How to use GetPluginDescriptor method of plugin Package

Best Gauge code snippet using plugin.GetPluginDescriptor

plugin.go

Source:plugin.go

...124		return "", err125	}126	return filepath.Join(pluginInstallDir, common.PluginJSONFile), nil127}128func GetPluginDescriptor(pluginID, pluginVersion string) (*pluginDescriptor, error) {129	pluginJSON, err := getPluginJSONPath(pluginID, pluginVersion)130	if err != nil {131		return nil, err132	}133	return GetPluginDescriptorFromJSON(pluginJSON)134}135func GetPluginDescriptorFromJSON(pluginJSON string) (*pluginDescriptor, error) {136	pluginJSONContents, err := common.ReadFileContents(pluginJSON)137	if err != nil {138		return nil, err139	}140	var pd pluginDescriptor141	if err = json.Unmarshal([]byte(pluginJSONContents), &pd); err != nil {142		return nil, fmt.Errorf("%s: %s", pluginJSON, err.Error())143	}144	pd.pluginPath = filepath.Dir(pluginJSON)145	return &pd, nil146}147func StartPlugin(pd *pluginDescriptor, action pluginScope) (*plugin, error) {148	command := []string{}149	switch runtime.GOOS {150	case "windows":151		command = pd.Command.Windows152		break153	case "darwin":154		command = pd.Command.Darwin155		break156	default:157		command = pd.Command.Linux158		break159	}160	if len(command) == 0 {161		return nil, fmt.Errorf("Platform specific command not specified: %s.", runtime.GOOS)162	}163	cmd, err := common.ExecuteCommand(command, pd.pluginPath, reporter.Current(), reporter.Current())164	if err != nil {165		return nil, err166	}167	var mutex = &sync.Mutex{}168	go func() {169		pState, _ := cmd.Process.Wait()170		mutex.Lock()171		cmd.ProcessState = pState172		mutex.Unlock()173	}()174	plugin := &plugin{pluginCmd: cmd, descriptor: pd, mutex: mutex}175	return plugin, nil176}177func SetEnvForPlugin(action pluginScope, pd *pluginDescriptor, manifest *manifest.Manifest, pluginEnvVars map[string]string) error {178	pluginEnvVars[fmt.Sprintf("%s_action", pd.ID)] = string(action)179	pluginEnvVars["test_language"] = manifest.Language180	if err := setEnvironmentProperties(pluginEnvVars); err != nil {181		return err182	}183	return nil184}185func setEnvironmentProperties(properties map[string]string) error {186	for k, v := range properties {187		if err := common.SetEnvVariable(k, v); err != nil {188			return err189		}190	}191	return nil192}193func IsPluginAdded(manifest *manifest.Manifest, descriptor *pluginDescriptor) bool {194	for _, pluginID := range manifest.Plugins {195		if pluginID == descriptor.ID {196			return true197		}198	}199	return false200}201func startPluginsForExecution(manifest *manifest.Manifest) (Handler, []string) {202	var warnings []string203	handler := &GaugePlugins{}204	envProperties := make(map[string]string)205	for _, pluginID := range manifest.Plugins {206		pd, err := GetPluginDescriptor(pluginID, "")207		if err != nil {208			warnings = append(warnings, fmt.Sprintf("Unable to start plugin %s. %s. To install, run `gauge install %s`.", pluginID, err.Error(), pluginID))209			continue210		}211		compatibilityErr := version.CheckCompatibility(version.CurrentGaugeVersion, &pd.GaugeVersionSupport)212		if compatibilityErr != nil {213			warnings = append(warnings, fmt.Sprintf("Compatible %s plugin version to current Gauge version %s not found", pd.Name, version.CurrentGaugeVersion))214			continue215		}216		if pd.hasScope(executionScope) {217			gaugeConnectionHandler, err := conn.NewGaugeConnectionHandler(0, &keepAliveHandler{ph: handler})218			if err != nil {219				warnings = append(warnings, err.Error())220				continue221			}222			envProperties[pluginConnectionPortEnv] = strconv.Itoa(gaugeConnectionHandler.ConnectionPortNumber())223			prop, err := common.GetGaugeConfiguration()224			if err != nil {225				warnings = append(warnings, fmt.Sprintf("Unable to read Gauge configuration. %s", err.Error()))226				continue227			}228			envProperties["plugin_kill_timeout"] = prop["plugin_kill_timeout"]229			err = SetEnvForPlugin(executionScope, pd, manifest, envProperties)230			if err != nil {231				warnings = append(warnings, fmt.Sprintf("Error setting environment for plugin %s %s. %s", pd.Name, pd.Version, err.Error()))232				continue233			}234			plugin, err := StartPlugin(pd, executionScope)235			if err != nil {236				warnings = append(warnings, fmt.Sprintf("Error starting plugin %s %s. %s", pd.Name, pd.Version, err.Error()))237				continue238			}239			pluginConnection, err := gaugeConnectionHandler.AcceptConnection(config.PluginConnectionTimeout(), make(chan error))240			if err != nil {241				warnings = append(warnings, fmt.Sprintf("Error starting plugin %s %s. Failed to connect to plugin. %s", pd.Name, pd.Version, err.Error()))242				plugin.pluginCmd.Process.Kill()243				continue244			}245			plugin.connection = pluginConnection246			handler.addPlugin(pluginID, plugin)247		}248	}249	return handler, warnings250}251func GenerateDoc(pluginName string, specDirs []string, port int) {252	pd, err := GetPluginDescriptor(pluginName, "")253	if err != nil {254		logger.Fatalf(true, "Error starting plugin %s. Failed to get plugin.json. %s. To install, run `gauge install %s`.", pluginName, err.Error(), pluginName)255	}256	if err := version.CheckCompatibility(version.CurrentGaugeVersion, &pd.GaugeVersionSupport); err != nil {257		logger.Fatalf(true, "Compatible %s plugin version to current Gauge version %s not found", pd.Name, version.CurrentGaugeVersion)258	}259	if !pd.hasScope(docScope) {260		logger.Fatalf(true, "Invalid plugin name: %s, this plugin cannot generate documentation.", pd.Name)261	}262	var sources []string263	for _, src := range specDirs {264		path, _ := filepath.Abs(src)265		sources = append(sources, path)266	}267	os.Setenv("GAUGE_SPEC_DIRS", strings.Join(sources, "||"))268	os.Setenv("GAUGE_PROJECT_ROOT", config.ProjectRoot)269	os.Setenv(common.APIPortEnvVariableName, strconv.Itoa(port))270	p, err := StartPlugin(pd, docScope)271	if err != nil {272		logger.Fatalf(true, "Error starting plugin %s %s. %s", pd.Name, pd.Version, err.Error())273	}274	for isProcessRunning(p) {275	}276}277func (p *plugin) sendMessage(message *gauge_messages.Message) error {278	messageID := common.GetUniqueID()279	message.MessageId = messageID280	messageBytes, err := proto.Marshal(message)281	if err != nil {282		return err283	}284	err = conn.Write(p.connection, messageBytes)285	if err != nil {286		return fmt.Errorf("[Warning] Failed to send message to plugin: %s  %s", p.descriptor.ID, err.Error())287	}288	return nil289}290func StartPlugins(manifest *manifest.Manifest) Handler {291	pluginHandler, warnings := startPluginsForExecution(manifest)292	logger.HandleWarningMessages(true, warnings)293	return pluginHandler294}295func PluginsWithoutScope() (infos []pluginInfo.PluginInfo) {296	if plugins, err := pluginInfo.GetAllInstalledPluginsWithVersion(); err == nil {297		for _, p := range plugins {298			pd, err := GetPluginDescriptor(p.Name, p.Version.String())299			if err == nil && !pd.hasAnyScope() {300				infos = append(infos, p)301			}302		}303	}304	return305}306// GetInstallDir returns the install directory of given plugin and a given version.307func GetInstallDir(pluginName, version string) (string, error) {308	allPluginsInstallDir, err := common.GetPluginsInstallDir(pluginName)309	if err != nil {310		return "", err311	}312	pluginDir := filepath.Join(allPluginsInstallDir, pluginName)...

