{
    "event_type": "instance.volume_swap.start",
    "payload": {
        "nova_object.data": {
            "architecture": "x86_64",
            "availability_zone": "nova",
            "block_devices": [{
                "nova_object.data": {
                    "boot_index": null,
                    "delete_on_termination": false,
                    "device_name": "/dev/sdb",
                    "tag": null,
                    "volume_id": "a07f71dc-8151-4e7d-a0cc-cd24a3f11113"
                },
                "nova_object.name": "BlockDevicePayload",
                "nova_object.namespace": "nova",
                "nova_object.version": "1.0"
            }],
            "created_at": "2012-10-29T13:42:11Z",
            "deleted_at": null,
            "display_name": "some-server",
            "display_description":"some-server",
            "fault": null,
            "flavor": {
                "nova_object.data": {
                    "flavorid": "a22d5517-147c-4147-a0d1-e698df5cd4e3",
                    "name": "test_flavor",
                    "root_gb": 1,
                    "vcpus": 1,
                    "ephemeral_gb": 0,
                    "memory_mb": 512,
                    "disabled": false,
                    "rxtx_factor": 1.0,
                    "extra_specs": {
                        "hw:watchdog_action": "disabled"
                    },
                    "projects": null,
                    "swap": 0,
                    "is_public": true,
                    "vcpu_weight": 0
                },
                "nova_object.name": "FlavorPayload",
                "nova_object.namespace": "nova",
                "nova_object.version": "1.3"
            },
            "host": "compute",
            "host_name": "some-server",
            "image_uuid": "155d900f-4e14-4e4c-a73d-069cbf4541e6",
            "ip_addresses": [{
                "nova_object.data": {
                    "address": "192.168.1.3",
                    "device_name": "tapce531f90-19",
                    "label": "private-network",
                    "meta": {},
                    "port_uuid": "ce531f90-199f-48c0-816c-13e38010b442",
                    "version": 4,
                    "mac": "fa:16:3e:4c:2c:30"
                },
                "nova_object.name": "IpPayload",
                "nova_object.namespace": "nova",
                "nova_object.version": "1.0"
            }],
            "key_name": "my-key",
            "kernel_id": "",
            "launched_at": "2012-10-29T13:42:11Z",
            "metadata": {},
            "locked":false,
            "new_volume_id": "227cc671-f30b-4488-96fd-7d0bf13648d8",
            "node": "fake-mini",
            "old_volume_id": "a07f71dc-8151-4e7d-a0cc-cd24a3f11113",
            "os_type": null,
            "power_state":"running",
            "progress": 0,
            "ramdisk_id": "",
            "reservation_id": "r-6w6ruqaz",
            "state": "active",
            "task_state": null,
            "tenant_id": "6f70656e737461636b20342065766572",
            "terminated_at": null,
            "auto_disk_config":"MANUAL",
            "updated_at": "2012-10-29T13:42:11Z",
            "user_id": "fake",
            "uuid": "0ab886d0-7443-4107-9265-48371bfa662b"
        },
        "nova_object.name": "InstanceActionVolumeSwapPayload",
        "nova_object.namespace": "nova",
        "nova_object.version": "1.5"
    },
    "priority": "INFO",
    "publisher_id": "nova-compute:compute"
}