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Merge pull request #5840 from tzY15368/feat-runtimers-direct-vol

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Implement direct-volume commands handler for shim-mgmt
This commit is contained in:
James O. D. Hunt 2023-03-13 07:58:40 +00:00 committed by GitHub
commit ae9be1d94b
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10 changed files with 133 additions and 14 deletions
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6
src/libs/shim-interface/src/shim_mgmt/client.rs
View File

@ -53,7 +53,7 @@ impl MgmtClient {
.method(Method::GET)
.uri(url)
.body(Body::empty())?;
return self.send_request(req).await;
self.send_request(req).await
}
/// The HTTP Post method for client
@ -72,7 +72,7 @@ impl MgmtClient {
.uri(url)
.header("content-type", content_type)
.body(body)?;
return self.send_request(req).await;
self.send_request(req).await
}
/// The http PUT method for client
@ -82,7 +82,7 @@ impl MgmtClient {
.method(Method::PUT)
.uri(url)
.body(Body::from(data))?;
return self.send_request(req).await;
self.send_request(req).await
}
async fn send_request(&self, req: Request<Body>) -> Result<Response<Body>> {

2
src/runtime-rs/Cargo.lock generated
View File

@ -2452,6 +2452,7 @@ dependencies = [
name = "runtimes"
version = "0.1.0"
dependencies = [
"agent",
"anyhow",
"common",
"hyper",
@ -2470,6 +2471,7 @@ dependencies = [
"slog",
"slog-scope",
"tokio",
"url",
"virt_container",
"wasm_container",
]

4
src/runtime-rs/crates/agent/src/kata/agent.rs
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@ -115,5 +115,7 @@ impl_agent!(
copy_file | crate::CopyFileRequest | crate::Empty | None,
get_oom_event | crate::Empty | crate::OomEventResponse | Some(0),
get_ip_tables | crate::GetIPTablesRequest | crate::GetIPTablesResponse | None,
set_ip_tables | crate::SetIPTablesRequest | crate::SetIPTablesResponse | None
set_ip_tables | crate::SetIPTablesRequest | crate::SetIPTablesResponse | None,
get_volume_stats | crate::VolumeStatsRequest | crate::VolumeStatsResponse | None,
resize_volume | crate::ResizeVolumeRequest | crate::Empty | None
);

45
src/runtime-rs/crates/agent/src/kata/trans.rs
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@ -8,7 +8,7 @@ use std::convert::Into;
use protocols::{
agent::{self, OOMEvent},
empty, health, types,
csi, empty, health, types,
};
use crate::{
@ -20,11 +20,12 @@ use crate::{
GetIPTablesResponse, GuestDetailsResponse, HealthCheckResponse, HugetlbStats, IPAddress,
IPFamily, Interface, Interfaces, KernelModule, MemHotplugByProbeRequest, MemoryData,
MemoryStats, NetworkStats, OnlineCPUMemRequest, PidsStats, ReadStreamRequest,
ReadStreamResponse, RemoveContainerRequest, ReseedRandomDevRequest, Route, Routes,
SetGuestDateTimeRequest, SetIPTablesRequest, SetIPTablesResponse, SignalProcessRequest,
StatsContainerResponse, Storage, StringUser, ThrottlingData, TtyWinResizeRequest,
UpdateContainerRequest, UpdateInterfaceRequest, UpdateRoutesRequest, VersionCheckResponse,
WaitProcessRequest, WriteStreamRequest,
ReadStreamResponse, RemoveContainerRequest, ReseedRandomDevRequest, ResizeVolumeRequest,
Route, Routes, SetGuestDateTimeRequest, SetIPTablesRequest, SetIPTablesResponse,
SignalProcessRequest, StatsContainerResponse, Storage, StringUser, ThrottlingData,
TtyWinResizeRequest, UpdateContainerRequest, UpdateInterfaceRequest, UpdateRoutesRequest,
VersionCheckResponse, VolumeStatsRequest, VolumeStatsResponse, WaitProcessRequest,
WriteStreamRequest,
},
OomEventResponse, WaitProcessResponse, WriteStreamResponse,
};
@ -846,3 +847,35 @@ impl From<agent::OOMEvent> for OomEventResponse {
}
}
}
impl From<VolumeStatsRequest> for agent::VolumeStatsRequest {
fn from(from: VolumeStatsRequest) -> Self {
Self {
volume_guest_path: from.volume_guest_path,
unknown_fields: Default::default(),
cached_size: Default::default(),
}
}
}
impl From<csi::VolumeStatsResponse> for VolumeStatsResponse {
fn from(from: csi::VolumeStatsResponse) -> Self {
let result: String = format!(
"Usage: {:?} Volume Condition: {:?}",
from.get_usage(),
from.get_volume_condition()
);
Self { data: result }
}
}
impl From<ResizeVolumeRequest> for agent::ResizeVolumeRequest {
fn from(from: ResizeVolumeRequest) -> Self {
Self {
volume_guest_path: from.volume_guest_path,
size: from.size,
unknown_fields: Default::default(),
cached_size: Default::default(),
}
}
}

