mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-12-21 05:34:42 -05:00
918 lines
35 KiB
JavaScript
918 lines
35 KiB
JavaScript
const https = require("https");
|
|
const dayjs = require("dayjs");
|
|
const utc = require("dayjs/plugin/utc");
|
|
let timezone = require("dayjs/plugin/timezone");
|
|
dayjs.extend(utc);
|
|
dayjs.extend(timezone);
|
|
const axios = require("axios");
|
|
const { Prometheus } = require("../prometheus");
|
|
const { log, UP, DOWN, PENDING, flipStatus, TimeLogger } = require("../../src/util");
|
|
const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mqttAsync } = require("../util-server");
|
|
const { R } = require("redbean-node");
|
|
const { BeanModel } = require("redbean-node/dist/bean-model");
|
|
const { Notification } = require("../notification");
|
|
const { Proxy } = require("../proxy");
|
|
const { demoMode } = require("../config");
|
|
const version = require("../../package.json").version;
|
|
const apicache = require("../modules/apicache");
|
|
const { UptimeKumaServer } = require("../uptime-kuma-server");
|
|
|
|
/**
|
|
* status:
|
|
* 0 = DOWN
|
|
* 1 = UP
|
|
* 2 = PENDING
|
|
*/
|
|
class Monitor extends BeanModel {
|
|
|
|
/**
|
|
* Return an object that ready to parse to JSON for public
|
|
* Only show necessary data to public
|
|
* @returns {Object}
|
|
*/
|
|
async toPublicJSON(showTags = false) {
|
|
let obj = {
|
|
id: this.id,
|
|
name: this.name,
|
|
};
|
|
if (showTags) {
|
|
obj.tags = await this.getTags();
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
* Return an object that ready to parse to JSON
|
|
* @returns {Object}
|
|
*/
|
|
async toJSON(includeSensitiveData = true) {
|
|
|
|
let notificationIDList = {};
|
|
|
|
let list = await R.find("monitor_notification", " monitor_id = ? ", [
|
|
this.id,
|
|
]);
|
|
|
|
for (let bean of list) {
|
|
notificationIDList[bean.notification_id] = true;
|
|
}
|
|
|
|
const tags = await this.getTags();
|
|
|
|
let data = {
|
|
id: this.id,
|
|
name: this.name,
|
|
url: this.url,
|
|
method: this.method,
|
|
hostname: this.hostname,
|
|
port: this.port,
|
|
maxretries: this.maxretries,
|
|
weight: this.weight,
|
|
active: this.active,
|
|
type: this.type,
|
|
interval: this.interval,
|
|
retryInterval: this.retryInterval,
|
|
keyword: this.keyword,
|
|
expiryNotification: this.isEnabledExpiryNotification(),
|
|
ignoreTls: this.getIgnoreTls(),
|
|
upsideDown: this.isUpsideDown(),
|
|
maxredirects: this.maxredirects,
|
|
accepted_statuscodes: this.getAcceptedStatuscodes(),
|
|
dns_resolve_type: this.dns_resolve_type,
|
|
dns_resolve_server: this.dns_resolve_server,
|
|
dns_last_result: this.dns_last_result,
|
|
proxyId: this.proxy_id,
|
|
notificationIDList,
|
|
tags: tags,
|
|
mqttUsername: this.mqttUsername,
|
|
mqttPassword: this.mqttPassword,
|
|
mqttTopic: this.mqttTopic,
|
|
mqttSuccessMessage: this.mqttSuccessMessage
|
|
};
|
|
|
|
if (includeSensitiveData) {
|
|
data = {
|
|
...data,
|
|
headers: this.headers,
|
|
body: this.body,
|
|
basic_auth_user: this.basic_auth_user,
|
|
basic_auth_pass: this.basic_auth_pass,
|
|
pushToken: this.pushToken,
|
|
};
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/**
|
|
* Get all tags applied to this monitor
|
|
* @returns {Promise<LooseObject<any>[]>}
|
|
*/
|
|
async getTags() {
|
|
return await R.getAll("SELECT mt.*, tag.name, tag.color FROM monitor_tag mt JOIN tag ON mt.tag_id = tag.id WHERE mt.monitor_id = ?", [ this.id ]);
|
|
}
|
|
|
|
/**
|
|
* Encode user and password to Base64 encoding
|
|
* for HTTP "basic" auth, as per RFC-7617
|
|
* @returns {string}
|
|
*/
|
|
encodeBase64(user, pass) {
|
|
return Buffer.from(user + ":" + pass).toString("base64");
|
|
}
|
|
|
|
/**
|
|
* Is the TLS expiry notification enabled?
