MrKalzu/node-monitor
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Kalzu Rekku
2025-06-14 01:19:57 +03:00
parent 44c13c16df
commit c98081d360
7 changed files with 87 additions and 27 deletions
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1
app/main.py
View File

@ -346,6 +346,7 @@ async def read_root(request: Request):
"uptime_seconds": data.get("uptime_seconds"),
"formatted_uptime": format_uptime(data.get("uptime_seconds")), # Pre-format uptime for HTML
"load_avg": data.get("load_avg"),
"load_avg_fmt": [f"{x:.2f}" for x in data.get("load_avg", [])] if data.get("load_avg") else None,
"memory_usage_percent": data.get("memory_usage_percent"),
"connections": connections,
}

68
app/web/static/logs.js
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@ -4,12 +4,47 @@ document.addEventListener('DOMContentLoaded', () => {
const levelRadios = document.querySelectorAll('input[name="log-level"]');
const sinceFilter = document.getElementById('since-filter');
const applyFiltersButton = document.getElementById('apply-filters');
const togglePollingButton = document.getElementById('toggle-polling');
const pollingStatusSpan = document.getElementById('polling-status');
const POLLING_INTERVAL_MS = 5000;
const serviceUuid = logTableContainer.dataset.serviceUuid; // Get service UUID from data attribute
let currentLevel = '';
let currentSince = '';
let pollingIntervalId = null;
let isPollingActive = true; // Start active by default
// Function to update the UI elements related to polling status
function updatePollingStatusUI() {
if (isPollingActive) {
togglePollingButton.textContent = 'Pause Auto-Refresh';
pollingStatusSpan.textContent = `Auto-refresh: ON (every ${POLLING_INTERVAL_MS / 1000} seconds)`;
} else {
togglePollingButton.textContent = 'Resume Auto-Refresh';
pollingStatusSpan.textContent = 'Auto-refresh: OFF (paused)';
}
}
// Function to start polling
function startPolling() {
if (pollingIntervalId) {
clearInterval(pollingIntervalId); // Clear any existing interval to prevent duplicates
}
isPollingActive = true;
fetchLogs(); // Fetch immediately when starting/resuming
pollingIntervalId = setInterval(fetchLogs, POLLING_INTERVAL_MS);
updatePollingStatusUI();
}
// Function to stop polling
function stopPolling() {
isPollingActive = false;
clearInterval(pollingIntervalId);
pollingIntervalId = null;
updatePollingStatusUI();
}
async function fetchLogs() {
console.log('Fetching logs with params:', { level: currentLevel, since: currentSince });
try {
@ -24,13 +59,11 @@ document.addEventListener('DOMContentLoaded', () => {
console.log('Fetch URL:', url);
const response = await fetch(url);
console.log('Response status:', response.status);
console.log('Response Content-Type:', response.headers.get('Content-Type')); // NEW: Log Content-Type
console.log('Response Content-Type:', response.headers.get('Content-Type'));
if (!response.ok) {
const errorText = await response.text(); // Try to get response body as text
console.error('Raw response text on error:', errorText.substring(0, 500) + (errorText.length > 500 ? '...' : '')); // Log first 500 chars
// If the server returns a 404, it might be due to a stale UUID.
// Log a more specific message.
const errorText = await response.text();
console.error('Raw response text on error:', errorText.substring(0, 500) + (errorText.length > 500 ? '...' : ''));
if (response.status === 404) {
console.error(`404 Not Found: Service UUID mismatch. Current page UUID: ${serviceUuid}. Server UUID might have changed. Please hard refresh the page.`);
logTableContainer.innerHTML = `<p class="loading-message error-message">Error: Service UUID mismatch. Please hard refresh your browser tab (Ctrl+F5 or Cmd+Shift+R).</p>`;
@ -39,7 +72,8 @@ document.addEventListener('DOMContentLoaded', () => {
console.error(`HTTP error! status: ${response.status} - ${errorText}`);
logTableContainer.innerHTML = `<p class="loading-message error-message">Error loading logs. HTTP Status: ${response.status}. Please check server connection or hard refresh.</p>`;
}
return; // Stop further processing if error
stopPolling(); // Stop polling on error
return;
}
// Attempt to parse JSON. This is where the error would occur if the content is HTML.
@ -50,6 +84,7 @@ document.addEventListener('DOMContentLoaded', () => {
} catch (error) {
console.error("Error fetching logs (JSON parsing or other):", error);
logTableContainer.innerHTML = '<p class="loading-message error-message">Error loading logs. Failed to parse response or other network issue. See console for details.</p>';
stopPolling(); // Stop polling on error
}
}
@ -151,19 +186,26 @@ document.addEventListener('DOMContentLoaded', () => {
return div.innerHTML;
}
// Event listener for the "Apply Filters" button
applyFiltersButton.addEventListener('click', () => {
const selectedRadio = document.querySelector('input[name="log-level"]:checked');
currentLevel = selectedRadio ? selectedRadio.value : '';
// Send the datetime-local value directly. It's already in YYYY-MM-DDTHH:mm (24-hour) format.
// The backend will interpret this as UTC.
currentSince = sinceFilter.value;
console.log('Applying filters:', { level: currentLevel, since: currentSince });
fetchLogs();
// When filters are applied, always restart polling to fetch new data
startPolling();
});
// Event listener for the new "Toggle Polling" button
togglePollingButton.addEventListener('click', () => {
if (isPollingActive) {
stopPolling();
} else {
startPolling();
}
});
console.log('Initializing logs page');
// Call fetchLogs immediately on page load to populate the table with fresh data
// and handle the initial refresh logic.
fetchLogs();
setInterval(fetchLogs, POLLING_INTERVAL_MS);
// Initial call to start polling when the page loads
startPolling();
});

