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https://github.com/grafana/grafana.git
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bb849d53bf
Moves the details of loading plugins into the backend plugin manager from the respective plugin (datasource, transform and renderer).
55 lines
1.4 KiB
Go
55 lines
1.4 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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}
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func (r *RendererPlugin) Load(decoder *json.Decoder, pluginDir string) 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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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 := backendplugin.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 := backendplugin.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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