func readEnvFile(configLookup ConfigLookup, inFile string, serviceData rawService) (rawService, error) {
var config ServiceConfig
if err := util.Convert(serviceData, &config); err != nil {
return nil, err
}
if len(config.EnvFile.Slice()) == 0 {
return serviceData, nil
}
if configLookup == nil {
return nil, fmt.Errorf("Can not use env_file in file %s no mechanism provided to load files", inFile)
}
vars := config.Environment.Slice()
for i := len(config.EnvFile.Slice()) - 1; i >= 0; i-- {
envFile := config.EnvFile.Slice()[i]
content, _, err := configLookup.Lookup(envFile, inFile)
if err != nil {
return nil, err
}
if err != nil {
return nil, err
}
scanner := bufio.NewScanner(bytes.NewBuffer(content))
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
key := strings.SplitAfter(line, "=")[0]
found := false
for _, v := range vars {
if strings.HasPrefix(v, key) {
found = true
break
}
}
if !found {
vars = append(vars, line)
}
}
if scanner.Err() != nil {
return nil, scanner.Err()
}
}
serviceData["environment"] = vars
delete(serviceData, "env_file")
return serviceData, nil
}
func Merge(p *Project, bytes []byte) (map[string]*ServiceConfig, error) {
configs := make(map[string]*ServiceConfig)
datas := make(rawServiceMap)
err := yaml.Unmarshal(bytes, &datas)
if err != nil {
logrus.Fatalf("Could not parse config for project %s : %v", p.Name, err)
}
for name, data := range datas {
data, err := parse(p.ConfigLookup, p.File, data, datas)
if err != nil {
logrus.Errorf("Failed to parse service %s: %v", name, err)
return nil, err
}
datas[name] = data
}
err = util.Convert(datas, &configs)
return configs, err
}