6
src/runtime-rs/crates/agent/src/lib.rs
View File

@ -23,8 +23,8 @@ pub use types::{
ReseedRandomDevRequest, ResizeVolumeRequest, Route, Routes, SetGuestDateTimeRequest,
SetIPTablesRequest, SetIPTablesResponse, SignalProcessRequest, StatsContainerResponse, Storage,
TtyWinResizeRequest, UpdateContainerRequest, UpdateInterfaceRequest, UpdateRoutesRequest,
VersionCheckResponse, WaitProcessRequest, WaitProcessResponse, WriteStreamRequest,
WriteStreamResponse,
VersionCheckResponse, VolumeStatsRequest, VolumeStatsResponse, WaitProcessRequest,
WaitProcessResponse, WriteStreamRequest, WriteStreamResponse,
};
use anyhow::Result;
@ -88,4 +88,6 @@ pub trait Agent: AgentManager + HealthService + Send + Sync {
async fn get_oom_event(&self, req: Empty) -> Result<OomEventResponse>;
async fn get_ip_tables(&self, req: GetIPTablesRequest) -> Result<GetIPTablesResponse>;
async fn set_ip_tables(&self, req: SetIPTablesRequest) -> Result<SetIPTablesResponse>;
async fn get_volume_stats(&self, req: VolumeStatsRequest) -> Result<VolumeStatsResponse>;
async fn resize_volume(&self, req: ResizeVolumeRequest) -> Result<Empty>;
}

10
src/runtime-rs/crates/agent/src/types.rs
View File

@ -579,6 +579,16 @@ pub struct ResizeVolumeRequest {
pub size: u64,
}
#[derive(PartialEq, Clone, Default, Debug)]
pub struct VolumeStatsRequest {
pub volume_guest_path: String,
}
#[derive(PartialEq, Clone, Default, Debug)]
pub struct VolumeStatsResponse {
pub data: String,
}
#[cfg(test)]
mod test {
use std::convert::TryFrom;

2
src/runtime-rs/crates/runtimes/Cargo.toml
View File

@ -15,7 +15,9 @@ hyper = { version = "0.14.20", features = ["stream", "server", "http1"] }
hyperlocal = "0.8"
serde_json = "1.0.88"
nix = "0.25.0"
url = "2.3.1"
agent = { path = "../agent" }
common = { path = "./common" }
kata-types = { path = "../../../libs/kata-types" }
kata-sys-util = { path = "../../../libs/kata-sys-util" }

2
src/runtime-rs/crates/runtimes/common/src/sandbox.rs
View File

@ -26,4 +26,6 @@ pub trait Sandbox: Send + Sync {
// utils
async fn set_iptables(&self, is_ipv6: bool, data: Vec<u8>) -> Result<Vec<u8>>;
async fn get_iptables(&self, is_ipv6: bool) -> Result<Vec<u8>>;
async fn direct_volume_stats(&self, volume_path: &str) -> Result<String>;
async fn direct_volume_resize(&self, resize_req: agent::ResizeVolumeRequest) -> Result<()>;
}

