New commit detected on ManageIQ/manageiq/fine:

https://github.com/ManageIQ/manageiq/commit/d2e16459393bdd1db0b4533a42c39bf12f6f88dd
commit d2e16459393bdd1db0b4533a42c39bf12f6f88dd
Author:     Alberto Bellotti <abellotti.github.com>
AuthorDate: Tue Feb 13 10:13:40 2018 -0500
Commit:     Alberto Bellotti <abellotti.github.com>
CommitDate: Tue Feb 13 10:13:40 2018 -0500

    Merge pull request #312 from jntullo/deep_symbolize_request

    Deep symbolize keys when parsing options
    (cherry picked from commit 4e7edaad50c50b266858ec071f0cc60ad127feec)

    Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1623574

 lib/services/api/request_parser.rb | 2 +-
 spec/lib/services/api/request_parser_spec.rb | 6 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

With API Payload like : 

{
    "action": "create",
    "options": {
        "src_ids": [
            "7"
        ],
        "request_type": "vm_reconfigure",
        "disk_add": [
            {
                "disk_size_in_mb": 2048,
                "sync": true,
                "datastore": "Datastore_1",
                "persistent": true,
                "thin_provisioned": false,
                "dependent": true,
                "bootable": false
            }
        ]
    },
    "auto_approve": false
}

to API : https://{{ appliance_ip  }}/api/requests


I was able to reconfigure VM to create a new disk and attach to the VM by vm_id.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:2745