cli-mock/brain.proto

@@ -40,6 +40,23 @@ message NewVMRequest {
   string dtrfs_sha = 14;
 }
 
+message UpdateVMRequest {
+  string uuid = 1;
+  uint32 disk_size_gb = 2;
+  uint32 vcpus = 3;
+  uint32 memory_mb = 4;
+  string kernel_url = 5;
+  string kernel_sha = 6;
+  string dtrfs_url = 7;
+  string dtrfs_sha = 8;
+}
+
+message UpdateVMResp {
+  string uuid = 1;
+  string timestamp = 2;
+  string error = 3;
+}
+
 message VMContract {
   string uuid = 1;
   string hostname = 2;
@@ -79,6 +96,7 @@ service BrainDaemonService {
   rpc SendVMConfirmations (stream NewVMConfirmation) returns (Empty);
   rpc DeletedVMUpdates (NodePubkey) returns (stream DeletedVMUpdate);
   rpc ListVMContracts (ListVMContractsReq) returns (stream VMContract);
+  rpc UpdateVMs (NodePubkey) returns (stream UpdateVMRequest);
 }
 
 message NodeFilters {
@@ -105,5 +123,5 @@ service BrainCliService {
   rpc ListVMContracts (ListVMContractsReq) returns (stream VMContract);
   rpc ListNodes (NodeFilters) returns (stream NodeListResp);
   rpc DeleteVM (DeletedVMUpdate) returns (Empty);
+  rpc UpdateVM (UpdateVMRequest) returns (UpdateVMResp);
 }
-

cli-mock/src/main.rs

@@ -6,7 +6,7 @@ pub mod brain {
 use anyhow::Result;
 use brain::{
     brain_cli_service_client::BrainCliServiceClient, DeletedVmUpdate, ListVmContractsReq,
-    NewVmRequest, NodeFilters, NodeListResp, VmContract,
+    NewVmRequest, NodeFilters, NodeListResp, VmContract, UpdateVmRequest, UpdateVmResp,
 };
 use lazy_static::lazy_static;
 use log::{debug, info, warn};
@@ -135,6 +135,24 @@ async fn delete_vm(mut client: BrainCliServiceClient<Channel>, uuid: &str) -> Re
     Ok(())
 }
 
+async fn update_vm(mut client: BrainCliServiceClient<Channel>, uuid: &str) -> Result<UpdateVmResp> {
+    info!("Updatind VM {uuid}");
+    let req = UpdateVmRequest {
+        uuid: String::new(),
+        vcpus: 4,
+        memory_mb: 4096,
+        disk_size_gb: 40,
+        kernel_url: "thisIsMyNewURL".to_string(),
+        kernel_sha: "thisIsMyNewSha".to_string(),
+        dtrfs_url: "thisIsMyNewURL".to_string(),
+        dtrfs_sha: "thisIsMyNewSha".to_string(),
+    };
+
+    let result = client.update_vm(req).await;
+
+    result.map(|msg| msg.into_inner()).map_err(|e| anyhow::Error::new(e))
+}
+
 #[tokio::main]
 async fn main() -> Result<()> {
     env_logger::builder()
@@ -154,6 +172,13 @@ async fn main() -> Result<()> {
         }
     }
 
+    let contracts = list_contracts(client.clone()).await?;
+    for contract in contracts {
+        if let Err(e) = update_vm(client.clone(), &contract.uuid).await {
+            log::error!("Received error when updating VM {}: {e:?}", &contract.uuid);
+        }
+    }
+
     if std::env::var("DELETE_VMS").is_err() {
         return Ok(());
     }

daemon-mock/Cargo.lock

@@ -26,6 +26,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -200,6 +215,12 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -212,23 +233,53 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "325918d6fe32f23b19878fe4b34794ae41fc19ddbe53b10571a4874d44ffd39b"
 
+[[package]]
+name = "cc"
+version = "1.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c31a0499c1dc64f458ad13872de75c0eb7e3fdb0e67964610c914b034fc5956e"
+dependencies = [
+ "shlex",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-targets",
+]
+
 [[package]]
 name = "colorchoice"
 version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
 [[package]]
 name = "daemon-mock"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "chrono",
  "env_logger",
  "lazy_static",
  "log",
@@ -502,6 +553,29 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.3"
@@ -543,6 +617,16 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
+[[package]]
+name = "js-sys"
+version = "0.3.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -611,6 +695,15 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "defc4c55412d89136f966bbb339008b474350e5e6e78d2714439c386b3137a03"
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "object"
 version = "0.36.7"
@@ -867,6 +960,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1127,6 +1226,69 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
+dependencies = [
+ "bumpalo",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
+
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"

daemon-mock/Cargo.toml

@@ -5,6 +5,7 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.94"
+chrono = "0.4.39"
 env_logger = "0.11.6"
 lazy_static = "1.5.0"
 log = "0.4.22"

