doc-exports/docs/dcs/api-ref/BatchShowNodesInformation.html
Chen, Junjie a03981f7be DCS API 20230220 Version
Reviewed-by: Bobkova, Natalia <natalia.bobkova@t-systems.com>
Co-authored-by: Chen, Junjie <chenjunjie@huawei.com>
Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
2024-04-22 14:08:39 +00:00

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<a name="BatchShowNodesInformation"></a><a name="BatchShowNodesInformation"></a>
<h1 class="topictitle1">Querying Instance Nodes in Batches</h1>
<div><div class="section"><h4 class="sectiontitle">Function</h4><p>This API is used to query the node information, number of valid instances, and number of nodes of all instances in a specified project. No node information will be returned when the instance is being created. Available for Redis 4.0 and later instances.</p>
</div>
<div class="section"><h4 class="sectiontitle">Constraints</h4><p>Available for Redis 4.0 and later instances.</p>
</div>
<div class="section" id="BatchShowNodesInformation__atuogenerate_1"><h4 class="sectiontitle">URI</h4><p>GET /v2/{project_id}/instances-logical-nodes</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Path Parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.3.3.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.1 "><p>project_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.3.2.5.1.4 "><p>Project ID. For details, see <a href="dcs-api-0312045.html">Obtaining a Project ID</a>.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Query Parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.4.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.4.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.4.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.3.4.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.4.2.5.1.1 "><p>offset</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.4.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.4.2.5.1.3 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.4.2.5.1.4 "><p>Offset, which is the position where the query starts. The value must be greater than or equal to 0.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.4.2.5.1.1 "><p>limit</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.4.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.4.2.5.1.3 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.4.2.5.1.4 "><p>Number of items displayed on each page. The maximum value is <strong>1000</strong>*. If this parameter is not specified, 10 items are displayed on each page by default.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Request Parameters</h4><p>None</p>
</div>
<div class="section"><h4 class="sectiontitle">Response Parameters</h4><p><strong>Status code: 200</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__response_BatchInstanceNodesInfoResp" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.3.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.3.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.5.3.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.4.1.1 "><p>count</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.3.2.4.1.3 "><p>Total number of instances in the query result.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.4.1.1 "><p>instances</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.3.2.4.1.2 "><p>Array of <a href="#BatchShowNodesInformation__response_InstanceNodesInfoResp">InstanceNodesInfoResp</a> objects</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.3.2.4.1.3 "><p>Instance list.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="BatchShowNodesInformation__response_InstanceNodesInfoResp"></a><a name="response_InstanceNodesInfoResp"></a><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__response_InstanceNodesInfoResp" frame="border" border="1" rules="all"><caption><b>Table 4 </b>InstanceNodesInfoResp</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.4.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.4.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.5.4.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.4.2.4.1.1 "><p>instance_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.4.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.4.2.4.1.3 "><p>Instance ID.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.4.2.4.1.1 "><p>node_count</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.4.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.4.2.4.1.3 "><p>Total number of nodes of the current instance.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.4.2.4.1.1 "><p>nodes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.4.2.4.1.2 "><p>Array of <a href="#BatchShowNodesInformation__response_NodesInfoResp">NodesInfoResp</a> objects</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.4.2.4.1.3 "><p>Node details.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="BatchShowNodesInformation__response_NodesInfoResp"></a><a name="response_NodesInfoResp"></a><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__response_NodesInfoResp" frame="border" border="1" rules="all"><caption><b>Table 5 </b>NodesInfoResp</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.5.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.5.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.5.5.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>logical_node_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Logical node ID.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>name</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>status</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node status. The value can be:</p>
<ul><li><p><strong>Creating</strong></p>
</li><li><p><strong>Active</strong>: running</p>
</li><li><p><strong>Inactive</strong>: faulty</p>
</li><li><p><strong>Deleting</strong></p>
</li><li><p><strong>AddSharding</strong>: Shards are being added.</p>
</li></ul>
<p>Enumeration values:</p>
<ul><li><p><strong>Creating</strong></p>
</li><li><p><strong>Active</strong></p>
</li><li><p><strong>Inactive</strong></p>
</li><li><p><strong>Deleting</strong></p>
</li><li><p><strong>AddSharding</strong></p>
</li></ul>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>az_code</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>AZ code.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>node_role</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node type. Options:</p>
<ul><li><p><strong>redis-server</strong>: Redis server node</p>
</li><li><p><strong>redis-proxy</strong>: proxy node</p>
</li></ul>
<p>Enumeration values:</p>
<ul><li><p><strong>redis-server</strong></p>
</li><li><p><strong>redis-proxy</strong></p>
</li></ul>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>node_type</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node role. Options:</p>
<ul><li><p><strong>master</strong>: master node</p>
</li><li><p><strong>slave</strong>: standby node</p>
</li><li><p><strong>proxy</strong>: node of a Proxy Cluster instance</p>
</li></ul>
<p>Enumeration values:</p>
<ul><li><p><strong>master</strong></p>
</li><li><p><strong>slave</strong></p>
</li><li><p><strong>proxy</strong></p>
