cloudinit/initialize/meta_data.go

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package initialize
import (
"encoding/json"
)
func ParseMetaData(contents string) (cfg CloudConfig, err error) {
var metadata struct {
SSHAuthorizedKeyMap map[string]string `json:"public_keys"`
Hostname string `json:"hostname"`
NetworkConfig struct {
ContentPath string `json:"content_path"`
} `json:"network_config"`
}
if err = json.Unmarshal([]byte(contents), &metadata); err != nil {
return
}
cfg.SSHAuthorizedKeys = make([]string, 0, len(metadata.SSHAuthorizedKeyMap))
for _, key := range metadata.SSHAuthorizedKeyMap {
cfg.SSHAuthorizedKeys = append(cfg.SSHAuthorizedKeys, key)
}
cfg.Hostname = metadata.Hostname
cfg.NetworkConfigPath = metadata.NetworkConfig.ContentPath
return
}