Files
skywatch/server/index.js
T

882 lines
28 KiB
JavaScript

const express = require('express');
const cors = require('cors');
const path = require('path');
require('dotenv').config();
const db = require('./database');
const scheduler = require('./scheduler');
const monitorService = require('./monitorService');
const notificationService = require('./notificationService');
const cache = require('./cache');
const app = express();
const PORT = process.env.PORT || 3001;
// Helper to get timezone offset for SQL queries
function getTimezoneOffset() {
const tz = process.env.TIMEZONE || 'UTC';
if (tz === 'UTC') return '0 hours';
// Use Intl to get the actual offset
const now = new Date();
const formatter = new Intl.DateTimeFormat('en-US', {
timeZone: tz,
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false
});
const parts = formatter.formatToParts(now);
const values = {};
parts.forEach(({ type, value }) => { values[type] = value; });
// Create a date string in the target timezone and parse it
const tzDateStr = `${values.year}-${values.month}-${values.day}T${values.hour}:${values.minute}:${values.second}`;
const tzDate = new Date(tzDateStr); // Parsed as local browser time (wrong - just for comparison)
// Better approach: get offset by comparing UTC formatted time with TZ formatted time
const utcFormatter = new Intl.DateTimeFormat('en-US', {
timeZone: 'UTC',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false
});
const tzFormatter = new Intl.DateTimeFormat('en-US', {
timeZone: tz,
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false
});
const utcTime = utcFormatter.format(now);
const tzTime = tzFormatter.format(now);
const utcHour = parseInt(utcTime.split(':')[0]);
const tzHour = parseInt(tzTime.split(':')[0]);
// Calculate the offset
let offsetHours = tzHour - utcHour;
if (offsetHours > 12) offsetHours -= 24;
if (offsetHours < -12) offsetHours += 24;
console.log(`Timezone offset for ${tz}: ${offsetHours} hours (UTC ${utcHour}:00, TZ ${tzHour}:00)`);
// SQL datetime() function: we need the OPPOSITE sign
// If local is 5 hours behind UTC, we need to ADD 5 hours to go backwards (counterintuitive but correct for SQLite)
const sqlOffset = -offsetHours;
const result = sqlOffset > 0 ? `+${sqlOffset} hours` : `${sqlOffset} hours`;
console.log(`SQL offset calculation: offsetHours=${offsetHours}, sqlOffset=${sqlOffset}, result="${result}"`);
return result;
}
app.use(cors());
app.use(express.json());
// API Routes
// Get all groups
app.get('/api/groups', (req, res) => {
const groups = db.prepare('SELECT * FROM groups ORDER BY name').all();
res.json(groups);
});
// Create group
app.post('/api/groups', (req, res) => {
const { name, description } = req.body;
if (!name) {
return res.status(400).json({ error: 'Group name is required' });
}
try {
const result = db.prepare('INSERT INTO groups (name, description) VALUES (?, ?)').run(name, description || '');
res.json({ id: result.lastInsertRowid, message: 'Group created' });
} catch (error) {
res.status(400).json({ error: 'Group name must be unique' });
}
});
// Delete group
app.delete('/api/groups/:id', (req, res) => {
db.prepare('DELETE FROM groups WHERE id = ?').run(req.params.id);
res.json({ message: 'Group deleted' });
});
// Get all resources
app.get('/api/resources', (req, res) => {
const resources = db.prepare('SELECT * FROM resources ORDER BY group_id, name').all();
res.json(resources);
});
// Get single resource with stats
app.get('/api/resources/:id', (req, res) => {
const resource = db.prepare('SELECT * FROM resources WHERE id = ?').get(req.params.id);
