vorteil/vorteil

package vconvert

/**
 * SPDX-License-Identifier: Apache-2.0
 * Copyright 2020 vorteil.io Pty Ltd
 */

import (
    "fmt"

    "github.com/vorteil/vorteil/pkg/elog"

    "github.com/mitchellh/go-homedir"
    "github.com/spf13/viper"
)

const (
    configFileName = "vconvert.yaml"
)

// reads in config file, uses defaults if not found
func initConfig(cfgFile string, log elog.View) {

    if cfgFile != "" {
        viper.SetConfigFile(cfgFile)
    } else {
        home, err := homedir.Dir()
        if err != nil {
            goto loadDefaults
        }
        viper.AddConfigPath(home)
        viper.SetConfigName(configFileName)
    }

loadDefaults:
    if err := viper.ReadInConfig(); err == nil {
        log.Debugf("using config file: %s", viper.ConfigFileUsed())
    } else {
        if err != nil {
            log.Debugf("%s", err.Error())
        }
        log.Debugf("using default repositories")
        viper.SetDefault("repositories",
            map[string]interface{}{
                "docker.io":         map[string]interface{}{"url": "https://registry-1.docker.io"},
                "mcr.microsoft.com": map[string]interface{}{"url": "https://mcr.microsoft.com"},
                "gcr.io":            map[string]interface{}{"url": "https://gcr.io"},
            })
    }
}

func fetchRepoConfig(repo string) (map[string]interface{}, error) {

    repositoriesMap := viper.Get(configRepo)
    if repositoriesMap == nil {
        return nil, fmt.Errorf("No repositories specified")
    }

    repositoryMap := repositoriesMap.(map[string]interface{})[repo]

    if repositoryMap == nil {
        return nil, fmt.Errorf("No repository with name %s specified", repo)
    }

    return repositoryMap.(map[string]interface{}), nil
}