예제 #1
0
파일: validation.go 프로젝트: jordic/k8s
func validateHTTPIngressRuleValue(httpIngressRuleValue *extensions.HTTPIngressRuleValue) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if len(httpIngressRuleValue.Paths) == 0 {
		allErrs = append(allErrs, validation.NewRequiredError("paths"))
	}
	for _, rule := range httpIngressRuleValue.Paths {
		if len(rule.Path) > 0 {
			if !strings.HasPrefix(rule.Path, "/") {
				allErrs = append(allErrs, validation.NewInvalidError("path", rule.Path, "path must begin with /"))
			}
			// TODO: More draconian path regex validation.
			// Path must be a valid regex. This is the basic requirement.
			// In addition to this any characters not allowed in a path per
			// RFC 3986 section-3.3 cannot appear as a literal in the regex.
			// Consider the example: http://host/valid?#bar, everything after
			// the last '/' is a valid regex that matches valid#bar, which
			// isn't a valid path, because the path terminates at the first ?
			// or #. A more sophisticated form of validation would detect that
			// the user is confusing url regexes with path regexes.
			_, err := regexp.CompilePOSIX(rule.Path)
			if err != nil {
				allErrs = append(allErrs, validation.NewInvalidError("path", rule.Path, "httpIngressRuleValue.path must be a valid regex."))
			}
		}
		allErrs = append(allErrs, validateIngressBackend(&rule.Backend).Prefix("backend")...)
	}
	return allErrs
}
예제 #2
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateClusterAutoscaler(autoscaler *extensions.ClusterAutoscaler) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if autoscaler.Name != "ClusterAutoscaler" {
		allErrs = append(allErrs, validation.NewInvalidError("name", autoscaler.Name, `name must be ClusterAutoscaler`))
	}
	if autoscaler.Namespace != api.NamespaceDefault {
		allErrs = append(allErrs, validation.NewInvalidError("namespace", autoscaler.Namespace, `namespace must be default`))
	}
	allErrs = append(allErrs, validateClusterAutoscalerSpec(autoscaler.Spec)...)
	return allErrs
}
예제 #3
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateJobSpec(spec *extensions.JobSpec) validation.ErrorList {
	allErrs := validation.ErrorList{}

	if spec.Parallelism != nil {
		allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Parallelism), "parallelism")...)
	}
	if spec.Completions != nil {
		allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Completions), "completions")...)
	}
	if spec.Selector == nil {
		allErrs = append(allErrs, validation.NewRequiredError("selector"))
	} else {
		allErrs = append(allErrs, ValidatePodSelector(spec.Selector).Prefix("selector")...)
	}

	if selector, err := extensions.PodSelectorAsSelector(spec.Selector); err == nil {
		labels := labels.Set(spec.Template.Labels)
		if !selector.Matches(labels) {
			allErrs = append(allErrs, validation.NewInvalidError("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
		}
	}

	allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template).Prefix("template")...)
	if spec.Template.Spec.RestartPolicy != api.RestartPolicyOnFailure &&
		spec.Template.Spec.RestartPolicy != api.RestartPolicyNever {
		allErrs = append(allErrs, validation.NewNotSupportedError("template.spec.restartPolicy",
			spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyOnFailure), string(api.RestartPolicyNever)}))
	}
	return allErrs
}
예제 #4
0
파일: validation.go 프로젝트: jordic/k8s
// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set.
func ValidateDaemonSetSpec(spec *extensions.DaemonSetSpec) validation.ErrorList {
	allErrs := validation.ErrorList{}

	allErrs = append(allErrs, ValidatePodSelector(spec.Selector)...)

	if spec.Template == nil {
		allErrs = append(allErrs, validation.NewRequiredError("template"))
		return allErrs
	}

	selector, err := extensions.PodSelectorAsSelector(spec.Selector)
	if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
		allErrs = append(allErrs, validation.NewInvalidError("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
	}

	allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(spec.Template).Prefix("template")...)
	// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
	allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes).Prefix("template.spec.volumes")...)
	// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
	if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
		allErrs = append(allErrs, validation.NewNotSupportedError("template.spec.restartPolicy", spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
	}

