fix: disque via statvfs() — valeurs identiques à df

Remplace sysinfo::Disks par un appel direct à libc::statvfs("/"). - used = (f_blocks − f_bfree) × f_frsize → correspond à df "Utilisé" - free = f_bavail × f_frsize → correspond à df "Dispo" - total = f_blocks × f_frsize Avant (sysinfo) : used comptait les blocs réservés root → surestimation de ~3-4 Go. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
fix: conserver les métriques lentes (disque, smart) entre les paquets
2026-05-22 20:21:58 +02:00 · 2026-05-22 20:14:45 +02:00 · 2026-05-22 20:07:40 +02:00 · 2026-05-22 20:06:21 +02:00 · 2026-05-22 19:58:02 +02:00 · 2026-05-22 19:54:10 +02:00
29 changed files with 365 additions and 144 deletions
@@ -0,0 +1,9 @@
+[target.x86_64-unknown-linux-musl]
+linker = "musl-gcc"
+
+[target.aarch64-unknown-linux-musl]
+linker = "aarch64-linux-gnu-gcc"
+
+[env]
+CC_aarch64_unknown_linux_musl = "aarch64-linux-gnu-gcc"
+AR_aarch64_unknown_linux_musl = "aarch64-linux-gnu-ar"
@@ -10,4 +10,10 @@ server/*.test
 # OS
 .DS_Store
 Thumbs.db
-config.toml
+# Config locaux (contiennent des IPs/secrets)
+agent/config.toml
+server/config.toml
+
+# Sauf les configs cargo (pas de secrets)
+!.cargo/config.toml
+!agent/.cargo/config.toml
@@ -0,0 +1,9 @@
+[target.x86_64-unknown-linux-musl]
+linker = "musl-gcc"
+
+[target.aarch64-unknown-linux-musl]
+linker = "aarch64-linux-gnu-gcc"
+
+[env]
+CC_aarch64_unknown_linux_musl = "aarch64-linux-gnu-gcc"
+AR_aarch64_unknown_linux_musl = "aarch64-linux-gnu-ar"
@@ -38,9 +38,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"

 [[package]]
 name = "core-foundation"
-version = "0.10.1"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
 dependencies = [
 "core-foundation-sys",
 "libc",
@@ -65,7 +65,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
 "libc",
- "windows-sys",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -97,21 +97,6 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"

-[[package]]
-name = "foreign-types"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
-dependencies = [
- "foreign-types-shared",
-]
-
-[[package]]
-name = "foreign-types-shared"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
-
 [[package]]
 name = "futures-core"
 version = "0.3.32"
@@ -142,6 +127,17 @@ dependencies = [
 "slab",
 ]

+[[package]]
+name = "getrandom"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.4.2"
@@ -247,13 +243,14 @@ checksum = "50b7e5b27aa02a74bac8c3f23f448f8d87ff11f92d3aac1a6ed369ee08cc56c1"
 dependencies = [
 "libc",
 "wasi",
- "windows-sys",
+ "windows-sys 0.61.2",
 ]

 [[package]]
 name = "nanometrics-agent"
 version = "0.1.0"
 dependencies = [
+ "libc",
 "rumqttc",
 "serde",
 "serde_json",
@@ -262,23 +259,6 @@ dependencies = [
 "toml",
 ]

-[[package]]
-name = "native-tls"
-version = "0.2.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "465500e14ea162429d264d44189adc38b199b62b1c21eea9f69e4b73cb03bbf2"
-dependencies = [
- "libc",
- "log",
- "openssl",
- "openssl-probe",
- "openssl-sys",
- "schannel",
- "security-framework",
- "security-framework-sys",
- "tempfile",
-]
-
 [[package]]
 name = "ntapi"
 version = "0.4.3"
@@ -294,48 +274,11 @@ version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"

-[[package]]
-name = "openssl"
-version = "0.10.80"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a45fa2aa886c42762255da344f0a0d313e254066c46aad76f300c3d3da62d967"
-dependencies = [
- "bitflags",
- "cfg-if",
- "foreign-types",
- "libc",
- "openssl-macros",
- "openssl-sys",
-]
-
-[[package]]
-name = "openssl-macros"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "openssl-probe"
-version = "0.2.1"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
-
-[[package]]
-name = "openssl-sys"
-version = "0.9.116"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f28a22dc7140cda5f096e5e7724a6962ca81a7f8bfd2979f9b18c11af56318c4"
-dependencies = [
- "cc",
- "libc",
- "pkg-config",
- "vcpkg",
-]
+checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"