|
|
* @returns {boolean}
|
|
*/
|
|
isEnabledExpiryNotification() {
|
|
return Boolean(this.expiryNotification);
|
|
}
|
|
|
|
/**
|
|
* Parse to boolean
|
|
* @returns {boolean}
|
|
*/
|
|
getIgnoreTls() {
|
|
return Boolean(this.ignoreTls);
|
|
}
|
|
|
|
/**
|
|
* Parse to boolean
|
|
* @returns {boolean}
|
|
*/
|
|
isUpsideDown() {
|
|
return Boolean(this.upsideDown);
|
|
}
|
|
|
|
/**
|
|
* Get accepted status codes
|
|
* @returns {Object}
|
|
*/
|
|
getAcceptedStatuscodes() {
|
|
return JSON.parse(this.accepted_statuscodes_json);
|
|
}
|
|
|
|
/**
|
|
* Start monitor
|
|
* @param {Server} io Socket server instance
|
|
*/
|
|
start(io) {
|
|
let previousBeat = null;
|
|
let retries = 0;
|
|
|
|
let prometheus = new Prometheus(this);
|
|
|
|
const beat = async () => {
|
|
|
|
let beatInterval = this.interval;
|
|
|
|
if (! beatInterval) {
|
|
beatInterval = 1;
|
|
}
|
|
|
|
if (demoMode) {
|
|
if (beatInterval < 20) {
|
|
console.log("beat interval too low, reset to 20s");
|
|
beatInterval = 20;
|
|
}
|
|
}
|
|
|
|
// Expose here for prometheus update
|
|
// undefined if not https
|
|
let tlsInfo = undefined;
|
|
|
|
if (!previousBeat || this.type === "push") {
|
|
previousBeat = await R.findOne("heartbeat", " monitor_id = ? ORDER BY time DESC", [
|
|
this.id,
|
|
]);
|
|
}
|
|
|
|
const isFirstBeat = !previousBeat;
|
|
|
|
let bean = R.dispense("heartbeat");
|
|
bean.monitor_id = this.id;
|
|
bean.time = R.isoDateTimeMillis(dayjs.utc());
|
|
bean.status = DOWN;
|
|
|
|
if (this.isUpsideDown()) {
|
|
bean.status = flipStatus(bean.status);
|
|
}
|
|
|
|
// Duration
|
|
if (!isFirstBeat) {
|
|
bean.duration = dayjs(bean.time).diff(dayjs(previousBeat.time), "second");
|
|
} else {
|
|
bean.duration = 0;
|
|
}
|
|
|
|
try {
|
|
if (this.type === "http" || this.type === "keyword") {
|
|
// Do not do any queries/high loading things before the "bean.ping"
|
|
let startTime = dayjs().valueOf();
|
|
|
|
// HTTP basic auth
|
|
let basicAuthHeader = {};
|
|
if (this.basic_auth_user) {
|
|
basicAuthHeader = {
|
|
"Authorization": "Basic " + this.encodeBase64(this.basic_auth_user, this.basic_auth_pass),
|
|
};
|
|
}
|
|
|
|
const httpsAgentOptions = {
|
|
maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
|
|
rejectUnauthorized: !this.getIgnoreTls(),
|
|
};
|
|
|
|
log.debug("monitor", `[${this.name}] Prepare Options for axios`);
|
|
|
|
const options = {
|
|
url: this.url,
|
|
method: (this.method || "get").toLowerCase(),
|
|
...(this.body ? { data: JSON.parse(this.body) } : {}),
|
|
timeout: this.interval * 1000 * 0.8,
|
|
headers: {
|
|
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
|
|
"User-Agent": "Uptime-Kuma/" + version,
|
|
...(this.headers ? JSON.parse(this.headers) : {}),
|
|
...(basicAuthHeader),
|
|
},
|
|
maxRedirects: this.maxredirects,
|
|
validateStatus: (status) => {
|
|
return checkStatusCode(status, this.getAcceptedStatuscodes());
|
|
},
|
|
};
|
|
|
|
if (this.proxy_id) {
|
|
const proxy = await R.load("proxy", this.proxy_id);
|
|
|
|
if (proxy && proxy.active) {
|
|
const { httpAgent, httpsAgent } = Proxy.createAgents(proxy, {
|
|
httpsAgentOptions: httpsAgentOptions,
|
|
});
|
|
|
|
options.proxy = false;
|
|
options.httpAgent = httpAgent;
|
|
options.httpsAgent = httpsAgent;
|
|
}
|
|
}
|
|
|
|
if (!options.httpsAgent) {
|
|
options.httpsAgent = new https.Agent(httpsAgentOptions);
|
|
}
|
|
|
|
log.debug("monitor", `[${this.name}] Axios Options: ${JSON.stringify(options)}`);
|
|
