mirror of https://github.com/grafana/grafana.git
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package plugins
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import (
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"context"
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"encoding/json"
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"path"
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pluginModel "github.com/grafana/grafana-plugin-model/go/renderer"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/plugins/backendplugin"
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"github.com/grafana/grafana/pkg/util/errutil"
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)
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type RendererPlugin struct {
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PluginBase
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Executable string `json:"executable,omitempty"`
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GrpcPlugin pluginModel.RendererPlugin
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backendPluginManager backendplugin.Manager
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}
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func (r *RendererPlugin) Load(decoder *json.Decoder, pluginDir string, backendPluginManager backendplugin.Manager) error {
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if err := decoder.Decode(r); err != nil {
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return err
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}
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if err := r.registerPlugin(pluginDir); err != nil {
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return err
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}
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r.backendPluginManager = backendPluginManager
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cmd := ComposePluginStartCommmand("plugin_start")
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fullpath := path.Join(r.PluginDir, cmd)
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descriptor := backendplugin.NewRendererPluginDescriptor(r.Id, fullpath, backendplugin.PluginStartFuncs{
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OnLegacyStart: r.onLegacyPluginStart,
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})
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if err := backendPluginManager.Register(descriptor); err != nil {
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return errutil.Wrapf(err, "Failed to register backend plugin")
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}
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Renderer = r
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return nil
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}
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func (r *RendererPlugin) Start(ctx context.Context) error {
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if err := r.backendPluginManager.StartPlugin(ctx, r.Id); err != nil {
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return errutil.Wrapf(err, "Failed to start renderer plugin")
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}
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return nil
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}
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func (r *RendererPlugin) onLegacyPluginStart(pluginID string, client *backendplugin.LegacyClient, logger log.Logger) error {
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r.GrpcPlugin = client.RendererPlugin
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return nil
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}
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