How to query the available resource information of an availability zone when upgrading or downgrading instance specifications or system disks

The content of this article is about how to query the available resource information of a certain availability zone when upgrading and downgrading instance specifications or system disks. It has certain reference value. Friends in need can refer to it. Hope it helps.

DescribeResourcesModification

Request Parameters

# #Return parameters

##AvailableResourcesType

##SupportedResourcesType

##Example

Request example

https://ecs.aliyuncs.com/?Action=DescribeResourcesModification
&DestinationResource=InstanceType
&RegionId=cn-hangzhou
&<公共请求参数>

Return example

XML format

<DescribeResourcesModificationResponse>
    <AvailableZones>
        <AvailableZone>
            <ZoneId>cn-hangzhou-d</ZoneId>
            <RegionId>cn-hangzhou</RegionId>
            <Status>Available</Status>
            <AvailableResources>
                <AvailableResource>
                    <Type>instanceType</Type>
                    <SupportedResources>
                        <SupportedResource>
                            <Value>ecs.d1ne.xlarge</Value>
                            <Status>Available</Status>
                        </SupportedResource>
                         <SupportedResource>
                            <Value>ecs.d1ne.2xlarge</Value>
                            <Status>Available</Status>
                        </SupportedResource>
                    </SupportedResources>
                </AvailableResource>
            </AvailableResources>
        </AvailableZone>
        <AvailableZone>
            <ZoneId>cn-hangzhou-e</ZoneId>
            <RegionId>cn-hangzhou</RegionId>
            <Status>Available</Status>
            <AvailableResources>
                <AvailableResource>
                    <Type>instanceType</Type>
                    <SupportedResources>
                        <SupportedResource>
                            <Value>ecs.d1ne.xlarge</Value>
                            <Status>Available</Status>
                        </SupportedResource>
                         <SupportedResource>
                            <Value>ecs.d1ne.2xlarge</Value>
                            <Status>Available</Status>
                        </SupportedResource>
                    </SupportedResources>
                </AvailableResource>
            </AvailableResources>
        </AvailableZone>
    </AvailableZones>
    <RequestId>6DB97BCC-92BA-424D-A7C8-3F6486612BAE</RequestId>
</DescribeResourcesModificationResponse>

JSON format

{
    "RequestId": "D0233A65-7F00-4B50-8023-101427229D4F",
    "AvailableZones": {
        "AvailableZone": [
            {
                "Status": "available",
                "RegionId": "cn-hangzhou",
                "AvailableResources": {
                    "AvailableResource": [
                        {
                            "Type": "instanceType",
                            "SupportedResources": {
                                "SupportedResource": [
                                    {
                                        "Status": "available",
                                        "Value": "ecs.sn1ne.xlarge"
                                    },
                                    {
                                        "Status": "available",
                                        "Value": "ecs.sn2ne.xlarge"
                                    }
                                ]
                            }
                        }
                    ]
                },
                "ZoneId": "cn-hangzhou-e",
            }
        ]
    }
}

Error code

The following are error codes unique to this interface. For more error codes, please visit the API Error Center.

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