	return allErrs
}
예제 #5
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateThirdPartyResourceData(obj *extensions.ThirdPartyResourceData) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if len(obj.Name) == 0 {
		allErrs = append(allErrs, validation.NewInvalidError("name", obj.Name, "name must be non-empty"))
	}
	return allErrs
}
예제 #6
0
파일: events.go 프로젝트: jordic/k8s
// ValidateEvent makes sure that the event makes sense.
func ValidateEvent(event *api.Event) validation.ErrorList {
	allErrs := validation.ErrorList{}
	// There is no namespace required for node.
	if event.InvolvedObject.Kind == "Node" &&
		event.Namespace != "" {
		allErrs = append(allErrs, validation.NewInvalidError("involvedObject.namespace", event.InvolvedObject.Namespace, "namespace is not required for node"))
	}
	if event.InvolvedObject.Kind != "Node" &&
		event.Namespace != event.InvolvedObject.Namespace {
		allErrs = append(allErrs, validation.NewInvalidError("involvedObject.namespace", event.InvolvedObject.Namespace, "namespace does not match involvedObject"))
	}
	if !validation.IsDNS1123Subdomain(event.Namespace) {
		allErrs = append(allErrs, validation.NewInvalidError("namespace", event.Namespace, ""))
	}
	return allErrs
}
예제 #7
0
파일: validation.go 프로젝트: jordic/k8s
func ValidatePodSelectorRequirement(sr extensions.PodSelectorRequirement) validation.ErrorList {
	allErrs := validation.ErrorList{}
	switch sr.Operator {
	case extensions.PodSelectorOpIn, extensions.PodSelectorOpNotIn:
		if len(sr.Values) == 0 {
			allErrs = append(allErrs, validation.NewInvalidError("values", sr.Values, "must be non-empty when operator is In or NotIn"))
		}
	case extensions.PodSelectorOpExists, extensions.PodSelectorOpDoesNotExist:
		if len(sr.Values) > 0 {
			allErrs = append(allErrs, validation.NewInvalidError("values", sr.Values, "must be empty when operator is Exists or DoesNotExist"))
		}
	default:
		allErrs = append(allErrs, validation.NewInvalidError("operator", sr.Operator, "not a valid pod selector operator"))
	}
	allErrs = append(allErrs, apivalidation.ValidateLabelName(sr.Key, "key")...)
	return allErrs
}
예제 #8
0
파일: validation.go 프로젝트: jordic/k8s
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fieldName string) validation.ErrorList {
	allErrs := validation.ErrorList{}
	value, isPercent := getPercentValue(intOrStringValue)
	if !isPercent || value <= 100 {
		return nil
	}
	allErrs = append(allErrs, validation.NewInvalidError(fieldName, intOrStringValue, "should not be more than 100%"))
	return allErrs
}
예제 #9
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateScale(scale *extensions.Scale) validation.ErrorList {
	allErrs := validation.ErrorList{}
	allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&scale.ObjectMeta, true, apivalidation.NameIsDNSSubdomain).Prefix("metadata")...)

	if scale.Spec.Replicas < 0 {
		allErrs = append(allErrs, validation.NewInvalidError("spec.replicas", scale.Spec.Replicas, "must be non-negative"))
	}

	return allErrs
}
예제 #10
0
파일: validation.go 프로젝트: jordic/k8s
func validateIngressRules(IngressRules []extensions.IngressRule) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if len(IngressRules) == 0 {
		return append(allErrs, validation.NewRequiredError("IngressRules"))
	}
	for _, ih := range IngressRules {
		if len(ih.Host) > 0 {
			// TODO: Ports and ips are allowed in the host part of a url
			// according to RFC 3986, consider allowing them.
			if valid, errMsg := apivalidation.NameIsDNSSubdomain(ih.Host, false); !valid {
				allErrs = append(allErrs, validation.NewInvalidError("host", ih.Host, errMsg))
			}
			if isIP := (net.ParseIP(ih.Host) != nil); isIP {
				allErrs = append(allErrs, validation.NewInvalidError("host", ih.Host, "Host must be a DNS name, not ip address"))
			}
		}
		allErrs = append(allErrs, validateIngressRuleValue(&ih.IngressRuleValue).Prefix("ingressRule")...)
	}
	return allErrs
}
예제 #11
0
파일: validation.go 프로젝트: jordic/k8s
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fieldName string) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if intOrPercent.Type == intstr.String {
		if !validation.IsValidPercent(intOrPercent.StrVal) {
			allErrs = append(allErrs, validation.NewInvalidError(fieldName, intOrPercent, "value should be int(5) or percentage(5%)"))
		}
	} else if intOrPercent.Type == intstr.Int {
		allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(intOrPercent.IntVal), fieldName)...)
	}
	return allErrs
}
예제 #12
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateSubresourceReference(ref extensions.SubresourceReference) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if len(ref.Kind) == 0 {
		allErrs = append(allErrs, validation.NewRequiredError("kind"))
	} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Kind); !ok {
		allErrs = append(allErrs, validation.NewInvalidError("kind", ref.Kind, msg))
	}

