quickshell: ssh server monitor widget + btop-style dropdown

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
rope 2026-07-28 15:40:28 +01:00
parent 5c71cc3a1f
commit d135331a30

View file

@ -417,6 +417,10 @@ in
readonly property string notifSound: "${pkgs.libcanberra-gtk3}/bin/canberra-gtk-play"
readonly property string systemctl: "${pkgs.systemd}/bin/systemctl"
readonly property string weatherFetch: "${weatherFetchScript}"
readonly property string ssh: "${pkgs.openssh}/bin/ssh"
// /run/wrappers, not the store path: ping needs cap_net_raw
// and only the NixOS wrapper carries it.
readonly property string ping: "/run/wrappers/bin/ping"
// Recoloured to the theme accent at draw time (ColorOverlay),
// so the stock blue/grey snowflake artwork is fine here.
readonly property string nixLogo: "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg"
@ -1466,6 +1470,150 @@ in
anchors.horizontalCenter: barBgRect.horizontalCenter
spacing: 16
// Server monitor: one persistent SSH streaming `top -b`
// from the mediaserver (2s ticks, parsed line by line
// no per-poll reconnects) plus a streaming ping to the
// router. Glance = CPU/RAM mini meters + ping ms; click
// opens the btop-style dropdown.
Item {
id: srvWidget
width: Theme.barWidth
height: 42
property bool connected: false
property real cpu: 0
property real memUsed: 0 // GiB
property real memTotal: 0
property real pingMs: -1
property string uptime: ""
property string load: ""
property var procs: []
property var _procsPending: []
property bool _collecting: false
function _parseLine(line) {
if (line.indexOf("top - ") === 0) {
if (_collecting) procs = _procsPending;
_collecting = false;
const up = line.match(/up\s+(.*?),\s*\d+\s+users?,/);
if (up) uptime = up[1].replace(/\s+/g, " ");
const la = line.match(/load average:\s*(.*)$/);
if (la) load = la[1];
return;
}
if (line.indexOf("%Cpu(s)") === 0) {
const m = line.match(/([\d.]+)\s+id/);
if (m) { cpu = Math.max(0, 100 - parseFloat(m[1])); connected = true; }
return;
}
const mem = line.match(/^(\S+) Mem\s*:\s*([\d.]+)\s+total,\s*[\d.]+\s+free,\s*([\d.]+)\s+used/);
if (mem) {
const div = mem[1] === "KiB" ? 1048576 : mem[1] === "MiB" ? 1024 : 1;
memTotal = parseFloat(mem[2]) / div;
memUsed = parseFloat(mem[3]) / div;
return;
}
if (/^\s*PID\s/.test(line)) { _collecting = true; _procsPending = []; return; }
if (_collecting) {
const f = line.trim().split(/\s+/);
if (f.length >= 12) {
_procsPending.push({ pid: f[0], cpu: parseFloat(f[8]), mem: parseFloat(f[9]), name: f.slice(11).join(" ") });
// top sorts by %CPU; first 10 rows are the story
if (_procsPending.length >= 10) { procs = _procsPending; _collecting = false; }
} else {
procs = _procsPending; _collecting = false;
}
}
}
Process {
id: srvTop
command: [Commands.ssh, "-o", "BatchMode=yes", "-o", "ConnectTimeout=3",
"-o", "StrictHostKeyChecking=accept-new",
"-o", "ServerAliveInterval=5", "-o", "ServerAliveCountMax=2",
"fred@10.0.0.1",
"env", "LC_ALL=C", "top", "-b", "-d", "2", "-w", "512"]
running: true
stdout: SplitParser {
onRead: data => srvWidget._parseLine(data)
}
onRunningChanged: if (!running) { srvWidget.connected = false; srvRestart.start(); }
}
Timer { id: srvRestart; interval: 10000; onTriggered: srvTop.running = true }
// Ping is deliberately separate from the SSH stream:
// ping up + ssh down = box alive but wedged (seen it).
Process {
id: srvPing
command: [Commands.ping, "-n", "-i", "2", "10.0.0.1"]
running: true
stdout: SplitParser {
onRead: data => {
const m = data.match(/time=([\d.]+)\s*ms/);
if (m) { srvWidget.pingMs = parseFloat(m[1]); pingStale.restart(); }
}
}
onRunningChanged: if (!running) pingRestart.start()
}
Timer { id: pingRestart; interval: 10000; onTriggered: srvPing.running = true }
// No echo reply for 3 intervals -> show dashes, not a stale number.
Timer { id: pingStale; interval: 6000; onTriggered: srvWidget.pingMs = -1 }
function openSrvDropdown() {
bar.toggleDropdown(srvDropdown, function() {
let pos = srvWidget.mapToItem(bar.contentItem, 0, srvWidget.height / 2);
srvDropdown.dropdownY = pos.y;
});
}
Column {
anchors.centerIn: parent
spacing: 4
Rectangle {
width: 24; height: 3; radius: 1.5
color: Theme.base02
Rectangle {
width: srvWidget.connected ? Math.max(2, parent.width * Math.min(1, srvWidget.cpu / 100)) : 0
height: parent.height; radius: parent.radius
color: Theme.base0D
Behavior on width { NumberAnimation { duration: 300 } }
}
}
Rectangle {
width: 24; height: 3; radius: 1.5
color: Theme.base02
