78 lines
2.0 KiB
Rust
78 lines
2.0 KiB
Rust
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use failure::*;
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use serde_json::{json, Value};
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use proxmox::sys::linux::procfs;
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use proxmox::api::{api, ApiMethod, Router, RpcEnvironment, SubdirMap};
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use proxmox::api::list_subdirs_api_method;
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use crate::api2::types::*;
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#[api(
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input: {
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properties: {
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node: {
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schema: NODE_SCHEMA,
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},
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},
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},
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returns: {
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type: Object,
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description: "Returns node memory, CPU and (root) disk usage",
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properties: {
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memory: {
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type: Object,
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description: "node memory usage counters",
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properties: {
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total: {
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description: "total memory",
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type: Integer,
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},
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used: {
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description: "total memory",
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type: Integer,
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},
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free: {
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description: "free memory",
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type: Integer,
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},
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},
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},
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cpu: {
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type: Number,
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description: "Total CPU usage since last query.",
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optional: true,
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},
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}
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}
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)]
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/// Read node memory, CPU and (root) disk usage
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fn get_usage(
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_param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut dyn RpcEnvironment,
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) -> Result<Value, Error> {
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let meminfo: procfs::ProcFsMemInfo = procfs::read_meminfo()?;
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let kstat: procfs::ProcFsStat = procfs::read_proc_stat()?;
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Ok(json!({
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"memory": {
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"total": meminfo.memtotal,
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"used": meminfo.memused,
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"free": meminfo.memfree,
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},
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"cpu": kstat.cpu,
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}))
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}
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pub const USAGE_ROUTER: Router = Router::new()
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.get(&API_METHOD_GET_USAGE);
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pub const SUBDIRS: SubdirMap = &[
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("usage", &USAGE_ROUTER),
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];
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pub const ROUTER: Router = Router::new()
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.get(&list_subdirs_api_method!(SUBDIRS))
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.subdirs(SUBDIRS);
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