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vmm: Implement HTTP API for obtaining counters

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The counters are a hash of device name to hash of counter name to u64
value. Currently the API is only implemented with a stub that returns an
empty set of counters.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-06-24 11:20:13 +01:00
committed by Samuel Ortiz
parent fd4aba8eae
commit bca8a19244
5 changed files with 57 additions and 3 deletions
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18
vmm/src/api/http_endpoint.rs
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@@ -6,8 +6,9 @@
use crate::api::http::{error_response, EndpointHandler, HttpError};
use crate::api::{
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, ApiRequest, VmAction, VmConfig,
vm_counters, 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, ApiRequest, VmAction,
VmConfig,
};
use micro_http::{Body, Method, Request, Response, StatusCode, Version};
use std::sync::mpsc::Sender;
@@ -159,6 +160,19 @@ impl EndpointHandler for VmActionHandler {
}
}
}
fn get_handler(
&self,
api_notifier: EventFd,
api_sender: Sender<ApiRequest>,
_body: &Option<Body>,
) -> std::result::Result<Option<Body>, HttpError> {
use VmAction::*;
match self.action {
Counters => vm_counters(api_notifier, api_sender).map_err(HttpError::VmCounters),
_ => Err(HttpError::BadRequest),
}
}
}
// /api/v1/vm.info handler