if (!resource) {
return res.status(404).json({ error: 'Resource not found' });
}
const stats = monitorService.getResourceStats(resource.id, 24);
const lastCheck = monitorService.getLastCheck(resource.id);
const activeIncident = db.prepare(`
SELECT * FROM incidents
WHERE resource_id = ? AND resolved_at IS NULL
`).get(resource.id);
res.json({
...resource,
stats,
lastCheck,
hasActiveIncident: !!activeIncident,
});
});
// Create resource
app.post('/api/resources', (req, res) => {
const { name, url, type, check_interval, timeout, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target, email_to } = req.body;
if (!name || !url) {
return res.status(400).json({ error: 'Name and URL are required' });
}
const stmt = db.prepare(`
INSERT INTO resources (name, url, type, check_interval, timeout, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target, email_to)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
`);
const result = stmt.run(
name,
url,
type || 'http',
check_interval || 60000,
timeout || 5000,
group_id || null,
http_keyword || null,
http_headers || null,
quiet_hours_start || null,
quiet_hours_end || null,
cert_expiry_days || 30,
sla_target || 99.9,
email_to || null
);
// Invalidate related cache entries
cache.invalidatePattern('history:');
cache.invalidatePattern('sla:');
res.json({ id: result.lastInsertRowid, message: 'Resource created' });
});
// Update resource
app.put('/api/resources/:id', (req, res) => {
const { name, url, type, check_interval, timeout, enabled, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target, email_to } = req.body;
const stmt = db.prepare(`
UPDATE resources
SET name = ?, url = ?, type = ?, check_interval = ?, timeout = ?, enabled = ?, group_id = ?, http_keyword = ?, http_headers = ?, quiet_hours_start = ?, quiet_hours_end = ?, cert_expiry_days = ?, sla_target = ?, email_to = ?
WHERE id = ?
`);
stmt.run(
name,
url,
type,
check_interval,
timeout,
enabled ? 1 : 0,
group_id || null,
http_keyword || null,
http_headers || null,
quiet_hours_start || null,
quiet_hours_end || null,
cert_expiry_days || 30,
sla_target || 99.9,
email_to || null,
req.params.id
);
// Invalidate related cache entries
cache.invalidatePattern('history:');
cache.invalidatePattern('sla:');
res.json({ message: 'Resource updated' });
});
// Delete resource
app.delete('/api/resources/:id', (req, res) => {
db.prepare('DELETE FROM resources WHERE id = ?').run(req.params.id);
// Invalidate related cache entries
cache.invalidatePattern('history:');
cache.invalidatePattern('sla:');
res.json({ message: 'Resource deleted' });
});
// Get dashboard overview (grouped)
app.get('/api/dashboard', (req, res) => {
const resources = db.prepare('SELECT * FROM resources ORDER BY group_id, name').all();
const groups = db.prepare('SELECT * FROM groups ORDER BY name').all();
const overview = resources.map(resource => {
const lastCheck = monitorService.getLastCheck(resource.id);
const stats = monitorService.getResourceStats(resource.id, 24);
const activeIncident = db.prepare(`
SELECT * FROM incidents
WHERE resource_id = ? AND resolved_at IS NULL
`).get(resource.id);
const recentChecks = db.prepare(`
SELECT response_time, status, REPLACE(checked_at, ' ', 'T') || 'Z' as checked_at
FROM checks
WHERE resource_id = ?
ORDER BY checked_at DESC
LIMIT 15
`).all(resource.id).reverse();
return {
id: resource.id,
name: resource.name,
url: resource.url,
type: resource.type,
group_id: resource.group_id,
enabled: resource.enabled,
check_interval: resource.check_interval,
timeout: resource.timeout,
http_keyword: resource.http_keyword,