log.debug("monitor", `[${this.name}] Axios Request`);
|
|
|
|
let res = await axios.request(options);
|
|
bean.msg = `${res.status} - ${res.statusText}`;
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
|
|
// Check certificate if https is used
|
|
let certInfoStartTime = dayjs().valueOf();
|
|
if (this.getUrl()?.protocol === "https:") {
|
|
log.debug("monitor", `[${this.name}] Check cert`);
|
|
try {
|
|
let tlsInfoObject = checkCertificate(res);
|
|
tlsInfo = await this.updateTlsInfo(tlsInfoObject);
|
|
|
|
if (!this.getIgnoreTls() && this.isEnabledExpiryNotification()) {
|
|
log.debug("monitor", `[${this.name}] call sendCertNotification`);
|
|
await this.sendCertNotification(tlsInfoObject);
|
|
}
|
|
|
|
} catch (e) {
|
|
if (e.message !== "No TLS certificate in response") {
|
|
log.error("monitor", "Caught error");
|
|
log.error("monitor", e.message);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (process.env.TIMELOGGER === "1") {
|
|
log.debug("monitor", "Cert Info Query Time: " + (dayjs().valueOf() - certInfoStartTime) + "ms");
|
|
}
|
|
|
|
if (process.env.UPTIME_KUMA_LOG_RESPONSE_BODY_MONITOR_ID === this.id) {
|
|
log.info("monitor", res.data);
|
|
}
|
|
|
|
if (this.type === "http") {
|
|
bean.status = UP;
|
|
} else {
|
|
|
|
let data = res.data;
|
|
|
|
// Convert to string for object/array
|
|
if (typeof data !== "string") {
|
|
data = JSON.stringify(data);
|
|
}
|
|
|
|
if (data.includes(this.keyword)) {
|
|
bean.msg += ", keyword is found";
|
|
bean.status = UP;
|
|
} else {
|
|
throw new Error(bean.msg + ", but keyword is not found");
|
|
}
|
|
|
|
}
|
|
|
|
} else if (this.type === "port") {
|
|
bean.ping = await tcping(this.hostname, this.port);
|
|
bean.msg = "";
|
|
bean.status = UP;
|
|
|
|
} else if (this.type === "ping") {
|
|
bean.ping = await ping(this.hostname);
|
|
bean.msg = "";
|
|
bean.status = UP;
|
|
} else if (this.type === "dns") {
|
|
let startTime = dayjs().valueOf();
|
|
let dnsMessage = "";
|
|
|
|
let dnsRes = await dnsResolve(this.hostname, this.dns_resolve_server, this.port, this.dns_resolve_type);
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
|
|
if (this.dns_resolve_type === "A" || this.dns_resolve_type === "AAAA" || this.dns_resolve_type === "TXT") {
|
|
dnsMessage += "Records: ";
|
|
dnsMessage += dnsRes.join(" | ");
|
|
} else if (this.dns_resolve_type === "CNAME" || this.dns_resolve_type === "PTR") {
|
|
dnsMessage = dnsRes[0];
|
|
} else if (this.dns_resolve_type === "CAA") {
|
|
dnsMessage = dnsRes[0].issue;
|
|
} else if (this.dns_resolve_type === "MX") {
|
|
dnsRes.forEach(record => {
|
|
dnsMessage += `Hostname: ${record.exchange} - Priority: ${record.priority} | `;
|
|
});
|
|
dnsMessage = dnsMessage.slice(0, -2);
|
|
} else if (this.dns_resolve_type === "NS") {
|
|
dnsMessage += "Servers: ";
|
|
dnsMessage += dnsRes.join(" | ");
|
|
} else if (this.dns_resolve_type === "SOA") {
|
|
dnsMessage += `NS-Name: ${dnsRes.nsname} | Hostmaster: ${dnsRes.hostmaster} | Serial: ${dnsRes.serial} | Refresh: ${dnsRes.refresh} | Retry: ${dnsRes.retry} | Expire: ${dnsRes.expire} | MinTTL: ${dnsRes.minttl}`;
|
|
} else if (this.dns_resolve_type === "SRV") {
|
|
dnsRes.forEach(record => {
|
|
dnsMessage += `Name: ${record.name} | Port: ${record.port} | Priority: ${record.priority} | Weight: ${record.weight} | `;
|
|
});
|
|
dnsMessage = dnsMessage.slice(0, -2);
|
|
}
|
|
|
|
if (this.dnsLastResult !== dnsMessage) {
|
|
R.exec("UPDATE `monitor` SET dns_last_result = ? WHERE id = ? ", [
