50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
/*
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Copyright 2020 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 kubeadm
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import (
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"net"
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"strconv"
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netutils "k8s.io/utils/net"
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"github.com/pkg/errors"
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)
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// APIEndpointFromString returns an APIEndpoint struct based on a "host:port" raw string.
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func APIEndpointFromString(apiEndpoint string) (APIEndpoint, error) {
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apiEndpointHost, apiEndpointPortStr, err := net.SplitHostPort(apiEndpoint)
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if err != nil {
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return APIEndpoint{}, errors.Wrapf(err, "invalid advertise address endpoint: %s", apiEndpoint)
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}
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if netutils.ParseIPSloppy(apiEndpointHost) == nil {
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return APIEndpoint{}, errors.Errorf("invalid API endpoint IP: %s", apiEndpointHost)
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}
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apiEndpointPort, err := net.LookupPort("tcp", apiEndpointPortStr)
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if err != nil {
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return APIEndpoint{}, errors.Wrapf(err, "invalid advertise address endpoint port: %s", apiEndpointPortStr)
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}
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return APIEndpoint{
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AdvertiseAddress: apiEndpointHost,
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BindPort: int32(apiEndpointPort),
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}, nil
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}
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func (endpoint *APIEndpoint) String() string {
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return net.JoinHostPort(endpoint.AdvertiseAddress, strconv.FormatInt(int64(endpoint.BindPort), 10))
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}
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