feat: collect memory size in bytes and the number of logical cores

common/src/lib.rs

@@ -89,6 +89,10 @@ pub struct WorkerHeartbeat {
     pub identifier: WorkerIdentifier,
     /// The git commit of buildit
     pub git_commit: Option<String>,
+    /// Total memory in bytes
+    pub memory_bytes: u64,
+    /// Number of logical cores
+    pub logical_cores: u64,
 }
 
 pub async fn ensure_job_queue(queue_name: &str, channel: &Channel) -> anyhow::Result<Queue> {

worker/Cargo.toml

@@ -17,10 +17,12 @@ futures = "0.3.30"
 gethostname = "0.4.3"
 lapin = "2.3.1"
 log = "0.4.20"
+num_cpus = "1.16.0"
 once_cell = "1.19.0"
 reqwest = "0.11.24"
 serde = { version = "1.0.196", features = ["derive"] }
 serde_json = "1.0.113"
+sysinfo = "0.30.5"
 tokio = { version = "1.36.0", features = ["macros", "rt-multi-thread", "process", "sync", "fs"] }
 
 [build-dependencies]

worker/src/heartbeat.rs

@@ -23,6 +23,8 @@ pub async fn heartbeat_worker_inner(args: &Args) -> anyhow::Result<()> {
                         pid: std::process::id(),
                     },
                     git_commit: option_env!("VERGEN_GIT_DESCRIBE").map(String::from),
+                    memory_bytes: sysinfo::System::new_all().total_memory(),
+                    logical_cores: num_cpus::get() as u64,
                 })
                 .unwrap(),
                 BasicProperties::default(),