mirror of
https://github.com/grafana/grafana.git
synced 2024-11-23 01:16:31 -06:00
358 lines
12 KiB
Go
358 lines
12 KiB
Go
package manager
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import (
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"archive/zip"
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"context"
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"fmt"
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"runtime"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/grafana/grafana/pkg/plugins"
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"github.com/grafana/grafana/pkg/plugins/log"
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"github.com/grafana/grafana/pkg/plugins/manager/fakes"
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"github.com/grafana/grafana/pkg/plugins/repo"
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"github.com/grafana/grafana/pkg/plugins/storage"
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)
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const testPluginID = "test-plugin"
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func TestPluginManager_Add_Remove(t *testing.T) {
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t.Run("Adding a new plugin", func(t *testing.T) {
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const (
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pluginID, v1 = "test-panel", "1.0.0"
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zipNameV1 = "test-panel-1.0.0.zip"
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v2 = "2.0.0"
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zipNameV2 = "test-panel-2.0.0.zip"
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)
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// mock a plugin to be returned automatically by the plugin loader
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pluginV1 := createPlugin(t, pluginID, plugins.ClassExternal, true, true, func(plugin *plugins.Plugin) {
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plugin.Info.Version = v1
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})
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mockZipV1 := &zip.ReadCloser{Reader: zip.Reader{File: []*zip.File{{
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FileHeader: zip.FileHeader{Name: zipNameV1},
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}}}}
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var loadedPaths []string
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loader := &fakes.FakeLoader{
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LoadFunc: func(ctx context.Context, src plugins.PluginSource) ([]*plugins.Plugin, error) {
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loadedPaths = append(loadedPaths, src.PluginURIs(ctx)...)
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require.Equal(t, []string{zipNameV1}, src.PluginURIs(ctx))
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return []*plugins.Plugin{pluginV1}, nil
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},
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UnloadFunc: func(_ context.Context, p *plugins.Plugin) (*plugins.Plugin, error) {
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return p, nil
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},
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}
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pluginRepo := &fakes.FakePluginRepo{
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GetPluginArchiveFunc: func(_ context.Context, id, version string, _ repo.CompatOpts) (*repo.PluginArchive, error) {
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require.Equal(t, pluginID, id)
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require.Equal(t, v1, version)
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return &repo.PluginArchive{
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File: mockZipV1,
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}, nil
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},
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}
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fs := &fakes.FakePluginStorage{
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ExtractFunc: func(_ context.Context, id string, _ storage.DirNameGeneratorFunc, z *zip.ReadCloser) (*storage.ExtractedPluginArchive, error) {
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require.Equal(t, pluginID, id)
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require.Equal(t, mockZipV1, z)
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return &storage.ExtractedPluginArchive{
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Path: zipNameV1,
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}, nil
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},
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}
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inst := New(fakes.NewFakePluginRegistry(), loader, pluginRepo, fs, storage.SimpleDirNameGeneratorFunc, &fakes.FakeAuthService{})
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err := inst.Add(context.Background(), pluginID, v1, testCompatOpts())
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require.NoError(t, err)
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t.Run("Won't add if already exists", func(t *testing.T) {
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inst.pluginRegistry = &fakes.FakePluginRegistry{
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Store: map[string]*plugins.Plugin{
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pluginID: pluginV1,
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},
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}
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err = inst.Add(context.Background(), pluginID, v1, testCompatOpts())
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require.Equal(t, plugins.DuplicateError{
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PluginID: pluginV1.ID,
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}, err)
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})
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t.Run("Update plugin to different version", func(t *testing.T) {
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// mock a plugin to be returned automatically by the plugin loader
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pluginV2 := createPlugin(t, pluginID, plugins.ClassExternal, true, true, func(plugin *plugins.Plugin) {
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plugin.Info.Version = v2
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})
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mockZipV2 := &zip.ReadCloser{Reader: zip.Reader{File: []*zip.File{{
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FileHeader: zip.FileHeader{Name: zipNameV2},
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}}}}
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loader.LoadFunc = func(ctx context.Context, src plugins.PluginSource) ([]*plugins.Plugin, error) {
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require.Equal(t, plugins.ClassExternal, src.PluginClass(ctx))
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require.Equal(t, []string{zipNameV2}, src.PluginURIs(ctx))
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return []*plugins.Plugin{pluginV2}, nil
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}
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pluginRepo.GetPluginArchiveInfoFunc = func(_ context.Context, _, _ string, _ repo.CompatOpts) (*repo.PluginArchiveInfo, error) {
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return &repo.PluginArchiveInfo{
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URL: "https://grafanaplugins.com",
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}, nil
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}
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pluginRepo.GetPluginArchiveByURLFunc = func(_ context.Context, pluginZipURL string, _ repo.CompatOpts) (*repo.PluginArchive, error) {
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require.Equal(t, "https://grafanaplugins.com", pluginZipURL)
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return &repo.PluginArchive{
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File: mockZipV2,
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}, nil
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}
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fs.ExtractFunc = func(_ context.Context, pluginID string, _ storage.DirNameGeneratorFunc, z *zip.ReadCloser) (*storage.ExtractedPluginArchive, error) {
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require.Equal(t, pluginV1.ID, pluginID)
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require.Equal(t, mockZipV2, z)
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return &storage.ExtractedPluginArchive{
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Path: zipNameV2,
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}, nil
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}
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err = inst.Add(context.Background(), pluginID, v2, testCompatOpts())
