe index (conditional complexity)

func CopyPodContainers(fromPtr, toPtr *[]corev1.Container, basePath string, logger logr.Logger) (requireUpdate bool) {
	to := *toPtr
	from := *fromPtr
	if len(to) != len(from) {
		requireUpdate = true
		logger.Info("Update required because field changed", "field", basePath+".Length", "from", len(to), "to", len(from))
		*toPtr = from
	} else {
		for i := 0; i < len(from); i++ {
			containerBasePath := basePath + "[" + strconv.Itoa(i) + "]."
			if !DeepEqualWithNils(to[i].Name, from[i].Name) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Name", "from", to[i].Name, "to", from[i].Name)
				to[i].Name = from[i].Name
			}

			if !DeepEqualWithNils(to[i].Image, from[i].Image) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Image", "from", to[i].Image, "to", from[i].Image)
				to[i].Image = from[i].Image
			}

			if from[i].ImagePullPolicy != "" && !DeepEqualWithNils(to[i].ImagePullPolicy, from[i].ImagePullPolicy) {
				// Only request an update if the requestedPullPolicy is not empty
				// Otherwise kubernetes will specify a defaultPollPolicy and the operator will endlessly recurse, trying to unset the default policy.
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"ImagePullPolicy", "from", to[i].ImagePullPolicy, "to", from[i].ImagePullPolicy)
			}
			to[i].ImagePullPolicy = from[i].ImagePullPolicy

			if !DeepEqualWithNils(to[i].Command, from[i].Command) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Command", "from", to[i].Command, "to", from[i].Command)
				to[i].Command = from[i].Command
			}

			if !DeepEqualWithNils(to[i].Args, from[i].Args) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Args", "from", to[i].Args, "to", from[i].Args)
				to[i].Args = from[i].Args
			}

			if !DeepEqualWithNils(to[i].Env, from[i].Env) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Env", "from", to[i].Env, "to", from[i].Env)
				to[i].Env = from[i].Env
			}

			requireUpdate = CopyResources(&from[i].Resources, &to[i].Resources, containerBasePath+"Resources.", logger) || requireUpdate

			if !DeepEqualWithNils(to[i].VolumeMounts, from[i].VolumeMounts) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"VolumeMounts", "from", to[i].VolumeMounts, "to", from[i].VolumeMounts)
				to[i].VolumeMounts = from[i].VolumeMounts
			}

			if !DeepEqualWithNils(to[i].Ports, from[i].Ports) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Ports", "from", to[i].Ports, "to", from[i].Ports)
				to[i].Ports = from[i].Ports
			}

			if !DeepEqualWithNils(to[i].Lifecycle, from[i].Lifecycle) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Lifecycle", "from", to[i].Lifecycle, "to", from[i].Lifecycle)
				to[i].Lifecycle = from[i].Lifecycle
			}

			if !DeepEqualWithNils(to[i].LivenessProbe, from[i].LivenessProbe) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"LivenessProbe", "from", to[i].LivenessProbe, "to", from[i].LivenessProbe)
				to[i].LivenessProbe = from[i].LivenessProbe
			}

			if !DeepEqualWithNils(to[i].ReadinessProbe, from[i].ReadinessProbe) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"ReadinessProbe", "from", to[i].ReadinessProbe, "to", from[i].ReadinessProbe)
				to[i].ReadinessProbe = from[i].ReadinessProbe
			}

			if !DeepEqualWithNils(to[i].StartupProbe, from[i].StartupProbe) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"StartupProbe", "from", to[i].StartupProbe, "to", from[i].StartupProbe)
				to[i].StartupProbe = from[i].StartupProbe
			}

			if !DeepEqualWithNils(to[i].Lifecycle, from[i].Lifecycle) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"Lifecycle", "from", to[i].Lifecycle, "to", from[i].Lifecycle)
				to[i].Lifecycle = from[i].Lifecycle
			}

			if from[i].TerminationMessagePath != "" && !DeepEqualWithNils(to[i].TerminationMessagePath, from[i].TerminationMessagePath) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"TerminationMessagePath", "from", to[i].TerminationMessagePath, "to", from[i].TerminationMessagePath)
				to[i].TerminationMessagePath = from[i].TerminationMessagePath
			}

			if from[i].TerminationMessagePolicy != "" && !DeepEqualWithNils(to[i].TerminationMessagePolicy, from[i].TerminationMessagePolicy) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"TerminationMessagePolicy", "from", to[i].TerminationMessagePolicy, "to", from[i].TerminationMessagePolicy)
				to[i].TerminationMessagePolicy = from[i].TerminationMessagePolicy
			}

			if !DeepEqualWithNils(to[i].SecurityContext, from[i].SecurityContext) {
				requireUpdate = true
				logger.Info("Update required because field changed", "field", containerBasePath+"SecurityContext", "from", to[i].SecurityContext, "to", from[i].SecurityContext)
				to[i].SecurityContext = from[i].SecurityContext
			}
		}
	}
	return requireUpdate
}