	if len(ref.Name) == 0 {
		allErrs = append(allErrs, validation.NewRequiredError("name"))
	} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Name); !ok {
		allErrs = append(allErrs, validation.NewInvalidError("name", ref.Name, msg))
	}

	if len(ref.Subresource) == 0 {
		allErrs = append(allErrs, validation.NewRequiredError("subresource"))
	} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Subresource); !ok {
		allErrs = append(allErrs, validation.NewInvalidError("subresource", ref.Subresource, msg))
	}
	return allErrs
}
예제 #13
0
파일: validation.go 프로젝트: jordic/k8s
// validateIngressBackend tests if a given backend is valid.
func validateIngressBackend(backend *extensions.IngressBackend) validation.ErrorList {
	allErrs := validation.ErrorList{}

	// All backends must reference a single local service by name, and a single service port by name or number.
	if len(backend.ServiceName) == 0 {
		return append(allErrs, validation.NewRequiredError("serviceName"))
	} else if ok, errMsg := apivalidation.ValidateServiceName(backend.ServiceName, false); !ok {
		allErrs = append(allErrs, validation.NewInvalidError("serviceName", backend.ServiceName, errMsg))
	}
	if backend.ServicePort.Type == intstr.String {
		if !validation.IsDNS1123Label(backend.ServicePort.StrVal) {
			allErrs = append(allErrs, validation.NewInvalidError("servicePort", backend.ServicePort.StrVal, apivalidation.DNS1123LabelErrorMsg))
		}
		if !validation.IsValidPortName(backend.ServicePort.StrVal) {
			allErrs = append(allErrs, validation.NewInvalidError("servicePort", backend.ServicePort.StrVal, apivalidation.PortNameErrorMsg))
		}
	} else if !validation.IsValidPortNum(backend.ServicePort.IntValue()) {
		allErrs = append(allErrs, validation.NewInvalidError("servicePort", backend.ServicePort, apivalidation.PortRangeErrorMsg))
	}
	return allErrs
}
예제 #14
0
파일: validation.go 프로젝트: jordic/k8s
func validateHorizontalPodAutoscalerSpec(autoscaler extensions.HorizontalPodAutoscalerSpec) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if autoscaler.MinReplicas != nil && *autoscaler.MinReplicas < 1 {
		allErrs = append(allErrs, validation.NewInvalidError("minReplicas", autoscaler.MinReplicas, `must be bigger or equal to 1`))
	}
	if autoscaler.MaxReplicas < 1 {
		allErrs = append(allErrs, validation.NewInvalidError("maxReplicas", autoscaler.MaxReplicas, `must be bigger or equal to 1`))
	}
	if autoscaler.MinReplicas != nil && autoscaler.MaxReplicas < *autoscaler.MinReplicas {
		allErrs = append(allErrs, validation.NewInvalidError("maxReplicas", autoscaler.MaxReplicas, `must be bigger or equal to minReplicas`))
	}
	if autoscaler.CPUUtilization != nil && autoscaler.CPUUtilization.TargetPercentage < 1 {
		allErrs = append(allErrs, validation.NewInvalidError("cpuUtilization.targetPercentage", autoscaler.CPUUtilization.TargetPercentage, `must be bigger or equal to 1`))
	}
	if refErrs := ValidateSubresourceReference(autoscaler.ScaleRef); len(refErrs) > 0 {
		allErrs = append(allErrs, refErrs.Prefix("scaleRef")...)
	} else if autoscaler.ScaleRef.Subresource != "scale" {
		allErrs = append(allErrs, validation.NewNotSupportedError("scaleRef.subresource", autoscaler.ScaleRef.Subresource, []string{"scale"}))
	}
	return allErrs
}
예제 #15
0
파일: validation.go 프로젝트: jordic/k8s
// ValidateDaemonSetTemplateUpdate tests that certain fields in the daemon set's pod template are not updated.
func ValidateDaemonSetTemplateUpdate(podTemplate, oldPodTemplate *api.PodTemplateSpec) validation.ErrorList {
	allErrs := validation.ErrorList{}
	podSpec := podTemplate.Spec
	// podTemplate.Spec is not a pointer, so we can modify NodeSelector and NodeName directly.
	podSpec.NodeSelector = oldPodTemplate.Spec.NodeSelector
	podSpec.NodeName = oldPodTemplate.Spec.NodeName
	// In particular, we do not allow updates to container images at this point.