26
app/web/static/script.js
View File

@ -72,16 +72,30 @@ document.addEventListener('DOMContentLoaded', () => {
<p><strong>UUID:</strong> ${rowNode.uuid}</p>
<p><strong>IP:</strong> ${rowNode.ip}</p>
<p><strong>Last Seen:</strong> ${new Date(rowNode.last_seen).toLocaleTimeString()}</p>
<p><strong>Uptime:</strong> ${rowNode.uptime_seconds ? formatUptime(rowNode.uptime_seconds) : 'N/A'}</p>
<p><strong>Load Avg (1m, 5m, 15m):</strong> ${rowNode.load_avg ? rowNode.load_avg.map(l => l.toFixed(2)).join(', ') : 'N/A'}</p>
<p><strong>Memory Usage:</strong> ${rowNode.memory_usage_percent ? rowNode.memory_usage_percent.toFixed(2) + '%' : 'N/A'}</p>
<p><strong>Uptime:</strong> ${rowNode.uptime_seconds =! null ? formatUptime(rowNode.uptime_seconds) : 'N/A'}</p>
<p><strong>Load Avg (1m, 5m, 15m):</strong> ${
Array.isArray(rowNode.load_avg)
? rowNode.load_avg.map(l => l.toFixed(2)).join(', ')
: 'N/A'
}</p>
<p><strong>Memory Usage:</strong> ${
rowNode.memory_usage_percent != null
? rowNode.memory_usage_percent.toFixed(2) + '%'
: 'N/A'
}</p>
</div>
`;
} else {
// Off-diagonal: show ping latency
const latency = rowNode.connections && colNode.uuid in rowNode.connections && rowNode.connections[colNode.uuid] !== null ? rowNode.connections[colNode.uuid] : null;
const displayLatency = latency !== null && !isNaN(latency) ? `${latency.toFixed(1)} ms` : 'N/A';
const latencyClass = latency !== null && !isNaN(latency) ? getLatencyClass(latency) : 'latency-unavailable';
const latency = (
rowNode.connections &&
colNode.uuid in rowNode.connections &&
rowNode.connections[colNode.uuid] !== null
) ? rowNode.connections[colNode.uuid] : null;
const displayLatency = (latency != null && !isNaN(latency)) ? `${latency.toFixed(1)} ms` : 'N/A';
const latencyClass = (latency != null && !isNaN(latency)) ? getLatencyClass(latency) : 'latency-unavailable';
cell.classList.add(latencyClass);
cell.innerHTML = `
<div class="conn-status-text">Ping: ${displayLatency}</div>

2
app/web/templates/index.html
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@ -58,7 +58,7 @@
<p><strong>IP:</strong> {{ row_node.ip }}</p>
<p><strong>Last Seen:</strong> {{ row_node.formatted_last_seen }}</p>
<p><strong>Uptime:</strong> {{ row_node.formatted_uptime }}</p>
<p><strong>Load Avg (1m, 5m, 15m):</strong> {{ row_node.load_avg | map('%.2f' | format) | join(', ') if row_node.load_avg else 'N/A' }}</p>
<p><strong>Load Avg (1m, 5m, 15m):</strong> {{ row_node.load_avg_fmt | join(', ') if row_node.load_avg_fmt else 'N/A' }}</p>
<p><strong>Memory Usage:</strong> {{ '%.2f' | format(row_node.memory_usage_percent) + '%' if row_node.memory_usage_percent is not none else 'N/A' }}</p>
</div>
{% else %}

3
app/web/templates/logs.html
View File

@ -9,7 +9,7 @@
<div class="header-container">
<h1>Node Monitor Logs</h1>
<p>Service UUID: <code>{{ service_uuid }}</code></p>
<p>Total Logs: <span id="log-count">{{ log_count }}</span> (Auto-refreshing every 5 seconds)</p>
<p>Total Logs: <span id="log-count">{{ log_count }}</span> (<span id="polling-status"></span>)</p>
<div class="filter-container">
<fieldset>
<legend>Log Level</legend>
@ -21,6 +21,7 @@
<label for="since-filter">Since (UTC ISO 8601):</label>
<input type="datetime-local" id="since-filter" placeholder="e.g., 2025-06-11T13:32 (UTC)">
<button id="apply-filters">Apply</button>
<button id="toggle-polling"></button> {# Added toggle-polling button #}
</div>
</div>
<div id="log-table-container" data-service-uuid="{{ service_uuid }}">