func readConfig(bytes []byte, 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{})
for _, conf := range files {
content, err := readConfigFile(conf)
if err != nil {
return nil, err
}
right := make(map[interface{}]interface{})
err = yaml.Unmarshal(content, &right)
if err != nil {
return nil, err
}
left = util.MapsUnion(left, right, util.Replace)
}
if bytes != nil && len(bytes) > 0 {
right := make(map[interface{}]interface{})
if err := yaml.Unmarshal(bytes, &right); err != nil {
return nil, err
}
left = util.MapsUnion(left, right, util.Replace)
}
return left, 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 TestMapsUnion(t *testing.T) {
assert := require.New(t)
m0 := map[interface{}]interface{}{"a": 1, "b": map[interface{}]interface{}{"c": 3}, "d": "4"}
m1 := util.MapCopy(m0)
m1["e"] = "added"
m1["d"] = "replaced"
delete(m0, "a")
b1 := m1["b"].(map[interface{}]interface{})
delete(b1, "c")
expected := map[interface{}]interface{}{"a": 1, "b": map[interface{}]interface{}{"c": 3}, "d": "replaced", "e": "added"}
assert.Equal(expected, util.MapsUnion(m0, m1, util.Replace))
}
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 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
}