mirror of https://github.com/jetkvm/kvm.git
61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
package plugin
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import (
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"encoding/json"
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"fmt"
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"os"
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"sync"
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)
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const databaseFile = pluginsFolder + "/plugins.json"
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type PluginDatabase struct {
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// Map with the plugin name as the key
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Plugins map[string]*PluginInstall `json:"plugins"`
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saveMutex sync.Mutex
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}
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var pluginDatabase = PluginDatabase{}
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func (d *PluginDatabase) Load() error {
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file, err := os.Open(databaseFile)
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if os.IsNotExist(err) {
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d.Plugins = make(map[string]*PluginInstall)
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return nil
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}
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if err != nil {
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return fmt.Errorf("failed to open plugin database: %v", err)
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}
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defer file.Close()
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if err := json.NewDecoder(file).Decode(d); err != nil {
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return fmt.Errorf("failed to decode plugin database: %v", err)
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}
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return nil
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}
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func (d *PluginDatabase) Save() error {
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d.saveMutex.Lock()
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defer d.saveMutex.Unlock()
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file, err := os.Create(databaseFile + ".tmp")
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if err != nil {
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return fmt.Errorf("failed to create plugin database tmp: %v", err)
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}
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defer file.Close()
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encoder := json.NewEncoder(file)
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encoder.SetIndent("", " ")
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if err := encoder.Encode(d); err != nil {
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return fmt.Errorf("failed to encode plugin database: %v", err)
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}
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if err := os.Rename(databaseFile+".tmp", databaseFile); err != nil {
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return fmt.Errorf("failed to move plugin database to active file: %v", err)
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}
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return nil
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}
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