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vmm: Add "add-disk" to the API

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Add the HTTP and internal API entry points for adding disks at runtime.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-03-23 16:21:58 +00:00
parent 164ec2b8e6
commit f2151b2734
4 changed files with 95 additions and 6 deletions
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49
vmm/src/api/http_endpoint.rs
View File

@@ -5,9 +5,10 @@
use crate::api::http::EndpointHandler;
use crate::api::{
vm_add_device, vm_boot, vm_create, vm_delete, vm_info, vm_pause, vm_reboot, vm_remove_device,
vm_resize, vm_resume, vm_shutdown, vmm_ping, vmm_shutdown, ApiError, ApiRequest, ApiResult,
DeviceConfig, VmAction, VmConfig, VmRemoveDeviceData, VmResizeData,
vm_add_device, vm_add_disk, vm_boot, vm_create, vm_delete, vm_info, vm_pause, vm_reboot,
vm_remove_device, vm_resize, vm_resume, vm_shutdown, vmm_ping, vmm_shutdown, ApiError,
ApiRequest, ApiResult, DeviceConfig, DiskConfig, VmAction, VmConfig, VmRemoveDeviceData,
VmResizeData,
};
use micro_http::{Body, Method, Request, Response, StatusCode, Version};
use serde_json::Error as SerdeError;
@@ -59,6 +60,9 @@ pub enum HttpError {
/// Could not handle VMM ping
VmmPing(ApiError),
/// Could not add a disk to a VM
VmAddDisk(ApiError),
}
fn error_response(error: HttpError, status: StatusCode) -> Response {
@@ -352,3 +356,42 @@ impl EndpointHandler for VmRemoveDevice {
}
}
}
// /api/v1/vm.add-disk handler
pub struct VmAddDisk {}
impl EndpointHandler for VmAddDisk {
fn handle_request(
&self,
req: &Request,
api_notifier: EventFd,
api_sender: Sender<ApiRequest>,
) -> Response {
match req.method() {
Method::Put => {
match &req.body {
Some(body) => {
// Deserialize into a DiskConfig
let vm_add_disk_data: DiskConfig = match serde_json::from_slice(body.raw())
.map_err(HttpError::SerdeJsonDeserialize)
{
Ok(config) => config,
Err(e) => return error_response(e, StatusCode::BadRequest),
};
// Call vm_add_device()
match vm_add_disk(api_notifier, api_sender, Arc::new(vm_add_disk_data))
.map_err(HttpError::VmAddDisk)
{
Ok(_) => Response::new(Version::Http11, StatusCode::NoContent),
Err(e) => error_response(e, StatusCode::InternalServerError),
}
}
None => Response::new(Version::Http11, StatusCode::BadRequest),
}
}
_ => Response::new(Version::Http11, StatusCode::BadRequest),
}
}
}