http_headers: resource.http_headers,
quiet_hours_start: resource.quiet_hours_start,
quiet_hours_end: resource.quiet_hours_end,
cert_expiry_days: resource.cert_expiry_days,
sla_target: resource.sla_target,
email_to: resource.email_to,
status: lastCheck?.status || 'unknown',
uptime: stats.uptime,
avgResponseTime: stats.avgResponseTime,
lastCheck: lastCheck?.checked_at,
hasActiveIncident: !!activeIncident,
recentChecks,
};
});
res.json({ resources: overview, groups });
});
// Get incidents
app.get('/api/incidents', (req, res) => {
const incidents = db.prepare(`
SELECT i.*, r.name as resource_name, r.url as resource_url
FROM incidents i
JOIN resources r ON i.resource_id = r.id
ORDER BY i.started_at DESC
LIMIT 50
`).all();
res.json(incidents);
});
// Get settings
app.get('/api/settings', (req, res) => {
const settings = {
email_enabled: process.env.EMAIL_ENABLED === 'true',
email_host: process.env.EMAIL_HOST || 'smtp.gmail.com',
email_port: parseInt(process.env.EMAIL_PORT) || 587,
email_user: process.env.EMAIL_USER || '',
email_pass: '', // Don't send password to client
email_from: process.env.EMAIL_FROM || '',
email_to: process.env.EMAIL_TO || '',
webhook_enabled: process.env.WEBHOOK_ENABLED === 'true',
webhook_url: process.env.WEBHOOK_URL || '',
check_interval: parseInt(process.env.CHECK_INTERVAL) || 60000,
timeout: parseInt(process.env.TIMEOUT) || 5000,
timezone: process.env.TIMEZONE || 'UTC',
// Data retention settings
retention_days: parseInt(process.env.RETENTION_DAYS) || 7,
auto_cleanup_enabled: process.env.AUTO_CLEANUP_ENABLED === 'true',
// Incident thresholds
consecutive_failures: parseInt(process.env.CONSECUTIVE_FAILURES) || 3,
grace_period: parseInt(process.env.GRACE_PERIOD) || 300,
downtime_threshold: parseInt(process.env.DOWNTIME_THRESHOLD) || 600,
// Alert retry logic
alert_retry_count: parseInt(process.env.ALERT_RETRY_COUNT) || 3,
alert_retry_delay: parseInt(process.env.ALERT_RETRY_DELAY) || 60,
fallback_webhook: process.env.FALLBACK_WEBHOOK || '',
// Alert scheduling
global_quiet_hours_start: process.env.GLOBAL_QUIET_HOURS_START || '',
global_quiet_hours_end: process.env.GLOBAL_QUIET_HOURS_END || '',
escalation_hours: parseInt(process.env.ESCALATION_HOURS) || 4,
// Dashboard customization
default_sort: process.env.DEFAULT_SORT || 'name',
items_per_page: parseInt(process.env.ITEMS_PER_PAGE) || 20,
refresh_interval: parseInt(process.env.REFRESH_INTERVAL) || 5000,
theme: process.env.THEME || 'light',
};
res.json(settings);
});
// Save settings
app.post('/api/settings', (req, res) => {
const fs = require('fs');
const path = require('path');
const envPath = path.join(__dirname, '../.env');
const {
email_enabled,
email_host,
email_port,
email_user,
email_pass,
email_from,
email_to,
webhook_enabled,
webhook_url,
check_interval,
timeout,
timezone,
retention_days,
auto_cleanup_enabled,
consecutive_failures,
grace_period,
downtime_threshold,
alert_retry_count,
alert_retry_delay,
fallback_webhook,
global_quiet_hours_start,
global_quiet_hours_end,
escalation_hours,
default_sort,
items_per_page,
refresh_interval,
theme,
} = req.body;
const envContent = `PORT=${process.env.PORT || 3001}
EMAIL_ENABLED=${email_enabled}
EMAIL_HOST=${email_host}
EMAIL_PORT=${email_port}
EMAIL_USER=${email_user}
EMAIL_PASS=${email_pass || process.env.EMAIL_PASS || ''}
EMAIL_FROM=${email_from}
EMAIL_TO=${email_to}
WEBHOOK_ENABLED=${webhook_enabled}
WEBHOOK_URL=${webhook_url}
CHECK_INTERVAL=${check_interval}
TIMEOUT=${timeout}
TIMEZONE=${timezone || 'UTC'}
RETENTION_DAYS=${retention_days || 7}
AUTO_CLEANUP_ENABLED=${auto_cleanup_enabled}
