Virtual machine ref_code API

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Virtual machine ref_code is the metadata attribute to get the details of the virtual machine from hypervisor. This feature is supported for the IBM® i and AIX® operating systems.

Note: ref_code update for IBM i operating system is only supported for virtual machines on a NovaLink host.

Rest API for ref_code metadata

Table 1. Options for ref_code metadata API
Method	URI	Description
POST	`v2.1/<tenant id>/servers/<server id>/metadata`	Updates the virtual machine `ref_code` attribute.
GET	`v2.1/<tenant id>/servers/<server id>/metadata`	Fetches updated metadata attribute of the virtual machine.

Update metadata

This operation updates the metadata attribute of the virtual machine.

Request URI

POST https://<powervc
ip>/powervc/openstack/compute/v2.1/<tenant id>/servers/<server
id>/metadata

Response codes

Normal response code: OK (200)
Error response code: Bad Request (400®), Forbidden (403), Not Found(404), Server Error (500)

Request parameters

Table 2. Parameters in the request for updating ref_code metadata
Name	Style	Type	Description
`powervc:vm_refcode_required`	body	Boolean	Update the `ref_code` parameter with `true` or `false`.

Request body

{
"metadata": {
    "powervc:vm_refcode_required": "true"
}
}

Table 3. Parameters in the response for updating ref_code metadata
Name	Style	Type	Description
`powervc:vm_refcode_required`	body	Boolean	Updates the `ref_code` parameter with `true` or `false`.
`orginal_host`	body	string	Returns hostname of the virtual machine deployed.

Response body

{
    "metadata": {
        "powervc:vm_refcode_required": "true",
        "original_host": "9109RMD_1031CAT",
    }
}

Get ref_code metadata for a virtual machine

This operation fetches updated metadata attribute of the virtual machine.

Request URI

GET: https://<powervc ip>/powervc/openstack/compute/v2.1/<tenant
id>/servers/<server id>/metadata

Response codes

Normal response code: OK (200)
Error response code: Bad Request (400), Forbidden (403), Not Found(404), Server Error (500)

Response body

Table 4. Parameters in response to fetch ref_code metadata
Name	Style	Type	Description
`powervc:vm_refcode`	body	Hexadecimal	Updates Hexadecimal value.
`powervc:vm_led_code`	body	string	Shows state of the virtual machine.
`powervc:vm_refcode_query_ts`	body	string	Timestamp for the ref_code
`powervc:vm_refcode_required`	body	Boolean	Updated ref_code parameter with `true` or `false`.

{
    "metadata": {
        "powervc:vm_refcode": "000e",
        "powervc:vm_led_code": "Surr_rebooting__________________",
        "powervc:vm_refcode_query_ts": "20201014052153955450",
        "powervc:vm_refcode_required": "true",
    }
}