 [[package]]
 name = "pin-project-lite"
@@ -343,12 +286,6 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd"

-[[package]]
-name = "pkg-config"
-version = "0.3.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
-
 [[package]]
 name = "prettyplease"
 version = "0.2.37"
@@ -383,6 +320,20 @@ version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"

+[[package]]
+name = "ring"
+version = "0.17.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "getrandom 0.2.17",
+ "libc",
+ "untrusted",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rumqttc"
 version = "0.24.0"
@@ -393,10 +344,12 @@ dependencies = [
 "flume",
 "futures-util",
 "log",
- "native-tls",
+ "rustls-native-certs",
+ "rustls-pemfile",
+ "rustls-webpki",
 "thiserror",
 "tokio",
- "tokio-native-tls",
+ "tokio-rustls",
 ]

 [[package]]
@@ -409,7 +362,63 @@ dependencies = [
 "errno",
 "libc",
 "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "rustls"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf4ef73721ac7bcd79b2b315da7779d8fc09718c6b3d2d1b2d94850eb8c18432"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-pki-types",
+ "rustls-webpki",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "rustls-native-certs"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5bfb394eeed242e909609f56089eecfe5fda225042e8b171791b9c95f5931e5"
+dependencies = [
+ "openssl-probe",
+ "rustls-pemfile",
+ "rustls-pki-types",
+ "schannel",
+ "security-framework",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dce314e5fee3f39953d46bb63bb8a46d40c2f8fb7cc5a3b6cab2bde9721d6e50"
+dependencies = [
+ "rustls-pki-types",
+]
+
+[[package]]
+name = "rustls-pki-types"
+version = "1.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30a7197ae7eb376e574fe940d068c30fe0462554a3ddbe4eca7838e049c937a9"
+dependencies = [
+ "zeroize",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.102.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64ca1bc8749bd4cf37b5ce386cc146580777b4e8572c7b97baf22c83f444bee9"
+dependencies = [
+ "ring",
+ "rustls-pki-types",
+ "untrusted",
 ]

 [[package]]
@@ -418,7 +427,7 @@ version = "0.1.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91c1b7e4904c873ef0710c1f407dde2e6287de2bebc1bbbf7d430bb7cbffd939"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -429,9 +438,9 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"

 [[package]]
 name = "security-framework"
-version = "3.7.0"
+version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d"
+checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02"
 dependencies = [
 "bitflags",
 "core-foundation",
@@ -527,7 +536,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
 "libc",
- "windows-sys",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -539,6 +548,12 @@ dependencies = [
 "lock_api",
 ]

+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "syn"
 version = "2.0.117"
@@ -571,10 +586,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
 "fastrand",
- "getrandom",
+ "getrandom 0.4.2",
 "once_cell",
 "rustix",
- "windows-sys",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -609,7 +624,7 @@ dependencies = [
 "pin-project-lite",
 "socket2",
 "tokio-macros",
- "windows-sys",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -624,12 +639,13 @@ dependencies = [
 ]

 [[package]]
-name = "tokio-native-tls"
-version = "0.3.1"
+name = "tokio-rustls"
+version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+checksum = "775e0c0f0adb3a2f22a00c4745d728b479985fc15ee7ca6a2608388c5569860f"
 dependencies = [
- "native-tls",
+ "rustls",
+ "rustls-pki-types",
 "tokio",
 ]

@@ -687,10 +703,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"

 [[package]]
-name = "vcpkg"
-version = "0.2.15"
+name = "untrusted"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"

 [[package]]
 name = "wasi"
@@ -797,6 +813,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"

+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.61.2"
@@ -973,6 +998,12 @@ dependencies = [
 "wasmparser",
 ]

+[[package]]
+name = "zeroize"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+
 [[package]]
 name = "zmij"
 version = "1.0.21"
@@ -19,10 +19,11 @@ codegen-units = 1

