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99204e1ff7
* Remove individually vendored k8s.io/kubernetes/pkg/<foo> * Vendor the whole of vendor/k8s.io/kubernetes/pkg * Add k8s pod log control * Tag pods with host id and include them in the host topology as children. * adding a basic test for kubernetes.Reporter.GetLogs
55 lines
1.7 KiB
Go
55 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 service
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import (
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"fmt"
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"strings"
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netsets "k8s.io/kubernetes/pkg/util/net/sets"
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)
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const (
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defaultLoadBalancerSourceRanges = "0.0.0.0/0"
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)
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// IsAllowAll checks whether the netsets.IPNet allows traffic from 0.0.0.0/0
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func IsAllowAll(ipnets netsets.IPNet) bool {
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for _, s := range ipnets.StringSlice() {
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if s == "0.0.0.0/0" {
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return true
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}
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}
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return false
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}
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// GetLoadBalancerSourceRanges verifies and parses the AnnotationLoadBalancerSourceRangesKey annotation from a service,
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// extracting the source ranges to allow, and if not present returns a default (allow-all) value.
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func GetLoadBalancerSourceRanges(annotations map[string]string) (netsets.IPNet, error) {
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val := annotations[AnnotationLoadBalancerSourceRangesKey]
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val = strings.TrimSpace(val)
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if val == "" {
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val = defaultLoadBalancerSourceRanges
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}
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specs := strings.Split(val, ",")
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ipnets, err := netsets.ParseIPNets(specs...)
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if err != nil {
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return nil, fmt.Errorf("Service annotation %s:%s is not valid. Expecting a comma-separated list of source IP ranges. For example, 10.0.0.0/24,192.168.2.0/24", AnnotationLoadBalancerSourceRangesKey, val)
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}
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return ipnets, nil
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}
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