49
src/runtime-rs/crates/runtimes/src/shim_mgmt/handlers.rs
View File

@ -7,12 +7,17 @@
// This defines the handlers corresponding to the url when a request is sent to destined url,
// the handler function should be invoked, and the corresponding data will be in the response
use anyhow::{anyhow, Result};
use agent::ResizeVolumeRequest;
use anyhow::{anyhow, Context, Result};
use common::Sandbox;
use hyper::{Body, Method, Request, Response, StatusCode};
use std::sync::Arc;
use url::Url;
use shim_interface::shim_mgmt::{AGENT_URL, IP6_TABLE_URL, IP_TABLE_URL};
use shim_interface::shim_mgmt::{
AGENT_URL, DIRECT_VOLUME_PATH_KEY, DIRECT_VOLUME_RESIZE_URL, DIRECT_VOLUME_STATS_URL,
IP6_TABLE_URL, IP_TABLE_URL,
};
// main router for response, this works as a multiplexer on
// http arrival which invokes the corresponding handler function
@ -34,6 +39,10 @@ pub(crate) async fn handler_mux(
(&Method::PUT, IP6_TABLE_URL) | (&Method::GET, IP6_TABLE_URL) => {
ipv6_table_handler(sandbox, req).await
}
(&Method::POST, DIRECT_VOLUME_STATS_URL) => direct_volume_stats_handler(sandbox, req).await,
(&Method::POST, DIRECT_VOLUME_RESIZE_URL) => {
direct_volume_resize_handler(sandbox, req).await
}
_ => Ok(not_found(req).await),
}
}
@ -101,3 +110,39 @@ async fn generic_ip_table_handler(
_ => Err(anyhow!("IP Tables only takes PUT and GET")),
}
}
async fn direct_volume_stats_handler(
sandbox: Arc<dyn Sandbox>,
req: Request<Body>,
) -> Result<Response<Body>> {
let params = Url::parse(&req.uri().to_string())
.map_err(|e| anyhow!(e))?
.query_pairs()
.into_owned()
.collect::<std::collections::HashMap<String, String>>();
let volume_path = params
.get(DIRECT_VOLUME_PATH_KEY)
.context("shim-mgmt: volume path key not found in request params")?;
let result = sandbox.direct_volume_stats(volume_path).await;
match result {
Ok(stats) => Ok(Response::new(Body::from(stats))),
_ => Err(anyhow!("handler: Failed to get volume stats")),
}
}
async fn direct_volume_resize_handler(
sandbox: Arc<dyn Sandbox>,
req: Request<Body>,
) -> Result<Response<Body>> {
let body = hyper::body::to_bytes(req.into_body()).await?;
// unserialize json body into resizeRequest struct
let resize_req: ResizeVolumeRequest =
serde_json::from_slice(&body).context("shim-mgmt: deserialize resizeRequest failed")?;
let result = sandbox.direct_volume_resize(resize_req).await;
match result {
Ok(_) => Ok(Response::new(Body::from(""))),
_ => Err(anyhow!("handler: Failed to resize volume")),
}
}

21
src/runtime-rs/crates/runtimes/virt_container/src/sandbox.rs
View File

@ -8,6 +8,7 @@ use std::sync::Arc;
use agent::{
self, kata::KataAgent, types::KernelModule, Agent, GetIPTablesRequest, SetIPTablesRequest,
VolumeStatsRequest,
};
use anyhow::{anyhow, Context, Result};
use async_trait::async_trait;
@ -326,6 +327,26 @@ impl Sandbox for VirtSandbox {
self.agent.agent_sock().await
}
async fn direct_volume_stats(&self, volume_guest_path: &str) -> Result<String> {
let req: agent::VolumeStatsRequest = VolumeStatsRequest {
volume_guest_path: volume_guest_path.to_string(),
};
let result = self
.agent
.get_volume_stats(req)
.await
.context("sandbox: failed to process direct volume stats query")?;
Ok(result.data)
}
async fn direct_volume_resize(&self, resize_req: agent::ResizeVolumeRequest) -> Result<()> {
self.agent
.resize_volume(resize_req)
.await
.context("sandbox: failed to resize direct-volume")?;
Ok(())
}
async fn set_iptables(&self, is_ipv6: bool, data: Vec<u8>) -> Result<Vec<u8>> {
info!(sl!(), "sb: set_iptables invoked");
let req = SetIPTablesRequest { is_ipv6, data };