/
config.go
104 lines (82 loc) · 1.8 KB
/
config.go
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package config
import (
"errors"
"log"
"os"
"github.com/go-yaml/yaml"
)
type BackupSrc = string
type BackupDst = string
type VaultName = string
type AwsSharedProfile = string
type BackupConfig struct {
Src BackupSrc `yaml:"src"`
Dst BackupDst `yaml:"dst"`
CanChange bool `yaml:"canChange"`
Keep bool `yaml:"keep"`
Vault VaultName `yaml:"vault"`
Pass string `yaml:"password"`
}
type AWSConfig struct {
Profile string `yaml:"profile"`
AccountID string `yaml:"account"`
}
type DB struct {
Path string `yaml:"path"`
}
type Config struct {
Backups []BackupConfig `yaml:"backup"`
AWS AWSConfig `yaml:"aws"`
Db DB `yaml:"db"`
}
func (c *Config) validate() error {
for _, backup := range c.Backups {
if err := backup.validate(); err != nil {
return err
}
}
if err := c.AWS.validate(); err != nil {
return err
}
return nil
}
func (c *BackupConfig) validate() error {
if len(c.Src) == 0 || len(c.Dst) == 0 {
return errors.New("Backup src and dst cannot be empty")
}
if _, err := os.Stat(c.Src); os.IsNotExist(err) {
return err
}
if _, err := os.Stat(c.Dst); os.IsNotExist(err) {
return err
}
if len(c.Vault) == 0 {
return errors.New("Vault name cannot be empty")
}
return nil
}
func (c *AWSConfig) validate() error {
if len(c.Profile) == 0 {
return errors.New("AWS profile cannot be empty")
}
if len(c.AccountID) == 0 {
return errors.New("AWS profile cannot be empty")
}
return nil
}
func NewConfig(path string) (*Config, error) {
fd, err := os.Open(path)
if err != nil {
log.Println("Cannot open config file")
return nil, err
}
defer fd.Close()
var cfg Config
decoder := yaml.NewDecoder(fd)
err = decoder.Decode(&cfg)
if err != nil {
return nil, err
}
err = cfg.validate()
return &cfg, err
}