|
|
dnsMessage,
|
|
this.id
|
|
]);
|
|
}
|
|
|
|
bean.msg = dnsMessage;
|
|
bean.status = UP;
|
|
} else if (this.type === "push") { // Type: Push
|
|
log.debug("monitor", `[${this.name}] Checking monitor at ${dayjs().format("YYYY-MM-DD HH:mm:ss.SSS")}`);
|
|
const bufferTime = 1000; // 1s buffer to accommodate clock differences
|
|
|
|
if (previousBeat) {
|
|
const msSinceLastBeat = dayjs.utc().valueOf() - dayjs.utc(previousBeat.time).valueOf();
|
|
|
|
log.debug("monitor", `[${this.name}] msSinceLastBeat = ${msSinceLastBeat}`);
|
|
|
|
// If the previous beat was down or pending we use the regular
|
|
// beatInterval/retryInterval in the setTimeout further below
|
|
if (previousBeat.status !== UP || msSinceLastBeat > beatInterval * 1000 + bufferTime) {
|
|
throw new Error("No heartbeat in the time window");
|
|
} else {
|
|
let timeout = beatInterval * 1000 - msSinceLastBeat;
|
|
if (timeout < 0) {
|
|
timeout = bufferTime;
|
|
} else {
|
|
timeout += bufferTime;
|
|
}
|
|
// No need to insert successful heartbeat for push type, so end here
|
|
retries = 0;
|
|
log.debug("monitor", `[${this.name}] timeout = ${timeout}`);
|
|
this.heartbeatInterval = setTimeout(beat, timeout);
|
|
return;
|
|
}
|
|
} else {
|
|
throw new Error("No heartbeat in the time window");
|
|
}
|
|
|
|
} else if (this.type === "steam") {
|
|
const steamApiUrl = "https://api.steampowered.com/IGameServersService/GetServerList/v1/";
|
|
const steamAPIKey = await setting("steamAPIKey");
|
|
const filter = `addr\\${this.hostname}:${this.port}`;
|
|
|
|
if (!steamAPIKey) {
|
|
throw new Error("Steam API Key not found");
|
|
}
|
|
|
|
let res = await axios.get(steamApiUrl, {
|
|
timeout: this.interval * 1000 * 0.8,
|
|
headers: {
|
|
"Accept": "*/*",
|
|
"User-Agent": "Uptime-Kuma/" + version,
|
|
},
|
|
httpsAgent: new https.Agent({
|
|
maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
|
|
rejectUnauthorized: !this.getIgnoreTls(),
|
|
}),
|
|
maxRedirects: this.maxredirects,
|
|
validateStatus: (status) => {
|
|
return checkStatusCode(status, this.getAcceptedStatuscodes());
|
|
},
|
|
params: {
|
|
filter: filter,
|
|
key: steamAPIKey,
|
|
}
|
|
});
|
|
|
|
if (res.data.response && res.data.response.servers && res.data.response.servers.length > 0) {
|
|
bean.status = UP;
|
|
bean.msg = res.data.response.servers[0].name;
|
|
|
|
try {
|
|
bean.ping = await ping(this.hostname);
|
|
} catch (_) { }
|
|
} else {
|
|
throw new Error("Server not found on Steam");
|
|
}
|
|
} else if (this.type === "mqtt") {
|
|
bean.msg = await mqttAsync(this.hostname, this.mqttTopic, this.mqttSuccessMessage, {
|
|
port: this.port,
|
|
username: this.mqttUsername,
|
|
password: this.mqttPassword,
|
|
interval: this.interval,
|
|
});
|
|
bean.status = UP;
|
|
} else {
|
|
bean.msg = "Unknown Monitor Type";
|
|
bean.status = PENDING;
|
|
}
|
|
|
|
if (this.isUpsideDown()) {
|
|
bean.status = flipStatus(bean.status);
|
|
|
|
if (bean.status === DOWN) {
|
|
throw new Error("Flip UP to DOWN");
|
|
}
|
|
}
|
|
|
|
retries = 0;
|
|
|
|
} catch (error) {
|
|
|
|
bean.msg = error.message;
|
|
|
|
// If UP come in here, it must be upside down mode
|
|
// Just reset the retries
|
|
if (this.isUpsideDown() && bean.status === UP) {
|
|
retries = 0;
|
|
|
|
} else if ((this.maxretries > 0) && (retries < this.maxretries)) {
|
|
retries++;
|
|
bean.status = PENDING;
|
|
}
|
|
}
|
|
|
|
log.debug("monitor", `[${this.name}] Check isImportant`);
|
|
