Plugins: Use suffix for plugin directory (#71375)

* plugin dir suffix

* fix whitespace

* fix cli

* fix tests

* fixup

* simplify

* undo uninstall changes

pkg/cmd/grafana-cli/commands/install_command.go

@@ -5,11 +5,11 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"path/filepath"
 	"runtime"
 	"strings"
 
 	"github.com/fatih/color"
+
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/logger"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/models"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/services"
@@ -73,6 +73,14 @@ func installCommand(c utils.CommandLine) error {
 // installPlugin downloads the plugin code as a zip file from the Grafana.com API
 // and then extracts the zip into the plugin's directory.
 func installPlugin(ctx context.Context, pluginID, version string, c utils.CommandLine) error {
+	// If a version is specified, check if it is already installed
+	if version != "" {
+		if services.PluginVersionInstalled(pluginID, version, c.PluginDirectory()) {
+			services.Logger.Successf("Plugin %s v%s already installed.", pluginID, version)
+			return nil
+		}
+	}
+
 	repository := repo.NewManager(repo.ManagerCfg{
 		SkipTLSVerify: c.Bool("insecure"),
 		BaseURL:       c.PluginRepoURL(),
@@ -95,7 +103,7 @@ func installPlugin(ctx context.Context, pluginID, version string, c utils.Comman
 	}
 
 	pluginFs := storage.FileSystem(services.Logger, c.PluginDirectory())
-	extractedArchive, err := pluginFs.Extract(ctx, pluginID, archive.File)
+	extractedArchive, err := pluginFs.Extract(ctx, pluginID, storage.SimpleDirNameGeneratorFunc, archive.File)
 	if err != nil {
 		return err
 	}
@@ -107,7 +115,7 @@ func installPlugin(ctx context.Context, pluginID, version string, c utils.Comman
 			return fmt.Errorf("%v: %w", fmt.Sprintf("failed to download plugin %s from repository", dep.ID), err)
 		}
 
-		_, err = pluginFs.Extract(ctx, dep.ID, d.File)
+		_, err = pluginFs.Extract(ctx, dep.ID, storage.SimpleDirNameGeneratorFunc, d.File)
 		if err != nil {
 			return err
 		}
@@ -117,16 +125,21 @@ func installPlugin(ctx context.Context, pluginID, version string, c utils.Comman
 
 // uninstallPlugin removes the plugin directory
 func uninstallPlugin(_ context.Context, pluginID string, c utils.CommandLine) error {
-	logger.Infof("Removing plugin: %v\n", pluginID)
-
-	pluginPath := filepath.Join(c.PluginDirectory(), pluginID)
-	fs := plugins.NewLocalFS(pluginPath)
-
-	logger.Debugf("Removing directory %v\n", pluginPath)
-	err := fs.Remove()
-	if err != nil {
-		return err
+	for _, bundle := range services.GetLocalPlugins(c.PluginDirectory()) {
+		if bundle.Primary.JSONData.ID == pluginID {
+			logger.Infof("Removing plugin: %v\n", pluginID)
+			if remover, ok := bundle.Primary.FS.(plugins.FSRemover); ok {
+				logger.Debugf("Removing directory %v\n\n", bundle.Primary.FS.Base())
+				if err := remover.Remove(); err != nil {
+					return err
+				}
+				return nil
+			} else {
+				return fmt.Errorf("plugin %v is immutable and therefore cannot be uninstalled", pluginID)
+			}
+		}
 	}
+
 	return nil
 }