Added --pluginUrl option to grafana-cli for local network plugin installation

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

@@ -58,37 +58,39 @@ func installCommand(c CommandLine) error {
 }
 
 func InstallPlugin(pluginName, version string, c CommandLine) error {
-	plugin, err := s.GetPlugin(pluginName, c.RepoDirectory())
 	pluginFolder := c.PluginDirectory()
-	if err != nil {
-		return err
+	downloadURL := c.PluginURL()
+	if downloadURL == "" {
+		plugin, err := s.GetPlugin(pluginName, c.RepoDirectory())
+		if err != nil {
+			return err
+		}
+
+		v, err := SelectVersion(plugin, version)
+		if err != nil {
+			return err
+		}
+
+		if version == "" {
+			version = v.Version
+		}
+		downloadURL = fmt.Sprintf("%s/%s/versions/%s/download",
+			c.GlobalString("repo"),
+			pluginName,
+			version)
 	}
 
-	v, err := SelectVersion(plugin, version)
-	if err != nil {
-		return err
-	}
-
-	if version == "" {
-		version = v.Version
-	}
-
-	downloadURL := fmt.Sprintf("%s/%s/versions/%s/download",
-		c.GlobalString("repo"),
-		pluginName,
-		version)
-
-	logger.Infof("installing %v @ %v\n", plugin.Id, version)
+	logger.Infof("installing %v @ %v\n", pluginName, version)
 	logger.Infof("from url: %v\n", downloadURL)
 	logger.Infof("into: %v\n", pluginFolder)
 	logger.Info("\n")
 
-	err = downloadFile(plugin.Id, pluginFolder, downloadURL)
+	err := downloadFile(pluginName, pluginFolder, downloadURL)
 	if err != nil {
 		return err
 	}
 
-	logger.Infof("%s Installed %s successfully \n", color.GreenString("✔"), plugin.Id)
+	logger.Infof("%s Installed %s successfully \n", color.GreenString("✔"), pluginName)
 
 	res, _ := s.ReadPlugin(pluginFolder, pluginName)
 	for _, v := range res.Dependencies.Plugins {