From 1e5c432e1029601a664454388ae366ef69618d62 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 25 Jun 2018 12:33:13 -0700
Subject: MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)

* Moving plugins to use hashicorp go-plugin.

* Tweaks from feedback.
---
 app/plugin_statuses.go | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 app/plugin_statuses.go

(limited to 'app/plugin_statuses.go')

diff --git a/app/plugin_statuses.go b/app/plugin_statuses.go
new file mode 100644
index 000000000..1a80beaab
--- /dev/null
+++ b/app/plugin_statuses.go
@@ -0,0 +1,63 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package app
+
+import (
+	"net/http"
+
+	"github.com/mattermost/mattermost-server/model"
+)
+
+// GetPluginStatuses returns the status for plugins installed on this server.
+func (a *App) GetPluginStatuses() (model.PluginStatuses, *model.AppError) {
+	if a.Plugins == nil || !*a.Config().PluginSettings.Enable {
+		return nil, model.NewAppError("GetPluginStatuses", "app.plugin.disabled.app_error", nil, "", http.StatusNotImplemented)
+	}
+
+	pluginStatuses, err := a.Plugins.Statuses()
+	if err != nil {
+		return nil, model.NewAppError("GetPluginStatuses", "Unable to get plugin statuses", nil, err.Error(), http.StatusInternalServerError)
+	}
+
+	// Add our cluster ID
+	for _, status := range pluginStatuses {
+		status.ClusterId = a.GetClusterId()
+	}
+
+	return pluginStatuses, nil
+}
+
+// GetClusterPluginStatuses returns the status for plugins installed anywhere in the cluster.
+func (a *App) GetClusterPluginStatuses() (model.PluginStatuses, *model.AppError) {
+	pluginStatuses, err := a.GetPluginStatuses()
+	if err != nil {
+		return nil, err
+	}
+
+	if a.Cluster != nil && *a.Config().ClusterSettings.Enable {
+		clusterPluginStatuses, err := a.Cluster.GetPluginStatuses()
+		if err != nil {
+			return nil, model.NewAppError("GetClusterPluginStatuses", "app.plugin.get_cluster_plugin_statuses.app_error", nil, err.Error(), http.StatusInternalServerError)
+		}
+
+		pluginStatuses = append(pluginStatuses, clusterPluginStatuses...)
+	}
+
+	return pluginStatuses, nil
+}
+
+func (a *App) notifyPluginStatusesChanged() error {
+	pluginStatuses, err := a.GetClusterPluginStatuses()
+	if err != nil {
+		return err
+	}
+
+	// Notify any system admins.
+	message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PLUGIN_STATUSES_CHANGED, "", "", "", nil)
+	message.Add("plugin_statuses", pluginStatuses)
+	message.Broadcast.ContainsSensitiveData = true
+	a.Publish(message)
+
+	return nil
+}
-- 
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