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hanode.get

説明

integer/array hanode.get(object parameters)

このメソッドは、指定されたパラメーターに従って High availability cluster node のリストを取得することができます。

このメソッドは、Super admin ユーザータイプにのみ使用できます。このメソッドを呼び出す許可は、ユーザーロール設定で取り消すことができます。
詳細については、User rolesを参照してください。

パラメータ

(object) 希望する出力を定義するパラメータ

このメソッドは、以下のパラメータをサポートしています。

パラメータ Type 説明
ha_nodeids string/array Return only nodes with the given node IDs.
filter object Return only those results that exactly match the given filter.

Accepts an array, where the keys are property names, and the values are either a single value or an array of values to match against.

Allows filtering by the node properties: name, address, status.
sortfield string/array Sort the result by the given properties.

Possible values are: name, lastaccess, status.
countOutput flag These parameters being common for all get methods are described in detail in the reference commentary.
limit integer
output query
preservekeys boolean
sortorder string/array

戻り値

(integer/array) のいずれかを返します:

  • オブジェクトの配列
  • もし countOutput パラメータが使用されている場合は、取得したオブジェクトの数

ノードのリストを状態順に取得

リクエスト:

{
           "jsonrpc": "2.0",
           "method": "hanode.get",
           "params": {
               "preservekeys": true,
               "sortfield": "status",
               "sortorder": "DESC"
           },
           "auth": "3a57200802b24cda67c4e4010b50c065",
           "id": 1
       }

レスポンス:

{
         "jsonrpc": "2.0",
         "result": {
           "ckuo7i1nw000h0sajj3l3hh8u": {
             "ha_nodeid": "ckuo7i1nw000h0sajj3l3hh8u",
             "name": "node-active",
             "address": "192.168.1.13",
             "port": "10051",
             "lastaccess": "1635335704",
             "status": "3"
           },
           "ckuo7i1nw000e0sajwfttc1mp": {
             "ha_nodeid": "ckuo7i1nw000e0sajwfttc1mp",
             "name": "node6",
             "address": "192.168.1.10",
             "port": "10053",
             "lastaccess": "1635332902",
             "status": "2"
           },
           "ckuo7i1nv000c0sajz85xcrtt": {
             "ha_nodeid": "ckuo7i1nv000c0sajz85xcrtt",
             "name": "node4",
             "address": "192.168.1.8",
             "port": "10052",
             "lastaccess": "1635334214",
             "status": "1"
           },
           "ckuo7i1nv000a0saj1fcdkeu4": {
             "ha_nodeid": "ckuo7i1nv000a0saj1fcdkeu4",
             "name": "node2",
             "address": "192.168.1.6",
             "port": "10051",
             "lastaccess": "1635335705",
             "status": "0"
           }
         },
         "id": 1
       }

特定のノードのIDによるリストの取得

リクエスト:

{
           "jsonrpc": "2.0",
           "method": "hanode.get",
           "params": {
               "ha_nodeids": ["ckuo7i1nw000e0sajwfttc1mp", "ckuo7i1nv000c0sajz85xcrtt"]
           },
           "auth": "3a57200802b24cda67c4e4010b50c065",
           "id": 1
       }

レスポンス:

{
           "jsonrpc": "2.0",
           "result": [
               {
                   "ha_nodeid": "ckuo7i1nv000c0sajz85xcrtt",
                   "name": "node4",
                   "address": "192.168.1.8",
                   "port": "10052",
                   "lastaccess": "1635334214",
                   "status": "1"
               },
               {
                   "ha_nodeid": "ckuo7i1nw000e0sajwfttc1mp",
                   "name": "node6",
                   "address": "192.168.1.10",
                   "port": "10053",
                   "lastaccess": "1635332902",
                   "status": "2"
               }
           ],
           "id": 1
       }

停止しているノードのリストを取得

リクエスト:

{
           "jsonrpc": "2.0",
           "method": "hanode.get",
           "params": {
               "output": ["ha_nodeid", "address", "port"],
               "filter": {
                   "status": 1
               }
           },
           "auth": "3a57200802b24cda67c4e4010b50c065",
           "id": 1
       }

レスポンス:

{
           "jsonrpc": "2.0",
           "result": [
               {
                   "ha_nodeid": "ckuo7i1nw000g0sajjsjre7e3",
                   "address": "192.168.1.12",
                   "port": "10051"
               },
               {
                   "ha_nodeid": "ckuo7i1nv000c0sajz85xcrtt",
                   "address": "192.168.1.8",
                   "port": "10052"
               },
               {
                   "ha_nodeid": "ckuo7i1nv000d0sajd95y1b6x",
                   "address": "192.168.1.9",
                   "port": "10053"
               }
           ],
           "id": 1
       }

待機ノード数の取得

リクエスト:

{
           "jsonrpc": "2.0",
           "method": "hanode.get",
           "params": {
               "countOutput": true,
               "filter": {
                   "status": 0
               }
           },
           "auth": "3a57200802b24cda67c4e4010b50c065",
           "id": 1
       }

レスポンス:

{
           "jsonrpc": "2.0",
           "result": "3",
           "id": 1
       }

特定のIPアドレスのノードの状態を確認

リクエスト:

{
           "jsonrpc": "2.0",
           "method": "hanode.get",
           "params": {
               "output": ["name", "status"],
               "filter": {
                   "address": ["192.168.1.7", "192.168.1.13"]
               }
           },
           "auth": "3a57200802b24cda67c4e4010b50c065",
           "id": 1
       }

レスポンス:

{
           "jsonrpc": "2.0",
           "result": [
               {
                   "name": "node3",
                   "status": "0"
               },
               {
                   "name": "node-active",
                   "status": "3"
               }
           ],
           "id": 1
       }

ソース

CHaNode::get() in ui/include/classes/api/services/CHaNode.php.