Rectangle {
width: srvWidget.connected && srvWidget.memTotal > 0
? Math.max(2, parent.width * Math.min(1, srvWidget.memUsed / srvWidget.memTotal)) : 0
height: parent.height; radius: parent.radius
color: Theme.base0C
Behavior on width { NumberAnimation { duration: 300 } }
}
}
SText {
anchors.horizontalCenter: parent.horizontalCenter
text: srvWidget.pingMs < 0 ? "--"
: srvWidget.pingMs < 10 ? srvWidget.pingMs.toFixed(1)
: Math.round(srvWidget.pingMs).toString()
font.pixelSize: 9
color: srvWidget.pingMs < 0 ? Theme.base03 : Theme.base04
}
}
MouseArea {
anchors.fill: parent
hoverEnabled: true
onClicked: srvWidget.openSrvDropdown()
onEntered: {
if (bar.activeDropdown) {
if (bar.activeDropdown !== srvDropdown) srvWidget.openSrvDropdown();
}
}
}
}
// Volume
Item {
id: volWidget
@ -2340,6 +2488,166 @@ in
}
// Volume dropdown
// Server monitor dropdown the btop-at-a-distance view.
BarDropdown {
id: srvDropdown
fullWidth: srvDropdownCol.width + 2 * Theme.panelGap
fullHeight: srvDropdownCol.height + 2 * Theme.panelGap
Column {
id: srvDropdownCol
anchors.centerIn: parent
width: 300
spacing: 8
Card {
width: parent.width
Row {
spacing: 6
SIcon {
anchors.verticalCenter: parent.verticalCenter
text: "dns"
color: srvWidget.connected ? Theme.base0B : Theme.base08
}
SText {
anchors.verticalCenter: parent.verticalCenter
text: "FredOS-Mediaserver"
font.weight: Font.Medium
}
}
SText {
width: parent.width
text: srvWidget.connected
? "up " + srvWidget.uptime + " load " + srvWidget.load
: "unreachable"
font.pixelSize: 10
color: srvWidget.connected ? Theme.base04 : Theme.base08
elide: Text.ElideRight
}
Row {
width: parent.width
spacing: 8
SText { width: 32; text: "cpu"; font.pixelSize: 11; color: Theme.base04; anchors.verticalCenter: parent.verticalCenter }
PillSlider {
width: parent.width - 32 - 64 - 16
height: 16; trackH: 4
anchors.verticalCenter: parent.verticalCenter
value: srvWidget.cpu / 100
fillColor: srvWidget.cpu >= 90 ? Theme.base08 : Theme.base0D
}
SText {
width: 64
text: srvWidget.cpu.toFixed(1) + "%"
font.pixelSize: 11
horizontalAlignment: Text.AlignRight
anchors.verticalCenter: parent.verticalCenter
}
}
Row {
width: parent.width
spacing: 8
SText { width: 32; text: "ram"; font.pixelSize: 11; color: Theme.base04; anchors.verticalCenter: parent.verticalCenter }
PillSlider {
width: parent.width - 32 - 64 - 16
height: 16; trackH: 4
anchors.verticalCenter: parent.verticalCenter
value: srvWidget.memTotal > 0 ? srvWidget.memUsed / srvWidget.memTotal : 0
fillColor: Theme.base0C
}
SText {
width: 64
text: srvWidget.memUsed.toFixed(1) + "/" + Math.round(srvWidget.memTotal) + "G"
font.pixelSize: 11
horizontalAlignment: Text.AlignRight
anchors.verticalCenter: parent.verticalCenter
}
}
Row {
width: parent.width
spacing: 8
SText { width: 32; text: "ping"; font.pixelSize: 11; color: Theme.base04 }
SText {
text: srvWidget.pingMs < 0 ? "--" : srvWidget.pingMs.toFixed(1) + " ms"
font.pixelSize: 11
color: srvWidget.pingMs < 0 ? Theme.base03 : Theme.base05
}
}
}
Card {
width: parent.width
Row {
spacing: 6
SIcon { anchors.verticalCenter: parent.verticalCenter; text: "monitor_heart" }
SText {
anchors.verticalCenter: parent.verticalCenter
text: "Processes"
font.weight: Font.Medium
}
}
Row {
width: parent.width
SText { width: parent.width - 88; text: "name"; font.pixelSize: 10; color: Theme.base03 }
SText { width: 44; text: "cpu%"; font.pixelSize: 10; color: Theme.base03; horizontalAlignment: Text.AlignRight }
SText { width: 44; text: "mem%"; font.pixelSize: 10; color: Theme.base03; horizontalAlignment: Text.AlignRight }
}
Column {
width: parent.width
spacing: 2
Repeater {
model: srvWidget.procs
Row {
required property var modelData
width: parent.width
height: 17
SText {
width: parent.width - 88
text: modelData.name
font.pixelSize: 11
elide: Text.ElideRight
anchors.verticalCenter: parent.verticalCenter
}
SText {
width: 44
text: modelData.cpu.toFixed(1)
font.pixelSize: 11
horizontalAlignment: Text.AlignRight
color: modelData.cpu >= 100 ? Theme.base08
: modelData.cpu >= 25 ? Theme.base0A : Theme.base05
anchors.verticalCenter: parent.verticalCenter
}
SText {
width: 44
text: modelData.mem.toFixed(1)
font.pixelSize: 11
horizontalAlignment: Text.AlignRight
color: Theme.base04
anchors.verticalCenter: parent.verticalCenter
}
}
}
SText {
visible: srvWidget.procs.length === 0
text: "no data"
font.pixelSize: 11
color: Theme.base03
}
}
}
}
}
BarDropdown {
id: volDropdown
fullWidth: volDropdownCol.width + 2 * Theme.panelGap