From 3fccec1bb8b47fc39083133b9a22526bddc81957 Mon Sep 17 00:00:00 2001
From: Alexander Zobnin <alexanderzobnin@gmail.com>
Date: Tue, 24 Sep 2019 19:28:34 +0300
Subject: [PATCH] Initial boilerplate backend plugin

---
 pkg/datasource.go                 | 17 ++++++++++++++++
 pkg/models.go                     |  1 +
 pkg/plugin.go                     | 33 +++++++++++++++++++++++++++++++
 src/datasource-zabbix/plugin.json | 10 +++++++---
 4 files changed, 58 insertions(+), 3 deletions(-)
 create mode 100644 pkg/datasource.go
 create mode 100644 pkg/models.go
 create mode 100644 pkg/plugin.go

diff --git a/pkg/datasource.go b/pkg/datasource.go
new file mode 100644
index 0000000..e72f843
--- /dev/null
+++ b/pkg/datasource.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"github.com/grafana/grafana_plugin_model/go/datasource"
+	hclog "github.com/hashicorp/go-hclog"
+	plugin "github.com/hashicorp/go-plugin"
+	"golang.org/x/net/context"
+)
+
+type ZabbixDatasource struct {
+	plugin.NetRPCUnsupportedPlugin
+	logger hclog.Logger
+}
+
+func (ds *ZabbixDatasource) Query(ctx context.Context, tsdbReq *datasource.DatasourceRequest) (*datasource.DatasourceResponse, error) {
+	return nil, ctx.Err()
+}
diff --git a/pkg/models.go b/pkg/models.go
new file mode 100644
index 0000000..06ab7d0
--- /dev/null
+++ b/pkg/models.go
@@ -0,0 +1 @@
+package main
diff --git a/pkg/plugin.go b/pkg/plugin.go
new file mode 100644
index 0000000..151887c
--- /dev/null
+++ b/pkg/plugin.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"github.com/grafana/grafana_plugin_model/go/datasource"
+	hclog "github.com/hashicorp/go-hclog"
+	plugin "github.com/hashicorp/go-plugin"
+)
+
+var pluginLogger = hclog.New(&hclog.LoggerOptions{
+	Name:  "zabbix-datasource",
+	Level: hclog.LevelFromString("DEBUG"),
+})
+
+func main() {
+	pluginLogger.Debug("Running Zabbix backend datasource")
+
+	plugin.Serve(&plugin.ServeConfig{
+
+		HandshakeConfig: plugin.HandshakeConfig{
+			ProtocolVersion:  1,
+			MagicCookieKey:   "grafana_plugin_type",
+			MagicCookieValue: "datasource",
+		},
+		Plugins: map[string]plugin.Plugin{
+			"zabbix-backend-datasource": &datasource.DatasourcePluginImpl{Plugin: &ZabbixDatasource{
+				logger: pluginLogger,
+			}},
+		},
+
+		// A non-nil value here enables gRPC serving for this plugin...
+		GRPCServer: plugin.DefaultGRPCServer,
+	})
+}
diff --git a/src/datasource-zabbix/plugin.json b/src/datasource-zabbix/plugin.json
index 2e33d85..4f8618b 100644
--- a/src/datasource-zabbix/plugin.json
+++ b/src/datasource-zabbix/plugin.json
@@ -3,6 +3,13 @@
   "name": "Zabbix",
   "id": "alexanderzobnin-zabbix-datasource",
 
+  "metrics": true,
+  "annotations": true,
+
+  "backend": true,
+  "alerting": false,
+  "executable": "../zabbix-plugin",
+
   "includes": [
     {
       "type": "dashboard",
@@ -21,9 +28,6 @@
     }
   ],
 
-  "metrics": true,
-  "annotations": true,
-
   "queryOptions": {
     "maxDataPoints": true
   },