 [dependencies]
 sysinfo = { version = "0.30", default-features = false }
+libc = "0.2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 toml = "0.8"
-rumqttc = { version = "0.24", default-features = false, features = ["use-native-tls"] }
+rumqttc = { version = "0.24", default-features = false, features = ["use-rustls"] }

 [dev-dependencies]
 tempfile = "3"
@@ -1,5 +1,5 @@
 use nanometrics_agent::{config, metrics, payload, transport};
-use sysinfo::{Components, Disks, Networks, System};
+use sysinfo::{Components, Networks, System};
 use std::time::{Duration, Instant};
 use std::sync::mpsc;

@@ -34,7 +34,6 @@ fn main() {

    let mut sys = System::new();
    let mut networks = Networks::new_with_refreshed_list();
-    let mut disks = Disks::new_with_refreshed_list();
    let mut components = Components::new_with_refreshed_list();

    let udp_sender = if cfg.protocols.udp.enabled {
@@ -102,9 +101,8 @@ fn main() {
        }

        if first_slow || now.duration_since(last_slow).as_secs() >= 60 {
-            disks.refresh();
            if cfg.metrics.disk.udp || cfg.metrics.disk.mqtt {
-                let (used, free, total) = metrics::disk::get(&disks);
+                let (used, free, total) = metrics::disk::get();
                m.hdd_used = Some(used);
                m.hdd_free = Some(free);
                m.hdd_total = Some(total);
@@ -1,34 +1,36 @@
-use sysinfo::Disks;
+use std::mem::MaybeUninit;

-pub fn get(disks: &Disks) -> (u64, u64, u64) {
-    for disk in disks.list() {
-        let mount = disk.mount_point().to_string_lossy();
-        if mount == "/" {
-            let total = disk.total_space();
-            let free = disk.available_space();
-            let used = total.saturating_sub(free);
-            return (used, free, total);
-        }
+/// Retourne (used, free, total) en octets pour le système de fichiers racine "/".
+/// Utilise statvfs() directement pour correspondre exactement aux chiffres de `df` :
+///   - total = f_blocks × f_frsize
+///   - used  = (f_blocks − f_bfree) × f_frsize   (blocs effectivement écrits)
+///   - free  = f_bavail × f_frsize                (disponible pour utilisateurs non-root)
+pub fn get() -> (u64, u64, u64) {
+    let path = b"/\0";
+    let mut stat = MaybeUninit::<libc::statvfs>::uninit();
+    let ret = unsafe { libc::statvfs(path.as_ptr() as *const libc::c_char, stat.as_mut_ptr()) };
+    if ret != 0 {
+        return (0, 0, 0);
    }
-    if let Some(disk) = disks.list().first() {
-        let total = disk.total_space();
-        let free = disk.available_space();
-        return (total.saturating_sub(free), free, total);
-    }
-    (0, 0, 0)
+    let stat = unsafe { stat.assume_init() };
+    let bsize = stat.f_frsize as u64;
+    let total = stat.f_blocks.saturating_mul(bsize);
+    let used  = stat.f_blocks.saturating_sub(stat.f_bfree).saturating_mul(bsize);
+    let free  = stat.f_bavail.saturating_mul(bsize);
+    (used, free, total)
 }

 #[cfg(test)]
 mod tests {
    use super::*;
-    use sysinfo::Disks;