let isImportant = Monitor.isImportantBeat(isFirstBeat, previousBeat?.status, bean.status);
|
|
|
|
// Mark as important if status changed, ignore pending pings,
|
|
// Don't notify if disrupted changes to up
|
|
if (isImportant) {
|
|
bean.important = true;
|
|
|
|
log.debug("monitor", `[${this.name}] sendNotification`);
|
|
await Monitor.sendNotification(isFirstBeat, this, bean);
|
|
|
|
// Clear Status Page Cache
|
|
log.debug("monitor", `[${this.name}] apicache clear`);
|
|
apicache.clear();
|
|
|
|
} else {
|
|
bean.important = false;
|
|
}
|
|
|
|
if (bean.status === UP) {
|
|
log.info("monitor", `Monitor #${this.id} '${this.name}': Successful Response: ${bean.ping} ms | Interval: ${beatInterval} seconds | Type: ${this.type}`);
|
|
} else if (bean.status === PENDING) {
|
|
if (this.retryInterval > 0) {
|
|
beatInterval = this.retryInterval;
|
|
}
|
|
log.warn("monitor", `Monitor #${this.id} '${this.name}': Pending: ${bean.msg} | Max retries: ${this.maxretries} | Retry: ${retries} | Retry Interval: ${beatInterval} seconds | Type: ${this.type}`);
|
|
} else {
|
|
log.warn("monitor", `Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Interval: ${beatInterval} seconds | Type: ${this.type}`);
|
|
}
|
|
|
|
log.debug("monitor", `[${this.name}] Send to socket`);
|
|
io.to(this.user_id).emit("heartbeat", bean.toJSON());
|
|
Monitor.sendStats(io, this.id, this.user_id);
|
|
|
|
log.debug("monitor", `[${this.name}] Store`);
|
|
await R.store(bean);
|
|
|
|
log.debug("monitor", `[${this.name}] prometheus.update`);
|
|
prometheus.update(bean, tlsInfo);
|
|
|
|
previousBeat = bean;
|
|
|
|
if (! this.isStop) {
|
|
log.debug("monitor", `[${this.name}] SetTimeout for next check.`);
|
|
this.heartbeatInterval = setTimeout(safeBeat, beatInterval * 1000);
|
|
} else {
|
|
log.info("monitor", `[${this.name}] isStop = true, no next check.`);
|
|
}
|
|
|
|
};
|
|
|
|
/** Get a heartbeat and handle errors */
|
|
const safeBeat = async () => {
|
|
try {
|
|
await beat();
|
|
} catch (e) {
|
|
console.trace(e);
|
|
UptimeKumaServer.errorLog(e, false);
|
|
log.error("monitor", "Please report to https://github.com/louislam/uptime-kuma/issues");
|
|
|
|
if (! this.isStop) {
|
|
log.info("monitor", "Try to restart the monitor");
|
|
this.heartbeatInterval = setTimeout(safeBeat, this.interval * 1000);
|
|
}
|
|
}
|
|
};
|
|
|
|
// Delay Push Type
|
|
if (this.type === "push") {
|
|
setTimeout(() => {
|
|
safeBeat();
|
|
}, this.interval * 1000);
|
|
} else {
|
|
safeBeat();
|
|
}
|
|
}
|
|
|
|
/** Stop monitor */
|
|
stop() {
|
|
clearTimeout(this.heartbeatInterval);
|
|
this.isStop = true;
|
|
|
|
this.prometheus().remove();
|
|
}
|
|
|
|
/**
|
|
* Get a new prometheus instance
|
|
* @returns {Prometheus}
|
|
*/
|
|
prometheus() {
|
|
return new Prometheus(this);
|
|
}
|
|
|
|
/**
|
|
* Helper Method:
|
|
* returns URL object for further usage
|
|
* returns null if url is invalid
|
|
* @returns {(null|URL)}
|
|
*/
|
|
getUrl() {
|
|
try {
|
|
return new URL(this.url);
|
|
} catch (_) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store TLS info to database
|
|
* @param checkCertificateResult
|
|
* @returns {Promise<Object>}
|
|
*/
|
|
async updateTlsInfo(checkCertificateResult) {
|
|
let tlsInfoBean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
|
|
this.id,
|
|
]);
|
|
|
|
if (tlsInfoBean == null) {
|
|
tlsInfoBean = R.dispense("monitor_tls_info");
|
|
tlsInfoBean.monitor_id = this.id;
|
|
} else {
|
|
|
|
// Clear sent history if the cert changed.
