戈mprove the readibility of important condition

This commit is contained in:
LouisLam 2021-07-24 11:42:14 +08:00
parent 3cc4955cad
commit d556509d07
2 changed files with 37 additions and 12 deletions

View File

@ -5,6 +5,7 @@ var timezone = require('dayjs/plugin/timezone')
dayjs.extend(utc)
dayjs.extend(timezone)
const axios = require("axios");
const {UP, DOWN, PENDING} = require("../util");
const {tcping, ping} = require("../util-server");
const {R} = require("redbean-node");
const {BeanModel} = require("redbean-node/dist/bean-model");
@ -49,19 +50,22 @@ class Monitor extends BeanModel {
let retries = 0;
const beat = async () => {
if (! previousBeat) {
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.isoDateTime(dayjs.utc());
bean.status = 0;
bean.status = DOWN;
// Duration
if (previousBeat) {
if (! isFirstBeat) {
bean.duration = dayjs(bean.time).diff(dayjs(previousBeat.time), 'second');
} else {
bean.duration = 0;
@ -77,7 +81,7 @@ class Monitor extends BeanModel {
bean.ping = dayjs().valueOf() - startTime;
if (this.type === "http") {
bean.status = 1;
bean.status = UP;
} else {
let data = res.data;
@ -89,7 +93,7 @@ class Monitor extends BeanModel {
if (data.includes(this.keyword)) {
bean.msg += ", keyword is found"
bean.status = 1;
bean.status = UP;
} else {
throw new Error(bean.msg + ", but keyword is not found")
}
@ -100,12 +104,12 @@ class Monitor extends BeanModel {
} else if (this.type === "port") {
bean.ping = await tcping(this.hostname, this.port);
bean.msg = ""
bean.status = 1;
bean.status = UP;
} else if (this.type === "ping") {
bean.ping = await ping(this.hostname);
bean.msg = ""
bean.status = 1;
bean.status = UP;
}
retries = 0;
@ -113,24 +117,39 @@ class Monitor extends BeanModel {
} catch (error) {
if ((this.maxretries > 0) && (retries < this.maxretries)) {
retries++;
bean.status = 2;
bean.status = PENDING;
}
bean.msg = error.message;
}
// * ? -> 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 ||
(previousBeat.status === UP && bean.status === DOWN) ||
(previousBeat.status === DOWN && bean.status === UP) ||
(previousBeat.status === PENDING && bean.status === DOWN);
// Mark as important if status changed, ignore pending pings,
// Don't notify if disrupted changes to up
if ((!previousBeat) || ((previousBeat.status !== bean.status) && bean.status !== 2 && !(previousBeat.status === 2 && bean.status !== 0))) {
if (isImportant) {
bean.important = true;
// Do not send if first beat is UP
if (previousBeat || bean.status !== 1) {
// Send only if the first beat is DOWN
if (!isFirstBeat || bean.status === DOWN) {
let notificationList = await R.getAll(`SELECT notification.* FROM notification, monitor_notification WHERE monitor_id = ? AND monitor_notification.notification_id = notification.id `, [
this.id
])
let text;
if (bean.status === 1) {
if (bean.status === UP) {
text = "✅ Up"
} else {
text = "🔴 Down"
@ -151,8 +170,10 @@ class Monitor extends BeanModel {
bean.important = false;
}
if (bean.status === 1) {
if (bean.status === UP) {
console.info(`Monitor #${this.id} '${this.name}': Successful Response: ${bean.ping} ms | Interval: ${this.interval} seconds | Type: ${this.type}`)
} else if (bean.status === PENDING) {
console.warn(`Monitor #${this.id} '${this.name}': Pending: ${bean.msg} | Type: ${this.type}`)
} else {
console.warn(`Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Type: ${this.type}`)
}

View File

@ -1,6 +1,10 @@
// Common JS cannot be used in frontend sadly
// sleep, ucfirst is duplicated in ../src/util-frontend.js
exports.DOWN = 0;
exports.UP = 1;
exports.PENDING = 2;
exports.sleep = function (ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}