    #[test]
    fn test_disk_coherent() {
-        let disks = Disks::new_with_refreshed_list();
-        let (used, free, total) = get(&disks);
+        let (used, free, total) = get();
+        eprintln!("résultat statvfs : used={used} free={free} total={total}");
        if total > 0 {
-            assert!(used + free <= total + 1024, "used + free > total");
+            assert!(used + free <= total + 1024 * 1024, "used + free > total");
+            assert!(total > 0, "total doit être > 0");
        }
    }
 }
@@ -115,9 +115,15 @@ body{background:var(--bg-1);color:var(--ink-1);font-family:var(--font-ui);font-s
 .g-bar{flex:1;height:5px;border-radius:3px;background:var(--bg-1);overflow:hidden}
 .g-fill{height:100%;border-radius:3px;background:var(--ok);transition:width .3s}
 .g-fill.w{background:var(--warn)}.g-fill.e{background:var(--err)}
-.g-val{font-family:var(--font-mono);font-size:11px;color:var(--ink-2);width:34px;text-align:right}
+.g-val{font-family:var(--font-mono);font-size:11px;color:var(--ink-2);
+       min-width:34px;white-space:nowrap;flex-shrink:0;text-align:right}
 .tile-foot{font-family:var(--font-terminal);font-size:10px;color:var(--ink-4);
-           display:flex;align-items:center;gap:5px;user-select:none}
+           display:flex;align-items:center;justify-content:space-between;user-select:none}
+.tile-foot-info{display:flex;align-items:center;gap:5px;min-width:0;overflow:hidden}
+.btn-del-agent{border:none;background:transparent;cursor:pointer;flex-shrink:0;
+               color:var(--ink-5);font-size:11px;padding:2px 4px;border-radius:4px;
+               line-height:1;transition:color .15s,background .15s;user-select:none}
+.btn-del-agent:hover{color:var(--err);background:color-mix(in srgb,var(--err) 12%,transparent)}

 /* FOOTER */
 .footer{background:var(--bg-0);border-top:1px solid var(--border-2);height:26px;
@@ -0,0 +1,11 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <!-- Fond arrondi -->
+  <rect width="64" height="64" rx="14" fill="#282828"/>
+  <!-- Cercle accent -->
+  <circle cx="32" cy="32" r="22" fill="none" stroke="#fe8019" stroke-width="4"/>
+  <!-- Barre CPU style jauge -->
+  <rect x="18" y="28" width="28" height="4" rx="2" fill="#504945"/>
+  <rect x="18" y="28" width="18" height="4" rx="2" fill="#fe8019"/>
+  <!-- Point LED vert -->
+  <circle cx="43" cy="21" r="4" fill="#b8bb26"/>
+</svg>
@@ -0,0 +1,13 @@
+{
+  "name": "Nanometrics",
+  "short_name": "Nanometrics",
+  "description": "Tableau de bord de surveillance système",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#282828",
+  "theme_color": "#fe8019",
+  "icons": [
+    { "src": "favicon-192.png", "sizes": "192x192", "type": "image/png" },
+    { "src": "favicon-512.png", "sizes": "512x512", "type": "image/png" }
+  ]
+}
@@ -4,6 +4,13 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Nanometrics</title>
+<link rel="icon" type="image/x-icon" href="favicon/favicon.ico">
+<link rel="icon" type="image/svg+xml" href="favicon/favicon.svg">
+<link rel="icon" type="image/png" sizes="32x32" href="favicon/favicon-32.png">
+<link rel="icon" type="image/png" sizes="16x16" href="favicon/favicon-16.png">
+<link rel="apple-touch-icon" sizes="180x180" href="favicon/favicon-180.png">
+<link rel="manifest" href="favicon/site.webmanifest">
+<meta name="theme-color" content="#282828">
 <link rel="stylesheet" href="vendor/fontawesome/css/all.min.css">
 <link rel="stylesheet" href="css/app.css">
 </head>
@@ -147,6 +154,29 @@
  </div>
 </div>