|
|
try {
|
|
let oldCertInfo = JSON.parse(tlsInfoBean.info_json);
|
|
|
|
let isValidObjects = oldCertInfo && oldCertInfo.certInfo && checkCertificateResult && checkCertificateResult.certInfo;
|
|
|
|
if (isValidObjects) {
|
|
if (oldCertInfo.certInfo.fingerprint256 !== checkCertificateResult.certInfo.fingerprint256) {
|
|
log.debug("monitor", "Resetting sent_history");
|
|
await R.exec("DELETE FROM notification_sent_history WHERE type = 'certificate' AND monitor_id = ?", [
|
|
this.id
|
|
]);
|
|
} else {
|
|
log.debug("monitor", "No need to reset sent_history");
|
|
log.debug("monitor", oldCertInfo.certInfo.fingerprint256);
|
|
log.debug("monitor", checkCertificateResult.certInfo.fingerprint256);
|
|
}
|
|
} else {
|
|
log.debug("monitor", "Not valid object");
|
|
}
|
|
} catch (e) { }
|
|
|
|
}
|
|
|
|
tlsInfoBean.info_json = JSON.stringify(checkCertificateResult);
|
|
await R.store(tlsInfoBean);
|
|
|
|
return checkCertificateResult;
|
|
}
|
|
|
|
/**
|
|
* Send statistics to clients
|
|
* @param {Server} io Socket server instance
|
|
* @param {number} monitorID ID of monitor to send
|
|
* @param {number} userID ID of user to send to
|
|
*/
|
|
static async sendStats(io, monitorID, userID) {
|
|
const hasClients = getTotalClientInRoom(io, userID) > 0;
|
|
|
|
if (hasClients) {
|
|
await Monitor.sendAvgPing(24, io, monitorID, userID);
|
|
await Monitor.sendUptime(24, io, monitorID, userID);
|
|
await Monitor.sendUptime(24 * 30, io, monitorID, userID);
|
|
await Monitor.sendCertInfo(io, monitorID, userID);
|
|
} else {
|
|
log.debug("monitor", "No clients in the room, no need to send stats");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send the average ping to user
|
|
* @param {number} duration Hours
|
|
*/
|
|
static async sendAvgPing(duration, io, monitorID, userID) {
|
|
const timeLogger = new TimeLogger();
|
|
|
|
let avgPing = parseInt(await R.getCell(`
|
|
SELECT AVG(ping)
|
|
FROM heartbeat
|
|
WHERE time > DATETIME('now', ? || ' hours')
|
|
AND ping IS NOT NULL
|
|
AND monitor_id = ? `, [
|
|
-duration,
|
|
monitorID,
|
|
]));
|
|
|
|
timeLogger.print(`[Monitor: ${monitorID}] avgPing`);
|
|
|
|
io.to(userID).emit("avgPing", monitorID, avgPing);
|
|
}
|
|
|
|
/**
|
|
* Send certificate information to client
|
|
* @param {Server} io Socket server instance
|
|
* @param {number} monitorID ID of monitor to send
|
|
* @param {number} userID ID of user to send to
|
|
*/
|
|
static async sendCertInfo(io, monitorID, userID) {
|
|
let tlsInfo = await R.findOne("monitor_tls_info", "monitor_id = ?", [
|
|
monitorID,
|
|
]);
|
|
if (tlsInfo != null) {
|
|
io.to(userID).emit("certInfo", monitorID, tlsInfo.info_json);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Uptime with calculation
|
|
* Calculation based on:
|
|
* https://www.uptrends.com/support/kb/reporting/calculation-of-uptime-and-downtime
|
|
* @param {number} duration Hours
|
|
* @param {number} monitorID ID of monitor to calculate
|
|
*/
|
|
static async calcUptime(duration, monitorID) {
|
|
const timeLogger = new TimeLogger();
|
|
|
|
const startTime = R.isoDateTime(dayjs.utc().subtract(duration, "hour"));
|
|
|
|
// Handle if heartbeat duration longer than the target duration
|
|
// e.g. If the last beat's duration is bigger that the 24hrs window, it will use the duration between the (beat time - window margin) (THEN case in SQL)
|
|
let result = await R.getRow(`
|
|
SELECT
|
|
-- SUM all duration, also trim off the beat out of time window
|
|
SUM(
|
|
CASE
|
|
WHEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400 < duration
|
|
THEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400
|
|
ELSE duration
|
|
END
|
|
) AS total_duration,
|
|
|
|
-- SUM all uptime duration, also trim off the beat out of time window
|
|
SUM(
|
|
CASE
|
|
WHEN (status = 1)
|
|
THEN
|
|
CASE
|
|
WHEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400 < duration
|
|
THEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400
|
|
ELSE duration
|
|
END
|
|
END
|
|
) AS uptime_duration
|
|
FROM heartbeat
|
|
WHERE time > ?