daemon-mock/brain.proto

@@ -40,6 +40,23 @@ message NewVMRequest {
   string dtrfs_sha = 14;
 }
 
+message UpdateVMRequest {
+  string uuid = 1;
+  uint32 disk_size_gb = 2;
+  uint32 vcpus = 3;
+  uint32 memory_mb = 4;
+  string kernel_url = 5;
+  string kernel_sha = 6;
+  string dtrfs_url = 7;
+  string dtrfs_sha = 8;
+}
+
+message UpdateVMResp {
+  string uuid = 1;
+  string timestamp = 2;
+  string error = 3;
+}
+
 message VMContract {
   string uuid = 1;
   string hostname = 2;
@@ -79,6 +96,7 @@ service BrainDaemonService {
   rpc SendVMConfirmations (stream NewVMConfirmation) returns (Empty);
   rpc DeletedVMUpdates (NodePubkey) returns (stream DeletedVMUpdate);
   rpc ListVMContracts (ListVMContractsReq) returns (stream VMContract);
+  rpc UpdateVMs (NodePubkey) returns (stream UpdateVMRequest);
 }
 
 message NodeFilters {
@@ -105,5 +123,5 @@ service BrainCliService {
   rpc ListVMContracts (ListVMContractsReq) returns (stream VMContract);
   rpc ListNodes (NodeFilters) returns (stream NodeListResp);
   rpc DeleteVM (DeletedVMUpdate) returns (Empty);
+  rpc UpdateVM (UpdateVMRequest) returns (UpdateVMResp);
 }
-

daemon-mock/src/main.rs

@@ -6,7 +6,7 @@ pub mod brain {
 use anyhow::Result;
 use brain::{
     brain_daemon_service_client::BrainDaemonServiceClient, DeletedVmUpdate, NewVmConfirmation,
-    NewVmRequest, NodePubkey, RegisterNodeRequest,
+    NewVmRequest, NodePubkey, RegisterNodeRequest, UpdateVmRequest, UpdateVmResp
 };
 use lazy_static::lazy_static;
 use log::{debug, error, info, warn};
@@ -16,6 +16,7 @@ use tokio::{sync::mpsc::Receiver, sync::mpsc::Sender, task::JoinSet};
 use tokio_stream::wrappers::ReceiverStream;
 use tokio_stream::StreamExt;
 use tonic::transport::Channel;
+use chrono;
 
 lazy_static! {
     static ref SECURE_PUBLIC_KEY: String = generate_random_string();
@@ -115,6 +116,48 @@ async fn listen_for_deleted_vms(
     Ok(())
 }
 
+async fn listen_for_update_vm_reqs(
+    mut client: BrainDaemonServiceClient<Channel>,
+    tx: Sender<UpdateVmRequest>,
+) -> Result<()> {
+    debug!("starting listen_for_update_vm_reqs");
+    let node_pubkey = SECURE_PUBLIC_KEY.clone();
+    let mut grpc_stream = client
+        .update_v_ms(NodePubkey { node_pubkey })
+        .await?
+        .into_inner(); 
+    while let Some(stream_update) = grpc_stream.next().await {
+        match stream_update {
+            Ok(req) => {
+                info!("Received update vm request: {req:?}");
+                let _ = tx.send(req).await;
+            }
+            Err(e) => {
+                warn!("Brain disconnected from listen_for_update_vm_reqs: {e}");
+            }
+        }
+    }
+    debug!("listen_for_update_vm_reqs is about to exit");
+    Ok(())
+}
+
+async fn handle_update_vm_requests(
+    mut req: Receiver<UpdateVmRequest>,
+    resp: Sender<UpdateVmResp>,
+) {
+    info!("Started to handle update vm requests.");
+    while let Some(update_vm) = req.recv().await {
+        let response = UpdateVmResp {
+            uuid: update_vm.uuid.clone(),
+            timestamp: chrono::Utc::now().to_rfc3339(),
+            error: String::new(),
+        };
+        info!("Sending UpdateVmResp: {response:?}");
+        let _ = resp.send(response).await;
+    }
+    warn!("update vm request handler is ending");
+}
+
 async fn handle_vm_requests(mut req: Receiver<NewVmRequest>, resp: Sender<NewVmConfirmation>) {
     info!("Started to handle vm requests. 1 out of 5 requests will return error.");
     let mut i = 0;
@@ -178,6 +221,15 @@ async fn connect_and_run() -> Result<()> {
         handle_vm_requests(newvm_rx, confirm_tx).await;
     });
 
+    let updatevm_client = client.clone();
+    let (update_tx, update_rx) = tokio::sync::mpsc::channel(6);
+    streaming_tasks.spawn(listen_for_update_vm_reqs(updatevm_client, update_tx));
+
+    let (update_resp_tx, _) = tokio::sync::mpsc::channel(6);
+    tokio::spawn(async move {
+        handle_update_vm_requests(update_rx, update_resp_tx).await;
+    });
+
     let deletevms_client = client.clone();
     let (tx, _deletevm_rx) = tokio::sync::mpsc::channel(6);
     streaming_tasks.spawn(listen_for_deleted_vms(deletevms_client, tx));