+<!-- DIALOG SUPPRESSION AGENT -->
+<div class="overlay" id="overlay-del" style="display:none;z-index:400" onclick="if(event.target===this)this.style.display='none'">
+  <div class="popup" style="width:360px;max-width:96vw" onclick="event.stopPropagation()">
+    <div style="padding:20px 20px 0">
+      <div style="display:flex;align-items:center;gap:12px;margin-bottom:14px">
+        <div style="width:36px;height:36px;border-radius:8px;background:color-mix(in srgb,var(--err) 15%,transparent);display:flex;align-items:center;justify-content:center;color:var(--err);font-size:16px;flex-shrink:0"><i class="fa-solid fa-triangle-exclamation"></i></div>
+        <div>
+          <div style="font-weight:700;font-size:14px">Supprimer l'agent</div>
+          <div style="font-size:12px;color:var(--fg2);margin-top:2px">Cette action est irréversible</div>
+        </div>
+      </div>
+      <p style="font-size:13px;margin:0 0 8px">Supprimer <strong id="del-agent-name">—</strong> ?<br>
+        <span style="font-size:11px;color:var(--fg2)">Toutes les métriques historiques seront effacées.</span></p>
+    </div>
+    <div style="padding:16px 20px;display:flex;justify-content:flex-end;gap:8px">
+      <button class="btn" onclick="document.getElementById('overlay-del').style.display='none'">Annuler</button>
+      <button class="btn" id="del-agent-confirm"
+        style="background:var(--err);color:#fff;border-color:var(--err)"
+        onclick="Popups.doDeleteAgent()"><i class="fa-solid fa-trash"></i> Supprimer</button>
+    </div>
+  </div>
+</div>
+
 <script src="js/api.js"></script>
 <script src="js/charts.js"></script>
 <script src="js/grid.js"></script>
@@ -27,6 +27,11 @@ const API = (() => {
        if (!r.ok) throw new Error(`PUT ${path}: ${r.status}`);
    }

+    async function del(path) {
+        const r = await fetch(BASE + path, { method: 'DELETE' });
+        if (!r.ok) throw new Error(`DELETE ${path}: ${r.status}`);
+    }
+
    async function postForm(path, formData) {
        const r = await fetch(BASE + path, { method: 'POST', body: formData });
        if (!r.ok) throw new Error(`POST ${path}: ${r.status}`);
@@ -44,6 +49,7 @@ const API = (() => {
            fd.append('icon', file);
            return postForm(`/api/agents/${id}/icon`, fd);
        },
+        deleteAgent:      (id) => del(`/api/agents/${id}`),
        iconUrl:          (id) => `/api/agents/${id}/icon`,
    };
 })();
@@ -81,7 +81,7 @@ const Grid = (() => {
              <div class="g-ico" data-tip="RAM"><i class="fa-solid fa-memory"></i></div>
              <div class="g-bar"><div class="g-fill ${offline ? '' : gFill(memPct ?? 0)}"
                style="width:${offline ? 0 : (memPct ?? 0).toFixed(0)}%"></div></div>
-              <span class="g-val">${offline ? '—' : fmtPct(memPct)}</span>
+              <span class="g-val">${offline ? '—' : (metrics?.memory_used && metrics?.memory_total ? fmt(metrics.memory_used) + '/' + fmt(metrics.memory_total) : '—')}</span>
            </div>
            <div class="g-row">
              <div class="g-ico" data-tip="Disque"><i class="fa-solid fa-hard-drive"></i></div>
@@ -91,9 +91,15 @@ const Grid = (() => {
            </div>
          </div>
          <div class="tile-foot">
-            ${offline
+            <span class="tile-foot-info">
+              ${offline
                ? '<i class="fa-solid fa-circle-xmark" style="color:var(--err)"></i><span style="color:var(--err)">Hors ligne</span>'
-                : `<i class="fa-solid fa-clock"></i><span>${uptimeStr}</span>`}
+                : `<i class="fa-solid fa-clock"></i><span>${uptimeStr || '—'}</span>`}
+            </span>
+            <button class="btn-del-agent" title="Supprimer cet agent"
+              onclick="event.stopPropagation();Popups.confirmDeleteAgent('${esc(id)}','${esc(agent.hostname)}')">
+              <i class="fa-solid fa-trash"></i>
+            </button>
          </div>
        </div>`;
    }
@@ -101,6 +107,12 @@ const Grid = (() => {
    function update(agentId, metrics) {
        const entry = _agents.get(agentId);
        if (!entry) return;
+        // Conserver les valeurs lentes (disque, smart) quand le paquet ne les contient pas
+        if (entry.metrics) {
+            for (const k of Object.keys(entry.metrics)) {
+                if (metrics[k] == null && entry.metrics[k] != null) metrics[k] = entry.metrics[k];
+            }
+        }
        entry.metrics = metrics;
        const el = document.getElementById('tile-' + agentId);
        if (el) {
@@ -139,6 +151,13 @@ const Grid = (() => {
        document.getElementById('stat-err').textContent = err;
    }