CONSECUTIVE_FAILURES=${consecutive_failures || 3}
GRACE_PERIOD=${grace_period || 300}
DOWNTIME_THRESHOLD=${downtime_threshold || 600}
ALERT_RETRY_COUNT=${alert_retry_count || 3}
ALERT_RETRY_DELAY=${alert_retry_delay || 60}
FALLBACK_WEBHOOK=${fallback_webhook || ''}
GLOBAL_QUIET_HOURS_START=${global_quiet_hours_start || ''}
GLOBAL_QUIET_HOURS_END=${global_quiet_hours_end || ''}
ESCALATION_HOURS=${escalation_hours || 4}
DEFAULT_SORT=${default_sort || 'name'}
ITEMS_PER_PAGE=${items_per_page || 20}
REFRESH_INTERVAL=${refresh_interval || 5000}
THEME=${theme || 'light'}
`;
try {
fs.writeFileSync(envPath, envContent);
// Keep runtime config in sync without requiring a restart
process.env.TIMEZONE = timezone || 'UTC';
process.env.EMAIL_ENABLED = String(email_enabled);
process.env.EMAIL_HOST = email_host;
process.env.EMAIL_PORT = String(email_port);
process.env.EMAIL_USER = email_user;
process.env.EMAIL_PASS = email_pass || process.env.EMAIL_PASS || '';
process.env.EMAIL_FROM = email_from;
process.env.EMAIL_TO = email_to;
process.env.WEBHOOK_ENABLED = String(webhook_enabled);
process.env.WEBHOOK_URL = webhook_url;
process.env.CHECK_INTERVAL = String(check_interval);
process.env.TIMEOUT = String(timeout);
process.env.RETENTION_DAYS = String(retention_days || 7);
process.env.AUTO_CLEANUP_ENABLED = String(auto_cleanup_enabled);
process.env.CONSECUTIVE_FAILURES = String(consecutive_failures || 3);
process.env.GRACE_PERIOD = String(grace_period || 300);
process.env.DOWNTIME_THRESHOLD = String(downtime_threshold || 600);
process.env.ALERT_RETRY_COUNT = String(alert_retry_count || 3);
process.env.ALERT_RETRY_DELAY = String(alert_retry_delay || 60);
process.env.FALLBACK_WEBHOOK = fallback_webhook || '';
process.env.GLOBAL_QUIET_HOURS_START = global_quiet_hours_start || '';
process.env.GLOBAL_QUIET_HOURS_END = global_quiet_hours_end || '';
process.env.ESCALATION_HOURS = String(escalation_hours || 4);
process.env.DEFAULT_SORT = default_sort || 'name';
process.env.ITEMS_PER_PAGE = String(items_per_page || 20);
process.env.REFRESH_INTERVAL = String(refresh_interval || 5000);
process.env.THEME = theme || 'light';
notificationService.setConfig({
email_enabled: email_enabled === true || email_enabled === 'true',
email_host,
email_port,
email_user,
email_pass: email_pass || process.env.EMAIL_PASS || '',
email_from,
email_to,
webhook_enabled: webhook_enabled === true || webhook_enabled === 'true',
webhook_url,
});
res.json({ message: 'Settings saved successfully' });
} catch (error) {
console.error('Error saving settings:', error);
res.status(500).json({ error: 'Failed to save settings' });
}
});
// Get historical check data for a resource (paginated)
app.get('/api/resources/:id/history', (req, res) => {
const { id } = req.params;
const { days = 7, page = 1, limit = 100 } = req.query;
const pageNum = Math.max(1, parseInt(page));
const pageLimit = Math.min(500, Math.max(10, parseInt(limit)));
const offset = (pageNum - 1) * pageLimit;
const resource = db.prepare('SELECT * FROM resources WHERE id = ?').get(id);
if (!resource) {
return res.status(404).json({ error: 'Resource not found' });
}
// Get total count
const countResult = db.prepare(`
SELECT COUNT(*) as total FROM checks
WHERE resource_id = ? AND checked_at > datetime('now', ?)
`).get(id, `-${days} days`);
const checks = db.prepare(`
SELECT
id,
status,
response_time,
status_code,
error_message,
details,
REPLACE(checked_at, ' ', 'T') || 'Z' as checked_at
FROM checks
WHERE resource_id = ? AND checked_at > datetime('now', ?)
ORDER BY checked_at DESC
LIMIT ? OFFSET ?
