func (c *CloudConfig) Merge(values map[interface{}]interface{}) (*CloudConfig, error) {
d := map[interface{}]interface{}{}
if err := util.Convert(c, &d); err != nil {
return c, err
}
r := util.MapsUnion(d, StringifyValues(values))
t := &CloudConfig{}
if err := util.Convert(r, t); err != nil {
return c, err
}
return t, nil
}
func filterDottedKeys(data map[interface{}]interface{}, keys []string) (filtered, rest map[interface{}]interface{}) {
filtered = map[interface{}]interface{}{}
rest = util.MapCopy(data)
for _, key := range keys {
f, r := filterKey(data, strings.Split(key, "."))
filtered = util.MapsUnion(filtered, f)
rest = util.MapsIntersection(rest, r)
}
return
}
func readConfig(bytes []byte, substituteMetadataVars bool, files ...string) (map[interface{}]interface{}, error) {
// You can't just overlay yaml bytes on to maps, it won't merge, but instead
// just override the keys and not merge the map values.
left := make(map[interface{}]interface{})
metadata := readMetadata()
for _, file := range files {
content, err := readConfigFile(file)
if err != nil {
return nil, err
}
if len(content) == 0 {
continue
}
if substituteMetadataVars {
content = substituteVars(content, metadata)
}
right := make(map[interface{}]interface{})
err = yaml.Unmarshal(content, &right)
if err != nil {
return nil, err
}
left = util.MapsUnion(left, right)
}
if bytes != nil && len(bytes) > 0 {
right := make(map[interface{}]interface{})
if substituteMetadataVars {
bytes = substituteVars(bytes, metadata)
}
if err := yaml.Unmarshal(bytes, &right); err != nil {
return nil, err
}
left = util.MapsUnion(left, right)
}
return left, nil
}