+    function removeAgent(id) {
+        _agents.delete(id);
+        const el = document.getElementById('tile-' + id);
+        if (el) el.remove();
+        updateStats();
+    }
+
    function getAgent(id) { return _agents.get(id); }

    function updateStatus(agentId, status) {
@@ -150,5 +169,5 @@ const Grid = (() => {
        updateStats();
    }

-    return { refresh, update, updateStatus, getAgent, fmt, fmtPct };
+    return { refresh, update, updateStatus, removeAgent, getAgent, fmt, fmtPct };
 })();
@@ -305,6 +305,21 @@ const Popups = (() => {
                ${[[15,'15 min'],[30,'30 min'],[60,'1 heure'],[360,'6 heures']].map(([v,l]) =>
                  `<option value="${v}" ${(cfg.chart_duration_min??30)==v?'selected':''}>${l}</option>`).join('')}
              </select></div>
+          </div>
+          <div style="display:flex;flex-direction:column;gap:8px">
+            <div class="scfg-sec-title">INSTALLATION AGENT</div>
+            <div class="scfg-row" style="flex-direction:column;align-items:stretch;gap:6px">
+              <label style="font-size:0.85em;color:var(--fg2)">Commande curl — copiez et lancez en root sur la machine cible</label>
+              <div style="display:flex;gap:6px;align-items:center">
+                <input type="text" id="s-install-cmd" readonly
+                  style="flex:1;font-family:var(--font-mono);font-size:0.78em;padding:6px 8px;
+                         background:var(--bg2);border:1px solid var(--border);border-radius:6px;
+                         color:var(--fg);cursor:text;min-width:0"
+                  value="SERVER_IP=${window.location.hostname} curl -fsSL https://git.maison43gil.com/gilles/nano_metrics/raw/branch/main/deploy/install.sh | sudo bash">
+                <button class="btn" style="padding:5px 10px;font-size:0.8em;white-space:nowrap"
+                  onclick="navigator.clipboard.writeText(document.getElementById('s-install-cmd').value).then(()=>{this.textContent='✓ Copié';setTimeout(()=>this.textContent='Copier',1500)})">Copier</button>
+              </div>
+            </div>
          </div>`;
        document.getElementById('overlay-srvcfg').style.display = 'flex';
    }
@@ -391,10 +406,32 @@ const Popups = (() => {
        document.getElementById('overlay-smart').style.display = 'flex';
    }

+    // ══ SUPPRESSION AGENT ══
+    let _delAgentId = null;
+
+    function confirmDeleteAgent(id, hostname) {
+        _delAgentId = id;
+        document.getElementById('del-agent-name').textContent = hostname || id;
+        document.getElementById('overlay-del').style.display = 'flex';
+    }
+
+    async function doDeleteAgent() {
+        if (!_delAgentId) return;
+        const id = _delAgentId;
+        document.getElementById('overlay-del').style.display = 'none';
+        _delAgentId = null;
+        try {
+            await API.deleteAgent(id);
+            Grid.removeAgent(id);
+        } catch (e) {
+            alert('Erreur lors de la suppression : ' + e.message);
+        }
+    }
+
    return {
        showDetail, hideDetail,
        showAgentCfg, sendAgentConfig, toggleCbox,
-        showSrvCfg, hideSrvCfg, saveSrvCfg,
+        showSrvCfg, hideSrvCfg, saveSrvCfg, confirmDeleteAgent, doDeleteAgent,
        showSmart,
    };
 })();
@@ -82,18 +82,12 @@ ok "Binaire téléchargé ($(du -sh "$TMP_BIN" | cut -f1))"
 echo ""
 echo "--- Configuration du serveur ---"

-if [ -z "${SERVER_IP:-}" ]; then
-    read -rp "Adresse IP du serveur Nanometrics : " SERVER_IP
-fi
-if [ -z "${SERVER_IP:-}" ]; then
-    err "SERVER_IP est requis."
-    exit 1
-fi
-
+SERVER_IP="${SERVER_IP:-10.0.0.50}"
 SERVER_PORT="${SERVER_PORT:-9999}"
+MQTT_HOST="${MQTT_HOST:-10.0.0.3}"
 MQTT_ENABLED="${MQTT_ENABLED:-false}"

