mirror of
https://github.com/gravitational/teleport
synced 2024-10-21 17:53:28 +00:00
8b81a0c384
Update following packages: * Replace Sirupsen/log with sirupsen/log everywhere * Update etcd client to 3.2.4 * Update docker/term to moby/term * Update kr/pty to v1.0.0 release * Update K8s client to 2.0
78 lines
2 KiB
Go
78 lines
2 KiB
Go
/*
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Copyright 2015 Gravitational, Inc.
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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 utils
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import (
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"encoding/json"
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"io/ioutil"
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"github.com/gravitational/trace"
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log "github.com/sirupsen/logrus"
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)
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// AddrStorage is used to store information locally for
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// every client that connects in the cluster, so it can always have
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// up-to-date info about auth servers
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type AddrStorage interface {
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// SetAddresses saves addresses
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SetAddresses([]NetAddr) error
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// GetAddresses
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GetAddresses() ([]NetAddr, error)
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}
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// FileAddrStorage is a file based address storage
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type FileAddrStorage struct {
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filePath string
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}
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// SetAddresses updates storage with new address list
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func (fs *FileAddrStorage) SetAddresses(addrs []NetAddr) error {
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bytes, err := json.Marshal(addrs)
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if err != nil {
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return trace.Wrap(err)
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}
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err = ioutil.WriteFile(fs.filePath, bytes, 0666)
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if err != nil {
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log.Error(err)
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return trace.ConvertSystemError(err)
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}
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return nil
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}
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// GetAddresses returns saved address list
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func (fs *FileAddrStorage) GetAddresses() ([]NetAddr, error) {
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bytes, err := ioutil.ReadFile(fs.filePath)
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if err != nil {
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return nil, trace.ConvertSystemError(err)
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}
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var addrs []NetAddr
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if len(bytes) > 0 {
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err = json.Unmarshal(bytes, &addrs)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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}
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return addrs, nil
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}
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// NewFileAddrStorage returns new instance of file-based address storage
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func NewFileAddrStorage(filePath string) *FileAddrStorage {
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return &FileAddrStorage{
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filePath: filePath,
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}
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}
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