Add Jump Node RAM Graph

status.html

@@ -265,6 +265,10 @@
                     <h3 class="text-xl minecraft-font mb-6 text-teal-400 text-center">CPU Usage</h3>
                     <canvas id="jump-cpu-chart" class="mb-8"></canvas>
                 </div>
+                <div>
+                    <h3 class="text-xl minecraft-font mb-6 text-teal-400 text-center">RAM Usage</h3>
+                    <canvas id="jump-ram-chart" class="mb-8"></canvas>
+                </div>
                 <div>
                     <h3 class="text-xl minecraft-font mb-6 text-teal-400 text-center">Network Traffic</h3>
                     <canvas id="jump-net-chart" class="mb-8"></canvas>
@@ -300,6 +304,7 @@
         let jumpDiskHistory = [];
         let hostLoadHistory = [];
         let jumpLoadHistory = [];
+        let jumpRamHistory = [];
         const MAX_POINTS = 30; // Match to points in API query
         const SMOOTHING_WINDOW = 3;
 
@@ -342,6 +347,7 @@
                 disk: document.getElementById('disk-chart'),
                 load: document.getElementById('load-chart'),
                 jumpCpu: document.getElementById('jump-cpu-chart'),
+                jumpRam: document.getElementById('jump-ram-chart'),
                 jumpNet: document.getElementById('jump-net-chart'),
                 jumpDisk: document.getElementById('jump-disk-chart'),
                 jumpLoad: document.getElementById('jump-load-chart')
@@ -526,6 +532,27 @@
                 }
             });
 
+            charts.jumpRam = new Chart(canvases.jumpRam.getContext('2d'), {
+                type: 'line',
+                data: {
+                    labels: [],
+                    datasets: [
+                        { label: 'Used (MB)', data: [], borderColor: '#38bdf8', borderWidth: 2, fill: false, tension: 0 },
+                        { label: 'Free (MB)', data: [], borderColor: '#fb7185', borderWidth: 2, fill: false, tension: 0 }
+                    ]
+                },
+                options: {
+                    ...commonOptions,
+                    scales: {
+                        y: {
+                            ...commonOptions.scales.y,
+                            title: { display: true, text: 'Memory (MB)', color: '#e5e7eb' }
+                        },
+                        x: commonOptions.scales.x
+                    }
+                }
+            });
+
             charts.jumpNet = new Chart(canvases.jumpNet.getContext('2d'), {
                 type: 'bar',
                 data: {
@@ -625,6 +652,7 @@
             const jumpNoData = document.getElementById('jump-no-data');
             const hasJumpData = data.jumpNode && (
                 (data.jumpNode.cpu && data.jumpNode.cpu.length > 0) ||
+                (data.jumpNode.ram && data.jumpNode.ram.length > 0) ||
                 (data.jumpNode.net && data.jumpNode.net.length > 0) ||
                 (data.jumpNode.disk && data.jumpNode.disk.length > 0) ||
                 (data.jumpNode.anomaly && data.jumpNode.anomaly.length > 0) ||
@@ -753,7 +781,7 @@
                 }
             }
 
-            // Update Jump Node network, disk, and load history
+            // Update Jump Node network, disk, ram, and load history
             if (data.jumpNode.net?.length) {
                 const latestNet = data.jumpNode.net[data.jumpNode.net.length - 1];
                 jumpNetHistory.push({
@@ -782,6 +810,20 @@
                 console.debug('No jump node disk data available.');
             }
 
+            if (data.jumpNode.ram?.length) {
+                const latestRam = data.jumpNode.ram[data.jumpNode.ram.length - 1];
+                jumpRamHistory.push({
+                    time: latestRam.time,
+                    used: Math.abs(latestRam.used),
+                    free: Math.abs(latestRam.free)
+                });
+                if (jumpRamHistory.length > MAX_POINTS) {
+                    jumpRamHistory.shift();
+                }
+            } else {
+                console.debug('No jump node RAM data available.');
+            }
+
             if (data.jumpNode.load?.length) {
                 const latestLoad = data.jumpNode.load[data.jumpNode.load.length - 1];
                 jumpLoadHistory.push({
@@ -880,6 +922,17 @@
                 console.debug('Jump CPU chart not initialized.');
             }
 
+            if (charts.jumpRam) {
+                const usedData = smoothData(jumpRamHistory.map(d => d.used) || [], SMOOTHING_WINDOW);
+                const freeData = smoothData(jumpRamHistory.map(d => d.free) || [], SMOOTHING_WINDOW);
+                charts.jumpRam.data.labels = jumpRamHistory.length ? jumpRamHistory.map((_, i) => i) : defaultLabels;
+                charts.jumpRam.data.datasets[0].data = usedData.length ? usedData : defaultData;
+                charts.jumpRam.data.datasets[1].data = freeData.length ? freeData : defaultData;
+                charts.jumpRam.update();
+            } else {
+                console.debug('Jump RAM chart not initialized.');
+            }
+
             if (charts.jumpNet) {
                 const maxVal = Math.max(...jumpNetHistory.map(d => Math.max(d.received, d.sent)), 1);
                 const unitInfo = formatBytes(maxVal);

system-status.js

@@ -220,6 +220,7 @@ async function getJumpNodeMetrics() {
     try {
         const charts = [
             { key: 'cpu', url: `${NETDATA_JUMP_URL}/api/v3/data?contexts=system.cpu&group_by=dimension&group=average&after=-60&points=30&format=json`, map: d => ({ time: d[0], user: d[6], system: d[7] }) },
+            { key: 'ram', url: `${NETDATA_JUMP_URL}/api/v3/data?contexts=system.ram&group_by=dimension&group=average&after=-60&points=30&format=json`, map: d => ({ time: d[0], used: d[2], free: d[1] }) },
             { key: 'net', url: `${NETDATA_JUMP_URL}/api/v3/data?contexts=system.net&group_by=dimension&group=average&after=-60&points=30&format=json`, map: d => ({ time: d[0], received: d[1], sent: d[2] }) },
             { key: 'disk', url: `${NETDATA_JUMP_URL}/api/v3/data?contexts=system.io&group_by=dimension&group=average&after=-60&points=30&format=json`, map: d => ({ time: d[0], in: d[1], out: d[2] }) },
             { key: 'anomaly', url: `${NETDATA_JUMP_URL}/api/v3/data?contexts=anomaly_detection.dimensions&scope_nodes=my-mc-link&group_by=dimension&group=average&after=-60&points=30&format=json`, map: d => ({ time: d[0], anomalous: d[1], normal: d[2] }) },
@@ -253,7 +254,7 @@ async function getJumpNodeMetrics() {
         // Ensure all keys are present, even if empty
         return {
             cpu: metrics.cpu || [],
-            ram: [], // RAM chart removed until verified
+            ram: metrics.ram || [],
             net: metrics.net || [],
             disk: metrics.disk || [],
             anomaly: metrics.anomaly || [],