|
|
AND monitor_id = ?
|
|
`, [
|
|
startTime, startTime, startTime, startTime, startTime,
|
|
monitorID,
|
|
]);
|
|
|
|
timeLogger.print(`[Monitor: ${monitorID}][${duration}] sendUptime`);
|
|
|
|
let totalDuration = result.total_duration;
|
|
let uptimeDuration = result.uptime_duration;
|
|
let uptime = 0;
|
|
|
|
if (totalDuration > 0) {
|
|
uptime = uptimeDuration / totalDuration;
|
|
if (uptime < 0) {
|
|
uptime = 0;
|
|
}
|
|
|
|
} else {
|
|
// Handle new monitor with only one beat, because the beat's duration = 0
|
|
let status = parseInt(await R.getCell("SELECT `status` FROM heartbeat WHERE monitor_id = ?", [ monitorID ]));
|
|
|
|
if (status === UP) {
|
|
uptime = 1;
|
|
}
|
|
}
|
|
|
|
return uptime;
|
|
}
|
|
|
|
/**
|
|
* Send Uptime
|
|
* @param {number} duration Hours
|
|
* @param {Server} io Socket server instance
|
|
* @param {number} monitorID ID of monitor to send
|
|
* @param {number} userID ID of user to send to
|
|
*/
|
|
static async sendUptime(duration, io, monitorID, userID) {
|
|
const uptime = await this.calcUptime(duration, monitorID);
|
|
io.to(userID).emit("uptime", monitorID, duration, uptime);
|
|
}
|
|
|
|
/**
|
|
* Has status of monitor changed since last beat?
|
|
* @param {boolean} isFirstBeat Is this the first beat of this monitor?
|
|
* @param {const} previousBeatStatus Status of the previous beat
|
|
* @param {const} currentBeatStatus Status of the current beat
|
|
* @returns {boolean} True if is an important beat else false
|
|
*/
|
|
static isImportantBeat(isFirstBeat, previousBeatStatus, currentBeatStatus) {
|
|
// * ? -> ANY STATUS = important [isFirstBeat]
|
|
// UP -> PENDING = not important
|
|
// * UP -> DOWN = important
|
|
// UP -> UP = not important
|
|
// PENDING -> PENDING = not important
|
|
// * PENDING -> DOWN = important
|
|
// PENDING -> UP = not important
|
|
// DOWN -> PENDING = this case not exists
|
|
// DOWN -> DOWN = not important
|
|
// * DOWN -> UP = important
|
|
let isImportant = isFirstBeat ||
|
|
(previousBeatStatus === UP && currentBeatStatus === DOWN) ||
|
|
(previousBeatStatus === DOWN && currentBeatStatus === UP) ||
|
|
(previousBeatStatus === PENDING && currentBeatStatus === DOWN);
|
|
return isImportant;
|
|
}
|
|
|
|
/**
|
|
* Send a notification about a monitor
|
|
* @param {boolean} isFirstBeat Is this beat the first of this monitor?
