cloudinit/initialize/ssh_keys.go

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package initialize
import (
"encoding/json"
"fmt"
"github.com/coreos/coreos-cloudinit/httpbackoff"
"github.com/coreos/coreos-cloudinit/system"
)
type UserKey struct {
ID int `json:"id,omitempty"`
Key string `json:"key"`
}
func SSHImportKeysFromURL(system_user string, url string) error {
keys, err := fetchUserKeys(url)
if err != nil {
return err
}
key_name := fmt.Sprintf("coreos-cloudinit-%s", system_user)
return system.AuthorizeSSHKeys(system_user, key_name, keys)
}
func fetchUserKeys(url string) ([]string, error) {
client := httpbackoff.NewHttpClient()
data, err := client.Get(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
}