autorestic/internal/backend.go

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2021-04-08 23:55:10 +00:00
package internal
import (
"fmt"
)
type Backend struct {
Type string `mapstructure:"type"`
Path string `mapstructure:"path"`
Key string `mapstructure:"key"`
Env map[string]string `mapstructure:"env"`
}
func (b Backend) generateRepo() (string, error) {
switch b.Type {
case "local":
return GetPathRelativeToConfig(b.Path), nil
case "b2", "azure", "gs", "s3", "sftp", "rest":
return fmt.Sprintf("%s:%s", b.Type, b.Path), nil
default:
return "", fmt.Errorf("backend type \"%s\" is invalid", b.Type)
}
}
func (b Backend) getEnv() map[string]string {
env := make(map[string]string)
env["RESTIC_PASSWORD"] = b.Key
repo, err := b.generateRepo()
if err != nil {
panic(err)
}
env["RESTIC_REPOSITORY"] = repo
return env
}
func (b Backend) validate() error {
options := ExecuteOptions{Envs: b.getEnv()}
// Check if already initialized
_, err := ExecuteResticCommand(options, "snapshots")
if err == nil {
return nil
} else {
// If not initialize
out, err := ExecuteResticCommand(options, "init")
fmt.Println(out)
return err
}
}
func (b Backend) Exec(args []string) error {
options := ExecuteOptions{Envs: b.getEnv()}
out, err := ExecuteResticCommand(options, args...)
fmt.Println(out)
return err
}