func saveCloudConfig() error {
var userDataBytes []byte
var metadata datasource.Metadata
ds, err := currentDatasource()
if err != nil {
log.Errorf("Failed to select datasource: %v", err)
return err
}
if ds != nil {
log.Infof("Fetching user-data from datasource %v", ds.Type())
userDataBytes, err = ds.FetchUserdata()
if err != nil {
log.Errorf("Failed fetching user-data from datasource: %v", err)
return err
}
log.Infof("Fetching meta-data from datasource of type %v", ds.Type())
metadata, err = ds.FetchMetadata()
if err != nil {
log.Errorf("Failed fetching meta-data from datasource: %v", err)
return err
}
}
userDataBytes = substituteUserDataVars(userDataBytes, metadata)
userData := string(userDataBytes)
scriptBytes := []byte{}
if config.IsScript(userData) {
scriptBytes = userDataBytes
userDataBytes = []byte{}
} else if isCompose(userData) {
if userDataBytes, err = toCompose(userDataBytes); err != nil {
log.Errorf("Failed to convert to compose syntax: %v", err)
return err
}
} else if config.IsCloudConfig(userData) {
if rancherConfig.ReadConfig(userDataBytes) == nil {
log.WithFields(log.Fields{"cloud-config": userData}).Warn("Failed to parse cloud-config, not saving.")
userDataBytes = []byte{}
}
} else {
log.Errorf("Unrecognized cloud-init\n%s", userData)
userDataBytes = []byte{}
}
userDataBytesMerged, scriptBytes, err := mergeBaseConfig(userDataBytes, scriptBytes)
if err != nil {
log.Errorf("Failed to merge base config: %v", err)
} else if rancherConfig.ReadConfig(userDataBytesMerged) == nil {
log.WithFields(log.Fields{"cloud-config": userData}).Warn("Failed to parse merged cloud-config, not merging.")
} else {
userDataBytes = userDataBytesMerged
}
return saveFiles(userDataBytes, scriptBytes, metadata)
}
func runImages(c *cli.Context) {
configFile := c.String("input")
cfg := config.ReadConfig(configFile)
if cfg == nil {
log.Fatalf("Could not read config from file %v", configFile)
}
images := imagesFromConfig(cfg)
fmt.Println(strings.Join(images, " "))
}
func runImages(c *cli.Context) {
configFile := c.String("input")
cfg, err := config.ReadConfig(nil, false, configFile)
if err != nil {
log.WithFields(log.Fields{"err": err, "file": configFile}).Fatalf("Could not read config from file")
}
images := imagesFromConfig(cfg)
fmt.Println(strings.Join(images, " "))
}