Will Browne
54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
package meta
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import (
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"context"
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"time"
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"github.com/grafana/grafana/pkg/plugins"
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"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginstore"
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)
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const (
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defaultLocalTTL = 1 * time.Hour
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)
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// PluginAssetsCalculator is an interface for calculating plugin asset information.
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// LocalProvider requires this to calculate loading strategy and module hash.
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type PluginAssetsCalculator interface {
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LoadingStrategy(ctx context.Context, p pluginstore.Plugin) plugins.LoadingStrategy
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ModuleHash(ctx context.Context, p pluginstore.Plugin) string
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}
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// LocalProvider retrieves plugin metadata for locally installed plugins.
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// It uses the plugin store to access plugins that have already been loaded.
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type LocalProvider struct {
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store pluginstore.Store
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pluginAssets PluginAssetsCalculator
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}
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// NewLocalProvider creates a new LocalProvider for locally installed plugins.
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// pluginAssets is required for calculating loading strategy and module hash.
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func NewLocalProvider(pluginStore pluginstore.Store, pluginAssets PluginAssetsCalculator) *LocalProvider {
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return &LocalProvider{
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store: pluginStore,
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pluginAssets: pluginAssets,
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}
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}
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// GetMeta retrieves plugin metadata for locally installed plugins.
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func (p *LocalProvider) GetMeta(ctx context.Context, pluginID, version string) (*Result, error) {
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plugin, exists := p.store.Plugin(ctx, pluginID)
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if !exists {
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return nil, ErrMetaNotFound
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}
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loadingStrategy := p.pluginAssets.LoadingStrategy(ctx, plugin)
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moduleHash := p.pluginAssets.ModuleHash(ctx, plugin)
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spec := pluginStorePluginToMeta(plugin, loadingStrategy, moduleHash)
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return &Result{
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Meta: spec,
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TTL: defaultLocalTTL,
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}, nil
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}
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