Plugins: Tidy up CLI code (#67723)

* remove dead code and use pkg/plugins for uninstall process

* fix linter

* remove unnecessary cruft

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

@@ -10,7 +10,6 @@ import (
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/commands/datamigrations"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/commands/secretsmigrations"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/logger"
-	"github.com/grafana/grafana/pkg/cmd/grafana-cli/services"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/utils"
 	"github.com/grafana/grafana/pkg/infra/db"
 	"github.com/grafana/grafana/pkg/infra/tracing"
@@ -91,47 +90,38 @@ func runPluginCommand(command func(commandLine utils.CommandLine) error) func(co
 	}
 }
 
-// Command contains command state.
-type Command struct {
-	Client utils.ApiClient
-}
-
-var cmd Command = Command{
-	Client: &services.GrafanaComClient{},
-}
-
 var pluginCommands = []*cli.Command{
 	{
 		Name:   "install",
 		Usage:  "install <plugin id> <plugin version (optional)>",
-		Action: runPluginCommand(cmd.installCommand),
+		Action: runPluginCommand(installCommand),
 	}, {
 		Name:   "list-remote",
 		Usage:  "list remote available plugins",
-		Action: runPluginCommand(cmd.listRemoteCommand),
+		Action: runPluginCommand(listRemoteCommand),
 	}, {
 		Name:   "list-versions",
 		Usage:  "list-versions <plugin id>",
-		Action: runPluginCommand(cmd.listVersionsCommand),
+		Action: runPluginCommand(listVersionsCommand),
 	}, {
 		Name:    "update",
 		Usage:   "update <plugin id>",
 		Aliases: []string{"upgrade"},
-		Action:  runPluginCommand(cmd.upgradeCommand),
+		Action:  runPluginCommand(upgradeCommand),
 	}, {
 		Name:    "update-all",
 		Aliases: []string{"upgrade-all"},
 		Usage:   "update all your installed plugins",
-		Action:  runPluginCommand(cmd.upgradeAllCommand),
+		Action:  runPluginCommand(upgradeAllCommand),
 	}, {
 		Name:   "ls",
 		Usage:  "list installed plugins (excludes core plugins)",
-		Action: runPluginCommand(cmd.lsCommand),
+		Action: runPluginCommand(lsCommand),
 	}, {
 		Name:    "uninstall",
 		Aliases: []string{"remove"},
 		Usage:   "uninstall <plugin id>",
-		Action:  runPluginCommand(cmd.removeCommand),
+		Action:  runPluginCommand(removeCommand),
 	},
 }
 

pkg/cmd/grafana-cli/commands/commandstest/fake_api_client.go

@@ -1,36 +0,0 @@
-package commandstest
-
-import (
-	"os"
-
-	"github.com/grafana/grafana/pkg/cmd/grafana-cli/models"
-)
-
-type FakeGrafanaComClient struct {
-	GetPluginFunc      func(pluginId, repoUrl string) (models.Plugin, error)
-	DownloadFileFunc   func(pluginName string, tmpFile *os.File, url string, checksum string) (err error)
-	ListAllPluginsFunc func(repoUrl string) (models.PluginRepo, error)
-}
-
-func (client *FakeGrafanaComClient) GetPlugin(pluginID, repoUrl string) (models.Plugin, error) {
-	if client.GetPluginFunc != nil {
-		return client.GetPluginFunc(pluginID, repoUrl)
-	}
-
-	return models.Plugin{}, nil
-}
-
-func (client *FakeGrafanaComClient) DownloadFile(pluginName string, tmpFile *os.File, url string, checksum string) (err error) {
-	if client.DownloadFileFunc != nil {
-		return client.DownloadFileFunc(pluginName, tmpFile, url, checksum)
-	}
-
-	return nil
-}
-
-func (client *FakeGrafanaComClient) ListAllPlugins(repoURL string) (models.PluginRepo, error) {
-	if client.ListAllPluginsFunc != nil {
-		return client.ListAllPluginsFunc(repoURL)
-	}
-	return models.PluginRepo{}, nil
-}

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

@@ -49,7 +49,7 @@ func logRestartNotice() {
 	logger.Info(color.GreenString("Please restart Grafana after installing or removing plugins. Refer to Grafana documentation for instructions if necessary.\n\n"))
 }
 
-func (cmd Command) installCommand(c utils.CommandLine) error {
+func installCommand(c utils.CommandLine) error {
 	pluginFolder := c.PluginDirectory()
 	if err := validateInput(c, pluginFolder); err != nil {
 		return err

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

@@ -2,13 +2,14 @@ package commands
 
 import (
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/logger"
+	"github.com/grafana/grafana/pkg/cmd/grafana-cli/services"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/utils"
 )
 
 // listRemoteCommand prints out all plugins in the remote repo with latest version supported on current platform.
 // If there are no supported versions for plugin it is skipped.
-func (cmd Command) listRemoteCommand(c utils.CommandLine) error {
-	plugin, err := cmd.Client.ListAllPlugins(c.PluginRepoURL())
+func listRemoteCommand(c utils.CommandLine) error {
+	plugin, err := services.ListAllPlugins(c.PluginRepoURL())
 	if err != nil {
 		return err
 	}

