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vmm: enable coredump

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Based on the newly added guest_debug feature, this patch adds http
endpoint support.

Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Co-authored-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Yi Wang
2022-05-10 19:21:02 +08:00
committed by Sebastien Boeuf
parent ccb604e1e1
commit 8b585b96c1
6 changed files with 59 additions and 1 deletions
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2
vmm/src/api/http.rs
View File

@@ -161,6 +161,8 @@ lazy_static! {
r.routes.insert(endpoint!("/vm.send-migration"), Box::new(VmActionHandler::new(VmAction::SendMigration(Arc::default()))));
r.routes.insert(endpoint!("/vm.shutdown"), Box::new(VmActionHandler::new(VmAction::Shutdown)));
r.routes.insert(endpoint!("/vm.snapshot"), Box::new(VmActionHandler::new(VmAction::Snapshot(Arc::default()))));
#[cfg(feature = "guest_debug")]
r.routes.insert(endpoint!("/vm.coredump"), Box::new(VmActionHandler::new(VmAction::Coredump(Arc::default()))));
r.routes.insert(endpoint!("/vmm.ping"), Box::new(VmmPing {}));
r.routes.insert(endpoint!("/vmm.shutdown"), Box::new(VmmShutdown {}));

8
vmm/src/api/http_endpoint.rs
View File

@@ -4,6 +4,8 @@
//
use crate::api::http::{error_response, EndpointHandler, HttpError};
#[cfg(feature = "guest_debug")]
use crate::api::vm_coredump;
use crate::api::{
vm_add_device, vm_add_disk, vm_add_fs, vm_add_net, vm_add_pmem, vm_add_user_device,
vm_add_vdpa, vm_add_vsock, vm_boot, vm_counters, vm_create, vm_delete, vm_info, vm_pause,
@@ -151,6 +153,12 @@ impl EndpointHandler for VmActionHandler {
api_sender,
Arc::new(serde_json::from_slice(body.raw())?),
),
#[cfg(feature = "guest_debug")]
Coredump(_) => vm_coredump(
api_notifier,
api_sender,
Arc::new(serde_json::from_slice(body.raw())?),
),
ReceiveMigration(_) => vm_receive_migration(
api_notifier,
api_sender,

28
vmm/src/api/mod.rs
View File

@@ -99,6 +99,9 @@ pub enum ApiError {
/// The VM could not restored.
VmRestore(VmError),
/// The VM could not be coredumped.
VmCoredump(VmError),
/// The VMM could not shutdown.
VmmShutdown(VmError),
@@ -189,6 +192,12 @@ pub struct VmSnapshotConfig {
pub destination_url: String,
}
#[derive(Clone, Deserialize, Serialize, Default, Debug)]
pub struct VmCoredumpData {
/// The coredump destination file
pub destination_url: String,
}
#[derive(Clone, Deserialize, Serialize, Default, Debug)]
pub struct VmReceiveMigrationData {
/// URL for the reception of migration state
@@ -310,6 +319,10 @@ pub enum ApiRequest {
/// Restore from a VM snapshot
VmRestore(Arc<RestoreConfig>, Sender<ApiResponse>),
/// Take a VM coredump
#[cfg(feature = "guest_debug")]
VmCoredump(Arc<VmCoredumpData>, Sender<ApiResponse>),
/// Incoming migration
VmReceiveMigration(Arc<VmReceiveMigrationData>, Sender<ApiResponse>),
@@ -402,6 +415,10 @@ pub enum VmAction {
/// Snapshot VM
Snapshot(Arc<VmSnapshotConfig>),
/// Coredump VM
#[cfg(feature = "guest_debug")]
Coredump(Arc<VmCoredumpData>),
/// Incoming migration
ReceiveMigration(Arc<VmReceiveMigrationData>),
@@ -441,6 +458,8 @@ fn vm_action(
ResizeZone(v) => ApiRequest::VmResizeZone(v, response_sender),
Restore(v) => ApiRequest::VmRestore(v, response_sender),
Snapshot(v) => ApiRequest::VmSnapshot(v, response_sender),
#[cfg(feature = "guest_debug")]
Coredump(v) => ApiRequest::VmCoredump(v, response_sender),
ReceiveMigration(v) => ApiRequest::VmReceiveMigration(v, response_sender),
SendMigration(v) => ApiRequest::VmSendMigration(v, response_sender),
PowerButton => ApiRequest::VmPowerButton(response_sender),
@@ -526,6 +545,15 @@ pub fn vm_restore(
vm_action(api_evt, api_sender, VmAction::Restore(data))
}
#[cfg(feature = "guest_debug")]
pub fn vm_coredump(
api_evt: EventFd,
api_sender: Sender<ApiRequest>,
data: Arc<VmCoredumpData>,
) -> ApiResult<Option<Body>> {
vm_action(api_evt, api_sender, VmAction::Coredump(data))
}
pub fn vm_info(api_evt: EventFd, api_sender: Sender<ApiRequest>) -> ApiResult<VmInfo> {
let (response_sender, response_receiver) = channel();