|
|
* @param {Monitor} monitor The monitor to send a notificaton about
|
|
* @param {Bean} bean Status information about monitor
|
|
*/
|
|
static async sendNotification(isFirstBeat, monitor, bean) {
|
|
if (!isFirstBeat || bean.status === DOWN) {
|
|
const notificationList = await Monitor.getNotificationList(monitor);
|
|
|
|
let text;
|
|
if (bean.status === UP) {
|
|
text = "✅ Up";
|
|
} else {
|
|
text = "🔴 Down";
|
|
}
|
|
|
|
let msg = `[${monitor.name}] [${text}] ${bean.msg}`;
|
|
|
|
for (let notification of notificationList) {
|
|
try {
|
|
await Notification.send(JSON.parse(notification.config), msg, await monitor.toJSON(false), bean.toJSON());
|
|
} catch (e) {
|
|
log.error("monitor", "Cannot send notification to " + notification.name);
|
|
log.error("monitor", e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get list of notification providers for a given monitor
|
|
* @param {Monitor} monitor Monitor to get notification providers for
|
|
* @returns {Promise<LooseObject<any>[]>}
|
|
*/
|
|
static async getNotificationList(monitor) {
|
|
let notificationList = await R.getAll("SELECT notification.* FROM notification, monitor_notification WHERE monitor_id = ? AND monitor_notification.notification_id = notification.id ", [
|
|
monitor.id,
|
|
]);
|
|
return notificationList;
|
|
}
|
|
|
|
/**
|
|
* Send notification about a certificate
|
|
* @param {Object} tlsInfoObject Information about certificate
|
|
*/
|
|
async sendCertNotification(tlsInfoObject) {
|
|
if (tlsInfoObject && tlsInfoObject.certInfo && tlsInfoObject.certInfo.daysRemaining) {
|
|
const notificationList = await Monitor.getNotificationList(this);
|
|
|
|
log.debug("monitor", "call sendCertNotificationByTargetDays");
|
|
await this.sendCertNotificationByTargetDays(tlsInfoObject.certInfo.daysRemaining, 21, notificationList);
|
|
await this.sendCertNotificationByTargetDays(tlsInfoObject.certInfo.daysRemaining, 14, notificationList);
|
|
await this.sendCertNotificationByTargetDays(tlsInfoObject.certInfo.daysRemaining, 7, notificationList);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a certificate notification when certificate expires in less
|
|
* than target days
|
|
* @param {number} daysRemaining Number of days remaining on certifcate
|
|
* @param {number} targetDays Number of days to alert after
|
|
* @param {LooseObject<any>[]} notificationList List of notification providers
|
|
* @returns {Promise<void>}
|
|
*/
|
|
async sendCertNotificationByTargetDays(daysRemaining, targetDays, notificationList) {
|
|
|
|
if (daysRemaining > targetDays) {
|
|
log.debug("monitor", `No need to send cert notification. ${daysRemaining} > ${targetDays}`);
|
|
return;
|
|
}
|
|
|
|
if (notificationList.length > 0) {
|
|
|
|
let row = await R.getRow("SELECT * FROM notification_sent_history WHERE type = ? AND monitor_id = ? AND days = ?", [
|
|
"certificate",
|
|
this.id,
|
|
targetDays,
|
|
]);
|
|
|
|
// Sent already, no need to send again
|
|
if (row) {
|
|
log.debug("monitor", "Sent already, no need to send again");
|
|
return;
|
|
}
|
|
|
|
let sent = false;
|
|
log.debug("monitor", "Send certificate notification");
|
|
|
|
for (let notification of notificationList) {
|
|
try {
|
|
log.debug("monitor", "Sending to " + notification.name);
|
|
await Notification.send(JSON.parse(notification.config), `[${this.name}][${this.url}] Certificate will be expired in ${daysRemaining} days`);
|
|
sent = true;
|
|
} catch (e) {
|
|
log.error("monitor", "Cannot send cert notification to " + notification.name);
|
|
log.error("monitor", e);
|
|
}
|
|
}
|
|
|
|
if (sent) {
|
|
await R.exec("INSERT INTO notification_sent_history (type, monitor_id, days) VALUES(?, ?, ?)", [
|
|
"certificate",
|
|
this.id,
|
|
targetDays,
|
|
]);
|
|
}
|
|
} else {
|
|
log.debug("monitor", "No notification, no need to send cert notification");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the status of the previous heartbeat
|
|
* @param {number} monitorID ID of monitor to check
|
|
* @returns {Promise<LooseObject<any>>}
|
|
*/
|
|
static async getPreviousHeartbeat(monitorID) {
|
|
return await R.getRow(`
|
|
SELECT status, time FROM heartbeat
|
|
WHERE id = (select MAX(id) from heartbeat where monitor_id = ?)
|
|
`, [
|
|
monitorID
|
|
]);
|
|
}
|
|
}
|
|
|
|
module.exports = Monitor;
|