64 lines
1.7 KiB
Go
64 lines
1.7 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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// DefaultAdmissionControllers are admission controllers we default to
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var DefaultAdmissionControllers = []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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// ServiceClusterIP returns the first IP of the ServiceCIDR
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func ServiceClusterIP(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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// DNSIP returns x.x.x.10 of the service CIDR
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func DNSIP(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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// AlternateDNS returns a list of alternate names for a domain
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func AlternateDNS(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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