73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 util
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import (
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"net"
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"github.com/pkg/errors"
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)
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// These constants are used by both minikube
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const (
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APIServerPort = 8443
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DefaultDNSDomain = "cluster.local"
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)
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// DefaultV114AdmissionControllers are admission controllers we default to in v1.14.x
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var DefaultV114AdmissionControllers = []string{
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"NamespaceLifecycle",
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"LimitRanger",
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"ServiceAccount",
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"DefaultStorageClass",
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"DefaultTolerationSeconds",
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"NodeRestriction",
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"MutatingAdmissionWebhook",
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"ValidatingAdmissionWebhook",
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"ResourceQuota",
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}
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// DefaultLegacyAdmissionControllers are admission controllers we include with Kubernetes <1.14.0
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var DefaultLegacyAdmissionControllers = append([]string{"Initializers"}, DefaultV114AdmissionControllers...)
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// GetServiceClusterIP returns the first IP of the ServiceCIDR
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func GetServiceClusterIP(serviceCIDR string) (net.IP, error) {
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ip, _, err := net.ParseCIDR(serviceCIDR)
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if err != nil {
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return nil, errors.Wrap(err, "parsing default service cidr")
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}
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ip = ip.To4()
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ip[3]++
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return ip, nil
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}
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// GetDNSIP returns x.x.x.10 of the service CIDR
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func GetDNSIP(serviceCIDR string) (net.IP, error) {
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ip, _, err := net.ParseCIDR(serviceCIDR)
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if err != nil {
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return nil, errors.Wrap(err, "parsing default service cidr")
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}
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ip = ip.To4()
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ip[3] = 10
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return ip, nil
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}
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// GetAlternateDNS returns a list of alternate names for a domain
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func GetAlternateDNS(domain string) []string {
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return []string{"kubernetes.default.svc." + domain, "kubernetes.default.svc", "kubernetes.default", "kubernetes", "localhost"}
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}
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