`).all(id, `-${days} days`, pageLimit, offset);
res.json({
resource,
checks: checks.reverse(), // Reverse to get ASC order for charting
pagination: {
page: pageNum,
limit: pageLimit,
total: countResult.total,
totalPages: Math.ceil(countResult.total / pageLimit),
},
});
});
// Paginated checks with filters
app.get('/api/resources/:id/checks', (req, res) => {
const resourceId = Number(req.params.id);
const {
limit = 50,
offset = 0,
status,
from,
to,
sort = 'desc',
} = req.query;
try {
const checks = monitorService.getChecks(resourceId, {
limit: Math.min(Number(limit), 200),
offset: Number(offset),
status,
from,
to,
sort,
});
res.json({ checks });
} catch (err) {
res.status(500).json({ error: err.message });
}
});
// Incidents timeline
app.get('/api/resources/:id/incidents', (req, res) => {
const resourceId = Number(req.params.id);
const {
limit = 50,
offset = 0,
status = 'all',
from,
to,
sort = 'desc',
} = req.query;
try {
const incidents = monitorService.getIncidents(resourceId, {
limit: Math.min(Number(limit), 200),
offset: Number(offset),
status,
from,
to,
sort,
});
res.json({ incidents });
} catch (err) {
res.status(500).json({ error: err.message });
}
});
// SLA/SLO summary for a resource
app.get('/api/resources/:id/sla', (req, res) => {
const resourceId = Number(req.params.id);
const hours = req.query.hours ? Number(req.query.hours) : 24;
try {
const summary = monitorService.getSlaSummary(resourceId, hours);
res.json(summary);
} catch (err) {
res.status(500).json({ error: err.message });
}
});
// Get all resources' check history for dashboard (optimized with aggregation)
app.get('/api/history/overview', (req, res) => {
const { days = 7, page = 1, page: pageParam, averaged = 'false' } = req.query;
console.log('History overview request:', { days, averaged, type: typeof averaged, timestamp: new Date().toISOString() });
// Resource pagination (number of resources per page)
const pageLimit = parseInt(req.query.limit || 10);
const currentPage = Math.max(1, parseInt(pageParam || page || 1));
const offset = (currentPage - 1) * pageLimit;
// Create cache key based on query parameters
const cacheKey = `history:days=${days}:page=${currentPage}:limit=${pageLimit}:averaged=${averaged}`;
console.log('Cache key:', cacheKey);
// Check cache first
const cachedResult = cache.get(cacheKey);
if (cachedResult) {
console.log('Returning cached result');
return res.json(cachedResult);
}
console.log('No cache hit, querying database');
// Get total count of enabled resources
const totalCount = db.prepare('SELECT COUNT(*) as count FROM resources WHERE enabled = 1').get();
const total = totalCount.count;
// Get paginated resources
const resources = db.prepare('SELECT * FROM resources WHERE enabled = 1 ORDER BY name LIMIT ? OFFSET ?')
.all(pageLimit, offset);
const overview = resources.map(resource => {
// Use aggregation query to get stats without loading all rows
const stats = db.prepare(`
SELECT
COUNT(*) as total,
SUM(CASE WHEN status = 'up' THEN 1 ELSE 0 END) as up_count,
AVG(response_time) as avg_response,
MIN(response_time) as min_response,
MAX(response_time) as max_response
FROM checks
WHERE resource_id = ? AND checked_at > datetime('now', ?)
`).get(resource.id, `-${days} days`);
const uptime = stats.total > 0 ? (stats.up_count / stats.total * 100) : 0;
const avgResponseTime = stats.avg_response || 0;
let recentChecks = [];
const isAveraged = String(averaged).toLowerCase() === 'true';
console.log(`Resource ${resource.name}: averaged=${averaged}, isAveraged=${isAveraged}`);
if (isAveraged) {
console.log(`Using averaged mode for ${resource.name}`);
// Compute interval hours for bucketing (1h for 7 days, 3h for 14, 6h for 30+)
const intervalHours = days <= 7 ? 1 : days <= 14 ? 3 : 6;
console.log(`Bucketing with ${intervalHours} hour intervals`);
// Use a reliable bucketing approach with Julian Day Numbers
// Convert to julian day, multiply by 24 for hours, divide by intervalHours and round
const bucketExpr = `ROUND((julianday(checked_at) * 24) / ${intervalHours}) * ${intervalHours} / 24`;
recentChecks = db.prepare(`
SELECT
REPLACE(datetime(${bucketExpr}), ' ', 'T') || 'Z' AS checked_at,
AVG(CASE WHEN status='up' THEN response_time ELSE NULL END) AS avg_up_response,
SUM(CASE WHEN status='up' THEN 1 ELSE 0 END) AS up_count,
COUNT(*) AS total_count
FROM checks
WHERE resource_id = ? AND checked_at > datetime('now', ?)
