Database upgrade modules requests

Upgrade Redis module requests

Method Path Description
POST /v1/bdbs/{uid}/modules/upgrade Upgrade module

Upgrade module

POST /v1/bdbs/{string: uid}/modules/upgrade

Upgrades module version on a specific BDB.

Required permissions

Permission name
edit_bdb_module

Request

Example HTTP request

POST /bdbs/1/modules/upgrade

Example JSON body

{
     "modules": [
         {"module_name": "ReJson",
         "current_semantic_version": "2.2.1",
         "new_module": "aa3648d79bd4082d414587c42ea0b234"}
     ],
     "// Optional fields to fine-tune restart and failover behavior:",
     "preserve_roles": true,
     "may_discard_data": false
}

Request headers

Key Value Description
Host cnm.cluster.fqdn Domain name
Accept application/json Accepted media type

Request body

Field Type Description
modules list List of dicts representing the modules that will be upgraded. Each dict must include:

• current_module: uid of a module to upgrade

• new_module: UID of the module we want to upgrade to

• new_module_args: args list for the new module
preserve_roles boolean Preserve shards’ master/replica roles (optional)
may_discard_data boolean Discard data in a non-replicated non-persistent bdb (optional)

Response

Returns the upgraded module object.

Example JSON body

{
    "uid": 1,
    "name": "name of database #1",
    "module_id": "aa3648d79bd4082d414587c42ea0b234",
    "module_name": "ReJson",
    "semantic_version": "2.2.2"
    "// additional fields..."
}

Error codes

When errors are reported, the server may return a JSON object with error_code and message field that provide additional information. The following are possible error_code values:

Code Description
missing_module Module is not present in cluster.
module_downgrade_unsupported Module downgrade is not allowed.
redis_incompatible_version Module min_redis_version is bigger than the current Redis version.
redis_pack_incompatible_version Module min_redis_pack_version is bigger than the current Redis Enterprise version.
unsupported_module_capabilities New version of module does support all the capabilities needed for the database configuration

Status codes

Code Description
200 OK Success, module updated on bdb.
404 Not Found bdb or node not found.
400 Bad Request Bad or missing configuration parameters.
406 Not Acceptable The requested configuration is invalid.
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