Merge pull request #545 in YUNIONIO/onecloud from ~NINGYU/onecloud:feature/ningyu-add-underutilizedinstances to release/2.3.0

* commit 'd1680ade9512ee37e6e8d4a0624ed9f813a3b7ac':
  fix: 修改未充分利用的实例列表API的climc命名，目的是避免过长不易读
  feat: 添加cloudmon模块和climc underutilizedinstances-list

cmd/climc/shell/underutilizedinstances.go

@@ -0,0 +1,34 @@
+package shell
+
+import (
+	"yunion.io/x/jsonutils"
+	"yunion.io/x/onecloud/pkg/mcclient"
+	"yunion.io/x/onecloud/pkg/mcclient/modules"
+	"yunion.io/x/onecloud/pkg/mcclient/options"
+)
+
+func init() {
+
+	type UnderutilizedInstancesListOptions struct {
+		options.BaseListOptions
+	}
+	R(&UnderutilizedInstancesListOptions{}, "underutilized-instances-list", "List underutilized instances", func(s *mcclient.ClientSession, args *UnderutilizedInstancesListOptions) error {
+		var params *jsonutils.JSONDict
+		{
+			var err error
+			params, err = args.BaseListOptions.Params()
+			if err != nil {
+				return err
+
+			}
+		}
+		result, err := modules.UnderutilizedInstances.List(s, params)
+		if err != nil {
+			return err
+		}
+
+		printList(result, modules.UnderutilizedInstances.GetColumns(s))
+		return nil
+	})
+
+}

pkg/mcclient/modules/managers.go

@@ -25,6 +25,15 @@ func NewMonitorManager(keyword, keywordPlural string, columns, adminColumns []st
 		Keyword: keyword, KeywordPlural: keywordPlural}
 }
 
+func NewCloudmonManager(keyword, keywordPlural string, columns, adminColumns []string) ResourceManager {
+	return ResourceManager{
+		BaseManager: BaseManager{columns: columns,
+			adminColumns: adminColumns,
+			version:      "v1",
+			serviceType:  "cloudmon"},
+		Keyword: keyword, KeywordPlural: keywordPlural}
+}
+
 func NewNotifyManager(keyword, keywordPlural string, columns, adminColumns []string) ResourceManager {
 	return ResourceManager{
 		BaseManager: BaseManager{columns: columns,

pkg/mcclient/modules/mod_underutilizedinstances.go

@@ -0,0 +1,13 @@
+package modules
+
+var (
+	UnderutilizedInstances ResourceManager
+)
+
+func init() {
+	UnderutilizedInstances = NewCloudmonManager("underutilizedinstance", "underutilizedinstances",
+		[]string{"id", "vm_id", "vm_name", "time", "advices", "vm_cpu", "vm_disk", "vm_memory", "vm_provider"},
+		[]string{})
+
+	register(&UnderutilizedInstances)
+}