</li></ul>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>node_ip</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node IP address.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>node_port</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node port.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>node_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Node ID.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>priority_weight</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>Integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Replica promotion priority.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>is_access</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Whether the IP address of the node can be directly accessed.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>group_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Shard ID.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>group_name</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Shard name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>is_remove_ip</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Whether the IP address is removed from the read-only domain name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>replication_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Replica ID.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.1 "><p>dimensions</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.4.1.2 "><p>Array of <a href="#BatchShowNodesInformation__response_InstanceReplicationDimensionsInfo">InstanceReplicationDimensionsInfo</a> objects</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.5.2.4.1.3 "><p>Monitoring metric dimension of the replica used to call the Cloud Eye API for querying monitoring metrics.</p>
<ul><li><p>Replica monitoring is multi-dimensional. The returned array contains information about two dimensions. When querying monitoring data from Cloud Eye, transfer parameters of multiple dimensions to obtain the metric data.</p>
</li><li><p>The first dimension is the primary dimension of the replica. The dimension name is <strong>dcs_instance_id</strong>, and the dimension value is the ID of the instance where the replica is located.</p>
</li><li><p>The name of the second dimension is <strong>dcs_cluster_redis_node</strong>, and the dimension value is the ID of the monitored object of the replica, which is different from the replica ID or node ID.</p>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="BatchShowNodesInformation__response_InstanceReplicationDimensionsInfo"></a><a name="response_InstanceReplicationDimensionsInfo"></a><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__response_InstanceReplicationDimensionsInfo" frame="border" border="1" rules="all"><caption><b>Table 6 </b>InstanceReplicationDimensionsInfo</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.6.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.6.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.5.6.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.6.2.4.1.1 "><p>name</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.6.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.6.2.4.1.3 "><p>Monitoring dimension name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.6.2.4.1.1 "><p>value</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.6.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.6.2.4.1.3 "><p>Dimension value.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 500</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__response_ErrorResponse" frame="border" border="1" rules="all"><caption><b>Table 7 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.8.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.8.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.5.8.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.8.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.8.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.8.2.4.1.3 "><p>Error message.</p>
<p>Maximum: <strong>1024</strong></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.8.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.8.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.8.2.4.1.3 "><p>Error code.</p>
<p>Maximum: <strong>9</strong></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.8.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.8.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.8.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
<p>Maximum: <strong>1024</strong></p>
</td>
</tr>
</tbody>
</table>
</div>
<p><strong>Status code: 400</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__response_ErrorResponse_1" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.10.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.5.10.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.5.10.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.10.2.4.1.1 "><p>error_msg</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.10.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.10.2.4.1.3 "><p>Error message.</p>
<p>Maximum: <strong>1024</strong></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.10.2.4.1.1 "><p>error_code</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.10.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.10.2.4.1.3 "><p>Error code.</p>
<p>Maximum: <strong>9</strong></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.10.2.4.1.1 "><p>error_ext_msg</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.10.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.5.10.2.4.1.3 "><p>Extended error information. This parameter is not used currently and is set to <strong>null</strong>.</p>
<p>Maximum: <strong>1024</strong></p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Example Requests</h4><pre class="screen">GET https://{dcs_endpoint}/v2/{project_id}/instances-logical-nodes?offset={offset}&amp;limit={limit}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Example Responses</h4><p><strong>Status code: 200</strong></p>
<p>Node information queried successfully.</p>
<pre class="screen">{
"count" : 1,
"instances" : [ {
"instance_id" : "b4468cb1-4f75-4866-a49d-86959acc0c9c",
"node_count" : 2,
"nodes" : [ {
"logical_node_id" : "8f997eb512a92834bf5914be52ca8919",
"name" : "(replica)192.168.0.178",
"status" : "Active",
"az_code" : "region01",
"node_role" : "redis-server",
"node_type" : "slave",
"node_ip" : "192.168.0.178",
"node_port" : "6379",
"node_id" : "8a2c26c17f4d6516017f4d7b77940030",
"is_access" : true,
"group_id" : "ace962d1-7841-4e50-9313-c239fd75dee3",
"group_name" : "group-0",
"priority_weight" : 100,
"is_remove_ip" : false,
"replication_id" : "e40aa09e-03c2-4319-86eb-5ef4ca637544",
"dimensions" : [ {
"name" : "dcs_instance_id",
"value" : "caf2d19f-7783-44b0-be46-8c9da3ef1e94"
}, {
"name" : "dcs_cluster_redis_node",
"value" : "8263dc69629c5b2d840e9816fa9c6200"
} ]
} ]
} ]
}</pre>
<p><strong>Status code: 500</strong></p>
<p>Internal service error.</p>
<pre class="screen">{
"error_code" : "DCS.5000",
"error_msg" : "Internal service error."
}</pre>
<p><strong>Status code: 400</strong></p>
<p>Invalid request.</p>
<pre class="screen">{
"error_code" : "DCS.4800",
"error_msg" : "Invalid offset in the request."
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Status Codes</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="BatchShowNodesInformation__status_code" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.8.2.1.3.1.1"><p>Status Code</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="85%" id="mcps1.3.8.2.1.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>200</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Node information queried successfully.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>500</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Internal service error.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.8.2.1.3.1.1 "><p>400</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.8.2.1.3.1.2 "><p>Invalid request.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Error Codes</h4><p>See <a href="ErrorCode.html">Error Codes</a>.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="GroupReplicationManagement.html">Shards and Replicas</a></div>
</div>
</div>