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Help Center/ GaussDB/ API Reference/ Historical APIs/ Version Upgrade/ Querying Upgrade Types and Versions That Instances Can Be Upgraded to in Batches

Querying Upgrade Types and Versions That Instances Can Be Upgraded to in Batches

Updated on 2024-12-27 GMT+08:00

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Function

This API is used to query the available upgrade types and versions that instances can be upgraded to in batches. Before calling this API:

Learn how to authenticate this API.
Obtain the required region and endpoint.

URI

POST https://{Endpoint}/v3/{project_id}/instances/db-upgrade/candidate-versions

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Explanation: Project ID of a tenant in a region. For details about how to obtain the value, see Obtaining a Project ID. Restrictions: None Value range: The value can contain 32 characters. Only letters and digits are allowed. Default value: None

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
instance_ids	No	Array of strings	Instance IDs for batch upgrade.

Response Parameters

**Table 3** Response parameters
Parameter	Type	Description
upgrade_type_list	Array of Table 4 objects	Upgrade types. Array length: 0 to 1000
target_version	String	Target version. The target version is only returned when the instance is in the rolling upgrade phase, or no information is returned. Minimum length: 0 Maximum characters: 1000
upgrade_candidate_versions	Array of strings	Versions that can be upgraded, including major and minor versions. Minimum length: 0 Maximum characters: 1000 Array length: 0 to 1000
hotfix_upgrade_infos	Array of Table 6 objects	Information about hot patch versions that can be installed. Array length: 0 to 1000
hotfix_rollback_infos	Array of Table 6 objects	Information about hot patch versions that can be rolled back.

**Table 4** upgrade_type_list
Parameter	Type	Description
upgrade_type	String	Upgrade type. Value range: grey: Gray upgrade inplace: In-place upgrade hotfix: Hot patch installation
enable	Boolean	Check if the upgrade type is available. true: yes. false: no.
upgrade_action_list	Array of Table 5 objects	Upgrade actions. Array length: 0 to 1000
is_parallel_upgrade	Boolean	Whether intra-AZ parallel upgrade is supported. true: The current instance is in the rolling upgrade phase of the gray upgrade. The intra-AZ parallel upgrade is supported. Once this parameter is configured, it cannot be changed later. false: The current instance is being upgraded. The intra-AZ parallel upgrade is not supported. Once this parameter is configured, it cannot be changed later. null: The current instance is not in the upgrade process.

**Table 5** upgrade_action_list
Parameter	Type	Description
upgrade_action	String	Upgrade action. Value range: upgrade: Upgrade upgradeAutoCommit: Auto-commit commit: Commit rollback: Rollback
enable	Boolean	Check if the upgrade type is available. true: yes. false: no.

**Table 6** hotfix_upgrade_infos
Parameter	Type	Description
version	String	Hot patch version.
common_patch	String	Patch type. Value range: common: common patch certain: custom patch
backup_sensitive	Boolean	Whether the patch is related to backups. Value range: true: The patch is related to backups. false: The patch is not related to backups.
descripition	String	Description of the patch.

Example Request

This API is used to query the available upgrade types and versions that instances can be upgraded to in batches. Before calling this API:

POST https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/0483b6b16e954cb88930a360d2c4e663/instances/db-upgrade/candidate-versions
{ 
  "instance_ids" : [ "cc0ae5c47bf94834bf9e44138f7f995ain14", "aa0ae5c47bf94834bf9e44138f7f995ain14" ] 
}

Example Response

Available upgrade types and versions that instances can be upgraded to in batches queried.

{
    "upgrade_type_list": [
        {
            "upgrade_type": "grey",
            "upgrade_action_list": [
                {
                    "upgrade_action": "commit",
                    "enable": false
                },
                {
                    "upgrade_action": "rollback",
                    "enable": false
                },
                {
                    "upgrade_action": "upgrade",
                    "enable": true
                },
                {
                    "upgrade_action": "upgradeAutoCommit",
                    "enable": true
                }
            ],
            "enable": true,
            "is_parallel_upgrade": null
        },
        {
            "upgrade_type": "inplace",
            "upgrade_action_list": [
                {
                    "upgrade_action": "upgradeAutoCommit",
                    "enable": true
                }
            ],
            "enable": true,
            "is_parallel_upgrade": null
        },
        {
            "upgrade_type": "hotfix",
            "upgrade_action_list": [
                {
                    "upgrade_action": "upgradeAutoCommit",
                    "enable": false
                },
                {
                    "upgrade_action": "rollback",
                    "enable": false
                }
            ],
            "enable": false,
            "is_parallel_upgrade": null
        }
    ],
    "upgrade_candidate_versions": [
        "8.302.90"
    ],
    "target_version": null,
    "hotfix_upgrade_infos": [],
    "hotfix_rollback_infos": []
}