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require.NoError(t, err)
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})
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t.Run("Removing an existing plugin", func(t *testing.T) {
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inst.pluginRegistry = &fakes.FakePluginRegistry{
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Store: map[string]*plugins.Plugin{
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pluginID: pluginV1,
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},
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}
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var unloadedPlugins []string
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inst.pluginLoader = &fakes.FakeLoader{
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UnloadFunc: func(_ context.Context, p *plugins.Plugin) (*plugins.Plugin, error) {
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unloadedPlugins = append(unloadedPlugins, p.ID)
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return p, nil
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},
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}
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err = inst.Remove(context.Background(), pluginID, v2)
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require.NoError(t, err)
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require.Equal(t, []string{pluginID}, unloadedPlugins)
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t.Run("Won't remove if not exists", func(t *testing.T) {
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inst.pluginRegistry = fakes.NewFakePluginRegistry()
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err = inst.Remove(context.Background(), pluginID, v2)
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require.Equal(t, plugins.ErrPluginNotInstalled, err)
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})
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})
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})
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t.Run("Can't update core or bundled plugin", func(t *testing.T) {
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tcs := []struct {
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class plugins.Class
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}{
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{class: plugins.ClassCore},
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{class: plugins.ClassBundled},
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}
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for _, tc := range tcs {
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p := createPlugin(t, testPluginID, tc.class, true, true, func(plugin *plugins.Plugin) {
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plugin.Info.Version = "1.0.0"
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})
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reg := &fakes.FakePluginRegistry{
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Store: map[string]*plugins.Plugin{
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testPluginID: p,
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},
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}
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pm := New(reg, &fakes.FakeLoader{}, &fakes.FakePluginRepo{}, &fakes.FakePluginStorage{}, storage.SimpleDirNameGeneratorFunc, &fakes.FakeAuthService{})
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err := pm.Add(context.Background(), p.ID, "3.2.0", testCompatOpts())
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require.ErrorIs(t, err, plugins.ErrInstallCorePlugin)
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err = pm.Add(context.Background(), testPluginID, "", testCompatOpts())
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require.Equal(t, plugins.ErrInstallCorePlugin, err)
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t.Run(fmt.Sprintf("Can't uninstall %s plugin", tc.class), func(t *testing.T) {
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err = pm.Remove(context.Background(), p.ID, p.Info.Version)
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require.Equal(t, plugins.ErrUninstallCorePlugin, err)
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})
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}
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})
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t.Run("Can install multiple dependency levels", func(t *testing.T) {
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const (
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p1, p1Zip = "foo-panel", "foo-panel.zip"
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p2, p2Zip = "foo-datasource", "foo-datasource.zip"
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p3, p3Zip = "foo-app", "foo-app.zip"
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)
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var loadedPaths []string
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loader := &fakes.FakeLoader{
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LoadFunc: func(ctx context.Context, src plugins.PluginSource) ([]*plugins.Plugin, error) {
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loadedPaths = append(loadedPaths, src.PluginURIs(ctx)...)
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return []*plugins.Plugin{}, nil
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},
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}
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pluginRepo := &fakes.FakePluginRepo{
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GetPluginArchiveFunc: func(_ context.Context, id, version string, _ repo.CompatOpts) (*repo.PluginArchive, error) {
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return &repo.PluginArchive{File: &zip.ReadCloser{Reader: zip.Reader{File: []*zip.File{{
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FileHeader: zip.FileHeader{Name: fmt.Sprintf("%s.zip", id)},
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}}}}}, nil
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},
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}
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fs := &fakes.FakePluginStorage{
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ExtractFunc: func(_ context.Context, id string, _ storage.DirNameGeneratorFunc, z *zip.ReadCloser) (*storage.ExtractedPluginArchive, error) {
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switch id {
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case p1:
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return &storage.ExtractedPluginArchive{Path: p1Zip}, nil
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case p2:
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return &storage.ExtractedPluginArchive{
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Dependencies: []*storage.Dependency{{ID: p1}},
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Path: p2Zip,
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}, nil
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case p3:
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return &storage.ExtractedPluginArchive{
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Dependencies: []*storage.Dependency{{ID: p2}},
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Path: p3Zip,
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}, nil
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default:
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return nil, fmt.Errorf("unknown plugin %s", id)
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}
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},
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}
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inst := New(fakes.NewFakePluginRegistry(), loader, pluginRepo, fs, storage.SimpleDirNameGeneratorFunc, &fakes.FakeAuthService{})
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err := inst.Add(context.Background(), p3, "", testCompatOpts())
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require.NoError(t, err)
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require.Equal(t, []string{p1Zip, p2Zip, p3Zip}, loadedPaths)
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})
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t.Run("Livelock prevented when two plugins depend on each other", func(t *testing.T) {
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const (
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p1, p1Zip = "foo-panel", "foo-panel.zip"
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p2, p2Zip = "foo-datasource", "foo-datasource.zip"
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)
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var loadedPaths []string
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loader := &fakes.FakeLoader{
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LoadFunc: func(ctx context.Context, src plugins.PluginSource) ([]*plugins.Plugin, error) {
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loadedPaths = append(loadedPaths, src.PluginURIs(ctx)...)
