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ssh_keys.go
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/
ssh_keys.go
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// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package initialize
import (
"encoding/json"
"fmt"
"github.com/rancher/os/config/cloudinit/pkg"
"github.com/rancher/os/config/cloudinit/system"
)
type UserKey struct {
ID int `json:"id,omitempty"`
Key string `json:"key"`
}
func SSHImportKeysFromURL(systemUser string, url string) error {
keys, err := fetchUserKeys(url)
if err != nil {
return err
}
keyName := fmt.Sprintf("coreos-cloudinit-%s", systemUser)
return system.AuthorizeSSHKeys(systemUser, keyName, keys)
}
func fetchUserKeys(url string) ([]string, error) {
client := pkg.NewHTTPClient()
data, err := client.GetRetry(url)
if err != nil {
return nil, err
}
var userKeys []UserKey
err = json.Unmarshal(data, &userKeys)
if err != nil {
return nil, err
}
keys := make([]string, 0)
for _, key := range userKeys {
keys = append(keys, key.Key)
}
return keys, err
}