MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)

* Moving plugins to use hashicorp go-plugin.

* Tweaks from feedback.

model/bundle_info.go

@@ -3,6 +3,8 @@
 
 package model
 
+import "github.com/mattermost/mattermost-server/mlog"
+
 type BundleInfo struct {
 	Path string
 
@@ -11,6 +13,13 @@ type BundleInfo struct {
 	ManifestError error
 }
 
+func (b *BundleInfo) WrapLogger(logger *mlog.Logger) *mlog.Logger {
+	if b.Manifest != nil {
+		return logger.With(mlog.String("plugin_id", b.Manifest.Id))
+	}
+	return logger.With(mlog.String("plugin_path", b.Path))
+}
+
 // Returns bundle info for the given path. The return value is never nil.
 func BundleInfoForPath(path string) *BundleInfo {
 	m, mpath, err := FindManifest(path)