Files
node-monitor/app/web/static/logs.js
2025-06-11 16:29:40 +03:00

126 lines
5.0 KiB
JavaScript

document.addEventListener('DOMContentLoaded', () => {
const logTableContainer = document.getElementById('log-table-container');
const logCountSpan = document.getElementById('log-count');
const POLLING_INTERVAL_MS = 5000; // Poll every 5 seconds
const serviceUuid = logTableContainer.dataset.serviceUuid || '{{ service_uuid }}'; // Fallback for non-dynamic rendering
async function fetchLogs() {
try {
const response = await fetch(`/${serviceUuid}/logs?limit=100`);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
renderLogTable(data.logs);
logCountSpan.textContent = data.log_count;
} catch (error) {
console.error("Error fetching logs:", error);
logTableContainer.innerHTML = '<p class="loading-message">Error loading logs. Please check server connection.</p>';
}
}
function renderLogTable(logs) {
logTableContainer.innerHTML = ''; // Clear existing content
if (logs.length === 0) {
logTableContainer.innerHTML = '<p class="loading-message">No logs available.</p>';
return;
}
// Create table
const table = document.createElement('table');
table.classList.add('log-table');
// Create header
const thead = document.createElement('thead');
const headerRow = document.createElement('tr');
const headers = [
{ key: 'timestamp', label: 'Timestamp' },
{ key: 'level', label: 'Level' },
{ key: 'message', label: 'Message' },
{ key: 'extra', label: 'Extra' }
];
headers.forEach(header => {
const th = document.createElement('th');
th.textContent = header.label;
th.dataset.key = header.key;
th.classList.add('sortable');
th.addEventListener('click', () => sortTable(header.key));
headerRow.appendChild(th);
});
thead.appendChild(headerRow);
table.appendChild(thead);
// Create body
const tbody = document.createElement('tbody');
logs.forEach(log => {
const row = document.createElement('tr');
row.innerHTML = `
<td>${new Date(log.timestamp).toLocaleString()}</td>
<td class="log-level log-level-${log.level.toLowerCase()}">${log.level}</td>
<td>${escapeHtml(log.message)}</td>
<td>
${log.extra ? `
<div class="json-toggle">Show JSON</div>
<pre class="json-content" style="display: none;">${JSON.stringify(log.extra, null, 2)}</pre>
` : '-'}
</td>
`;
tbody.appendChild(row);
});
table.appendChild(tbody);
logTableContainer.appendChild(table);
// Add click handlers for JSON toggles
document.querySelectorAll('.json-toggle').forEach(toggle => {
toggle.addEventListener('click', () => {
const jsonContent = toggle.nextElementSibling;
const isHidden = jsonContent.style.display === 'none';
jsonContent.style.display = isHidden ? 'block' : 'none';
toggle.textContent = isHidden ? 'Hide JSON' : 'Show JSON';
});
});
}
function sortTable(key) {
const table = document.querySelector('.log-table');
const tbody = table.querySelector('tbody');
const rows = Array.from(tbody.querySelectorAll('tr'));
const isAsc = table.dataset.sortKey === key && table.dataset.sortDir !== 'desc';
table.dataset.sortKey = key;
table.dataset.sortDir = isAsc ? 'desc' : 'asc';
rows.sort((a, b) => {
let aValue, bValue;
if (key === 'timestamp') {
aValue = new Date(a.cells[0].textContent);
bValue = new Date(b.cells[0].textContent);
} else if (key === 'level') {
aValue = a.cells[1].textContent.toLowerCase();
bValue = b.cells[1].textContent.toLowerCase();
} else if (key === 'message') {
aValue = a.cells[2].textContent.toLowerCase();
bValue = b.cells[2].textContent.toLowerCase();
} else {
aValue = a.cells[3].querySelector('.json-content')?.textContent || '';
bValue = b.cells[3].querySelector('.json-content')?.textContent || '';
}
return isAsc ? (aValue < bValue ? -1 : 1) : (aValue > bValue ? -1 : 1);
});
tbody.innerHTML = '';
rows.forEach(row => tbody.appendChild(row));
}
function escapeHtml(str) {
const div = document.createElement('div');
div.textContent = str;
return div.innerHTML;
}
// Initial fetch and polling
fetchLogs();
setInterval(fetchLogs, POLLING_INTERVAL_MS);
});