/
config.go
100 lines (77 loc) · 2.53 KB
/
config.go
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/*
This work is licensed and released under GNU GPL v3 or any other later versions.
The full text of the license is below/ found at <http://www.gnu.org/licenses/>
(c) 2023 Rocket Pool Pty Ltd. Modified under GNU GPL v3. [1.5.0]
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package stdr
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/alessio/shellescape"
"github.com/stader-labs/stader-node/shared/services/config"
"gopkg.in/yaml.v2"
)
const (
upgradeFlagFile string = ".firstrun"
)
// Loads a config without updating it if it exists
func LoadConfigFromFile(path string) (*config.StaderConfig, error) {
_, err := os.Stat(path)
if os.IsNotExist(err) {
return nil, nil
}
cfg, err := config.LoadFromFile(path)
if err != nil {
return nil, err
}
return cfg, nil
}
// Saves a config and removes the upgrade flag file
func SaveConfig(cfg *config.StaderConfig, path string) error {
settings := cfg.Serialize()
configBytes, err := yaml.Marshal(settings)
if err != nil {
return fmt.Errorf("could not serialize settings file: %w", err)
}
if err := ioutil.WriteFile(path, configBytes, 0664); err != nil {
return fmt.Errorf("could not write Stader config to %s: %w", shellescape.Quote(path), err)
}
return nil
}
// Checks if this is the first run of the configurator after an install
func IsFirstRun(configDir string) bool {
upgradeFilePath := filepath.Join(configDir, upgradeFlagFile)
// Load the config normally if the upgrade flag file isn't there
_, err := os.Stat(upgradeFilePath)
if os.IsNotExist(err) {
return false
}
return true
}
// Remove the upgrade flag file
func RemoveUpgradeFlagFile(configDir string) error {
// Check for the upgrade flag file
upgradeFilePath := filepath.Join(configDir, upgradeFlagFile)
_, err := os.Stat(upgradeFilePath)
if os.IsNotExist(err) {
return nil
}
// Delete the upgrade flag file
err = os.Remove(upgradeFilePath)
if err != nil {
return fmt.Errorf("error removing upgrade flag file: %w", err)
}
return nil
}