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

@@ -4,6 +4,7 @@ import (
 	"errors"
 
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/logger"
+	"github.com/grafana/grafana/pkg/cmd/grafana-cli/services"
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/utils"
 )
 
@@ -16,14 +17,14 @@ func validateVersionInput(c utils.CommandLine) error {
 	return nil
 }
 
-func (cmd Command) listVersionsCommand(c utils.CommandLine) error {
+func listVersionsCommand(c utils.CommandLine) error {
 	if err := validateVersionInput(c); err != nil {
 		return err
 	}
 
 	pluginToList := c.Args().First()
 
-	plugin, err := cmd.Client.GetPlugin(pluginToList, c.String("repo"))
+	plugin, err := services.GetPlugin(pluginToList, c.String("repo"))
 	if err != nil {
 		return err
 	}

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

@@ -35,7 +35,7 @@ var validateLsCommand = func(pluginDir string) error {
 	return nil
 }
 
-func (cmd Command) lsCommand(c utils.CommandLine) error {
+func lsCommand(c utils.CommandLine) error {
 	pluginDir := c.PluginDirectory()
 	if err := validateLsCommand(pluginDir); err != nil {
 		return err

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

@@ -43,8 +43,7 @@ func TestMissingPath(t *testing.T) {
 			c, err := commandstest.NewCliContext(tc.cliContext)
 			require.NoError(t, err)
 
-			cmd := Command{}
-			err = cmd.lsCommand(c)
+			err = lsCommand(c)
 			assert.Equal(t, tc.error, err)
 		})
 	}
@@ -66,8 +65,7 @@ func TestValidateLsCommand_override(t *testing.T) {
 			return expected
 		}
 
-		cmd := Command{}
-		err = cmd.lsCommand(c)
+		err = lsCommand(c)
 		assert.Error(t, err)
 		assert.Equal(t, expected, err, "can override validateLsCommand")
 	})
@@ -77,8 +75,7 @@ func TestValidateLsCommand_override(t *testing.T) {
 		c, err := commandstest.NewCliContext(map[string]string{"path": "/var/lib/grafana/plugins"})
 		require.NoError(t, err)
 
-		cmd := Command{}
-		err = cmd.lsCommand(c)
+		err = lsCommand(c)
 		assert.NotEqual(t, err, expected, "validateLsCommand is reset")
 	})
 }

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

@@ -9,7 +9,7 @@ import (
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/utils"
 )
 
-func (cmd Command) removeCommand(c utils.CommandLine) error {
+func removeCommand(c utils.CommandLine) error {
 	pluginID := c.Args().First()
 	if pluginID == "" {
 		return errors.New("missing plugin parameter")

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

@@ -25,12 +25,12 @@ func shouldUpgrade(installed string, remote *models.Plugin) bool {
 	return installedVersion.LessThan(latestVersion)
 }
 
-func (cmd Command) upgradeAllCommand(c utils.CommandLine) error {
+func upgradeAllCommand(c utils.CommandLine) error {
 	pluginsDir := c.PluginDirectory()
 
 	localPlugins := services.GetLocalPlugins(pluginsDir)
 
-	remotePlugins, err := cmd.Client.ListAllPlugins(c.String("repo"))
+	remotePlugins, err := services.ListAllPlugins(c.String("repo"))
 	if err != nil {
 		return err
 	}

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

@@ -11,7 +11,7 @@ import (
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/utils"
 )
 
-func (cmd Command) upgradeCommand(c utils.CommandLine) error {
+func upgradeCommand(c utils.CommandLine) error {
 	ctx := context.Background()
 	pluginsDir := c.PluginDirectory()
 	pluginID := c.Args().First()
@@ -21,7 +21,7 @@ func (cmd Command) upgradeCommand(c utils.CommandLine) error {
 		return err
 	}
 
-	plugin, err := cmd.Client.GetPlugin(pluginID, c.PluginRepoURL())
+	plugin, err := services.GetPlugin(pluginID, c.PluginRepoURL())
 	if err != nil {
 		return err
 	}

pkg/cmd/grafana-cli/services/api_client.go

@@ -14,9 +14,7 @@ import (
 	"github.com/grafana/grafana/pkg/cmd/grafana-cli/models"
 )
 
-type GrafanaComClient struct{}
-
-func (client *GrafanaComClient) GetPlugin(pluginId, repoUrl string) (models.Plugin, error) {
+func GetPlugin(pluginId, repoUrl string) (models.Plugin, error) {
 	logger.Debugf("getting plugin metadata from: %v pluginId: %v \n", repoUrl, pluginId)
 	body, err := sendRequestGetBytes(HttpClient, repoUrl, "repo", pluginId)
 	if err != nil {
@@ -37,7 +35,7 @@ func (client *GrafanaComClient) GetPlugin(pluginId, repoUrl string) (models.Plug
 	return data, nil
 }
 
-func (client *GrafanaComClient) ListAllPlugins(repoUrl string) (models.PluginRepo, error) {
+func ListAllPlugins(repoUrl string) (models.PluginRepo, error) {
 	body, err := sendRequestGetBytes(HttpClient, repoUrl, "repo")
 
 	if err != nil {