GetPluginDescriptor

Using AI Code Generation

1import (2func main() {3	p, err := plugin.Open("plugin.so")4	if err != nil {5		panic(err)6	}7	symGetPluginDescriptor, err := p.Lookup("GetPluginDescriptor")8	if err != nil {9		panic(err)10	}11	getPluginDescriptor, ok := symGetPluginDescriptor.(func() string)12	if !ok {13		panic("unexpected type from module symbol")14	}15	fmt.Println(getPluginDescriptor())16}17import "fmt"18func GetPluginDescriptor() string {19}20func main() {21	fmt.Println(GetPluginDescriptor())22}23import "fmt"24func GetPluginDescriptor() string {25}26func main() {27	fmt.Println(GetPluginDescriptor())28}

GetPluginDescriptor

Using AI Code Generation

1import (2func main() {3	p, err := plugin.Open("plugin.so")4	if err != nil {5		panic(err)6	}7	f, err := p.Lookup("GetPluginDescriptor")8	if err != nil {9		panic(err)10	}11	descriptor, ok := f.(func() string)12	if !ok {13		panic("Unexpected type from module symbol")14	}15	fmt.Println(descriptor())16}

GetPluginDescriptor

Using AI Code Generation

1import (2func main() {3	client := plugin.NewClient(&plugin.ClientConfig{4		Plugins: map[string]plugin.Plugin{5			"greeter": &shared.GreeterGRPCPlugin{Impl: &shared.GreeterPlugin{}},6		},7		AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},8	})9	rpcClient, err := client.Client()10	if err != nil {11		log.Fatal(err)12	}13	raw, err := rpcClient.Dispense("greeter")14	if err != nil {15		log.Fatal(err)16	}17	greeter := raw.(shared.Greeter)18	response, err := greeter.Greet(context.Background(), &shared.GreetRequest{Name: "HashiCorp"})19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(response.Greeting)23	response, err = greeter.GetPluginDescriptor(context.Background(), &shared.GreetRequest{Name: "HashiCorp"})24	if err != nil {25		log.Fatal(err)26	}27	fmt.Println(response.Greeting)28	client.Kill()29}30import (31func main() {32	client := plugin.NewClient(&plugin.ClientConfig{33		Plugins: map[string]plugin.Plugin{

GetPluginDescriptor

Using AI Code Generation

1import (2func main() {3        p, err := plugin.Open("plugin.so")4        if err != nil {5                panic(err)6        }7        f, err := p.Lookup("GetPluginDescriptor")8        if err != nil {9                panic(err)10        }11        getPluginDescriptor := f.(func() string)12        fmt.Println(getPluginDescriptor())13}

GetPluginDescriptor

Using AI Code Generation

1import (2type MyPlugin struct {3}4func (p *MyPlugin) GetPluginDescriptor() (*volume.PluginDescriptor, error) {5    return &volume.PluginDescriptor{6        Capabilities: volume.Capability{Scope: "global"},7    }, nil8}9func main() {10    p := &MyPlugin{}11    h := volume.NewHandler(p)12    fmt.Println(h.ServeUnix("test", 0))13}

GetPluginDescriptor

Using AI Code Generation

1import (2func main() {3	client := plugin.NewClient(&plugin.ClientConfig{4		Cmd:              plugin.DefaultRPCCmd(os.Stdin, os.Stdout),5	})6	rpcClient, err := client.Client()7	if err != nil {8		panic(err)9	}10	raw, err := rpcClient.Dispense("provider")11	if err != nil {12		panic(err)13	}14	provider, ok := raw.(plugin.GRPCPlugin)15	if !ok {16		panic("unexpected type")17	}18	descriptor, err := provider.GetPluginDescriptor()19	if err != nil {20		panic(err)21	}22	fmt.Printf("Plugin Descriptor: %v23}24Plugin Descriptor: &{1.0.0 0.1.0 0.1.0}25import (26func main() {27	client := plugin.NewClient(&plugin.ClientConfig{28		Cmd:              exec.Command("terraform-provider-aws"),29	})30	rpcClient, err := client.Client()31	if err != nil {32		panic(err)33	}34	raw, err := rpcClient.Dispense("provider")35	if err != nil {36		panic(err)37	}38	provider, ok := raw.(plugin.GRPCPlugin)39	if !ok {40		panic("unexpected type")41	}42	descriptor, err := provider.GetPluginDescriptor()43	if err != nil {44		panic(err)45	}

GetPluginDescriptor

Using AI Code Generation

1func main() {2    pluginDescriptor := plugin.GetPluginDescriptor()3    fmt.Println(pluginDescriptor)4}5{plugin1 1.0.0 /home/user/plugin1.so}6type PluginDescriptor struct {7}

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