GROUP BY ${bucketExpr}
ORDER BY checked_at ASC
`).all(resource.id, `-${days} days`).map(row => ({
status: row.up_count >= Math.ceil(row.total_count/2) ? 'up' : 'down',
response_time: Math.round(row.avg_up_response || 0),
checked_at: row.checked_at,
}));
console.log(`${resource.name}: Returned ${recentChecks.length} averaged data points`);
} else {
console.log(`Using non-averaged mode for ${resource.name}`);
// Non-averaged: filter to window but cap to last 600 checks
recentChecks = db.prepare(`
SELECT status, response_time, REPLACE(checked_at, ' ', 'T') || 'Z' as checked_at
FROM checks
WHERE resource_id = ? AND checked_at > datetime('now', ?)
ORDER BY checked_at DESC
LIMIT 600
`).all(resource.id, `-${days} days`).reverse();
console.log(`${resource.name}: Returned ${recentChecks.length} non-averaged data points`);
}
return {
id: resource.id,
name: resource.name,
type: resource.type,
checks: recentChecks, // Already chronological
uptime: uptime.toFixed(2),
avgResponseTime: avgResponseTime.toFixed(0),
};
});
const result = { resources: overview, total, page: currentPage, limit: pageLimit };
// Cache result for 2 minutes (120 seconds)
cache.set(cacheKey, result, 120);
res.json(result);
});
// Acknowledge incident
app.post('/api/incidents/:id/acknowledge', (req, res) => {
const { id } = req.params;
const { acknowledged_by } = req.body;
const stmt = db.prepare(`
UPDATE incidents
SET acknowledged = 1, acknowledged_at = datetime('now'), acknowledged_by = ?
WHERE id = ? AND resolved_at IS NULL
`);
const result = stmt.run(acknowledged_by || 'User', id);
if (result.changes === 0) {
return res.status(404).json({ error: 'Incident not found or already resolved' });
}
res.json({ message: 'Incident acknowledged' });
});
// Get SLA report
app.get('/api/sla', (req, res) => {
const { days = 30, page = 1, limit = 10 } = req.query;
const pageLimit = parseInt(limit);
const currentPage = Math.max(1, parseInt(page));
const offset = (currentPage - 1) * pageLimit;
// Create cache key - ensure days is treated as a number
const daysNum = parseInt(days);
const retentionDays = parseInt(process.env.RETENTION_DAYS) || 7;
const effectiveDays = Math.min(daysNum, retentionDays);
const limitedByRetention = effectiveDays < daysNum;
const cacheKey = `sla:days=${daysNum}:eff=${effectiveDays}:page=${currentPage}:limit=${pageLimit}`;
console.log('SLA request:', { days: daysNum, effectiveDays, limitedByRetention, page: currentPage, limit: pageLimit, cacheKey });
// Check cache first
const cachedResult = cache.get(cacheKey);
if (cachedResult) {
console.log('SLA: Cache hit');
return res.json(cachedResult);
}
console.log('SLA: Cache miss, querying database');
// Get total count
const totalCount = db.prepare('SELECT COUNT(*) as count FROM resources WHERE enabled = 1').get();
const total = totalCount.count;
// Get paginated resources
const resources = db.prepare('SELECT * FROM resources WHERE enabled = 1 ORDER BY name LIMIT ? OFFSET ?')
.all(pageLimit, offset);
const slaData = resources.map(resource => {
const checks = db.prepare(`
SELECT status
FROM checks
WHERE resource_id = ? AND checked_at > datetime('now', ?)
`).all(resource.id, `-${effectiveDays} days`);
const upCount = checks.filter(c => c.status === 'up').length;
const actualUptime = checks.length > 0 ? (upCount / checks.length * 100) : 0;
const target = resource.sla_target || 99.9;
const meetsTarget = actualUptime >= target;
const incidents = db.prepare(`
SELECT COUNT(*) as count,
SUM(julianday(COALESCE(resolved_at, datetime('now'))) - julianday(started_at)) * 24 * 60 as downtime_minutes
FROM incidents
WHERE resource_id = ? AND started_at > datetime('now', ?)
