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vmm: api: Add "add-vsock" API entry point

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This allows the hotplugging of vsock devices.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-04-28 16:21:22 +01:00
parent bf09a1e695
commit 8de7448d44
6 changed files with 114 additions and 9 deletions
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52
vmm/src/api/http_endpoint.rs
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@@ -5,11 +5,11 @@
use crate::api::http::EndpointHandler;
use crate::api::{
vm_add_device, vm_add_disk, vm_add_fs, vm_add_net, vm_add_pmem, vm_boot, vm_create, vm_delete,
vm_info, vm_pause, vm_reboot, vm_remove_device, vm_resize, vm_restore, vm_resume, vm_shutdown,
vm_snapshot, vmm_ping, vmm_shutdown, ApiError, ApiRequest, ApiResult, DeviceConfig, DiskConfig,
FsConfig, NetConfig, PmemConfig, RestoreConfig, VmAction, VmConfig, VmRemoveDeviceData,
VmResizeData, VmSnapshotConfig,
vm_add_device, vm_add_disk, vm_add_fs, vm_add_net, vm_add_pmem, vm_add_vsock, vm_boot,
vm_create, vm_delete, vm_info, vm_pause, vm_reboot, vm_remove_device, vm_resize, vm_restore,
vm_resume, vm_shutdown, vm_snapshot, vmm_ping, vmm_shutdown, ApiError, ApiRequest, ApiResult,
DeviceConfig, DiskConfig, FsConfig, NetConfig, PmemConfig, RestoreConfig, VmAction, VmConfig,
VmRemoveDeviceData, VmResizeData, VmSnapshotConfig, VsockConfig,
};
use micro_http::{Body, Method, Request, Response, StatusCode, Version};
use serde_json::Error as SerdeError;
@@ -79,6 +79,9 @@ pub enum HttpError {
/// Could not add a network device to a VM
VmAddNet(ApiError),
/// Could not add a vsock device to a VM
VmAddVsock(ApiError),
}
fn error_response(error: HttpError, status: StatusCode) -> Response {
@@ -604,3 +607,42 @@ impl EndpointHandler for VmAddNet {
}
}
}
// /api/v1/vm.add-vsock handler
pub struct VmAddVsock {}
impl EndpointHandler for VmAddVsock {
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 VsockConfig
let vm_add_vsock_data: VsockConfig =
match serde_json::from_slice(body.raw())
.map_err(HttpError::SerdeJsonDeserialize)
{
Ok(config) => config,
Err(e) => return error_response(e, StatusCode::BadRequest),
};
match vm_add_vsock(api_notifier, api_sender, Arc::new(vm_add_vsock_data))
.map_err(HttpError::VmAddVsock)
{
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),
}
}
}