-ok "Serveur : $SERVER_IP:$SERVER_PORT"
+ok "Serveur : $SERVER_IP:$SERVER_PORT  |  MQTT broker : $MQTT_HOST"

 # ── 5. Installer le binaire ────────────────────────────────────────────────────
 echo ""
@@ -125,7 +119,7 @@ enabled = true

 [protocols.mqtt]
 enabled = $MQTT_ENABLED
-host = "10.0.0.3"
+host = "$MQTT_HOST"
 port = 1883
 topic_base = "nanometrics/agents"
 auto_discovery = true
@@ -160,7 +154,7 @@ mqtt = false
 udp = true
 mqtt = false
 TOML
-    chmod 640 "$CONFIG_FILE"
+    chmod 644 "$CONFIG_FILE"
    ok "config.toml créé"
 fi

@@ -40,7 +40,9 @@ for i in "${!TARGETS[@]}"; do
    # Installer la cible si absente
    rustup target add "$TARGET" 2>/dev/null || true

-    # Compiler
+    # Compiler (CC requis par la crate ring pour les cibles musl cross)
+    CC_aarch64_unknown_linux_musl=aarch64-linux-gnu-gcc \
+    AR_aarch64_unknown_linux_musl=aarch64-linux-gnu-ar \
    cargo build --release \
        --manifest-path "$CARGO_TOML" \
        --target "$TARGET" \
@@ -238,6 +238,20 @@ func (d *DB) MarkOffline(timeoutSec int64) error {
 	return err
 }

+func (d *DB) DeleteAgent(agentID string) error {
+	for _, q := range []string{
+		`DELETE FROM metrics WHERE agent_id = ?`,
+		`DELETE FROM agent_configs WHERE agent_id = ?`,
+		`DELETE FROM agent_icons WHERE agent_id = ?`,
+		`DELETE FROM agents WHERE id = ?`,
+	} {
+		if _, err := d.conn.Exec(q, agentID); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 // MarkOfflineAndGetIDs marque les agents inactifs et retourne leurs IDs.
 func (d *DB) MarkOfflineAndGetIDs(timeoutSec int64) ([]string, error) {
 	cutoff := time.Now().Unix() - timeoutSec
@@ -3,6 +3,7 @@ package handlers
 import (
 	"encoding/json"
 	"net/http"
+	"strings"

 	"github.com/user/nanometrics/server/db"
 )
@@ -18,3 +19,19 @@ func AgentsHandler(database *db.DB) http.HandlerFunc {
 		json.NewEncoder(w).Encode(agents)
 	}
 }
+
+func DeleteAgentHandler(database *db.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		parts := strings.Split(strings.Trim(r.URL.Path, "/"), "/")
+		if len(parts) < 3 {
+			http.Error(w, "invalid path", 400)
+			return
+		}
+		agentID := parts[2]
+		if err := database.DeleteAgent(agentID); err != nil {
+			http.Error(w, err.Error(), 500)
+			return
+		}
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
@@ -26,7 +26,7 @@ func AgentConfigHandler(database *db.DB, pushConfig func(agentID string, cfg *mo
 				return
 			}
 			if cfg == nil {
-				cfg = &models.AgentConfig{}
+				cfg = models.DefaultAgentConfig()
 			}
 			w.Header().Set("Content-Type", "application/json")
 			json.NewEncoder(w).Encode(cfg)
@@ -110,6 +110,8 @@ func main() {
 			handlers.IconUploadHandler(database)(w, r)
 		case endsWith(r.URL.Path, "/icon") && r.Method == http.MethodGet:
 			handlers.IconGetHandler(database)(w, r)
+		case r.Method == http.MethodDelete:
+			handlers.DeleteAgentHandler(database)(w, r)
 		default:
 			http.NotFound(w, r)
 		}
@@ -88,6 +88,20 @@ type ServerConfig struct {
 	PopupDetailH     int  `json:"popup_detail_h"`
 }