`).get(resource.id, `-${effectiveDays} days`);
console.log(`SLA ${resource.name}: ${checks.length} checks in ${effectiveDays} days (requested ${daysNum})`);
return {
resource_id: resource.id,
resource_name: resource.name,
sla_target: target,
actual_uptime: actualUptime.toFixed(2),
meets_target: meetsTarget,
total_checks: checks.length,
successful_checks: upCount,
incidents: incidents.count || 0,
downtime_minutes: Math.round(incidents.downtime_minutes || 0),
group_id: resource.group_id,
};
});
const result = { resources: slaData, total, page: currentPage, limit: pageLimit, effective_days: effectiveDays, limited_by_retention: limitedByRetention };
// Cache result for 3 minutes (180 seconds)
cache.set(cacheKey, result, 180);
res.json(result);
});
// Test email
app.post('/api/test-email', async (req, res) => {
const nodemailer = require('nodemailer');
const { email_host, email_port, email_user, email_pass, email_from, email_to } = req.body;
try {
const transporter = nodemailer.createTransport({
host: email_host,
port: parseInt(email_port),
secure: false,
auth: {
user: email_user,
pass: email_pass,
},
});
await transporter.sendMail({
from: email_from,
to: email_to,
subject: 'Test Email from SkyWatch',
text: `This is a test email from your SkyWatch monitoring system.\n\nTime: ${new Date().toLocaleString()}\n\nIf you received this, your email notifications are working correctly!`,
});
res.json({ message: 'Test email sent successfully! Check your inbox.' });
} catch (error) {
console.error('Test email error:', error);
res.status(500).json({ error: error.message });
}
});
// Test webhook
app.post('/api/test-webhook', async (req, res) => {
const axios = require('axios');
const { webhook_url } = req.body;
try {
await axios.post(webhook_url, {
resource: 'Test Resource',
url: 'https://example.com',
status: 'test',
message: 'This is a test webhook from SkyWatch',
timestamp: new Date().toISOString(),
});
res.json({ message: 'Test webhook sent successfully!' });
} catch (error) {
console.error('Test webhook error:', error);
res.status(500).json({ error: error.message });
}
});
// Clear cache endpoint for debugging
app.post('/api/cache/clear', (req, res) => {
cache.clear();
console.log('Cache cleared at', new Date().toISOString());
res.json({ message: 'Cache cleared successfully' });
});
// Debug endpoint to check timezone offset
app.get('/api/debug/timezone', (req, res) => {
const offset = getTimezoneOffset();
const now = new Date();
const tz = process.env.TIMEZONE || 'UTC';
// Also show what the formatted times are
const utcFormatter = new Intl.DateTimeFormat('en-US', {
timeZone: 'UTC',
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: true
});
const tzFormatter = new Intl.DateTimeFormat('en-US', {
timeZone: tz,
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: true
});
res.json({
timezone: tz,
offset: offset,
utcTime: utcFormatter.format(now),
localTime: tzFormatter.format(now),
serverTime: now.toISOString()
});
});
// Serve React app with proper MIME types
const mimeTypes = {
'.js': 'application/javascript',
'.css': 'text/css',
'.json': 'application/json',
'.png': 'image/png',
'.jpg': 'image/jpeg',
'.gif': 'image/gif',
'.svg': 'image/svg+xml',
'.woff': 'font/woff',
'.woff2': 'font/woff2'
};
app.use(express.static(path.join(__dirname, '../client/build'), {
setHeaders: (res, filePath) => {
const ext = path.extname(filePath).toLowerCase();
if (mimeTypes[ext]) {
res.setHeader('Content-Type', mimeTypes[ext]);
}
}
}));
// Only serve index.html for non-file routes (no extension)
app.get('*', (req, res, next) => {
// If the request has a file extension, let static middleware handle it or 404
if (path.extname(req.path)) {
return next();
}
res.sendFile(path.join(__dirname, '../client/build/index.html'));
});
// Start server
app.listen(PORT, () => {
console.log(`Server running on http://localhost:${PORT}`);
scheduler.start();
});