// UnloadPlugin unloads a plugin from the LoadedPlugins table
func (p *pluginManager) UnloadPlugin(pl core.Plugin) (*loadedPlugin, serror.SnapError) {
plugin, err := p.loadedPlugins.get(fmt.Sprintf("%s:%s:%d", pl.TypeName(), pl.Name(), pl.Version()))
if err != nil {
se := serror.New(ErrPluginNotFound, map[string]interface{}{
"plugin-name": pl.Name(),
"plugin-version": pl.Version(),
"plugin-type": pl.TypeName(),
})
return nil, se
}
if plugin.State != LoadedState {
se := serror.New(ErrPluginNotInLoadedState, map[string]interface{}{
"plugin-name": plugin.Name(),
"plugin-version": plugin.Version(),
"plugin-type": pl.TypeName(),
})
return nil, se
}
// If the plugin has been uploaded via REST API
// aka, was not auto loaded from auto_discover_path
// nor loaded from tests
// then do clean up
if !plugin.Details.IsAutoLoaded {
pmLogger.WithFields(log.Fields{
"plugin-type": plugin.TypeName(),
"plugin-name": plugin.Name(),
"plugin-version": plugin.Version(),
"plugin-path": plugin.Details.Path,
}).Debugf("Removing plugin")
if err := os.RemoveAll(filepath.Dir(plugin.Details.Path)); err != nil {
pmLogger.WithFields(log.Fields{
"plugin-type": plugin.TypeName(),
"plugin-name": plugin.Name(),
"plugin-version": plugin.Version(),
"plugin-path": plugin.Details.Path,
}).Error(err)
se := serror.New(err)
se.SetFields(map[string]interface{}{
"plugin-type": plugin.TypeName(),
"plugin-name": plugin.Name(),
"plugin-version": plugin.Version(),
"plugin-path": plugin.Details.Path,
})
return nil, se
}
}
p.loadedPlugins.remove(plugin.Key())
// Remove any metrics from the catalog if this was a collector
if plugin.TypeName() == "collector" {
p.metricCatalog.RmUnloadedPluginMetrics(plugin)
}
return plugin, nil
}
func containsPlugin(slice []core.SubscribedPlugin, lookup subscribedPlugin) bool {
for _, plugin := range slice {
if plugin.Name() == lookup.Name() &&
plugin.Version() == lookup.Version() &&
plugin.TypeName() == lookup.TypeName() {
return true
}
}
return false
}