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return []*plugins.Plugin{}, nil
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},
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}
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pluginRepo := &fakes.FakePluginRepo{
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GetPluginArchiveFunc: func(_ context.Context, id, version string, _ repo.CompatOpts) (*repo.PluginArchive, error) {
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return &repo.PluginArchive{File: &zip.ReadCloser{Reader: zip.Reader{File: []*zip.File{{
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FileHeader: zip.FileHeader{Name: fmt.Sprintf("%s.zip", id)},
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}}}}}, nil
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},
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}
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fs := &fakes.FakePluginStorage{
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ExtractFunc: func(_ context.Context, id string, _ storage.DirNameGeneratorFunc, z *zip.ReadCloser) (*storage.ExtractedPluginArchive, error) {
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switch id {
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case p1:
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return &storage.ExtractedPluginArchive{
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Dependencies: []*storage.Dependency{{ID: p2}},
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Path: p1Zip,
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}, nil
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case p2:
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return &storage.ExtractedPluginArchive{
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Dependencies: []*storage.Dependency{{ID: p1}},
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Path: p2Zip,
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}, nil
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default:
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return nil, fmt.Errorf("unknown plugin %s", id)
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}
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},
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}
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inst := New(fakes.NewFakePluginRegistry(), loader, pluginRepo, fs, storage.SimpleDirNameGeneratorFunc, &fakes.FakeAuthService{})
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err := inst.Add(context.Background(), p1, "", testCompatOpts())
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require.NoError(t, err)
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require.Equal(t, []string{p2Zip, p1Zip}, loadedPaths)
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})
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t.Run("Plugin can successfully install even if dependency plugin is already installed", func(t *testing.T) {
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const pluginDependencyID = "test-plugin-dependency"
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reg := &fakes.FakePluginRegistry{
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Store: map[string]*plugins.Plugin{
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pluginDependencyID: createPlugin(t, pluginDependencyID, plugins.ClassExternal, false, false),
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},
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}
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var loadedPaths []string
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loader := &fakes.FakeLoader{
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LoadFunc: func(ctx context.Context, src plugins.PluginSource) ([]*plugins.Plugin, error) {
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loadedPaths = append(loadedPaths, src.PluginURIs(ctx)...)
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return []*plugins.Plugin{}, nil
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},
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}
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pluginRepo := &fakes.FakePluginRepo{
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GetPluginArchiveFunc: func(_ context.Context, id, version string, _ repo.CompatOpts) (*repo.PluginArchive, error) {
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return &repo.PluginArchive{File: &zip.ReadCloser{Reader: zip.Reader{File: []*zip.File{{
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FileHeader: zip.FileHeader{Name: fmt.Sprintf("%s.zip", id)},
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}}}}}, nil
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},
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}
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fs := &fakes.FakePluginStorage{
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ExtractFunc: func(_ context.Context, id string, _ storage.DirNameGeneratorFunc, z *zip.ReadCloser) (*storage.ExtractedPluginArchive, error) {
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switch id {
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case testPluginID:
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return &storage.ExtractedPluginArchive{
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Dependencies: []*storage.Dependency{{ID: pluginDependencyID}},
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Path: "test-plugin.zip",
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}, nil
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default:
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return nil, fmt.Errorf("unknown plugin %s", id)
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}
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},
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}
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inst := New(reg, loader, pluginRepo, fs, storage.SimpleDirNameGeneratorFunc, &fakes.FakeAuthService{})
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err := inst.Add(context.Background(), testPluginID, "", testCompatOpts())
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require.NoError(t, err)
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require.Equal(t, []string{"test-plugin.zip"}, loadedPaths)
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})
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}
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func createPlugin(t *testing.T, pluginID string, class plugins.Class, managed, backend bool, cbs ...func(*plugins.Plugin)) *plugins.Plugin {
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t.Helper()
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p := &plugins.Plugin{
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Class: class,
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JSONData: plugins.JSONData{
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ID: pluginID,
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Type: plugins.TypeDataSource,
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Backend: backend,
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},
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}
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p.SetLogger(log.NewTestLogger())
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if p.Backend {
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p.RegisterClient(&fakes.FakePluginClient{
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ID: pluginID,
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Managed: managed,
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Log: p.Logger(),
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})
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}
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for _, cb := range cbs {
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cb(p)
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}
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return p
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}
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func testCompatOpts() plugins.CompatOpts {
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return plugins.NewCompatOpts("10.0.0", runtime.GOOS, runtime.GOARCH)
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}
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