70 lines
2.6 KiB
Go
70 lines
2.6 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package options
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import (
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"fmt"
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)
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// TODO: Longer term we should read this from some config store, rather than a flag.
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func validateClusterIPFlags(options *ServerRunOptions) []error {
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errors := []error{}
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if options.ServiceClusterIPRange.IP == nil {
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errors = append(errors, fmt.Errorf("no --service-cluster-ip-range specified"))
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}
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var ones, bits = options.ServiceClusterIPRange.Mask.Size()
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if bits-ones > 20 {
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errors = append(errors, fmt.Errorf("specified --service-cluster-ip-range is too large"))
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}
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return errors
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}
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func validateServiceNodePort(options *ServerRunOptions) []error {
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errors := []error{}
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if options.KubernetesServiceNodePort < 0 || options.KubernetesServiceNodePort > 65535 {
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errors = append(errors, fmt.Errorf("--kubernetes-service-node-port %v must be between 0 and 65535, inclusive. If 0, the Kubernetes master service will be of type ClusterIP", options.KubernetesServiceNodePort))
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}
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if options.KubernetesServiceNodePort > 0 && !options.ServiceNodePortRange.Contains(options.KubernetesServiceNodePort) {
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errors = append(errors, fmt.Errorf("kubernetes service port range %v doesn't contain %v", options.ServiceNodePortRange, (options.KubernetesServiceNodePort)))
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}
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return errors
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}
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// Validate checks ServerRunOptions and return a slice of found errors.
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func (options *ServerRunOptions) Validate() []error {
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var errors []error
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if errs := options.Etcd.Validate(); len(errs) > 0 {
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errors = append(errors, errs...)
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}
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if errs := validateClusterIPFlags(options); len(errs) > 0 {
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errors = append(errors, errs...)
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}
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if errs := validateServiceNodePort(options); len(errs) > 0 {
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errors = append(errors, errs...)
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}
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if errs := options.SecureServing.Validate(); len(errs) > 0 {
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errors = append(errors, errs...)
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}
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if errs := options.InsecureServing.Validate("insecure-port"); len(errs) > 0 {
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errors = append(errors, errs...)
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}
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if options.MasterCount <= 0 {
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errors = append(errors, fmt.Errorf("--apiserver-count should be a positive number, but value '%d' provided", options.MasterCount))
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}
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return errors
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}
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