+func DefaultAgentConfig() *AgentConfig {
+	on := MetricProto{UDP: true, MQTT: false}
+	return &AgentConfig{
+		Protocols: ProtocolsConfig{UDP: UDPConfig{Enabled: true}},
+		Metrics: MetricsConfig{
+			CPU:     on,
+			Memory:  on,
+			Disk:    on,
+			Smart:   on,
+			Uptime:  on,
+		},
+	}
+}
+
 func DefaultServerConfig() ServerConfig {
 	return ServerConfig{
 		TileMinWidth: 220, FontSize: 13,
Author	SHA1	Message	Date
Gilles Soulier	243c97d71b	fix: disque via statvfs() — valeurs identiques à df Remplace sysinfo::Disks par un appel direct à libc::statvfs("/"). - used = (f_blocks − f_bfree) × f_frsize → correspond à df "Utilisé" - free = f_bavail × f_frsize → correspond à df "Dispo" - total = f_blocks × f_frsize Avant (sysinfo) : used comptait les blocs réservés root → surestimation de ~3-4 Go. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 20:21:58 +02:00
Gilles Soulier	e0ed96309c	fix: conserver les métriques lentes (disque, smart) entre les paquets Le disque est envoyé toutes les 60s mais les paquets arrivent toutes les 2s. Chaque nouveau paquet écrasait les champs null, effaçant le disque affiché. Correction : fusion avec les anciennes métriques, null ne remplace pas une valeur. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 20:14:45 +02:00
Gilles Soulier	93747e4a04	feat: favicons + correctifs tuile (RAM overflow, corbeille droite) Favicons : - favicon.svg (scalable, navigateurs modernes) - favicon.ico (16/32/48px, compatibilité universelle) - favicon-{16,32,48,96,180,192,512}.png - favicon-180.png pour apple-touch-icon - site.webmanifest pour PWA / ajout écran d'accueil Android - Couleurs Gruvbox : fond #282828, accent orange, LED verte Tuile : - g-val : min-width + white-space:nowrap (RAM 3.0Go/5.8Go ne déborde plus) - tile-foot : justify-content:space-between + tile-foot-info wrapper (corbeille alignée en bas à droite) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 20:07:40 +02:00
Gilles Soulier	b93b55d5a8	fix: RAM déborde de la tuile, corbeille alignée à droite - g-val : largeur fixe 34px → min-width + white-space:nowrap (RAM "3.0Go/5.8Go") - tile-foot : justify-content:space-between + wrapper tile-foot-info pour que la corbeille soit toujours en bas à droite Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 20:06:21 +02:00
Gilles Soulier	46209b2965	fix: chmod 644 sur config.toml (DynamicUser ne peut pas lire 640) Avec DynamicUser=yes, le fichier config.toml créé en root:root 640 n'est pas lisible par l'utilisateur dynamique → exit 101 (panic Rust). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 19:58:02 +02:00
Gilles Soulier	775d54f07c	feat: suppression agent, RAM en Go, métriques par défaut (cpu/mem/disk/smart) - API DELETE /api/agents/{id} — supprime agent + métriques + config + icône - Bouton poubelle sur chaque tuile + dialog de confirmation - RAM : affichage "utilisé/total" en Go (ex: 6.2Go/8.0Go) au lieu du % - Config agent par défaut : cpu, memory, disk, smart activés (UDP) - DefaultAgentConfig() dans models pour les nouveaux agents Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 19:54:10 +02:00
Gilles Soulier	e9524858f5	feat: commande d'installation agent dans la config serveur Nouvelle section "INSTALLATION AGENT" en bas du popup de configuration : champ lecture seule avec la commande curl pré-remplie (SERVER_IP auto depuis window.location.hostname) + bouton Copier. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 19:46:52 +02:00
Gilles Soulier	1a1202abcf	fix: valeurs par défaut install.sh (serveur 10.0.0.50, MQTT 10.0.0.3) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 19:42:39 +02:00
Gilles Soulier	c526a6e5ca	fix: cross-compilation musl pour release multi-arch - rumqttc : use-native-tls → use-rustls (supprime dépendance OpenSSL) - .cargo/config.toml (racine) : linkers musl + CC/AR pour ring aarch64 - deploy/release.sh : passe CC_aarch64_unknown_linux_musl au build - .gitignore : règle config.toml affinée (exclut cargo configs) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	2026-05-22 19:42:08 +02:00