	if !api.Semantic.DeepEqual(oldPodTemplate.Spec, podSpec) {
		// TODO: Pinpoint the specific field that causes the invalid error after we have strategic merge diff
		allErrs = append(allErrs, validation.NewInvalidError("spec", "content of spec is not printed out, please refer to the \"details\"", "may not update fields other than spec.nodeSelector"))
	}
	return allErrs
}
예제 #16
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateRollingUpdateDeployment(rollingUpdate *extensions.RollingUpdateDeployment, fieldName string) validation.ErrorList {
	allErrs := validation.ErrorList{}
	allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fieldName+"maxUnavailable")...)
	allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fieldName+".maxSurge")...)
	if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
		// Both MaxSurge and MaxUnavailable cannot be zero.
		allErrs = append(allErrs, validation.NewInvalidError(fieldName+".maxUnavailable", rollingUpdate.MaxUnavailable, "cannot be 0 when maxSurge is 0 as well"))
	}
	// Validate that MaxUnavailable is not more than 100%.
	allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fieldName+".maxUnavailable")...)
	allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(rollingUpdate.MinReadySeconds), fieldName+".minReadySeconds")...)
	return allErrs
}
예제 #17
0
파일: validation.go 프로젝트: jordic/k8s
// ValidateIngressSpec tests if required fields in the IngressSpec are set.
func ValidateIngressSpec(spec *extensions.IngressSpec) validation.ErrorList {
	allErrs := validation.ErrorList{}
	// TODO: Is a default backend mandatory?
	if spec.Backend != nil {
		allErrs = append(allErrs, validateIngressBackend(spec.Backend).Prefix("backend")...)
	} else if len(spec.Rules) == 0 {
		allErrs = append(allErrs, validation.NewInvalidError("rules", spec.Rules, "Either a default backend or a set of host rules are required for ingress."))
	}
	if len(spec.Rules) > 0 {
		allErrs = append(allErrs, validateIngressRules(spec.Rules).Prefix("rules")...)
	}
	return allErrs
}
예제 #18
0
파일: validation.go 프로젝트: jordic/k8s
func validateClusterAutoscalerSpec(spec extensions.ClusterAutoscalerSpec) validation.ErrorList {
	allErrs := validation.ErrorList{}
	if spec.MinNodes < 0 {
		allErrs = append(allErrs, validation.NewInvalidError("minNodes", spec.MinNodes, `must be non-negative`))
	}
	if spec.MaxNodes < spec.MinNodes {
		allErrs = append(allErrs, validation.NewInvalidError("maxNodes", spec.MaxNodes, `must be bigger or equal to minNodes`))
	}
	if len(spec.TargetUtilization) == 0 {
		allErrs = append(allErrs, validation.NewRequiredError("targetUtilization"))
	}
	for _, target := range spec.TargetUtilization {
		if len(target.Resource) == 0 {
			allErrs = append(allErrs, validation.NewRequiredError("targetUtilization.resource"))
		}
		if target.Value <= 0 {
			allErrs = append(allErrs, validation.NewInvalidError("targetUtilization.value", target.Value, "must be greater than 0"))
		}
		if target.Value > 1 {
			allErrs = append(allErrs, validation.NewInvalidError("targetUtilization.value", target.Value, "must be less or equal 1"))
		}
	}
	return allErrs
}
예제 #19
0
파일: validation.go 프로젝트: jordic/k8s
func ValidateThirdPartyResource(obj *extensions.ThirdPartyResource) validation.ErrorList {
	allErrs := validation.ErrorList{}
	allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateThirdPartyResourceName).Prefix("metadata")...)

	versions := sets.String{}
	for ix := range obj.Versions {
		version := &obj.Versions[ix]
		if len(version.Name) == 0 {
			allErrs = append(allErrs, validation.NewInvalidError("name", version, "name can not be empty"))
		}
		if versions.Has(version.Name) {
			allErrs = append(allErrs, validation.NewDuplicateError("version", version))
		}
		versions.Insert(version.Name)
	}
	return allErrs
}