告警信息增加设备名称(name)和设备备注(note) (#460)

* fix port check and push debug log

1：如果服务没有监听在 0.0.0.0 上，而是监听在特定地址上的话，在 127.0.0.1 上无法检测到端口。修改为如果 127.0.0.1 检测不到话，在 identity 的地址上再检测一次。
2. http push 部分缺乏 debug 日志，把 debug log 改到 push 里面以补全。

* Update cron.go

* notify add resource name and note

* Update notify.go

etc/mail.tpl

@@ -163,6 +163,14 @@
                     <th>告警设备：</th>
                     <td>{{.Endpoint}}</td>
                 </tr>
+                <tr>
+                    <th>设备名称：</th>
+                    <td>{{.Name}}</td>
+                </tr>
+                <tr>
+                    <th>设备备注：</th>
+                    <td>{{.Note}}</td>
+                </tr>
                 <tr>
                     <th>挂载节点：</th>
                     <td>

etc/sms.tpl

@@ -2,6 +2,8 @@
 级别状态：{{.Status}}
 策略名称：{{.Sname}}
 告警设备：{{.Endpoint}}
+设备名称：{{.Name}}
+设备备注：{{.Note}}
 挂载节点：
 {{range .Bindings}}{{.}}
 {{end}}监控指标：{{.Metric}}

src/models/resource.go

@@ -54,6 +54,15 @@ func ResourceIdsByIdents(idents []string) ([]int64, error) {
 	return ids, err
 }
 
+func ResourcesByIdents(idents []string) ([]Resource, error) {
+	if len(idents) == 0 {
+		return []Resource{}, nil
+	}
+	var resouces = []Resource{}
+	err := DB["rdb"].Table(new(Resource)).In("ident", idents).Find(&resouces)
+	return resouces, err
+}
+
 func ResourceIdentsByIds(ids []int64) ([]string, error) {
 	if len(ids) == 0 {
 		return []string{}, nil

src/modules/monapi/notify/notify.go

@@ -108,11 +108,14 @@ func genContent(isUpgrade bool, events []*models.Event) (string, string) {
 		}
 	}
 
+	resources := getResources(events)
+
 	metric := strings.Join(metricList, ",")
 
 	status := genStatus(events)
 	sname := events[cnt-1].Sname
 	endpoint := genEndpoint(events)
+	name, note := genNameAndNoteByResources(resources)
 	tags := genTags(events)
 	value := events[cnt-1].Value
 	info := events[cnt-1].Info
@@ -156,6 +159,8 @@ func genContent(isUpgrade bool, events []*models.Event) (string, string) {
 		"Status":       status,
 		"Sname":        sname,
 		"Endpoint":     endpoint,
+		"Name":         name,
+		"Note":         note,
 		"CurNodePath":  curNodePath,
 		"Metric":       metric,
 		"Tags":         tags,
@@ -282,6 +287,38 @@ func HostBindingsForMon(endpointList []string) ([]string, error) {
 	return list, nil
 }
 
+func getResources(events []*models.Event) []models.Resource {
+	idents := []string{}
+	for i := 0; i < len(events); i++ {
+		idents = append(idents, events[i].Endpoint)
+	}
+	resources, err := models.ResourcesByIdents(idents)
+	if err != nil {
+		logger.Errorf("get resources by idents failed : %v", err)
+	}
+	return resources
+}
+
+func genNameAndNoteByResources(resources []models.Resource) (name, note string) {
+	names := []string{}
+	notes := []string{}
+	for i := 0; i < len(resources); i++ {
+		names = append(names, resources[i].Name)
+		notes = append(notes, resources[i].Note)
+	}
+	names = config.Set(names)
+	notes = config.Set(notes)
+
+	if len(resources) == 1 {
+		name = names[0]
+		note = notes[0]
+		return
+	}
+	name = fmt.Sprintf("%s（%v）", strings.Join(names, ","), len(names))
+	note = fmt.Sprintf("%s（%v）", strings.Join(notes, ","), len(notes))
+	return
+}
+
 func getEndpoint(events []*models.Event) []string {
 	endpointList := []string{}
 	for i := 0; i < len(events); i++ {