api2/node/status: extend node status

to be more on par with pve

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

src/api2/node/status.rs

@@ -12,6 +12,16 @@ use crate::api2::types::*;
 use crate::config::acl::{PRIV_SYS_AUDIT, PRIV_SYS_POWER_MANAGEMENT};
 use crate::tools::cert::CertInfo;
 
+impl std::convert::From<procfs::ProcFsCPUInfo> for NodeCpuInformation {
+    fn from(info: procfs::ProcFsCPUInfo) -> Self {
+        Self {
+            model: info.model,
+            sockets: info.sockets,
+            cpus: info.cpus,
+        }
+    }
+}
+
 #[api(
     input: {
         properties: {
@@ -40,13 +50,40 @@ fn get_status(
         free: meminfo.memfree,
     };
 
+    let swap = NodeSwapCounters {
+        total: meminfo.swaptotal,
+        used: meminfo.swapused,
+        free: meminfo.swapfree,
+    };
+
     let kstat: procfs::ProcFsStat = procfs::read_proc_stat()?;
     let cpu = kstat.cpu;
+    let wait = kstat.iowait_percent;
+
+    let loadavg = procfs::Loadavg::read()?;
+    let loadavg = [loadavg.one(), loadavg.five(), loadavg.fifteen()];
+
+    let cpuinfo = procfs::read_cpuinfo()?;
+    let cpuinfo = cpuinfo.into();
+
+    let uname = nix::sys::utsname::uname();
+    let kversion = format!(
+        "{} {} {}",
+        uname.sysname(),
+        uname.release(),
+        uname.version()
+    );
 
     Ok(NodeStatus {
         memory,
+        swap,
         root: crate::tools::disks::disk_usage(Path::new("/"))?,
+        uptime: procfs::read_proc_uptime()?.0 as u64,
+        loadavg,
+        kversion,
+        cpuinfo,
         cpu,
+        wait,
         info: NodeInformation {
             fingerprint: CertInfo::new()?.fingerprint()?,
         },

src/api2/types/mod.rs

@@ -1520,6 +1520,19 @@ pub struct NodeMemoryCounters {
     pub free: u64,
 }
 
+#[api]
+#[derive(Serialize, Deserialize, Default)]
+#[serde(rename_all = "kebab-case")]
+/// Node swap usage counters
+pub struct NodeSwapCounters {
+    /// Total swap
+    pub total: u64,
+    /// Used swap
+    pub used: u64,
+    /// Free swap
+    pub free: u64,
+}
+
 #[api]
 #[derive(Serialize,Deserialize,Default)]
 #[serde(rename_all = "kebab-case")]
@@ -1529,6 +1542,19 @@ pub struct NodeInformation {
     pub fingerprint: String,
 }
 
+#[api]
+#[derive(Serialize, Deserialize, Default)]
+#[serde(rename_all = "kebab-case")]
+/// Information about the CPU
+pub struct NodeCpuInformation {
+    /// The CPU model
+    pub model: String,
+    /// The number of CPU sockets
+    pub sockets: usize,
+    /// The number of CPU cores (incl. threads)
+    pub cpus: usize,
+}
+
 #[api(
     properties: {
         memory: {
@@ -1537,6 +1563,19 @@ pub struct NodeInformation {
         root: {
             type: StorageStatus,
         },
+        swap: {
+            type: NodeSwapCounters,
+        },
+        loadavg: {
+            type: Array,
+            items: {
+                type: Number,
+                description: "the load",
+            }
+        },
+        cpuinfo: {
+            type: NodeCpuInformation,
+        },
         info: {
             type: NodeInformation,
         }
@@ -1548,7 +1587,17 @@ pub struct NodeInformation {
 pub struct NodeStatus {
     pub memory: NodeMemoryCounters,
     pub root: StorageStatus,
+    pub swap: NodeSwapCounters,
+    /// The current uptime of the server.
+    pub uptime: u64,
+    /// Load for 1, 5 and 15 minutes.
+    pub loadavg: [f64; 3],
+    /// The current kernel version.
+    pub kversion: String,
     /// Total CPU usage since last query.
     pub cpu: f64,
+    /// Total IO wait since last query.
+    pub wait: f64,
+    pub cpuinfo: NodeCpuInformation,
     pub info: NodeInformation,
 }